Discovery, which was among the pioneers of HD television, has joined Sony and IMAX, a maker of huge-screen films, in a 3-d venture. 发现栏目,一个高清电视的先锋,加入了Sony和IMAX,一个3d宽屏电影制作公司。 10. 52kb Finally, the HD formats of digital TV have a different aspect ratio th...
对比度是衡量一幅图像中最亮像素与最暗像素的差异的一个指标,用公式表示为 Contrast=(Imax-Imin)/(Imax+Imin) 对比度低的图像看起来“灰蒙蒙”的(dull),因为主要的像素都集中在灰色附近,如下图(a)所示。 对比度高的图像有亮有暗,看起来比较“通透”(clarity),图像的直方图分布比较均匀地延展到上下限,如下图...
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Time-resolved microwave conductivity (TRMC) showed that the maximum signal intensity (Imax), corresponding to a product of charge-carrier density and mobility, and signal-decay rate, presumably corresponding to reactivity of charge carriers, were increased with increase in AR, suggesting higher ...
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