2267 search results - page 184 / 454 » Images as Bags of Pixels |
213
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CVPR
2011
IEEE
15 years 2 months ago
2011
IEEE
Alpha matting refers to the problem of softly extracting the foreground from an image. Given a trimap (specifying known foreground/background and unknown pixels), a straightforwar...
178
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CVPR
2007
IEEE
16 years 8 months ago
2007
IEEE
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
191
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
We propose a new method for sampling camera response functions: temporally mixing two uncalibrated irradiances within a single camera exposure. Calibration methods rely on some kn...
178
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
Most digital cameras capture color pictures in the form of an image mosaic, recording only one color channel at each pixel position. Therefore, an interpolation algorithm needs to...
181
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
Unsupervised over-segmentation of an image into superpixels is a common preprocessing step for image parsing algorithms. Ideally, every pixel within each superpixel region will be...