DCCF: Deep Comprehensible Color Filter Learning Framework for High-Resolution Image Harmonization

• URL: http://arxiv.org/abs/2207.04788v2
• Date: Wed, 13 Jul 2022 08:57:41 GMT
• Title: DCCF: Deep Comprehensible Color Filter Learning Framework for High-Resolution Image Harmonization
• Authors: Ben Xue, Shenghui Ran, Quan Chen, Rongfei Jia, Binqiang Zhao, Xing Tang
• Abstract summary: We propose a novel Deep Comprehensible Color Filter (DCCF) learning framework for high-resolution image harmonization. DCCF learns four human comprehensible neural filters (i.e. hue, saturation, value and attentive rendering filters) in an end-to-end manner. It outperforms state-of-the-art post-processing method on iHarmony4 dataset on images' full-resolutions by achieving 7.63% and 1.69% relative improvements on MSE and PSNR respectively.
• Score: 14.062386668676533
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Image color harmonization algorithm aims to automatically match the color distribution of foreground and background images captured in different conditions. Previous deep learning based models neglect two issues that are critical for practical applications, namely high resolution (HR) image processing and model comprehensibility. In this paper, we propose a novel Deep Comprehensible Color Filter (DCCF) learning framework for high-resolution image harmonization. Specifically, DCCF first downsamples the original input image to its low-resolution (LR) counter-part, then learns four human comprehensible neural filters (i.e. hue, saturation, value and attentive rendering filters) in an end-to-end manner, finally applies these filters to the original input image to get the harmonized result. Benefiting from the comprehensible neural filters, we could provide a simple yet efficient handler for users to cooperate with deep model to get the desired results with very little effort when necessary. Extensive experiments demonstrate the effectiveness of DCCF learning framework and it outperforms state-of-the-art post-processing method on iHarmony4 dataset on images' full-resolutions by achieving 7.63% and 1.69% relative improvements on MSE and PSNR respectively.

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