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In this paper, we present a system including a novel component called programmable aperture and two associated post-processing algorithms for high-quality light field acquisition. The shape of the programmable aperture can be adjusted and used to capture light field at full sensor resolution through multiple exposures without any additional optics and(More)
Rapidly growing applications on smartphones have provided an excellent platform for mobile visual search. Most of previous visual search systems adopt the framework of ”Bag of Words”, in which words indicate quantized codes of visual features. In this work, we propose a novel visual search system based on ”Bag of Hash Bits”(More)
The advent of smart phones has provided an excellent plat- form for mobile visual search. Most of previous mobile visual search systems adopt the framework of "bag of words",in which words indicate quantized codes of visual features. In this work, we propose a novel mobile visual search system based on "bag of hash bits". Using new ideas for hash bit(More)
In this paper, we present a study of the realism of color image composites. Assessing the realism of image composites has emerged as a new field of image processing due to the advances in digital imaging and communications. However, when making image composites, users often suffer from color incompatibility between the inserted object and the background. We(More)
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