Audio-Infused Automatic Image Colorization by Exploiting Audio Scene Semantics

• URL: http://arxiv.org/abs/2401.13270v1
• Date: Wed, 24 Jan 2024 07:22:05 GMT
• Title: Audio-Infused Automatic Image Colorization by Exploiting Audio Scene Semantics
• Authors: Pengcheng Zhao, Yanxiang Chen, Yang Zhao, Wei Jia, Zhao Zhang, Ronggang Wang and Richang Hong
• Abstract summary: This paper tries to utilize corresponding audio, which naturally contains extra semantic information about the same scene. Experiments demonstrate that audio guidance can effectively improve the performance of automatic colorization.
• Score: 54.980359694044566
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Automatic image colorization is inherently an ill-posed problem with uncertainty, which requires an accurate semantic understanding of scenes to estimate reasonable colors for grayscale images. Although recent interaction-based methods have achieved impressive performance, it is still a very difficult task to infer realistic and accurate colors for automatic colorization. To reduce the difficulty of semantic understanding of grayscale scenes, this paper tries to utilize corresponding audio, which naturally contains extra semantic information about the same scene. Specifically, a novel audio-infused automatic image colorization (AIAIC) network is proposed, which consists of three stages. First, we take color image semantics as a bridge and pretrain a colorization network guided by color image semantics. Second, the natural co-occurrence of audio and video is utilized to learn the color semantic correlations between audio and visual scenes. Third, the implicit audio semantic representation is fed into the pretrained network to finally realize the audio-guided colorization. The whole process is trained in a self-supervised manner without human annotation. In addition, an audiovisual colorization dataset is established for training and testing. Experiments demonstrate that audio guidance can effectively improve the performance of automatic colorization, especially for some scenes that are difficult to understand only from visual modality.

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