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Related papers: PixColor: Pixel Recursive Colorization

200 papers

In the practical application of restoring low-resolution gray-scale images, we generally need to run three separate processes of image colorization, super-resolution, and dows-sampling operation for the target device. However, this pipeline…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Jiangning Zhang , Chao Xu , Jian Li , Yue Han , Yabiao Wang , Ying Tai , Yong Liu

We review some of the most recent approaches to colorize gray-scale images using deep learning methods. Inspired by these, we propose a model which combines a deep Convolutional Neural Network trained from scratch with high-level features…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Federico Baldassarre , Diego González Morín , Lucas Rodés-Guirao

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

Colorization is the method of converting an image in grayscale to a fully color image. There are multiple methods to do the same. Old school methods used machine learning algorithms and optimization techniques to suggest possible colors to…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Shreyank Narayana Gowda

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

Decolorization is the process to convert a color image or video to its grayscale version, and it has received great attention in recent years. An ideal decolorization algorithm should preserve the original color contrast as much as…

Graphics · Computer Science 2014-04-23 Wei Hu , Wei Li , Fan Zhang , Qian Du

We present a simple nearest-neighbor (NN) approach that synthesizes high-frequency photorealistic images from an "incomplete" signal such as a low-resolution image, a surface normal map, or edges. Current state-of-the-art deep generative…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Aayush Bansal , Yaser Sheikh , Deva Ramanan

Image colorization is the process of colorizing grayscale images or recoloring an already-color image. This image manipulation can be used for grayscale satellite, medical and historical images making them more expressive. With the help of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Ahmed Samir Ragab , Shereen Aly Taie , Howida Youssry Abdelnaby

For realistic and vivid colorization, generative priors have recently been exploited. However, such generative priors often fail for in-the-wild complex images due to their limited representation space. In this paper, we propose BigColor, a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Geonung Kim , Kyoungkook Kang , Seongtae Kim , Hwayoon Lee , Sehoon Kim , Jonghyun Kim , Seung-Hwan Baek , Sunghyun Cho

This paper proposes a novel approach to generate multiple color palettes that reflect the semantics of input text and then colorize a given grayscale image according to the generated color palette. In contrast to existing approaches, our…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Hyojin Bahng , Seungjoo Yoo , Wonwoong Cho , David K. Park , Ziming Wu , Xiaojuan Ma , Jaegul Choo

Existing video colorization methods struggle with temporal flickering or demand extensive manual input. We propose a novel approach automating high-fidelity video colorization using rich semantic guidance derived from language and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Silvia Dani , Tiberio Uricchio , Lorenzo Seidenari

We present a novel technique to automatically colorize grayscale images that combine the U-Net model and Fusion Layer features. This approach allows the model to learn the colorization of images from pre-trained U-Net. Moreover, the Fusion…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Muhammad Hisyam Zayd , Novanto Yudistira , Randy Cahya Wihandika

PixelCNN achieves state-of-the-art results in density estimation for natural images. Although training is fast, inference is costly, requiring one network evaluation per pixel; O(N) for N pixels. This can be sped up by caching activations,…

Computer Vision and Pattern Recognition · Computer Science 2017-03-13 Scott Reed , Aäron van den Oord , Nal Kalchbrenner , Sergio Gómez Colmenarejo , Ziyu Wang , Dan Belov , Nando de Freitas

Numerous methods have been proposed to transform color and grayscale images to their single bit-per-pixel binary counterparts. Commonly, the goal is to enhance specific attributes of the original image to make it more amenable for analysis.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Shumeet Baluja

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

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

We introduce a new technique that automatically generates diverse, visually compelling stylizations for a photograph in an unsupervised manner. We achieve this by learning style ranking for a given input using a large photo collection and…

Computer Vision and Pattern Recognition · Computer Science 2015-11-13 Joon-Young Lee , Kalyan Sunkavalli , Zhe Lin , Xiaohui Shen , In So Kweon

Image forensics, aiming to ensure the authenticity of the image, has made great progress in dealing with common image manipulation such as copy-move, splicing, and inpainting in the past decades. However, only a few researchers pay…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Yushu Zhang , Nuo Chen , Shuren Qi , Mingfu Xue , Xiaochun Cao

We present a novel approach to automatic image colorization by imitating the imagination process of human experts. Our imagination module is designed to generate color images that are context-correlated with black-and-white photos. Given a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Chenyang Lei , Yue Wu , Qifeng Chen

The colorful appearance of a physical painting is determined by the distribution of paint pigments across the canvas, which we model as a per-pixel mixture of a small number of pigments with multispectral absorption and scattering…

Graphics · Computer Science 2018-07-23 Jianchao Tan , Stephen DiVerdi , Jingwan Lu , Yotam Gingold