Image fusion method, terminal and storage medium
An image fusion and image technology, which is applied in the field of image processing, can solve the problems of large amount of calculation, HDR image ghosting, which cannot meet real-time performance, etc., and achieve the effect of fast ghost removal, fast speed and reduced workload
Pending Publication Date: 2022-07-01
ZTE CORP
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[0002] High-dynamic range image (High-Dynamic Range, HDR) is a technology that obtains a final HDR image by obtaining low-dynamic range images (Low-Dynamic Range, LDR) with different exposures, and fusing the LDR images with different exposures; but Due to camera shake, object movement in the scene to be photographed, etc., ghost images will appear in the directly fused HDR image
At present, in the process of fusing LDR images with different exposures to obtain HDR images, the correlation algorithm based on the gradient domain or the correlation algorithm based on the irradiance domain is mainly used to eliminate ghosting, but both methods have a large amount of calculation. problem, unable to meet real-time requirements
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[0016] In order to make the objectives, technical solutions and advantages of the embodiments of the present application more clear, each embodiment of the present application will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art can understand that, in each embodiment of the present application, many technical details are provided for the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in the present application can be realized. The following divisions of the various embodiments are for the convenience of description, and should not constitute any limitation on the specific implementation of the present application, and the various embodiments may be combined with each other and referred to each other on the premise of not contradicting each other.
[00...
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The embodiment of the invention relates to the technical field of image processing, and discloses an image fusion method, a terminal and a storage medium. According to the method, multiple exposure parameters are adopted to continuously shoot a target scene; the exposure parameters corresponding to the first picture frame shot for the first time and the second picture frame shot for the last time are the same; as the first picture frame shot for the first time and the second picture frame shot for the last time can cover the motion area of the middle picture frame on the maximum probability, the motion area is determined according to the first picture frame and the second picture frame, so that the calculation workload is reduced; fusing the pixel points at the same position in the motion areas of the plurality of picture frames subsequently to obtain a fused pixel value; according to the pixel value of each pixel point in the motion area of each picture frame and the fused pixel value corresponding to each pixel point, setting the weight of the motion area in each picture frame; the speed of fusing the motion area according to the weight of the motion area in each picture frame is fast, that is, the speed of removing the ghosting is fast, so that the requirement of real-time performance is met.
Description
technical field [0001] The embodiments of the present application relate to the technical field of image processing, and in particular, to an image fusion method, a terminal, and a storage medium. Background technique [0002] High dynamic range image (High-Dynamic Range, HDR) is a technology that obtains a final HDR image by acquiring Low-Dynamic Range (LDR) images with different exposures and fusing the LDR images with different exposures; but Due to camera shake, movement of objects in the scene being shot, etc., ghost images will appear in the directly fused HDR image. At present, in the process of fusing LDR images with different exposures to obtain HDR images, the correlation algorithm based on gradient domain or the correlation algorithm based on irradiance domain is mainly used to eliminate ghost images. However, these two methods have a large amount of calculation. The problem is that it cannot meet the real-time requirements. SUMMARY OF THE INVENTION [0003] T...
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IPC IPC(8): G06T7/207G06T7/32G06T5/00G06T5/50
CPCG06T7/207G06T7/32G06T5/50G06T2207/10004G06T2207/20221G06T5/90
Inventor 黎聪
Owner ZTE CORP