分辨率/码率，光学变倍/数字变倍，宽动态/背光补偿……这些参数配置有什么区别？ ...
<section style="display:none;" data-tools="新媒体管家" data-label="powered by xmt.cn"><br></section><section style="font-size: 15px;color: rgb(113, 112, 113);letter-spacing: 1.2px;line-height: 1.9;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;background-image: linear-gradient(to right, rgb(60, 191, 255) 0%, rgb(72, 118, 255) 50%, rgb(153, 53, 255) 100%);padding-top: 20px;padding-bottom: 15px;box-sizing: border-box;"><section style="text-align: center;justify-content: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: auto;vertical-align: top;min-width: 10%;max-width: 100%;height: auto;box-sizing: border-box;"><section style="text-align: right;justify-content: flex-end;transform: translate3d(1px, 0px, 0px);margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;font-size: 30px;color: rgb(255, 79, 79);line-height: 1;letter-spacing: 4px;padding-right: 30px;padding-left: 30px;box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="color: transparent;background-image: radial-gradient(circle at 10% 90%, rgb(255, 238, 103) 0%, rgb(255, 239, 103) 10%, rgb(255, 255, 255) 10%, rgb(255, 255, 255) 50%, rgba(255, 255, 255, 0.2) 100%);-webkit-background-clip: text;box-sizing: border-box;"><strong style="box-sizing: border-box;">安防小知识科普</strong></span></p></section></section><section style="margin: 8px 0% 5px;box-sizing: border-box;" powered-by="xiumi.us"><section style="background-image: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgb(255, 255, 255) 30%, rgb(255, 255, 255) 70%, rgba(255, 255, 255, 0) 100%);height: 1px;box-sizing: border-box;line-height: 0;"><br></section></section><section style="color: rgb(255, 247, 245);font-size: 11px;letter-spacing: 9px;line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">海康小课堂</p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;text-align: center;">分辨率、码率<br></p><p style="white-space: normal;box-sizing: border-box;text-align: center;">定码率、变码率<br></p><p style="white-space: normal;box-sizing: border-box;text-align: center;">光学变倍、数字变倍</p><p style="white-space: normal;box-sizing: border-box;text-align: center;">背光补偿、宽动态、强光抑制<br></p><p style="white-space: normal;box-sizing: border-box;text-align: center;">……<br></p><p style="white-space: normal;box-sizing: border-box;text-align: center;">这些参数配置你都知道是什么意思吗？<br></p><p style="white-space: normal;box-sizing: border-box;text-align: center;">2021年第一堂课</p><p style="white-space: normal;box-sizing: border-box;text-align: center;">康康给大家详细讲讲这些容易让我们混淆的配置</p><p style="white-space: normal;box-sizing: border-box;text-align: center;">快来学习！<br></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;background-image: linear-gradient(0deg, rgb(135, 69, 255) 0%, rgb(74, 179, 255) 100%);border-right: 1px solid rgba(255, 255, 255, 0.11);border-top-right-radius: 0px;box-sizing: border-box;"><section style="margin: 6px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 18px;color: rgb(244, 244, 244);padding-right: 10px;padding-left: 10px;line-height: 1.3;letter-spacing: 0px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">一</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 5px;align-self: stretch;flex: 0 0 auto;height: auto;background-image: linear-gradient(335deg, rgba(135, 69, 255, 0) 0%, rgba(135, 69, 255, 0) 2.5px, rgb(135, 69, 255) 2.5px, rgb(74, 179, 255) 100%);margin-top: 5px;box-sizing: border-box;"><section style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;height: 5px;vertical-align: top;overflow: hidden;background-image: linear-gradient(205deg, rgba(74, 179, 255, 0) 2.5px, rgb(74, 179, 255) 2.5px);box-sizing: border-box;line-height: 0;"><br></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 100 100 0%;margin-top: 3px;margin-bottom: 3px;background-image: linear-gradient(to right, rgb(244, 238, 255) 0%, rgb(245, 251, 255) 100%);box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 17px;color: rgb(34, 82, 237);padding-right: 12px;padding-left: 12px;letter-spacing: 0.6px;line-height: 2;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">分辨率和码率的关系</strong></p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(29, 50, 239);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;">分辨率</span></strong></span>：是图像精细程度的度量方法，指单位长度内包含像素点的数量。录像编码分辨率与IP设备有关。</p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(29, 50, 239);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;">码率</span></strong></span>：将图像压缩后形成的数据，单位是kbps。</p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">常见的分辨率与码率的关系：</p></section><section style="text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><span style="box-sizing: border-box;"><span style="letter-spacing: 1.2px;color: rgb(215, 0, 15);box-sizing: border-box;">注：<span style="letter-spacing: 1.2px;color: rgb(113, 112, 113);box-sizing: border-box;">上表仅供参考，</span></span><span style="letter-spacing: 1.2px;box-sizing: border-box;">smart264\smart265是海康独有的编码方式，需要后端支持对应方式解码。</span></span><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">如果码率过低，会影响画面清晰度，大家可以看下下面两张对比图效果：</p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="text-align: center;font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">分辨率1080P，匹配的码率上限效果</p></section><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(207, 207, 207);box-sizing: border-box;line-height: 0;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="text-align: center;font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">码率过低，画面出现马赛克</p></section><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(207, 207, 207);box-sizing: border-box;line-height: 0;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;background-image: linear-gradient(0deg, rgb(135, 69, 255) 0%, rgb(74, 179, 255) 100%);border-right: 1px solid rgba(255, 255, 255, 0.11);border-top-right-radius: 0px;box-sizing: border-box;"><section style="margin: 6px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 18px;color: rgb(244, 244, 244);padding-right: 10px;padding-left: 10px;line-height: 1.3;letter-spacing: 0px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">二</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 5px;align-self: stretch;flex: 0 0 auto;height: auto;background-image: linear-gradient(335deg, rgba(135, 69, 255, 0) 0%, rgba(135, 69, 255, 0) 2.5px, rgb(135, 69, 255) 2.5px, rgb(74, 179, 255) 100%);margin-top: 5px;box-sizing: border-box;"><section style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;height: 5px;vertical-align: top;overflow: hidden;background-image: linear-gradient(205deg, rgba(74, 179, 255, 0) 2.5px, rgb(74, 179, 255) 2.5px);box-sizing: border-box;line-height: 0;"><br></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 100 100 0%;margin-top: 3px;margin-bottom: 3px;background-image: linear-gradient(to right, rgb(244, 238, 255) 0%, rgb(245, 251, 255) 100%);box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 17px;color: rgb(34, 82, 237);padding-right: 12px;padding-left: 12px;letter-spacing: 0.6px;line-height: 2;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">变码率与定码率的区别</strong></p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">在设备的配置中，码率类型可设置为<span style="font-size: 16px;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(29, 50, 239);box-sizing: border-box;">变码率</span></strong></span>或者<strong style="box-sizing: border-box;"><span style="font-size: 16px;color: rgb(29, 50, 239);box-sizing: border-box;">定码率</span></strong>。</p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;color: rgb(29, 50, 239);box-sizing: border-box;">定码率</span></strong>：<span style="letter-spacing: 1.2px;box-sizing: border-box;">视频码率在设定值附近相对固定，不会大范围波动，在分辨率与码率匹配的情况下，可以保证较好的成像效果，推荐使用。</span></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><span style="color: rgb(29, 50, 239);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;">变码率</span></strong></span>：视频码率在设定值以下根据环境复杂度波动，相对节省存储空间，但在环境有较大变化的情况下，可能会有马赛克。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;background-image: linear-gradient(0deg, rgb(135, 69, 255) 0%, rgb(74, 179, 255) 100%);border-right: 1px solid rgba(255, 255, 255, 0.11);border-top-right-radius: 0px;box-sizing: border-box;"><section style="margin: 6px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 18px;color: rgb(244, 244, 244);padding-right: 10px;padding-left: 10px;line-height: 1.3;letter-spacing: 0px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">三</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 5px;align-self: stretch;flex: 0 0 auto;height: auto;background-image: linear-gradient(335deg, rgba(135, 69, 255, 0) 0%, rgba(135, 69, 255, 0) 2.5px, rgb(135, 69, 255) 2.5px, rgb(74, 179, 255) 100%);margin-top: 5px;box-sizing: border-box;"><section style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;height: 5px;vertical-align: top;overflow: hidden;background-image: linear-gradient(205deg, rgba(74, 179, 255, 0) 2.5px, rgb(74, 179, 255) 2.5px);box-sizing: border-box;line-height: 0;"><br></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 100 100 0%;margin-top: 3px;margin-bottom: 3px;background-image: linear-gradient(to right, rgb(244, 238, 255) 0%, rgb(245, 251, 255) 100%);box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 17px;color: rgb(34, 82, 237);padding-right: 12px;padding-left: 12px;letter-spacing: 0.6px;line-height: 2;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">光学变倍和数字变倍的区别</strong></p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(29, 50, 239);font-size: 16px;box-sizing: border-box;">变倍</span></strong>分为<span style="color: rgb(29, 50, 239);box-sizing: border-box;">光学变倍</span>和<span style="color: rgb(29, 50, 239);box-sizing: border-box;">数字变倍。</span></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(29, 50, 239);box-sizing: border-box;">光学变倍</span></strong>：焦距变大，变倍的同时像素总数不变，图像清晰度不会下降，看得更远 。<br style="box-sizing: border-box;"> <br style="box-sizing: border-box;"></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;color: rgb(29, 50, 239);box-sizing: border-box;">数字变倍</span></strong>：焦距不变，变倍的同时像素总数减少，图像清晰度下降，只是电子放大。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">下面我们通过图片来看下对应效果及区别吧：</strong></p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="text-align: center;font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">原始图像</p></section><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(207, 207, 207);box-sizing: border-box;line-height: 0;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="text-align: center;font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">光学变倍效果</p></section><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(207, 207, 207);box-sizing: border-box;line-height: 0;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="text-align: center;font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">数字变倍（电子放大）效果</p></section><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(207, 207, 207);box-sizing: border-box;line-height: 0;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;background-image: linear-gradient(0deg, rgb(135, 69, 255) 0%, rgb(74, 179, 255) 100%);border-right: 1px solid rgba(255, 255, 255, 0.11);border-top-right-radius: 0px;box-sizing: border-box;"><section style="margin: 6px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 18px;color: rgb(244, 244, 244);padding-right: 10px;padding-left: 10px;line-height: 1.3;letter-spacing: 0px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">四</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 5px;align-self: stretch;flex: 0 0 auto;height: auto;background-image: linear-gradient(335deg, rgba(135, 69, 255, 0) 0%, rgba(135, 69, 255, 0) 2.5px, rgb(135, 69, 255) 2.5px, rgb(74, 179, 255) 100%);margin-top: 5px;box-sizing: border-box;"><section style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;height: 5px;vertical-align: top;overflow: hidden;background-image: linear-gradient(205deg, rgba(74, 179, 255, 0) 2.5px, rgb(74, 179, 255) 2.5px);box-sizing: border-box;line-height: 0;"><br></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 100 100 0%;margin-top: 3px;margin-bottom: 3px;background-image: linear-gradient(to right, rgb(244, 238, 255) 0%, rgb(245, 251, 255) 100%);box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 17px;color: rgb(34, 82, 237);padding-right: 12px;padding-left: 12px;letter-spacing: 0.6px;line-height: 2;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">帧率与I帧间隔</strong></p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(29, 50, 239);font-size: 16px;box-sizing: border-box;">帧率</span></strong>：指每秒的视频帧数，用于测量显示帧数的量度，单位为fps。视频帧率与IP 设备有关。降低帧率会导致画面卡顿，一般以默认设置即可，不建议做改动。</p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><span style="color: rgb(29, 50, 239);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;">I 帧间隔</span></strong></span>：前后两个关键帧之间的帧数。较大或较小是都可能影响图像质量，建议默认即可。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;background-image: linear-gradient(0deg, rgb(135, 69, 255) 0%, rgb(74, 179, 255) 100%);border-right: 1px solid rgba(255, 255, 255, 0.11);border-top-right-radius: 0px;box-sizing: border-box;"><section style="margin: 6px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 18px;color: rgb(244, 244, 244);padding-right: 10px;padding-left: 10px;line-height: 1.3;letter-spacing: 0px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">五</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 5px;align-self: stretch;flex: 0 0 auto;height: auto;background-image: linear-gradient(335deg, rgba(135, 69, 255, 0) 0%, rgba(135, 69, 255, 0) 2.5px, rgb(135, 69, 255) 2.5px, rgb(74, 179, 255) 100%);margin-top: 5px;box-sizing: border-box;"><section style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;height: 5px;vertical-align: top;overflow: hidden;background-image: linear-gradient(205deg, rgba(74, 179, 255, 0) 2.5px, rgb(74, 179, 255) 2.5px);box-sizing: border-box;line-height: 0;"><br></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 100 100 0%;margin-top: 3px;margin-bottom: 3px;background-image: linear-gradient(to right, rgb(244, 238, 255) 0%, rgb(245, 251, 255) 100%);box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 17px;color: rgb(34, 82, 237);padding-right: 12px;padding-left: 12px;letter-spacing: 0.6px;line-height: 2;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">镜像与旋转功能</strong></p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(29, 50, 239);font-size: 16px;box-sizing: border-box;">镜像</span></strong>：实现图像的上下/左右/中心翻转，其中中心翻转是指上下翻转的同时又实现左右的翻转。</p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="text-align: center;white-space: normal;box-sizing: border-box;">镜像的几种效果</p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;color: rgb(29, 50, 239);box-sizing: border-box;">旋转</span></strong>：即<span style="color: rgb(29, 50, 239);box-sizing: border-box;">走廊模式</span>，适用于走廊通道等垂直方向上狭长的场景，使用时需要摄像机需要旋转90度安装。主要用在室内支持三轴调节的半球上。</p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="text-align: center;font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">原始图像</p></section><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(207, 207, 207);box-sizing: border-box;line-height: 0;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 65%;height: auto;box-sizing: border-box;"></section></section><section style="text-align: center;font-size: 12px;box-sizing: border-box;" powered-by="xiumi.us"><p style="box-sizing: border-box;">走廊模式图像</p></section><section style="margin-top: 0.5em;margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(207, 207, 207);box-sizing: border-box;line-height: 0;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;background-image: linear-gradient(0deg, rgb(135, 69, 255) 0%, rgb(74, 179, 255) 100%);border-right: 1px solid rgba(255, 255, 255, 0.11);border-top-right-radius: 0px;box-sizing: border-box;"><section style="margin: 6px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 18px;color: rgb(244, 244, 244);padding-right: 10px;padding-left: 10px;line-height: 1.3;letter-spacing: 0px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">六</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 5px;align-self: stretch;flex: 0 0 auto;height: auto;background-image: linear-gradient(335deg, rgba(135, 69, 255, 0) 0%, rgba(135, 69, 255, 0) 2.5px, rgb(135, 69, 255) 2.5px, rgb(74, 179, 255) 100%);margin-top: 5px;box-sizing: border-box;"><section style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;height: 5px;vertical-align: top;overflow: hidden;background-image: linear-gradient(205deg, rgba(74, 179, 255, 0) 2.5px, rgb(74, 179, 255) 2.5px);box-sizing: border-box;line-height: 0;"><br></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 100 100 0%;margin-top: 3px;margin-bottom: 3px;background-image: linear-gradient(to right, rgb(244, 238, 255) 0%, rgb(245, 251, 255) 100%);box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 17px;color: rgb(34, 82, 237);padding-right: 12px;padding-left: 12px;letter-spacing: 0.6px;line-height: 2;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">背光补偿/宽动态/强光抑制</strong></p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;color: rgb(29, 50, 239);box-sizing: border-box;">背光补偿</span></strong>：在背光场景下可以设置一个区域作为标准，让摄像机进行曝光调节输出合适的图像。<span style="letter-spacing: 1.2px;color: rgb(29, 50, 239);box-sizing: border-box;">背光补偿往往针对目标图像的特定区域有效。</span></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><br></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;">注意</span>：因为亮度是整个画面同时提升，提升后，可能出现前景亮度合适，背景亮度却过曝的情况。宽动态技术比背光补偿更为有效的方案，不局限于目标图像的特定区域。</p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;color: rgb(29, 50, 239);box-sizing: border-box;">宽动态</span></strong>：宽动态的适用场景和背光补偿其实是相同的，不过宽动态能够使图像兼顾原先图像中亮和暗的部分。<span style="color: rgb(29, 50, 239);box-sizing: border-box;">宽动态可获得比背光补偿技术更加清新、艳丽的图像。</span></p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(29, 50, 239);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;">强光抑制</span></strong></span>：强光抑制主要使用在道路监控的车牌捕获过程中，夜晚车辆前灯开启，强光导致车牌部分无法看清，开启此功能，可以对强光点进行适当抑制，使其它区域获得一定的补偿以获得更清晰的图像。该功能最常用于夜间看清车牌号。</p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;display: flex;flex-flow: row nowrap;margin: 10px 0%;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;width: auto;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: stretch;background-image: linear-gradient(0deg, rgb(135, 69, 255) 0%, rgb(74, 179, 255) 100%);border-right: 1px solid rgba(255, 255, 255, 0.11);border-top-right-radius: 0px;box-sizing: border-box;"><section style="margin: 6px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 18px;color: rgb(244, 244, 244);padding-right: 10px;padding-left: 10px;line-height: 1.3;letter-spacing: 0px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">七</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 5px;align-self: stretch;flex: 0 0 auto;height: auto;background-image: linear-gradient(335deg, rgba(135, 69, 255, 0) 0%, rgba(135, 69, 255, 0) 2.5px, rgb(135, 69, 255) 2.5px, rgb(74, 179, 255) 100%);margin-top: 5px;box-sizing: border-box;"><section style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;height: 5px;vertical-align: top;overflow: hidden;background-image: linear-gradient(205deg, rgba(74, 179, 255, 0) 2.5px, rgb(74, 179, 255) 2.5px);box-sizing: border-box;line-height: 0;"><br></section></section></section><section style="display: inline-block;vertical-align: top;width: auto;align-self: stretch;flex: 100 100 0%;margin-top: 3px;margin-bottom: 3px;background-image: linear-gradient(to right, rgb(244, 238, 255) 0%, rgb(245, 251, 255) 100%);box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 17px;color: rgb(34, 82, 237);padding-right: 12px;padding-left: 12px;letter-spacing: 0.6px;line-height: 2;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">防水等级</strong></p></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 16px;color: rgb(29, 50, 239);box-sizing: border-box;">IP防水等级</span></strong>是有两个数字组成，<span style="color: rgb(29, 50, 239);box-sizing: border-box;">数字<strong style="box-sizing: border-box;"><span style="font-size: 16px;box-sizing: border-box;">越大</span></strong></span>，<span style="color: rgb(29, 50, 239);box-sizing: border-box;">防护等级<span style="font-size: 16px;box-sizing: border-box;"><strong style="box-sizing: border-box;">越高</strong></span></span>。</p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;"><span style="letter-spacing: 1.2px;box-sizing: border-box;">第一个数字表示防尘、防止外物侵入的等级</span><br style="box-sizing: border-box;"></p><p style="margin-bottom: 1px;white-space: normal;box-sizing: border-box;">第二个数字表示防湿气、防水侵入的等级</p><p style="white-space: normal;box-sizing: border-box;">室外使用的摄像机防护等级需满足IP66及以上等级。</p><p style="white-space: normal;box-sizing: border-box;"><br></p><p style="white-space: normal;box-sizing: border-box;"></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;">以上就是全部内容了，大家看了以上相关参数的解释，是否有了更清晰的认识呢？</p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="margin-top: 0.5em;margin-left: 30%;line-height: 1em;box-sizing: border-box;" powered-by="xiumi.us"><section style="width: 0px;display: inline-block;vertical-align: bottom;border-bottom: 13px solid rgb(255, 129, 36);box-sizing: border-box;line-height: 0;border-left: 13px solid transparent !important;border-right: 13px solid transparent !important;"><section style="line-height: 0;width: 0px;"><svg viewbox="0 0 1 1" style="vertical-align:top;"/></section></section></section><section style="margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="height: 2.4em;border-radius: 1em;background-color: rgb(255, 129, 36);box-sizing: border-box;"><section style="height: 1.6em;vertical-align: top;margin: 0.3em 0.5em;display: inline-block;line-height: 0;box-sizing: border-box;"></section><section style="display: inline-block;width: 72%;margin-top: 0.6em;line-height: 1;text-align: center;overflow: hidden;box-sizing: border-box;"><section style="display: inline-block;overflow: hidden;color: rgb(255, 255, 255);font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">如果您觉得实用，记得分享给小伙伴哦</strong></p></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="color: rgb(113, 112, 113);font-size: 15px;letter-spacing: 1.2px;text-align: center;white-space: normal;box-sizing: border-box;">今晚<span style="color: rgb(255, 202, 0);box-sizing: border-box;">19:00</span></p><p style="color: rgb(113, 112, 113);font-size: 15px;letter-spacing: 1.2px;text-align: center;white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 202, 0);box-sizing: border-box;"><strong style="box-sizing: border-box;">海康威视摄像机图像调优指导</strong></span></p><p style="color: rgb(113, 112, 113);font-size: 15px;letter-spacing: 1.2px;text-align: center;white-space: normal;box-sizing: border-box;">别忘了来直播间听课哦~</p><p style="white-space: normal;box-sizing: border-box;"><br></p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"></section></section>
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