2013
DOI: 10.1109/tcsi.2012.2226505
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CMOS Imager With Focal-Plane Analog Image Compression Combining DPCM and VQ

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Cited by 31 publications
(20 citation statements)
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“…To ignore components with irrelevant information about our data, some eigenvectors are discarded, and only M < N vectors are kept. 1 The eigenvectors thus computed are the eigenvectors a j of K. The eigenvectors of the mapped data are the vectors v j given by Equation (1).…”
Section: Vector Quantization Based On Kernel Pcamentioning
confidence: 99%
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“…To ignore components with irrelevant information about our data, some eigenvectors are discarded, and only M < N vectors are kept. 1 The eigenvectors thus computed are the eigenvectors a j of K. The eigenvectors of the mapped data are the vectors v j given by Equation (1).…”
Section: Vector Quantization Based On Kernel Pcamentioning
confidence: 99%
“…As the use of CMOS technology has been growing over the last decade, signals may now be processed at the focal plane of CMOS cameras [1]. For this approach, the hardware implementation of image processing operations is required.…”
Section: Introductionmentioning
confidence: 99%
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“…The parameter e s avg describes the average offset due to local mismatch variations, whereas the parameter e s max corresponds to the absolute value of the maximum deviation caused by mismatching. The offset term e offset can thus be defined as e offset ¼ e s avg þ Δe offset (13) that is, the offset is equal to the average offset plus a certain deviation added to this mean value due to mismatching. Finally, to determine this deviation, we set a pessimistic interval of variation defined by…”
Section: Error Characterizationmentioning
confidence: 99%
“…This kind of modulation was discovered and developed in the beginning of the second half of the last century [4,5], where it was mostly used for digital coding of audio signals [6]. The more recent uses of this technique are mostly in the image and video compression field [7,8], while it is scarcely used for present communication systems. However, the suitability of differentiating coding conversion for radio frequency systems has been previously demonstrated in [9].…”
Section: Introductionmentioning
confidence: 99%