• Publications
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Alpha estimation in natural images
TLDR
We propose a technique for estimating alpha, the proportion in which two colors mix to produce a color at the boundary. Expand
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Fast, Accurate Detection of 100,000 Object Classes on a Single Machine
TLDR
We exploit locality-sensitive hashing to replace the dot-product kernel operator in the convolution with a fixed number of hash-table probes that effectively sample all of theFilter responses in time independent of the size of the filter bank. Expand
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Edge, Junction, and Corner Detection Using Color Distributions
TLDR
For over 30 years (1970-2000) researchers in computer vision have been proposing new methods for performing low-level vision tasks such as detecting edges and corners. Expand
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Color edge detection with the compass operator
TLDR
We propose an edge model that assumes that the two distributions of pixel values on either side of an edge are different. Expand
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Autonomous image analyses during the 1999 Marsokhod rover field test
A Martian rover capable of analyzing images autonomously could traverse greater path lengths and return data with greater scientific content. A more intelligent rover could, for example,Expand
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Corner detection in textured color images
TLDR
We use both a region model, based on distributions of pixel colors, and an edge model, which removes false positives, to perform corner detection on color images whose regions contain texture. Expand
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Fast and adaptive color-to-grayscale conversion
TLDR
Methods and systems, including computer program products, for determining a plurality of color clusters based on the plurality of pixels associated with a color image, the clusters being fewer than the pixels. Expand
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Early vision using distributions
For over thirty years computer vision researchers have been proposing methods for “early vision” tasks such as detecting edges and corners. One key assumption shared by most previous methods is thatExpand
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Autonomous Science Analyses of Digital Images for Mars Sample Return and Beyond
To adequately explore high priority landing sites, scientists require rovers with greater mobility. Therefore, future Mars missions will involve rovers capable of traversing tens of kilometers (vs.Expand
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Autonomous Science Decision Making for Mars Sample Return
In the near future NASA intends to explore Mars in preparation for a sample return mission using robotic devices such as landers, rovers, orbiters, airplanes, and/or balloons. Such platforms willExpand
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