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TDA4VM: H3A统计值里面,skip的含义是什么? 每个block的sum和是由多少个pixel计算而来的?

Part Number: TDA4VM

比如,1920*1280的图像大小, H3A统计值配置的参数由:v_size = 72, h_size = 54; v_count = 16; h_count = 32;  v_start = 64; h_start = 76; v_skip =8; h_skip =8;

现在,某个block的sum = 4500;那这个sum是由 (72/8 * 54/8) 个pixel得来的吗?54不是8的倍数,那这个skip具体是怎么操作的?是否需要取8的倍数后再计算?