中文
相关论文

相关论文: Colour alignment for relative colour constancy via…

200 篇论文

As a novel method eliminating chromatic aberration on objects, computational color constancy has becoming a fundamental prerequisite for many computer vision applications. Among algorithms performing this task, the learning-based ones have…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Yilang Zhang , Neal N. Xiong , Zheng Wei , Xin Yuan , Jian Wang

This paper present our color constancy investigation in the hybridization of Wireless LAN and Camera positioning in the mobile phone. Five typical color constancy schemes are analyzed in different location environment. The results can be…

计算机视觉与模式识别 · 计算机科学 2012-06-29 Wan Mohd Yaakob Wan Bejuri , Mohd Murtadha Mohamad , Maimunah Sapri , Mohd Adly Rosly

Measuring alignment between language and vision is a fundamental challenge, especially as multimodal data becomes increasingly detailed and complex. Existing methods often rely on collecting human or AI preferences, which can be costly and…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Hyojin Bahng , Caroline Chan , Fredo Durand , Phillip Isola

Homographies -- a mathematical formalism for relating image points across different camera viewpoints -- are at the foundations of geometric methods in computer vision and are used in geometric camera calibration, image registration, and…

计算机视觉与模式识别 · 计算机科学 2016-08-02 Graham D. Finlayson , Han Gong , Robert B. Fisher

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…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Nikola Banić , Karlo Koščević , Marko Subašić , Sven Lončarić

Reconstruction of geometric structures from images using supervised learning suffers from limited available amount of accurate data. One type of such data is accurate real-world RGB-D images. A major challenge in acquiring such ground truth…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Noam Rotstein , Amit Bracha , Ron Kimmel

Image matching approaches have been widely used in computer vision applications in which the image-level matching performance of matchers is critical. However, it has not been well investigated by previous works which place more emphases on…

计算机视觉与模式识别 · 计算机科学 2018-08-08 JiaWang Bian , Le Zhang , Yun Liu , Wen-Yan Lin , Ming-Ming Cheng , Ian D. Reid

Camera calibration is a crucial step in robotics and computer vision. Accurate camera parameters are necessary to achieve robust applications. Nowadays, camera calibration process consists of adjusting a set of data to a pin-hole model,…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Carlos Ricolfe-Viala , Alicia Esparza

Color constancy and color illusion perception are two phenomena occurring in the human visual system, which can help us reveal unknown mechanisms of human perception. For decades computer vision scientists have developed numerous color…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Oguzhan Ulucan , Diclehan Ulucan , Marc Ebner

Accurately calibrating light field camera is essential to its applications. Rapid progress has been made in this area in the past decades. In this paper, detailed analysis was first performed towards the state of the art projection models…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Dongyang Jin , Saiping Zhang , Xiao Huo , Wei Zhang , Fuzheng Yang

Camera calibration is an essential first step in setting up 3D Computer Vision systems. Commonly used parametric camera models are limited to a few degrees of freedom and thus often do not optimally fit to complex real lens distortion. In…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Thomas Schöps , Viktor Larsson , Marc Pollefeys , Torsten Sattler

Selection of appropriate template matching algorithms to run effectively on real-time low-cost systems is always major issue. This is due to unpredictable changes in image scene which often necessitate more sophisticated real-time…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Ahmet Orun

The task of camera calibration is to estimate the intrinsic and extrinsic parameters of a camera model. Though there are some restricted techniques to infer the 3-D information about the scene from uncalibrated cameras, effective camera…

计算机视觉与模式识别 · 计算机科学 2016-08-31 Lili Ma , YangQuan Chen , Kevin L. Moore

Image-to-point cloud registration aims to determine the relative camera pose between an RGB image and a reference point cloud, serving as a general solution for locating 3D objects from 2D observations. Matching individual points with…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Gongxin Yao , Yixin Xuan , Yiwei Chen , Yu Pan

In this paper, we propose a novel unsupervised color constancy method, called Probabilistic Color Constancy (PCC). We define a framework for estimating the illumination of a scene by weighting the contribution of different image regions…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Uygar Tuna , Jarno Nikkanen , Moncef Gabbouj

Reconstructing the 3D model of a physical object typically requires us to align the depth scans obtained from different camera poses into the same coordinate system. Solutions to this global alignment problem usually proceed in two steps.…

计算机视觉与模式识别 · 计算机科学 2019-06-05 Xiangru Huang , Zhenxiao Liang , Xiaowei Zhou , Yao Xie , Leonidas Guibas , Qixing Huang

This paper introduces a novel approach to the fine alignment of images in a burst captured by a handheld camera. In contrast to traditional techniques that estimate two-dimensional transformations between frame pairs or rely on discrete…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Bruno Lecouat , Yann Dubois de Mont-Marin , Théo Bodrito , Julien Mairal , Jean Ponce

Consumer cameras, particularly onboard smartphones and UAVs, are now commonly used as scientific instruments. However, their data processing pipelines are not optimized for quantitative radiometry and their calibration is more complex than…

Image editing and compositing have become ubiquitous in entertainment, from digital art to AR and VR experiences. To produce beautiful composites, the camera needs to be geometrically calibrated, which can be tedious and requires a physical…

This letter presents a novel method to estimate the relative poses between RGB-D cameras with minimal overlapping fields of view in a panoramic RGB-D camera system. This calibration problem is relevant to applications such as indoor 3D…

图像与视频处理 · 电气工程与系统科学 2018-09-11 Hang Liu , Hengyu Li , Xiahua Liu , Jun Luo , Shaorong Xie , Yu Sun