关键词: 微阵列图像, 自动划格, 差异表达

Abstract: In this paper，the method of addressing spots in cDNA microarray images using automatic gridding technique is presented.It is of great benefit on a high throughput analysis.Logically combining local and global thresholds can give more accurate result for spot extraction.Automatic gridding used in microarray images effectively avoid the error brought by people such as fingerprints and impove the speed of processing microarray images.

Key words: microarray image, automatic gridding, relative expression