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This paper proposes an iterative generative model for solving the automatic colorization problem. Although previous researches have shown the capability to generate plausible color, the edge color overflow and the requirement of the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Kai Hong , Jin Li , Wanyun Li , Cailian Yang , Minghui Zhang , Yuhao Wang , Qiegen Liu

In this paper, we tackle the problem of colorization of grayscale videos to reduce bandwidth usage. For this task, we use some colored keyframes as reference images from the colored version of the grayscale video. We propose a model that…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Ankur Singh , Anurag Chanani , Harish Karnick

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

Automatic colorization is the process of adding color to greyscale images. We condition this process on language, allowing end users to manipulate a colorized image by feeding in different captions. We present two different architectures…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Varun Manjunatha , Mohit Iyyer , Jordan Boyd-Graber , Larry Davis

In this paper, we present a novel approach that uses deep learning techniques for colorizing grayscale images. By utilizing a pre-trained convolutional neural network, which is originally designed for image classification, we are able to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-28 Tung Nguyen , Kazuki Mori , Ruck Thawonmas

Colours are everywhere. They embody a significant part of human visual perception. In this paper, we explore the paradigm of hallucinating colours from a given gray-scale image. The problem of colourization has been dealt in previous…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Shirsendu Sukanta Halder , Kanjar De , Partha Pratim Roy

Colorizing grayscale images offers an engaging visual experience. Existing automatic colorization methods often fail to generate satisfactory results due to incorrect semantic colors and unsaturated colors. In this work, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Han Wang , Xinning Chai , Yiwen Wang , Yuhong Zhang , Rong Xie , Li Song

Given a grayscale photograph as input, this paper attacks the problem of hallucinating a plausible color version of the photograph. This problem is clearly underconstrained, so previous approaches have either relied on significant user…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Richard Zhang , Phillip Isola , Alexei A. Efros

Colorization is an ambiguous problem, with multiple viable colorizations for a single grey-level image. However, previous methods only produce the single most probable colorization. Our goal is to model the diversity intrinsic to the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-28 Aditya Deshpande , Jiajun Lu , Mao-Chuang Yeh , Min Jin Chong , David Forsyth

Grayscale image colorization is a fascinating application of AI for information restoration. The inherently ill-posed nature of the problem makes it even more challenging since the outputs could be multi-modal. The learning-based methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Himanshu Kumar , Abeer Banerjee , Sumeet Saurav , Sanjay Singh

Single-channel 3D reconstruction is widely used in fields such as robotics and medical imaging. While these methods are good at reconstructing 3D geometry, their outputs are typically uncolored 3D models, making 3D colorization necessary…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yeonjin Chang , Juhwan Cho , Seunghyeon Seo , Wonsik Shin , Nojun Kwak

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

In this paper, we introduce a novel conditional generative adversarial network that creates dense 3D point clouds, with color, for assorted classes of objects in an unsupervised manner. To overcome the difficulty of capturing intricate…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Mohammad Samiul Arshad , William J. Beksi

The main idea of this paper is to explore the possibilities of generating samples from the neural networks, mostly focusing on the colorization of the grey-scale images. I will compare the existing methods for colorization and explore the…

Graphics · Computer Science 2018-12-31 Wonbong Jang

This paper introduces a novel method for image colorization that utilizes a color transformer and generative adversarial networks (GANs) to address the challenge of generating visually appealing colorized images. Conventional approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Hamza Shafiq , Bumshik Lee

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

We propose Generative Probabilistic Image Colorization, a diffusion-based generative process that trains a sequence of probabilistic models to reverse each step of noise corruption. Given a line-drawing image as input, our method suggests…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Chie Furusawa , Shinya Kitaoka , Michael Li , Yuri Odagiri

We propose a hybrid recurrent Video Colorization with Hybrid Generative Adversarial Network (VCGAN), an improved approach to video colorization using end-to-end learning. The VCGAN addresses two prevalent issues in the video colorization…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Yuzhi Zhao , Lai-Man Po , Wing-Yin Yu , Yasar Abbas Ur Rehman , Mengyang Liu , Yujia Zhang , Weifeng Ou

In this paper, we propose a learning-based approach for denoising raw videos captured under low lighting conditions. We propose to do this by first explicitly aligning the neighboring frames to the current frame using a convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Avinash Paliwal , Libing Zeng , Nima Khademi Kalantari

Colorization is a computer-aided process, which aims to give color to a gray image or video. It can be used to enhance black-and-white images, including black-and-white photos, old-fashioned films, and scientific imaging results. On the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Shiguang Liu