Cubic has filed a patent for a method and system to enhance contrast in electro-optical videos for live streaming. The method involves receiving an image block, computing its intensity, determining the distribution of intensity, and quantizing the degree of variation. Upper and lower thresholds are determined, and sets of pixels are identified based on these thresholds. The distribution is modified by adjusting the pixel intensity in these sets, and a transform is constructed to enhance the contrast of the image block. This transform is then applied to all image blocks in the video to enhance their contrast. GlobalData’s report on Cubic gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Enhancing contrast for electro-optical video during live streaming
A recently filed patent (Publication Number: US20230298144A1) describes a method and system for enhancing contrast in electro-optical videos for live streaming. The method involves receiving an image block, which is part of an electro-optical frame, and computing the intensity of the pixels within the image block. The distribution of intensity is determined, and a degree of variation in intensity is quantized. Based on this quantization, upper and lower thresholds for intensity are determined. The pixels that fall outside these thresholds are identified and their intensity is modified. The distribution of pixel intensity is then modified to enhance the contrast of the image block. This process is applied to all image blocks in the electro-optical video to enhance the contrast of the entire video.
The patent also describes a system for implementing this method. The system includes an image processor, a quantizer, a modifier, and an enhancer. The image processor receives the image block and computes the intensity of the pixels within it. The quantizer quantizes the degree of variation in intensity and determines the upper and lower thresholds. The modifier modifies the distribution of pixel intensity based on the thresholds, and the enhancer constructs a transform using the modified distribution to enhance the contrast of the image block. This transform is then applied to all image blocks in the electro-optical video.
The patent further includes additional claims related to the size of the image block, the generation of electro-optical frames through illumination or thermal imaging, the determination of the distribution of intensity using a histogram, the calculation of the Gini coefficient for quantizing the degree of variation, and the determination of the upper and lower thresholds based on the histogram.
Overall, this patent describes a method and system for enhancing contrast in electro-optical videos for live streaming. By modifying the distribution of pixel intensity, the contrast of the video is improved, resulting in a clearer and more visually appealing live streaming experience.