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Image harmonization is an important step in photo editing to achieve visual consistency in composite images by adjusting the appearances of foreground to make it compatible with background. Previous approaches to harmonize composites are…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Konstantin Sofiiuk , Polina Popenova , Anton Konushin

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

The Virtual Image Correlation method applies for the measurement of silhouettes boundaries with sub-pixel precision. It consists in a correlation between the image of interest and a virtual image based on a parametrized curve. Thanks to a…

计算机视觉与模式识别 · 计算机科学 2020-09-11 M. L. M. François

We address the issue of creating consistent mesh texture maps captured from scenes without color calibration. We find that the method for aggregation of the multiple views is crucial for creating spatially consistent meshes without the need…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Mohamed Dahy Elkhouly , Alessio Del Bue , Stuart James

During the last decade, hyperspectral images have attracted increasing interest from researchers worldwide. They provide more detailed information about an observed area and allow an accurate target detection and precise discrimination of…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Asma Elmaizi , Hasna Nhaila , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

In a surround view system, the image color and tone captured by multiple cameras can be different due to cameras applying auto white balance (AWB), global tone mapping (GTM) individually for each camera. The color and brightness along…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Yuzhuo Ren , Yining Deng , David Pajak , Robin Jenkin , Niranjan Avadhanam , Varsha Hedau

Current perception systems often carry multimodal imagers and sensors such as 2D cameras and 3D LiDAR sensors. To fuse and utilize the data for downstream perception tasks, robust and accurate calibration of the multimodal sensor data is…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Ganning Zhao , Jiesi Hu , Suya You , C. -C. Jay Kuo

Satellite-based Synthetic Aperture Radar (SAR) images can be used as a source of remote sensed imagery regardless of cloud cover and day-night cycle. However, the speckle noise and varying image acquisition conditions pose a challenge for…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Janne Alatalo , Tuomo Sipola , Mika Rantonen

LiDAR-camera calibration is a precondition for many heterogeneous systems that fuse data from LiDAR and camera. However, the constraint from common field of view and the requirement for strict time synchronization make the calibration a…

机器人学 · 计算机科学 2019-07-31 Bo Fu , Yue Wang , Xiaqing Ding , Yanmei Jiao , Li Tang , Rong Xiong

Hyperspectral imaging, due to providing high spectral resolution images, is one of the most important tools in the remote sensing field. Because of technological restrictions hyperspectral sensors has a limited spatial resolution. On the…

计算机视觉与模式识别 · 计算机科学 2013-10-23 Roozbeh Rajabi , Hassan Ghassemian

Hyperspectral cameras generate a large amount of data due to the presence of hundreds of spectral bands as opposed to only three channels (red, green, and blue) in traditional cameras. This requires a significant amount of data transmission…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Gourav Datta , Zihan Yin , Ajey Jacob , Akhilesh R. Jaiswal , Peter A. Beerel

In this paper, a novel statistical metric learning is developed for spectral-spatial classification of the hyperspectral image. First, the standard variance of the samples of each class in each batch is used to decrease the intra-class…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Zhiqiang Gong , Ping Zhong , Weidong Hu , Zixuan Xiao , Xuping Yin

Color constancy methods often struggle to generalize across different camera sensors due to varying spectral sensitivities. We present GCC, which leverages diffusion models to inpaint color checkers into images for illumination estimation.…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Chen-Wei Chang , Cheng-De Fan , Chia-Che Chang , Yi-Chen Lo , Yu-Chee Tseng , Jiun-Long Huang , Yu-Lun Liu

Non-visual imaging sensors are widely used in the industry for different purposes. Those sensors are more expensive than visual (RGB) sensors, and usually produce images with lower resolution. To this end, Cross-Modality Super-Resolution…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Guy Shacht , Sharon Fogel , Dov Danon , Daniel Cohen-Or , Ilya Leizerson

We propose a novel hue-correction scheme for multi-exposure image fusion (MEF). Various MEF methods have so far been studied to generate higher-quality images. However, there are few MEF methods considering hue distortion unlike other…

图像与视频处理 · 电气工程与系统科学 2020-12-30 Kouki Seo , Chihiro Go , Yuma Kinoshita , Hitoshi Kiya

Infrared thermography has been widely used in several domains to capture and measure temperature distributions across surfaces and objects. This methodology can be further expanded to 3D applications if the spatial distribution of the…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Jincheng Zhang , Kevin Brink , Andrew R Willis

Image matching is a fundamental and critical task of multisource remote sensing image applications. However, remote sensing images are susceptible to various noises. Accordingly, how to effectively achieve accurate matching in noise images…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Yuan Li , Dapeng Wu , Yaping Cui , Peng He , Yuan Zhang , Ruyan Wang

We present a novel method of calibration of crosstalk probability for multi-pixel photon counters (MPPCs) based on the measurement of the normalized second-order intensity correlation function of coherent light. The method was tested for…

量子物理 · 物理学 2015-06-04 Dmitry A. Kalashnikov , Si-Hui Tan , Leonid A. Krivitsky

Object detectors are vital to many modern computer vision applications. However, even state-of-the-art object detectors are not perfect. On two images that look similar to human eyes, the same detector can make different predictions because…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Caleb Tung , Abhinav Goel , Fischer Bordwell , Nick Eliopoulos , Xiao Hu , George K. Thiruvathukal , Yung-Hsiang Lu

In this paper, we propose a novel method for separately estimating spectral distributions from images captured by a typical RGB camera. The proposed method allows us to separately estimate a spectral distribution of illumination,…

图像与视频处理 · 电气工程与系统科学 2021-06-04 Yuma Kinoshita , Hitoshi Kiya