关键词: 图像融合, 区域分割, 联合区域表示, 融合规则

Abstract: For the fusion of IR and visible images in the application of scene surveillance，a fusion algorithm based on region segmentation is proposed.Firstly，the source images are segmented into several regions by an improved region growing method，and a joint region representation for the fused image is produced.Then，by considering the features of target grey level and region area，the joint region representation is divided into target regions and background regions.Different rules based on region energy and region average gradient are adapted respectively in target and background regions to produce the fused image.Experiment shows that the proposed algorithm is effective retain the features of source images and the fused image is suitable for human vision or machine perception.

Key words: image fusion, region segmentation, joint region representation, fusion rules