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Related papers: MangaNinja: Line Art Colorization with Precise Ref…

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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

Automatic colorization of anime line drawing has attracted much attention in recent years since it can substantially benefit the animation industry. User-hint based methods are the mainstream approach for line drawing colorization, while…

Computer Vision and Pattern Recognition · Computer Science 2023-02-27 Yu Cao , Hao Tian , P. Y. Mok

We developed "Comicolorization", a semi-automatic colorization system for manga images. Given a monochrome manga and reference images as inputs, our system generates a plausible color version of the manga. This is the first work to address…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Chie Furusawa , Kazuyuki Hiroshiba , Keisuke Ogaki , Yuri Odagiri

Line art colorization plays a crucial role in hand-drawn animation production, where digital artists manually colorize segments using a paint bucket tool, guided by RGB values from character color design sheets. This process, often called…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Yuekun Dai , Qinyue Li , Shangchen Zhou , Yihang Luo , Chongyi Li , Chen Change Loy

Creating high-quality anime illustrations presents notable challenges, particularly for beginners, due to the intricate styles and fine details inherent in anime art. We present an interactive drawing guidance system specifically designed…

Graphics · Computer Science 2025-07-15 Chuang Chen , Xiaoxuan Xie , Yongming Zhang , Tianyu Zhang , Haoran Xie

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

It is a time-consuming and tedious work for manually colorizing anime line drawing images, which is an essential stage in cartoon animation creation pipeline. Reference-based line drawing colorization is a challenging task that relies on…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yu Cao , Xiangqiao Meng , P. Y. Mok , Xueting Liu , Tong-Yee Lee , Ping Li

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

Understanding region-wise correspondences between manga line art images is fundamental for high-level manga processing, supporting downstream tasks such as line art colorization and in-between frame generation. Unlike natural images that…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Yingxuan Li , Jiafeng Mao , Qianru Qiu , Yusuke Matsui

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

Automatic animation line art colorization is a challenging computer vision problem, since the information of the line art is highly sparse and abstracted and there exists a strict requirement for the color and style consistency between…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Zhang Qian , Wang Bo , Wen Wei , Li Hai , Liu Jun Hui

Exemplar-based colourisation aims to add plausible colours to a grayscale image using the guidance of a colour reference image. Most of the existing methods tackle the task as a style transfer problem, using a convolutional neural network…

Image and Video Processing · Electrical Eng. & Systems 2021-05-06 Marc Gorriz Blanch , Issa Khalifeh , Alan Smeaton , Noel O'Connor , Marta Mrak

Japanese comics (called manga) are traditionally created in monochrome format. In recent years, in addition to monochrome comics, full color comics, a more attractive medium, have appeared. Unfortunately, color comics require manual…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Yugo Shimizu , Ryosuke Furuta , Delong Ouyang , Yukinobu Taniguchi , Ryota Hinami , Shonosuke Ishiwatari

Manga, a form of Japanese comics and distinct visual storytelling, has captivated readers worldwide. Traditionally presented in black and white, manga's appeal lies in its ability to convey complex narratives and emotions through intricate…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Tawin Jiramahapokee

Reference-based sketch colorization methods have garnered significant attention due to their potential applications in the animation production industry. However, most existing methods are trained with image triplets of sketch, reference,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Dingkun Yan , Xinrui Wang , Yusuke Iwasawa , Yutaka Matsuo , Suguru Saito , Jiaxian Guo

Scribble colors based line art colorization is a challenging computer vision problem since neither greyscale values nor semantic information is presented in line arts, and the lack of authentic illustration-line art training pairs also…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Yuanzheng Ci , Xinzhu Ma , Zhihui Wang , Haojie Li , Zhongxuan Luo

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

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

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

The Japanese comic format known as Manga is popular all over the world. It is traditionally produced in black and white, and colorization is time consuming and costly. Automatic colorization methods generally rely on greyscale values, which…

Graphics · Computer Science 2017-06-22 Paulina Hensman , Kiyoharu Aizawa
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