I converted an RGB matrix to YUV matrix using this formula: Y=(0.257 * R) + (0.504 * G) + (0.098 * B) + 16
I have polygons that define the contour of counties in the UK. These shapes are very detailed (10k to 20k points each), thus rendering the related computations (is point X in polygon P?) quite computa
夜猫子 渔圈/ 心大俊 专辑:夜猫子 语种:国语 流派:Pop 发行时间:2016-09-02 本歌词于吾爱知道