• Naga Sudha

The challenges in local-feature-based image matching are variations of view and illumination. Many methods have been recently proposed to address these problems by using invariant feature detectors and distinctive descriptors. However, the matching performance is still unstable and inaccurate, particularly when large variation in view or illumination occurs. In this paper, a view and illumination invariant image-matching method is proposed. Estimation the relationship of the relative view and illumination of the images, transform the view of one image to the other, and normalize their illumination for accurate matching is done iteratively. This method does not aim to increase the invariance of the detector but to improve the accuracy, stability, and reliability of the matching results. The performance of matching is significantly improved and is not affected by the changes of view and illumination in a valid range. The proposed method would fail when the initial view and illumination method fails, which gives a new sight to evaluate the traditional detectors. Two novel indicators for detector evaluation, namely, valid angle and valid illumination, which reflect the maximum allowable change in view and illumination, respectively are proposed.

Image Matching , SIFT ,feature Descriptors,Maximum allowable change

"A METHOD OF LOCAL FEATURES BASED IMAGE MATCHING ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.777-782, June-2019, Available :http://www.jetir.org/papers/JETIR1906D24.pdf

"A METHOD OF LOCAL FEATURES BASED IMAGE MATCHING ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp777-782, June-2019, Available at : http://www.jetir.org/papers/JETIR1906D24.pdf