High dynamic range image acquisition based on multiplex cameras

Hairui Zeng; Huayan Sun; Tinghua Zhang

doi:10.1117/12.2309754

5 March 2018 High dynamic range image acquisition based on multiplex cameras

Hairui Zeng, Huayan Sun, Tinghua Zhang

Proceedings Volume 10710, Young Scientists Forum 2017; 107100N (2018) https://doi.org/10.1117/12.2309754
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

High dynamic image is an important technology of photoelectric information acquisition, providing higher dynamic range and more image details, and it can better reflect the real environment, light and color information. Currently, the method of high dynamic range image synthesis based on different exposure image sequences cannot adapt to the dynamic scene. It fails to overcome the effects of moving targets, resulting in the phenomenon of ghost. Therefore, a new high dynamic range image acquisition method based on multiplex cameras system was proposed. Firstly, different exposure images sequences were captured with the camera array, using the method of derivative optical flow based on color gradient to get the deviation between images, and aligned the images. Then, the high dynamic range image fusion weighting function was established by combination of inverse camera response function and deviation between images, and was applied to generated a high dynamic range image. The experiments show that the proposed method can effectively obtain high dynamic images in dynamic scene, and achieves good results.

Citation Download Citation

Hairui Zeng, Huayan Sun, and Tinghua Zhang "High dynamic range image acquisition based on multiplex cameras", Proc. SPIE 10710, Young Scientists Forum 2017, 107100N (5 March 2018); https://doi.org/10.1117/12.2309754

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