这是因为运动估计执行到子像素分辨率。
This is because motion estimation is performed to sub-pixel resolution.
增加了拍照的照片和体面的打印质量的子像素的摄像头照片分辨率。
Increase resolution of cameraphone photos and photos taken with sub-megapixel cameras for decent print quality.
手机或子像素的摄像头拍出照片的主要问题是分辨率低，这不可能使这些照片达到可打印质量。
The major problem of photos taken with cameraphones or sub-megapixel cameras is low resolution which makes it impossible to make quality prints from such photos.
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