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This paper proposes an efficient framework of high-quality image compression method for upper Gastrointestinal tract endoscopy images. The proposed DEWC coding method saves traditional image preprocessing computations, such as demosaicking and color-space transformation, and directly utilizes raw image data acquired from CMOS sensor. R, G and B band image are then separately encoded by wavelet-based...
This paper intends to reduce the power dissipation of the GICam image compressor for capsule endoscope or swallowable imaging capsules while the gastrointestinal images are cardinal. In order to further extend the battery life of capsule endoscope, we firstly attempt to analyze the energy distribution and variation of DC/AC coefficients in 2D-DCT domain for twelve tested GI images. According to the...
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