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Related papers: PixColor: Pixel Recursive Colorization

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A novel method of color image enhancement is proposed, in which three or four color channels of the image are transformed to one channel 2-D grayscale image. This paper describes different models of such transformations in the RGB and other…

Image and Video Processing · Electrical Eng. & Systems 2018-07-24 Artyom M Grigoryan , Aparna John , Sos S Agaian

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

Grayscale images are fundamental to many image processing applications like data compression, feature extraction, printing and tone mapping. However, some image information is lost when converting from color to grayscale. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2021-09-01 Prasoon Ambalathankandy , Yafei Ou , Masayuki Ikebe

Compared to color images captured by conventional RGB cameras, monochrome images usually have better signal-to-noise ratio (SNR) and richer textures due to its higher quantum efficiency. It is thus natural to apply a mono-color dual-camera…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Ze-Hua Sheng , Hui-Liang Shen , Bo-Wen Yao , Huaqi Zhang

In this paper, a simple topology of Capsule Network (CapsNet) is investigated for the problem of image colorization. The generative and segmentation capabilities of the original CapsNet topology, which is proposed for image classification…

Image and Video Processing · Electrical Eng. & Systems 2019-08-23 Gökhan Özbulak

While many image colorization algorithms have recently shown the capability of producing plausible color versions from gray-scale photographs, they still suffer from the problems of context confusion and edge color bleeding. To address…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Jiaojiao Zhao , Li Liu , Cees G. M. Snoek , Jungong Han , Ling Shao

Identifying the sets of operations that can be executed simultaneously is an important problem appearing in many parallel applications. By modeling the operations and their interactions as a graph, one can identify the independent…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-07-28 Ahmet Erdem Sarıyüce , Erik Saule , Ümit V. Çatalyürek

Semantic inpainting is the task of inferring missing pixels in an image given surrounding pixels and high level image semantics. Most semantic inpainting algorithms are deterministic: given an image with missing regions, a single inpainted…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Emilien Dupont , Suhas Suresha

Image colorization is inherently an ill-posed problem with multi-modal uncertainty. Previous methods leverage the deep neural network to map input grayscale images to plausible color outputs directly. Although these learning-based methods…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Jheng-Wei Su , Hung-Kuo Chu , Jia-Bin Huang

In this work recent advances in conditional adversarial networks are investigated to develop an end-to-end architecture based on Convolutional Neural Networks (CNNs) to directly map realistic colours to an input greyscale image. Observing…

Image and Video Processing · Electrical Eng. & Systems 2019-09-06 Marc Górriz , Marta Mrak , Alan F. Smeaton , Noel E. O'Connor

Image colorization achieves more and more realistic results with the increasing computation power of recent deep learning techniques. It becomes more difficult to identify the fake colorized images by human eyes. In this work, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Weize Quan , Dong-Ming Yan , Kai Wang , Xiaopeng Zhang , Denis Pellerin

We present PIXLRelight, a feed-forward approach for physically controllable single-image relighting. Existing methods either provide limited lighting control (e.g. through text or environment maps), accumulate errors when chaining inverse…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Miguel Farinha , Ronald Clark

Diffusion models have shown great promise in synthesizing visually appealing images. However, it remains challenging to condition the synthesis at a fine-grained level, for instance, synthesizing image pixels following some generic color…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Ka Chun Shum , Binh-Son Hua , Duc Thanh Nguyen , Sai-Kit Yeung

Usual approaches for image recoloring, such as local filtering by transfer functions and global histogram remapping, lack of accurate control or miss small groups of important pixels. In this paper, we introduce a triangle-based structuring…

Graphics · Computer Science 2019-12-17 Baptiste Delos , Nicolas Mellado , David Vanderhaeghe , Remi Cozot

Existing image inpainting methods often produce artifacts when dealing with large holes in real applications. To address this challenge, we propose an iterative inpainting method with a feedback mechanism. Specifically, we introduce a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Yu Zeng , Zhe Lin , Jimei Yang , Jianming Zhang , Eli Shechtman , Huchuan Lu

Generating visible-like face images from thermal images is essential to perform manual and automatic cross-spectrum face recognition. We successfully propose a solution based on cascaded refinement network that, unlike previous works,…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Naser Damer , Fadi Boutros , Khawla Mallat , Florian Kirchbuchner , Jean-Luc Dugelay , Arjan Kuijper

Colorizing a given gray-level image is an important task in the media and advertising industry. Due to the ambiguity inherent to colorization (many shades are often plausible), recent approaches started to explicitly model diversity.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-07 Safa Messaoud , David Forsyth , Alexander G. Schwing

Image colorization estimates RGB colors for grayscale images or video frames to improve their aesthetic and perceptual quality. Over the last decade, deep learning techniques for image colorization have significantly progressed,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Saeed Anwar , Muhammad Tahir , Chongyi Li , Ajmal Mian , Fahad Shahbaz Khan , Abdul Wahab Muzaffar

Adjusting the photo color to associate with some design elements is an essential way for a graphic design to effectively deliver its message and make it aesthetically pleasing. However, existing tools and previous works face a dilemma…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Zhenwei Wang , Nanxuan Zhao , Gerhard Hancke , Rynson W. H. Lau

We address the problem of soft color segmentation, defined as decomposing a given image into several RGBA layers, each containing only homogeneous color regions. The resulting layers from decomposition pave the way for applications that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Naofumi Akimoto , Huachun Zhu , Yanghua Jin , Yoshimitsu Aoki