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Color transfer is an image editing process that adjusts the colors of a picture to match a target picture's color theme. A natural color transfer not only matches the color styles but also prevents after-transfer artifacts due to image…

Computer Vision and Pattern Recognition · Computer Science 2016-08-05 Han Gong , Graham D. Finlayson , Robert B. Fisher

Noise removal in the standard RGB (sRGB) space remains a challenging task, in that the noise statistics of real-world images can be different in R, G and B channels. In fact, the green channel usually has twice the sampling rate in raw data…

Image and Video Processing · Electrical Eng. & Systems 2024-02-14 Zhaoming Kong , Xiaowei Yang

A color image contains luminance and chrominance components representing the intensity and color information respectively. The objective of the work presented in this paper is to show the significance of incorporating the chrominance…

Computer Vision and Pattern Recognition · Computer Science 2018-01-01 V. Sowmya , D. Govind , K. P. Soman

Image colorization, the task of adding colors to grayscale images, has been the focus of significant research efforts in computer vision in recent years for its various application areas such as color restoration and automatic animation…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Changyuan Qiu , Hangrui Cao , Qihan Ren , Ruiyu Li , Yuqing Qiu

We propose a new algorithm for color transfer between images that have perceptually similar semantic structures. We aim to achieve a more accurate color transfer that leverages semantically-meaningful dense correspondence between images. To…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Mingming He , Jing Liao , Dongdong Chen , Lu Yuan , Pedro V. Sander

Image colorization aims to bring colors back to grayscale images. Automatic image colorization methods, which requires no additional guidance, struggle to generate high-quality images due to color ambiguity, and provides limited user…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yifan Li , Shuai Yang , Jiaying Liu

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

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

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

In this work, we present a method for automatic colorization of grayscale videos. The core of the method is a Generative Adversarial Network that is trained and tested on sequences of frames in a sliding window manner. Network convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Panagiotis Kouzouglidis , Giorgos Sfikas , Christophoros Nikou

Near-infrared imaging can capture haze-free near-infrared gray images and visible color images, according to physical scattering models, e.g., Rayleigh or Mie models. However, there exist serious discrepancies in brightness and image…

Computer Vision and Pattern Recognition · Computer Science 2016-10-04 Chang-Hwan Son , Xiao-Ping Zhang

The search for image compression optimization techniques is a topic of constant interest both in and out of academic circles. One method that shows promise toward future improvements in this field is image colorization since image…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Ian Tassin , Kristen Goebel , Brittany Lasher

We demonstrate an image dequantizing diffusion model that enables novel edits on natural images. We propose operating on quantized images because they offer easy abstraction for patch-based edits and palette transfer. In particular, we show…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Vaibhav Vavilala , Faaris Shaik , David Forsyth

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

Diffusion models generate high-resolution images through iterative stochastic processes. In particular, the denoising method is one of the most popular approaches that predicts the noise in samples and denoises it at each time step. It has…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Juno Hwang , Yong-Hyun Park , Junghyo Jo

Video denoising for raw image has always been the difficulty of camera image processing. On the one hand, image denoising performance largely determines the image quality, moreover denoising effect in raw image will affect the accuracy of…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Bin Ma , Yueli Hu , Xianxian Lv , Kai Li

Photorealistic style transfer aims to transfer the artistic style of an image onto an input image or video while keeping photorealism. In this paper, we think it's the summary statistics matching scheme in existing algorithms that leads to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-22 Xiaowen Qiu , Ruize Xu , Boan He , Yingtao Zhang , Wenqiang Zhang , Weifeng Ge

Hyperspectral cameras face challenging spatial-spectral resolution trade-offs and are more affected by shot noise than RGB photos taken over the same total exposure time. Here, we present a colorization algorithm to reconstruct…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 M. Kerem Aydin , Qi Guo , Emma Alexander

We propose a deep learning approach for user-guided image colorization. The system directly maps a grayscale image, along with sparse, local user "hints" to an output colorization with a Convolutional Neural Network (CNN). Rather than using…

Computer Vision and Pattern Recognition · Computer Science 2017-05-12 Richard Zhang , Jun-Yan Zhu , Phillip Isola , Xinyang Geng , Angela S. Lin , Tianhe Yu , Alexei A. Efros

Depth images captured by off-the-shelf RGB-D cameras suffer from much stronger noise than color images. In this paper, we propose a method to denoise the depth images in RGB-D images by color-guided graph filtering. Our iterative method…

Image and Video Processing · Electrical Eng. & Systems 2020-04-01 Qiwei Huang , Ruikang Li , Zidong Jiang , Wei Feng , Sijie Lin , Hui Feng , Bo Hu