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As a building block of analog-to-digital converter (ADC), comparator plays an important role, especially the case latched comparator for super-high speed ADC. The speed and performance of latched comparator mostly decide the performance of the whole ADC. In this paper, a multi-stage purely dynamic high speed latched comparator for folding and interpolating ADC is designed with Bi-CMOS 0.18um process...
We propose in this paper a novel video frame-rate up-conversion method using edge-weighted motion estimation and trilateral filtering. First, the method produces two frames of the intermediate frame from its previous and following frames with estimated motion vectors. It then obtains an initial estimate from the two frames and calculates its pixel reliability. Finally, a trilateral filter is applied...
Most of the existing image interpolation schemes assume that the image is noise free. This assumption is invalid in practice because noise will be corrupted in the image acquisition process. The conventional way is to denoise the image first and then interpolate the denoised image. The denoising process, however, may smooth much the image details and introduce some artifacts, which could be amplified...
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