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首页> 外文期刊>Journal of visual communication & image representation >DRBR-HDR: Dual-Branch recursive band reconstruction network for HDR with large motions
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DRBR-HDR: Dual-Branch recursive band reconstruction network for HDR with large motions

机译:DRBR-HDR:用于大运动HDR的双分支递归带重建网络

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摘要

Ghosting artifacts due to misaligned imaging and missing content of the moving regions are major challenges of synthesizing high dynamic range (HDR) images from multiple low-dynamic range (LDR) with different exposures in dynamic scenes. Therefore, it hopes the HDR reconstruction model can align the LDRs' features and restore the missing content without artifacts. In the paper, a new dual-branch recursive band reconstruction network for high dynamic range (DRBR-HDR) is proposed to generate credible result in missing content regions, which not only uses global features as supplementary information to help local features from different receptive fields for efficient feature alignment but also designs a series of coarse-to-fine band representation to better repair missing areas in the process of recursion. In addition, we introduce an interactive attention mechanism for local branches to alleviate ghosting artifacts. The experimental results demonstrate that DRBR-HDR achieves state-of-the-art performance compared with that of the prevailing HDR reconstruction methods in various challenging scenes.
机译:由于成像未对准和移动区域内容缺失导致的重影伪像是在动态场景中合成具有不同曝光度的多个低动态范围 (LDR) 的高动态范围 (HDR) 图像的主要挑战。因此,它希望HDR重建模型能够对齐LDR的特征,并在没有伪影的情况下恢复缺失的内容。该文提出一种新的高动态范围双分支递归带重构网络(DRBR-HDR),用于在缺失内容区域生成可信结果,该网络不仅利用全局特征作为补充信息,帮助不同感受野的局部特征进行有效的特征比对,而且设计了一系列从粗到细的波段表示,以更好地修复递归过程中的缺失区域。此外,我们还为本地分支机构引入了交互式注意力机制,以减轻重影伪影。实验结果表明,DRBR-HDR在各种具有挑战性的场景中,与主流的HDR重建方法相比,取得了最先进的性能。

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