Abstract
In this paper, we have proposed a Gabor filter technique for Computed Tomography image which is used for early diagnosis of human brain infarct. This technique aims to help the doctor in clinical diagnosis of stroke. The process involves design of a Gabor filter tuned to different spatial-frequencies and orientations to cover the spatial-frequency space and histogram based thresholding. The results from this technique are validated with the conventional diagnosis procedures and with radiologists.