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Traditional theories and methods in 3D reconstruction were all proposed with implicit assumption of air environment. However, underwater environment is different in many aspects. The absorption and scattering effects caused by the suspended particles in the water attenuate the image signal, which disqualifies the traditional reconstruction algorithms. In this paper, we propose a novel method to reconstruct...
Photometric Stereo is a popular method for 3D reconstruction from images due to its high level of details handling. However, when it is used in a scattering medium such as lakes and oceans, the recovery result will be negatively impacted by the light absorption, light scattering and the impurities in the water. In this paper, we present a new method to solve the problem of better 3D reconstruction...
Although recognition of vehicle license plate is well studied, characters can be obscured by color stains due to rust, mud, peeling paint or fading colors and become unrecognizable. In this paper, two approaches are presented to remove stains from license plate images by using photometric stereo technique and hole filling algorithm of texture synthesis respectively. The former method extracts height...
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