Dynamic image processing method and device, camera and storage medium
A dynamic image and processing method technology, applied in the field of image processing, can solve the problems of high imaging cost and large amount of calculation for optimized imaging, and achieve the effect of small calculation amount and improved wide dynamic effect
Inactive Publication Date: 2021-06-11
GUANGZHOU LANGO ELECTRONICS TECH CO LTD
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[0004] The purpose of the present invention is to provide a dynamic image processing method, device, camera and storage medium, which can solve the problems in the prior art that the cost of optimizing imaging through hardware is high, and the calculation amount of optimizing imaging through software is large
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[0022] Embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.
[0023] Embodiments of the present disclosure are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The present disclosure can also be implemented or applied through different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, a...
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The invention provides a dynamic image processing method and device, a camera and a storage medium, and the device comprises: an original image pixel brightness value obtaining module which is used for obtaining a pixel brightness value of an original image; a processing module which is used for processing the pixel brightness value of the original image, mapping the part, with the pixel brightness value smaller than a first threshold value, of the original image into a first set output pixel brightness value, mapping the part, with the pixel brightness value larger than a second threshold value, of the original image into a second set output pixel brightness value, and mapping the part, between the first threshold value and the second threshold value, of the pixel brightness value of the original image to an oblique line taking the first set output pixel brightness value and the second set output pixel brightness value as end points. The method does not depend on multiple exposure functions of a sensor and an ISP, the wide dynamic effect of the image can be improved under the condition that the hardware cost is not increased, and the calculated amount is relatively small.
Description
technical field [0001] The invention relates to the technical field of image processing, in particular to a dynamic image processing method, device, camera and storage medium. Background technique [0002] In a scene with strong light contrast (there are obvious bright areas and dark areas in the same scene), because the camera cannot take into account both the bright area and the dark area when imaging a single frame, the following two situations may occur: 1. The bright area is clearly imaged, and the dark area is underexposed; 2. The dark area is clearly imaged, and the bright area is overexposed. [0003] The existing technology solves this problem through two methods: 1. Relying on the image sensor sensor and the image processor ISP to realize multiple exposures, that is, the hardware method; 2. Optimizing the image through the software method. The problem with the hardware method is that the sensor and ISP need to support the multiple exposure function at the same tim...
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IPC IPC(8): H04N5/243H04N5/235H04N23/76
CPCH04N23/76H04N23/71
Inventor 陈龙李夏龙唐涛
Owner GUANGZHOU LANGO ELECTRONICS TECH CO LTD