Panasonic says that the better image sensor means that GX7 need only bin four pixels to create each pixel in the final movie, rather than six pixels as in the G6. The mixing is performed in 1 x 4 pixel lines, rather than 2x2 blocks, and the image processor performs low-pass filtering on the resulting data as it comes off-chip.

GX7是按行1X4超采，G6是按行1X6超采，那就有疑问了，列的方向超采了，行的方向怎么处理的，直接抽取？会造成行分辨率大幅下降。
2X2超采是最合理的，但原文中没提哪种机身是这么处理的。

超采样实际上拿照片处理的概念来类比，就是缩图。好的算法对提高缩图照片质量作用很大。

求科普
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实际使用哪个拍出来的好呢？
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不是很懂呢，有没有详细的科普贴