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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 35 / No. 2: AAAI-21 Technical Tracks 2

MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems

February 1, 2023

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Authors

Xuan Dong

Beijing University of Posts and Telecommunications


Xiaoyan Hu

Beijing University of Posts and Telecommunications


Weixin Li

Beihang University


Xiaojie Wang

Beijing University of Posts and Telecommunications


Yunhong Wang

Beihang University


DOI:

10.1609/aaai.v35i2.16214


Abstract:

We study the High Dynamic Range (HDR) imaging problem using two Low Dynamic Range (LDR) images that are shot from dual-lens systems in a single shot time with different exposures. In most of the related HDR imaging methods, the problem is usually solved by Multiple Images Merging, i.e. the final HDR image is fused from pixels of all the input LDR images. However, ghost artifacts can be hardly avoided using this strategy. Instead of directly merging the multiple LDR inputs, we use an indirect way which enhances the main image, i.e. the short exposure image IS, using the long exposure image IL serving as guidance. In detail, we propose a new model, named MIEHDR CNN model, which consists of three subnets, i.e. Soft Warp CNN, 3D Guided Denoising CNN and Fusion CNN. The Soft Warp CNN aligns IL to get the aligned result ILA using the soft exposed result of IS as reference. The 3D Guided Denoising CNN denoises the soft exposed result of IS using ILA as guidance, whose result are fed into the Fusion CNN with IS to get the HDR result. The MIEHDR CNN model is implemented by MindSpore and experimental results show that we can outperform related methods largely and avoid ghost artifacts.

Topics: AAAI

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HOW TO CITE:

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems Proceedings of the AAAI Conference on Artificial Intelligence (2021) 1264-1272.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems AAAI 2021, 1264-1272.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang (2021). MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems. Proceedings of the AAAI Conference on Artificial Intelligence, 1264-1272.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang. MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems. Proceedings of the AAAI Conference on Artificial Intelligence 2021 p.1264-1272.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang. 2021. MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems. "Proceedings of the AAAI Conference on Artificial Intelligence". 1264-1272.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang. (2021) "MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems", Proceedings of the AAAI Conference on Artificial Intelligence, p.1264-1272

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang, "MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems", AAAI, p.1264-1272, 2021.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang. "MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems". Proceedings of the AAAI Conference on Artificial Intelligence, 2021, p.1264-1272.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang. "MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems". Proceedings of the AAAI Conference on Artificial Intelligence, (2021): 1264-1272.

Xuan Dong||Xiaoyan Hu||Weixin Li||Xiaojie Wang||Yunhong Wang. MIEHDR CNN: Main Image Enhancement based Ghost-Free High Dynamic Range Imaging using Dual-Lens Systems. AAAI[Internet]. 2021[cited 2023]; 1264-1272.


ISSN: 2374-3468


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