Abstract
In order to address the issues of noise sensitivity, edge discontinuity, false positives, and false negatives in image edge detection, this paper proposes an enhanced gravity search algorithm (IGSA). Through experiments on three datasets: CSet8, BSD500, and OTCBVS, the system compared the performance differences between this algorithm and traditional edge detection methods. The results showed that IGSA improved the detection accuracy by 7% on ordinary color images, and by 3.5% on images with added Gaussian white noise. In addition, in infrared images, the edge linear connectivity reaches 1.333, which is 9.6% higher than traditional methods. These results fully demonstrate that the proposed algorithm not only improves the accuracy of edge detection, but also exhibits stronger robustness under noise interference.
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