分块图像 meaning in English

segment image

In order to meet real - time compression performance for image produced by ccd camera with high resolution , image data must he divided into several blocks and pipelining method is implemented
摘要在实时压缩高分辨率ccd相机产生的高数据率图像时，为保证实时性，必须采用分块图像数据，并且流水处理的工作方式。
This paper breaks through conventional ideas that estimate ridge distance at a whole image of at block image , and brings out a new method at region level to estimate ridge distance according to the consistency of ridge directions
摘要突破了基于整幅图像或者基于分块图像进行纹线距离估计的传统思路，根据纹线方向一致性，自适应地将一幅指纹图像划分为若干个区域，在区域水平上实现了纹线距离估计。