To implement accurate metric measurement within a large field of view with common off the shelf cameras, the image distortion caused by wide angle lenses should be corrected.
为了用普通低成本的广角镜头摄像机实现较大视场的精确定量的图像测量，必须对畸变图像进行校正。
Conventional Rate Control (RC) schemes take mostly objective metric as distortion measurement, which can not acquire optimal subjective quality.
传统码率控制(RC)大多以客观失真作为失真度量，无法得到最优的主观质量。
In the new model, the joint weighted value of texture and mean-error factors is calculated as the distortion metric.
在这种新率失真模型中，纹理因子与误差均值因子的联合加权值被用作新模型中的率失真因子。
Then we design an image quality assessment metric by measuring the distortion of the embedded watermark.
然后通过评估提取出来的水印的质量状况来评估图像的质量状况。
Then we design an image quality assessment metric by measuring the distortion of the embedded watermark.
然后通过评估提取出来的水印的质量状况来评估图像的质量状况。
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