文献[3]考虑 到低频分量与高频分量对视觉的影响，进一步定义了各方向 上的对比度： 垂直对比度（Vertical Contrast）：C V l - 1 = D 1 l - 1 A l - 1 （2） 水平对比度（Horizontal Contrast）：C H l - 1 = D 2 l - 1 A l - 1 （3） 对角对比度（...
Anyway, the FPD2185W also has a integrated Faroudja chip for enhanced video processing, a built-in 4 port USB hub, a 1000:1 contrast ratio, 178 degree viewing angle (both vertical and horizontal), and an 8ms pixel response time.
There were no signs of a shroud or coffin in Richard III's grave, in stark contrast to other medieval graves found in Leicester which were the correct length and were dug neatly with vertical sides, academics said.