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When acquiring an image of a paper document, the image printed on the back page sometimes shows through. The mixture of the front- and back-page images thus obtained is markedly nonlinear, and thus constitutes a good real-life test case for…

Neural and Evolutionary Computing · Computer Science 2007-07-13 Luis B. Almeida

Illuminant estimation aims to infer scene illumination from image measurements despite intrinsic ambiguities between surface reflectance and lighting. Most existing methods operate on trichromatic RGB images and are therefore fundamentally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 G. Dofri Vidarsson , Liying Lu , Sabine Süsstrunk

Feature matching is a fundamental and crucial process in visual SLAM, and precision has always been a challenging issue in feature matching. In this paper, based on a multi-level fine matching strategy, we propose a new feature matching…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Shaojie Zhang , Yinghui Wang , Jiaxing Ma , Wei Li , Jinlong Yang , Tao Yan , Yukai Wang , Liangyi Huang , Mingfeng Wang , Ibragim R. Atadjanov

Implementing color constancy as a pre-processing step in contemporary digital cameras is of significant importance as it removes the influence of scene illumination on object colors. Several benchmark color constancy datasets have been…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Nikola Banić , Karlo Koščević , Marko Subašić , Sven Lončarić

This paper focuses on the inconsistency in salient regions between RGB and thermal images. To address this issue, we propose the Region-guided Selective Optimization Network for RGB-T Salient Object Detection, which consists of the region…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Bin Wan , Runmin Cong , Xiaofei Zhou , Hao Fang , Chengtao Lv , Sam Kwong

We introduce a deep learning approach to realistically edit an sRGB image's white balance. Cameras capture sensor images that are rendered by their integrated signal processor (ISP) to a standard RGB (sRGB) color space encoding. The ISP…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Mahmoud Afifi , Michael S. Brown

Object detection using aerial drone imagery has received a great deal of attention in recent years. While visible light images are adequate for detecting objects in most scenarios, thermal cameras can extend the capabilities of object…

Computer Vision and Pattern Recognition · Computer Science 2022-01-12 Lizhi Yang , Ruhang Ma , Avideh Zakhor

Road intersections data have been used across different geospatial applications and analysis. The road network datasets dating from pre-GIS years are only available in the form of historical printed maps. Before they can be analyzed by a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Mahmoud Saeedimoghaddam , T. F. Stepinski

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

Shadow boundaries can be confused with material boundaries as both exhibit sharp changes in luminance or contrast within a scene. However, shadows do not modify the intrinsic color or texture of surfaces. Therefore, on both sides of shadow…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Shilin Hu , Hieu Le , ShahRukh Athar , Sagnik Das , Dimitris Samaras

The rapid advancement of diffusion-based video generation models has led to increasingly realistic synthetic content, presenting new challenges for video forgery detection. Existing methods often struggle to capture fine-grained temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Xi Xue , Kunio Suzuki , Nabarun Goswami , Takuya Shintate

In visual recognition, both the object of interest (referred to as foreground, FG, for simplicity) and its surrounding context (background, BG) play an important role. However, standard supervised learning often leads to unintended…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Klara Janouskova , Cristian Gavrus , Jiri Matas

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

Inpainting shadowed regions cast by superficial blood vessels in retinal optical coherence tomography (OCT) images is critical for accurate and robust machine analysis and clinical diagnosis. Traditional sequence-based approaches such as…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Yaoqi Tang , Yufan Li , Hongshan Liu , Jiaxuan Li , Peiyao Jin , Yu Gan , Yuye Ling , Yikai Su

We present a novel algorithm for light source estimation in scenes reconstructed with a RGB-D camera based on an analytically-derived formulation of path-tracing. Our algorithm traces the reconstructed scene with a custom path-tracer and…

Computer Vision and Pattern Recognition · Computer Science 2017-01-17 Mike Kasper , Nima Keivan , Gabe Sibley , Christoffer Heckman

While well-known methods to list the intersections of either a list of segments or a complex polygon aim at achieving optimal time-complexity they often do so at the cost of memory comsumption and complex code. Real-life software…

Computational Geometry · Computer Science 2013-05-28 Jean Souviron

Removing the effect of illumination variation in images has been proved to be beneficial in many computer vision applications such as object recognition and semantic segmentation. Although generating illumination-invariant images has been…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Sorour Mohajerani , Mark S. Drew , Parvaneh Saeedi

RGB-thermal salient object detection (RGB-T SOD) aims to locate the common prominent objects of an aligned visible and thermal infrared image pair and accurately segment all the pixels belonging to those objects. It is promising in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Xiurong Jiang , Lin Zhu , Yifan Hou , Hui Tian

Low-light Object detection is crucial for many real-world applications but remains challenging due to degraded image quality. While recent studies have shown that RAW images offer superior potential over RGB images, existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Jiasheng Guo , Xin Gao , Yuxiang Yan , Guanghao Li , Jian Pu

We propose a method at the intersection of Computer Vision and Computer Graphics fields, which automatically generates RGBD images using neural networks, based on previously seen and synchronized video, depth and pose signals. Since the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Mihai Cristian Pîrvu