Description:
Scientific image processing and analysis.
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Question about inferring a 2D filter from its frequency spectrum
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Dear all, I am working on a 2D convolution problem. I have estimated the frequency spectrum |H(u, v)| now I wish to infer the 2D filter f(x, y). I just don't know a way to work it out from the spectrum, although I may have several constraints of f(x, y) in the spatial domain forassistance. It will also be helpful if there's a good way to easily compute... more »
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Question on template matching
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Hi, I am reading some documents on template matching of digital image processing and I understood most of it, but have one confusion question. I.e., when we do template matching, is the size of template (mask) matter? For example, I would like to find ring shapes in an image and I use a ring mask, if I don't know adhead the sizes of the... more »
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2.5D object dataset
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Does anyone know any software to generate synthetic disparity/range images? Or, Does anyone know website for 2.5D object dataset? I need to test my algorithm performance to 3D object recognition from shape. thanks
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wiener filter 2D
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Hi, I have been working on the wiener filter for images, and have a question regarding the implementation. I found a document describing such a filter: [link] which provides wiener filter coefficients formula: W(u,v) = H(u,v) / (|H(u,v)|^2 + Sn / Sx(u,v))... more »
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CALL FOR PAPERS: International Journal of Imaging
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CALL FOR PAPERS International Journal of Imaging (IJI) [link] ISSN 0974-0627 The main aim of the International Journal of Imaging (ISSN 0974-0627) is to publish refereed, well-written original research articles, and studies that describe the latest research and developments in the area... more »
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