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METHOD FOR GENERATING A NOISE-REDUCED IMAGE BASED ON A NOISE MODEL OF MULTIPLE IMAGES, AS WELL AS CAMERA SYSTEM AND MOTOR VEHICLE
METHOD FOR GENERATING A NOISE-REDUCED IMAGE BASED ON A NOISE MODEL OF MULTIPLE IMAGES, AS WELL AS CAMERA SYSTEM AND MOTOR VEHICLE
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机译:基于多图像噪声模型的降噪图像生成方法,相机系统和机动车
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摘要
The invention relates to a method for generating a noise-reduced image (lD), in which a noisy image (lN) is captured by a camera (3) of a motor vehicle (1) and the following steps are performed: a) capturing an image sequence (10) of images (9) by the camera (3); b) determining a noise model (NLF) based on multiple images (9) of the image sequence (10); c) determining a weighting value (wxy) for weighting the noisy image (lN) as well as at least one image (lB) depending on the noisy image (lN) based on the noise model (NLF); d) generating a blurred image (lB) based on the noisy image (lN); e) generating a weighted blurred image by weighting the blurred image (lB) depending on the weighting value (wxy); f) generating a weighted noisy image by weighting the noisy image (lN) depending on the weighting value (wxy); and g) generating the noise-reduced image (lD) based on the weighted blurred image and the weighted noisy image.
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机译:本发明涉及一种用于产生降噪图像(l D Sub>)的方法,其中,噪声图像(l N Sub>)由摄像机的照相机(3)捕获。执行机动车辆(1),并执行以下步骤:a)通过照相机(3)捕获图像(9)的图像序列(10)。 b)基于图像序列(10)的多个图像(9)确定噪声模型(NLF); c)确定用于加权噪声图像(l N Sub>)和至少一个图像(l B Sub>)的加权值(w xy Sub>) )取决于基于噪声模型(NLF)的噪点图像(l N Sub>); d)基于噪声图像(l N Sub>)生成模糊图像(l B Sub>); e)通过根据加权值(w xy Sub>)对模糊图像(l B Sub>)加权来生成加权模糊图像; f)通过根据加权值(w xy Sub>)加权噪声图像(lN)来生成加权噪声图像; g)根据加权后的模糊图像和加权后的噪声图像,生成降噪图像(l D Sub>)。
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