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Distortion discriminated criteria play a very important role in rate-distortion optimization (RDO), which is an effective way of video encoding. In x264, the sum of the square differences (SSD) and the sum of the absolute differences (SAD) are used as quality metrics for RDO, while these two criteria are poorly correlated to human visual system. In this paper, the structural similarity index (SSIM)...
In machine vision inspection with area array camera, inspecting windows placement needs to be optimized. It aims to minimize the number of windows while covering whole inspected objects. A knowledge inductive search approach is proposed in this work to randomly search optimal window positions with partly prior knowledge direction and partly posteriori knowledge induction. Experimental results show...
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