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Deep progressive feature aggregation network for multi-frame high dynamic range imaging
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DOI：10.1016/j.neucom.2024.127804.png)
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High dynamic range (HDR) imaging is an important task in image processing that aims to generate wellexposed images in scenes with varying illumination. Although existing multi -exposure fusion methods have achieved impressive results, generating high -quality HDR images in dynamic scenes remains difficult. The primary challenges are ghosting artifacts caused by object motion between low dynamic range images and distorted content in underexposure and overexposed regions. In this paper, we propose a deep progressive feature aggregation network for improving HDR imaging quality in dynamic scenes. To address the issues of object motion, our method implicitly samples high -correspondence features and aggregates them in a coarse -tofine manner for alignment. In addition, our method adopts a densely connected network structure based on the discrete wavelet transform, which aims to decompose the input features into multiple frequency subbands and adaptively restore corrupted contents. Experiments show that our proposed method can achieve state-of-the-art performance under different scenes, compared to other promising HDR imaging methods. Specifically, the HDR images generated by our method contain cleaner and more detailed content, with fewer distortions, leading to better visual quality.
Keyword:
Image processing
Image restoration
Computational photography
期刊
IF:
6.5
论文数:
2.5W
被引数:
6.5W
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