Comput Math Methods Med - Image mosaic method based on SIFT features of line segment.

Tópicos

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{ imag(1057) registr(996) error(939) }
{ imag(2830) propos(1344) filter(1198) }
{ imag(2675) segment(2577) method(1081) }
{ first(2504) two(1366) second(1323) }
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{ method(2212) result(1239) propos(1039) }
{ detect(2391) sensit(1101) algorithm(908) }

Resumo

This paper proposes a novel image mosaic method based on SIFT (Scale Invariant Feature Transform) feature of line segment, aiming to resolve incident scaling, rotation, changes in lighting condition, and so on between two images in the panoramic image mosaic process. This method firstly uses Harris corner detection operator to detect key points. Secondly, it constructs directed line segments, describes them with SIFT feature, and matches those directed segments to acquire rough point matching. Finally, Ransac method is used to eliminate wrong pairs in order to accomplish image mosaic. The results from experiment based on four pairs of images show that our method has strong robustness for resolution, lighting, rotation, and scaling.

Resumo Limpo

paper propos novel imag mosaic method base sift scale invari featur transform featur line segment aim resolv incid scale rotat chang light condit two imag panoram imag mosaic process method first use harri corner detect oper detect key point second construct direct line segment describ sift featur match direct segment acquir rough point match final ransac method use elimin wrong pair order accomplish imag mosaic result experi base four pair imag show method strong robust resolut light rotat scale

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