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To eliminate or reduce wrong pairs in SIFT(Scale Invariant Feature Transform)feature matching, this paper proposes an error canceling algorithm through computing match-base. First finding three match point pairs by considering minimal Euclidean distance; second take three match point pairs as match-base if these pairs satisfy with criterion, or finding another three match pairs. Finally checking all...
To make the HSV color model more suitable for wood image retrieval, one hundred images of wood were analyzed to educe their visual spatial distribution laws in HSV color space. It was found that hue, saturation and value components of wood were all centralized distribution. Based on the histogram threshold segmentation and color perception, the proposal on non-equal spacing division of hue, saturation...
This paper summarizes and integrates the approaches in our previous works. It proposes a complete system and provides a complete minutiae-based solution for the offline palmprint identification. The improved image preprocessing approach transforms the gray-scale offline palmprint images into skeleton images with the palmprint segmentation, image enhancement and thinning algorithms. The novel matching...
We propose a robust method for mosaicing of document images using features derived from connected components. Each connected component is described using the angular radial transform (ART). To ensure geometric consistency during feature matching, the ART coefficients of a connected component are augmented with those of its two nearest neighbors. The proposed method addresses two critical issues often...
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