English
Related papers

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

200 papers

Colorizing line art is a pivotal task in the production of hand-drawn cel animation. This typically involves digital painters using a paint bucket tool to manually color each segment enclosed by lines, based on RGB values predetermined by a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Yuekun Dai , Shangchen Zhou , Qinyue Li , Chongyi Li , Chen Change Loy

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

With the advent of diffusion models, Text-to-Image (T2I) generation has seen substantial advancements. Current T2I models allow users to specify object colors using linguistic color names, and some methods aim to personalize color-object…

Graphics · Computer Science 2025-08-13 Qianru Qiu , Jiafeng Mao , Xueting Wang

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

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 the first deep learning approach for exemplar-based local colorization. Given a reference color image, our convolutional neural network directly maps a grayscale image to an output colorized image. Rather than using hand-crafted…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Mingming He , Dongdong Chen , Jing Liao , Pedro V. Sander , Lu Yuan

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

Automatic colorization of line drawings has been widely studied to reduce the labor cost of hand-drawn anime production. Deep learning approaches, including image/video generation and feature-based correspondence, have improved accuracy but…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Kazuma Nagata , Naoshi Kaneko

Deep networks have shown impressive performance in the image restoration tasks, such as image colorization. However, we find that previous approaches rely on the digital representation from single color model with a specific mapping…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Xiangcheng Du , Zhao Zhou , Yanlong Wang , Zhuoyao Wang , Yingbin Zheng , Cheng Jin

Existing deep interactive colorization models have focused on ways to utilize various types of interactions, such as point-wise color hints, scribbles, or natural-language texts, as methods to reflect a user's intent at runtime. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Youngin Cho , Junsoo Lee , Soyoung Yang , Juntae Kim , Yeojeong Park , Haneol Lee , Mohammad Azam Khan , Daesik Kim , Jaegul Choo

The colorization of grayscale images is a complex and subjective task with significant challenges. Despite recent progress in employing large-scale datasets with deep neural networks, difficulties with controllability and visual quality…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Nir Zabari , Aharon Azulay , Alexey Gorkor , Tavi Halperin , Ohad Fried

Recent data-driven image colorization methods have enabled automatic or reference-based colorization, while still suffering from unsatisfactory and inaccurate object-level color control. To address these issues, we propose a new method…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Jianxin Lin , Peng Xiao , Yijun Wang , Rongju Zhang , Xiangxiang Zeng

Reference-based line-art colorization is a challenging task in computer vision. The color, texture, and shading are rendered based on an abstract sketch, which heavily relies on the precise long-range dependency modeling between the sketch…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Zekun Li , Zhengyang Geng , Zhao Kang , Wenyu Chen , Yibo Yang

In this paper, we present a color transfer algorithm to colorize a broad range of gray images without any user intervention. The algorithm uses a machine learning-based approach to automatically colorize grayscale images. The algorithm uses…

Graphics · Computer Science 2017-04-18 Raj Kumar Gupta , Alex Yong-Sang Chia , Deepu Rajan , Huang Zhiyong

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

Recently, diffusion models have exhibited superior performance in the area of image inpainting. Inpainting methods based on diffusion models can usually generate realistic, high-quality image content for masked areas. However, due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Ruichen Wang , Junliang Zhang , Qingsong Xie , Chen Chen , Haonan Lu

Image rendering from line drawings is vital in design and image generation technologies reduce costs, yet professional line drawings demand preserving complex details. Text prompts struggle with accuracy, and image translation struggles…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Xi Wang , Hongzhen Li , Heng Fang , Yichen Peng , Haoran Xie , Xi Yang , Chuntao Li

Language-guided image editing has achieved great success recently. In this paper, for the first time, we investigate exemplar-guided image editing for more precise control. We achieve this goal by leveraging self-supervised training to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Binxin Yang , Shuyang Gu , Bo Zhang , Ting Zhang , Xuejin Chen , Xiaoyan Sun , Dong Chen , Fang Wen

This paper investigates into the colorization problem which converts a grayscale image to a colorful version. This is a very difficult problem and normally requires manual adjustment to achieve artifact-free quality. For instance, it…

Computer Vision and Pattern Recognition · Computer Science 2016-05-03 Zezhou Cheng , Qingxiong Yang , Bin Sheng

The process of generating fully colorized drawings from sketches is a large, usually costly bottleneck in the manga and anime industry. In this study, we examine multiple models for image-to-image translation between anime characters and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Tai Vu , Robert Yang