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Image derivatives

Image derivatives can be computed by using small convolution filters of size 2 x 2 or 3 x 3, such as the Laplacian, Sobel, Roberts and Prewitt… Expand
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Papers overview

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2013
2013
Crohn’s Disease affects the intestinal tract of a patient and can have varying severity which influences treatment strategy. The… Expand
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2013
2013
Image deblurring techniques play important roles in many image processing applications. As the blur varies spatially across the… Expand
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Highly Cited
2009
Highly Cited
2009
In this paper we propose a novel computational method to infer visual saliency in images. The method is based on the idea that… Expand
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Highly Cited
2009
Highly Cited
2009
This paper presents a fast deblurring method that produces a deblurring result from a single image of moderate size in a few… Expand
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Highly Cited
2007
Highly Cited
2007
In this paper, we present a new single-image camera response function (CRF) estimation method using geometry invariants (GI). We… Expand
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2004
2004
Extraction of image features is a crucial step in many image analysis tasks. In feature extraction methods Gaussian derivative… Expand
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2003
2003
The objective of the presented work is to improve the sta- bility of interest point detection under illumination changes. The use… Expand
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2002
2002
Estimating geometric structure from uncalibrated images accurately enough for high quality rendering is difficult. We present a… Expand
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Highly Cited
1998
Highly Cited
1998
A method is described for selecting the optimal focus measure with respect to gray-level noise from a given set of focus measures… Expand
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1996
1996
We present a method for sampling, structuring and reconstructing progressively re ned images e ectively. This has direct… Expand
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