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Coherent ptychographic imaging experiments often discard over 99.9 % of the flux from a light source to define the coherence of an illumination. Even when coherent flux is sufficient, the stability required during an exposure is another…

Optics · Physics 2019-06-10 Huibin Chang , Pablo Enfedaque , Yifei Lou , Stefano Marchesini

This work presents a new approach based on deep learning to automatically extract colormaps from visualizations. After summarizing colors in an input visualization image as a Lab color histogram, we pass the histogram to a pre-trained deep…

Human-Computer Interaction · Computer Science 2021-03-02 Lin-Ping Yuan , Wei Zeng , Siwei Fu , Zhiliang Zeng , Haotian Li , Chi-Wing Fu , Huamin Qu

This paper presents the basic properties of chromatic derivatives and chromatic expansions and provides an appropriate motivation for introducing these notions. Chromatic derivatives are special, numerically robust linear differential…

Classical Analysis and ODEs · Mathematics 2009-07-14 Aleksandar Ignjatovic

We present color sails, a discrete-continuous color gamut representation that extends the color gradient analogy to three dimensions and allows interactive control of the color blending behavior. Our representation models a wide variety of…

Graphics · Computer Science 2018-06-11 Maria Shugrina , Amlan Kar , Karan Singh , Sanja Fidler

In some super-resolution techniques, adjacent points are illuminated at different times. Thereby, their locations and light intensities can be detected even if the images are very blurred due to diffraction. According to conventional…

Image and Video Processing · Electrical Eng. & Systems 2019-12-10 Edward Y. Sheffield

Developing deep networks that analyze fashion garments has many real-world applications. Among all fashion attributes, color is one of the most important yet challenging to detect. Existing approaches are classification-based and thus…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Alexandre Rame , Arthur Douillard , Charles Ollion

Visual Saliency is the capability of vision system to select distinctive parts of scene and reduce the amount of visual data that need to be processed. The presentpaper introduces (1) a novel approach to detect salient regions by…

Computer Vision and Pattern Recognition · Computer Science 2016-07-12 Sikha O K , Sachin Kumar S , K P Soman

Deep Neural Networks (DNNs) have been widely used for illumination estimation, which is time-consuming and requires sensor-specific data collection. Our proposed method uses a dual-mapping strategy and only requires a simple white point…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Shuwei Yue , Minchen Wei

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

Scatterplot selection is an effective approach to represent essential portions of multidimensional data in a limited display space. Various metrics for evaluation of scatterplots such as scagnostics have been presented and applied to…

Human-Computer Interaction · Computer Science 2020-09-17 Takayuki Itoh , Asuka Nakabayashi , Mariko Hagita

Local feature matching is essential for many applications, such as localization and 3D reconstruction. However, it is challenging to match feature points accurately in various camera viewpoints and illumination conditions. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Yerim Jung , Nur Suriza Syazwany Binti Ahmad Nizam , Sang-Chul Lee

One of the challenges of computer vision is that it needs to adapt to color deviations in changeable environments. Therefore, minimizing the adverse effects of color deviation on the prediction is one of the main goals of vision task.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Yunpeng Gong , Liqing Huang , Lifei Chen

Many variations of the classical graph coloring model have been intensively studied due to their multiple applications; scheduling problems and aircraft assignments, for instance, motivate the robust coloring problem. This model gets to…

Discrete Mathematics · Computer Science 2023-05-17 Delia Garijo , Alberto Márquez , Rafael Robles

This paper is concerned with specular reflection removal based on tensor low-rank decomposition framework with the help of polarization information. Our method is motivated by the observation that the specular highlight of an image is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Moein Shakeri , Hong Zhang

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

We devise a new formulation for the vertex coloring problem. Different from other formulations, decision variables are associated with the pairs of vertices. Consequently, colors will be distinguishable. Although the objective function is…

Data Structures and Algorithms · Computer Science 2015-01-12 Tomomi Matsui , Noriyoshi Sukegawa , Atsushi Miyauchi

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

In this study, we propose a simple yet very effective method for extracting color information through binary feature description framework. Our method expands the dimension of binary comparisons into RGB and YCbCr spaces, showing more than…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Alisher Abdulkhaev , Ozgur Yilmaz

Image inpainting methods have shown significant improvements by using deep neural networks recently. However, many of these techniques often create distorted structures or blurry textures inconsistent with surrounding areas. The problem is…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

As an important subtopic of image enhancement, color transfer aims to enhance the color scheme of a source image according to a reference one while preserving the semantic context. To implement color transfer, the palette-based color…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Chenlei Lv , Dan Zhang
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