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- W2293543915 abstract "Contours are salient features for image description, but the detection and localization of boundary contours is still considered a challenging problem. This paper introduces a new tool for edge processing implementing the Gestaltism idea of edge grouping. This tool is a mid-level image operator, called the Torque operator, that is designed to help detect closed contours in images. The torque operator takes as input the raw image and creates an image map by computing from the image gradients within regions of multiple sizes a measure of how well the edges are aligned to form closed convex contours. Fundamental properties of the torque are explored and illustrated through examples. Then it is applied in pure bottom-up processing in a variety of applications, including edge detection, visual attention and segmentation and experimentally demonstrated a useful tool that can improve existing techniques. Finally, its extension as a more general grouping mechanism and application in object recognition is discussed." @default.
- W2293543915 created "2016-06-24" @default.
- W2293543915 creator A5038718274 @default.
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- W2293543915 date "2016-01-18" @default.
- W2293543915 modified "2023-10-16" @default.
- W2293543915 title "The Image Torque Operator for Contour Processing" @default.
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- W2293543915 doi "https://doi.org/10.48550/arxiv.1601.04669" @default.
- W2293543915 hasPublicationYear "2016" @default.
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