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Related papers: ColorizeDiffusion v2: Enhancing Reference-based Sk…

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Reference-based sketch colorization methods have garnered significant attention for the potential application in animation and digital illustration production. However, most existing methods are trained with image triplets of sketch,…

Graphics · Computer Science 2025-08-26 Dingkun Yan , Xinrui Wang , Zhuoru Li , Suguru Saito , Yusuke Iwasawa , Yutaka Matsuo , Jiaxian Guo

Sketch colorization plays an important role in animation and digital illustration production tasks. However, existing methods still meet problems in that text-guided methods fail to provide accurate color and style reference, hint-guided…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Dingkun Yan , Xinrui Wang , Zhuoru Li , Suguru Saito , Yusuke Iwasawa , Yutaka Matsuo , Jiaxian Guo

Diffusion models have recently demonstrated their effectiveness in generating extremely high-quality images and are now utilized in a wide range of applications, including automatic sketch colorization. Although many methods have been…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Dingkun Yan , Liang Yuan , Erwin Wu , Yuma Nishioka , Issei Fujishiro , Suguru Saito

Sketch colorization is a critical task for automating and assisting in the creation of animations and digital illustrations. Previous research identified the primary difficulty as the distribution shift between semantically aligned training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Dingkun Yan , Xinrui Wang , Ru Wang , Zhuoru Li , Jinze Yu , Yusuke Iwasawa , Yutaka Matsuo , Jiaxian Guo

This paper tackles the automatic colorization task of a sketch image given an already-colored reference image. Colorizing a sketch image is in high demand in comics, animation, and other content creation applications, but it suffers from…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Junsoo Lee , Eungyeup Kim , Yunsung Lee , Dongjun Kim , Jaehyuk Chang , Jaegul Choo

We propose a novel reference-based video colorization framework with spatiotemporal correspondence. Reference-based methods colorize grayscale frames referencing a user input color frame. Existing methods suffer from the color leakage…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Naofumi Akimoto , Akio Hayakawa , Andrew Shin , Takuya Narihira

Automatic black-and-white image sequence colorization while preserving character and object identity (ID) is a complex task with significant market demand, such as in cartoon or comic series colorization. Despite advancements in visual…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Junhao Zhuang , Xuan Ju , Zhaoyang Zhang , Yong Liu , Shiyi Zhang , Chun Yuan , Ying Shan

We propose the first video diffusion framework for reference-based lineart video colorization. Unlike previous works that rely solely on image generative models to colorize lineart frame by frame, our approach leverages a large-scale…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Zhitong Huang , Mohan Zhang , Jing Liao

We present Follow-Your-Color, a diffusion-based framework for multi-instance sketch colorization. The production of multi-instance 2D line art colorization adheres to an industry-standard workflow, which consists of three crucial stages:…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yinhan Zhang , Yue Ma , Bingyuan Wang , Qifeng Chen , Zeyu Wang

Recent advances in diffusion models have significantly improved the performance of reference-guided line art colorization. However, existing methods still struggle with region-level color consistency, especially when the reference and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Qianru Qiu , Jiafeng Mao , Kento Masui , Xueting Wang

Video colorization is a challenging task that involves inferring plausible and temporally consistent colors for grayscale frames. In this paper, we present ColorDiffuser, an adaptation of a pre-trained text-to-image latent diffusion model…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Hanyuan Liu , Minshan Xie , Jinbo Xing , Chengze Li , Tien-Tsin Wong

Animation colorization plays a vital role in animation production, yet existing methods struggle to achieve color accuracy and temporal consistency. To address these challenges, we propose \textbf{AnimeColor}, a novel reference-based…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuhong Zhang , Liyao Wang , Han Wang , Danni Wu , Zuzeng Lin , Feng Wang , Li Song

We propose InstanceAnimator, a novel Diffusion Transformer framework for multi-instance sketch video colorization. Existing methods suffer from three core limitations: inflexible user control due to heavy reliance on single reference…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yinhan Zhang , Yue Ma , Bingyuan Wang , Kunyu Feng , Yeying Jin , Qifeng Chen , Anyi Rao , Zeyu Wang

Coloring line art images based on the colors of reference images is an important stage in animation production, which is time-consuming and tedious. In this paper, we propose a deep architecture to automatically color line art videos with…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Min Shi , Jia-Qi Zhang , Shu-Yu Chen , Lin Gao , Yu-Kun Lai , Fang-Lue Zhang

Recent remarkable improvements in large-scale text-to-image generative models have shown promising results in generating high-fidelity images. To further enhance editability and enable fine-grained generation, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Kangyeol Kim , Sunghyun Park , Junsoo Lee , Jaegul Choo

Recently, the application of deep learning in image colorization has received widespread attention. The maturation of diffusion models has further advanced the development of image colorization models. However, current mainstream image…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Yanru An , Ling Gui , Chunlei Cai , Tianxiao Ye , JIangchao Yao , Guangtao Zhai , Qiang Hu , Xiaoyun Zhang

Exemplar-based image colorization aims to colorize a grayscale image using a reference color image, ensuring that reference colors are applied to corresponding input regions based on their semantic similarity. To achieve accurate semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Satoshi Kosugi

This paper introduces innovative solutions to enhance spatial controllability in diffusion models reliant on text queries. We first introduce vision guidance as a foundational spatial cue within the perturbed distribution. This…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Zipeng Qi , Guoxi Huang , Chenyang Liu , Fei Ye

Text-guided diffusion models have achieved remarkable success in object inpainting by providing high-level semantic guidance through text prompts. However, they often lack precise pixel-level spatial control, especially in scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Yongle Zhang , Yimin Liu , Yan Huang , Qiang Wu

Despite the impressive generative capabilities of diffusion models, existing diffusion model-based style transfer methods require inference-stage optimization (e.g. fine-tuning or textual inversion of style) which is time-consuming, or…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jiwoo Chung , Sangeek Hyun , Jae-Pil Heo
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