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Image fusion method, image acquisition equipment and movable platform

An image fusion and frame image technology, applied in the field of image processing, can solve problems such as limited representation ability and image effect limitation, achieve high dynamic range effect, improve objectivity and accuracy

Inactive Publication Date: 2020-11-03
SZ DJI TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, in the related art, the second-order Laplacian operator is used in the process of obtaining the weight of the operator, and the image features used are all artificially defined, and its representation ability is limited, which leads to the limitation of the effect of the fused image

Method used

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  • Image fusion method, image acquisition equipment and movable platform
  • Image fusion method, image acquisition equipment and movable platform
  • Image fusion method, image acquisition equipment and movable platform

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. In addition, the following embodiments and features in the embodiments can be combined with each other under the condition of no conflict.

[0032] In order to solve the problem in the related art that the effect of the fused image is limited due to the limited image feature representation ability when artificially defining image features and extracting weight operators, an embodiment of the present invention provides an image fusion method, the inventive idea of...

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Abstract

The invention discloses an image fusion method, image acquisition equipment and a movable platform. The image fusion method comprises the following steps: obtaining feature vectors of each frame of image with different shooting brightness in an image sequence; acquiring image features of each frame of image based on the feature vector; obtaining the weight of each frame of image based on the imagefeatures; and fusing the image sequence based on the weight of each frame of image to obtain a fused image with a high dynamic range effect. According to the embodiment of the invention, the image feature of each frame of image is obtained through the feature vector of each frame of image, a user does not need to manually specify the image feature of the image, and the objectivity and accuracy ofthe obtained image feature can be improved. Weights are allocated to the frames of images based on the image features, and the images in the image sequence are fused based on the weights, so that a fused image with a high dynamic range effect can be obtained.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of image processing, and in particular, to an image fusion method, an image acquisition device, and a movable platform. Background technique [0002] Dynamic range refers to the ratio of the highest brightness value to the lowest brightness value in natural scenes. The dynamic range of natural scenes is much higher than that of ordinary cameras, so dark exposure or overexposure often occurs. The photos taken There will be a loss of detail and information. For this reason, in related technologies, multi-exposure image fusion is a method of directly fusing multiple images with different exposure levels to generate a high-quality image with a high dynamic range effect, which is also called high dynamic range imaging in the future. . [0003] Currently, high dynamic range imaging is usually implemented in two ways: first, calculate the camera response curve through image sequences to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T5/50
CPCG06T5/50G06T2207/10016G06T2207/20081G06T2207/20084G06T2207/20221G06T2207/20208G06T5/92
Inventor 李辉曹子晟胡攀
Owner SZ DJI TECH CO LTD
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