DOL WDR

宽动态功能是监控摄像机很重要的一种功能,他可以将监控场景中特别亮的部位和特别暗的部位同时都能看得特别清楚。宽动态范围是图像能分辨最亮的亮度信号值与能分辨的最暗的亮光信号值的比值。 宽动态效果录像 宽动态(WDR,英文缩写Wide Dynamic Range),分为真实宽动态(true WDR)和数字宽动态(digital WDR)。区别在于真实宽动态采用的是软硬结合的方案,首先一款真实宽动态的摄像机必须使用带宽动态功能的CMOS图像传感器(sensor);其次需要数字图像处理器(DSP)配合。比如多重曝光宽动态 (也叫多帧成像宽动态)就是使用图像传感器对图像进行多次曝光 (3次或4次),然后

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DOL(digital overlap) WDR stands for digital overlap wide dynamic range, it’s the next generation Sensor-based WDR technology exclusively developed by Sony. Sony has launched several new CMOS image sensors to support DOL WDR function. The DOL WDR image sensors can output up to three frames of images

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