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Journal Articles The Visual Computer Year : 2013

SimLocator: robust locator of similar objects in images


Similar objects commonly appear in natural images, and locating and cutting out these objects can be tedious when using classical interactive image segmentation methods. In this paper, we propose SimLocator, a robust method oriented to locate and cut out similar objects with minimum user interaction. After extracting an arbitrary object template from the input image, candidate locations of similar objects are roughly detected by distinguishing the shape and color features of each image. A novel optimization method is then introduced to select accurate locations from the two sets of candidates. Additionally, a mattingbased method is used to improve the results and to ensure that all similar objects are located in the image. Finally, a method based on alpha matting is utilized to extract the precise object contours. To ensure the performance of the matting operation, this work has developed a new method for foreground extraction. Experiments show that SimLocator is more robust and more convenient to use compared to other more advanced repetition detection and interactive image segmentation methods, in terms of locating similar objects in images.
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Dates and versions

hal-00937938 , version 1 (29-01-2014)



Yan Kong, Weiming Dong, Xing Mei, Xiaopeng Zhang, Jean-Claude Paul. SimLocator: robust locator of similar objects in images. The Visual Computer, 2013, 29 (9), pp.861-870. ⟨10.1007/s00371-013-0847-8⟩. ⟨hal-00937938⟩
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