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Impulse noise removal is a very important preprocessing operation in many computer vision applications. This paper presents a noise removal approach based on a simple conditional technique. As evaluations show, the presented technique performs significantly better than standard median filter and achieves superior image quality. Experimental FPGA implementation of the proposed technique for window...
A new lossy compression algorithm for RF ultrasound signals (A-scan) is presented, which stores only the largest variations of the original signal. The largest variation (LAVA) algorithm is a two-step, constant bit-rate (CBR) algorithm, using only simple addition/subtraction operations, which is very suitable for FPGA implementation. The algorithm is targeted for automated ultrasonic testing (AUT)...
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