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Using a large-scale array test circuit, both static characteristics and random telegraph noise (RTN) of in-pixel source follower equivalent transistors of a CMOS image sensor with buried and surface channel transistor structures were statistically evaluated under various current and body bias conditions. The distribution of noise intensities at various operational bias conditions, correlations between...
To reduce the level of noise of the transmission line, JL/G1A-500/35DZ low noise conductor is designed in this paper. Its structural parameters, such as protrudent height, protrudent angle and other parameters, are optimized by wind tunnel test and electric test. The preforming and synchronized tightening module device is designed. JL/G1A-500/35DZ low noise conductor is produced by this device, which...
Nowadays manual observation by microscopes is the major method to detect leukemia cells. However this method takes much effort of doctors and depends much on the doctors' experience. This paper proposes a new method to locate the immature precursor cells based on distance transform and internal structures of cells. At first, Otsu method is used to binarize the image; secondly, the image is processed...
For the inevitable factors in the practical scene such as illumination chance and background interference, a new method is obtained to achieve the detection of human movement in this paper. This algorithm can remove most of the shadow and apply Gaussian filter to reduce interference. Then the moving targets under different conditions can be accurately tracked by combination of tracking algorithm and...
A new removing of the mixed Gaussian and salt-pepper noise algorithm is proposed based on median filtering and grey relational analysis. At first, a median pixel is determined in the filter window. Then the coefficient of the proposed method can be varied adaptively based on degree of the grey relational analysis. Finally, the values of the processed pixel can be calculated. The calculation results...
Corner detection is a basic task in the field of image processing. This paper proposes a new corner detection method based on the curvature computing, called Curvature Statistic (CS) method. The edge points which have the maxima of absolute curvature are defined as corners, so curvature of every edge point is computed in CS. The first step is to use Canny edge detector to extract edges of original...
This paper studies median filtering algorithm and several related fast algorithm proposed by other professors, then gives a novel fast algorithm of median filtering based on divide-and-conquer method and improved-choose-sort method. In new algorithm, all the pixels in filtering window are divided into several blocks, the median values of each block are computed using improved-choose-sort algorithm,...
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