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Many image retrieval and object recognition systems rely on high-dimensional feature representation schemes such as SIFT. Because of this high dimensionality these features suffer from the curse of… (More)
Minutiae based approach is most widely used for fingerprint matching. Minutiae can be extracted either directly from gray-scaled image or from a thinned image. During matching, finding an exact match… (More)
In this paper we investigate an unsupervised learning method applied to low level image features extracted from a large collection of images using data mining strategies. The mining process resulted… (More)
This paper proposes a novel approach to explore emergent patterns in images in an unsupervised setting. We consider emergent patterns to be sets of co-occurring visual words that appear together more… (More)
This paper describes the design and implementation of Stingray, a library in Python built to perform time series analysis and related tasks on astronomical light curves. Its core functionality… (More)
With the advent of modern image acquisition and sharing technologies, billions of images are added to the Internet every day. This huge repository contains useful information, but it is very hard to… (More)