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Fig. 6

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Brick segmentation diagram. (a), (b), and (c) represent the cutting strategies for three bricks of different sizes. The three images at the top are images of the brick, and the corresponding images at the bottom are images after segmentation. The brick images here are downloaded from DESI in equal proportions for us to illustrate the cutting strategy, and are not complete bricks. We mark the size of the brick boundary and use red dotted lines to illustrate the cutting position. It can be seen that our cutting on the Dec boundary is unchanged, while the cutting on the RA boundary is set according to the size of the boundary.

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