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相关论文: Multispectral Demosaicing via Dual Cameras

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Displaying the large number of bands in a hyper spectral image on a trichromatic monitor has been an active research topic. The visualized image shall convey as much information as possible form the original data and facilitate image…

计算机视觉与模式识别 · 计算机科学 2018-01-23 Danping Liao , Siyu Chen , Yuntao Qian

Hyperspectral imaging can help better understand the characteristics of different materials, compared with traditional image systems. However, only high-resolution multispectral (HrMS) and low-resolution hyperspectral (LrHS) images can…

计算机视觉与模式识别 · 计算机科学 2019-01-11 Qi Xie , Minghao Zhou , Qian Zhao , Deyu Meng , Wangmeng Zuo , Zongben Xu

This paper presents a Multispectral imaging (MSI) approach that combines the use of a diffractive optical element, and a deep learning algorithm for spectral reconstruction. Traditional MSI techniques often face challenges such as high…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Khen Cohen , Tuval Kay

We present a metasurface camera that jointly performs high-dynamic range (HDR) and hyperspectral imaging in a snapshot. The system integrates exposure bracketing and computed tomography imaging spectrometry (CTIS) by simultaneously forming…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Yuxuan Liu , Qi Guo

Multispectral imagery is frequently incorporated into agricultural tasks, providing valuable support for applications such as image segmentation, crop monitoring, field robotics, and yield estimation. From an image segmentation perspective,…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Nuno Cunha , Tiago Barros , Mário Reis , Tiago Marta , Cristiano Premebida , Urbano J. Nunes

Image defogging is a technique used extensively for enhancing visual quality of images in bad weather condition. Even though defogging algorithms have been well studied, defogging performance is degraded by demosaicking artifacts and sensor…

计算机视觉与模式识别 · 计算机科学 2017-05-24 Y. J. Lee , K. Hirakawa , T. Q. Nguyen

Advances in the design of multi-spectral cameras have led to great interests in a wide range of applications, from astronomy to autonomous driving. However, such cameras inherently suffer from a trade-off between the spatial and spectral…

图像与视频处理 · 电气工程与系统科学 2020-04-16 Mehrdad Shoeiby , Mohammad Ali Armin , Sadegh Aliakbarian , Saeed Anwar , Lars Petersson

In remote sensing, hyperspectral (HS) and multispectral (MS) image fusion have emerged as a synthesis tool to improve the data set resolution. However, conventional image fusion methods typically degrade the performance of the land cover…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Juan Ramírez , Héctor Vargas , José Ignacio Martínez , Henry Arguello

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…

计算机视觉与模式识别 · 计算机科学 2024-03-19 M. Kerem Aydin , Qi Guo , Emma Alexander

Image deblurring aims to restore the detailed texture information or structures from blurry images, which has become an indispensable step in many computer vision tasks. Although various methods have been proposed to deal with the image…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Yanni Zhang , Qiang Li , Miao Qi , Di Liu , Jun Kong , Jianzhong Wang

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…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Ze-Hua Sheng , Hui-Liang Shen , Bo-Wen Yao , Huaqi Zhang

We demonstrate a method that reduces the noise caused by multi-scattering (MS) photons in an \invivo optical coherence tomography image. This method combines a specially designed image acquisition (i.e., optical coherence tomography scan)…

光学 · 物理学 2024-12-13 Yiqiang Zhu , Lida Zhu , Yiheng Lim , Shuichi Makita , Yu Guo , Yoshiaki Yasuno

To compose a 360 image from a rig with multiple fisheye cameras, a conventional processing pipeline first performs demosaicking on each fisheye camera's Bayer-patterned grid, then translates demosaicked pixels from the camera grid to a…

图像与视频处理 · 电气工程与系统科学 2020-06-23 Fengbo Lan , Cheng Yang , Gene Cheung , Jack Z. G. Tan

This paper introduces a novel method for inter-camera color calibration for multispectral imaging with camera arrays using a consensus image. Capturing images using multispectral camera arrays has gained importance in medical, agricultural,…

图像与视频处理 · 电气工程与系统科学 2024-11-14 Katja Kossira , Jürgen Seiler , André Kaup

A multispectral filter array (MSFA) is one solution for capturing a multispectral image (MSI) in a single shot at low cost. We introduce our optimization method of the spectral sensitivity of the MSFAs and demosaicking, and show a new…

图像与视频处理 · 电气工程与系统科学 2018-08-29 Kazuma Shinoda

Traditional snapshot hyperspectral imaging systems generally require multiple refractive-optics-based elements to modulate light, resulting in bulky framework. In pursuit of a more compact form factor, a metasurface-based snapshot…

光学 · 物理学 2022-11-29 Qiangbo Zhang , Zeqing Yu , Xinyu Liu , Chang Wang , Zhenrong Zheng

Hybrid Event-Based Vision Sensor (HybridEVS) is a novel sensor integrating traditional frame-based and event-based sensors, offering substantial benefits for applications requiring low-light, high dynamic range, and low-latency…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Senyan Xu , Zhijing Sun , Jiaying Zhu , Yurui Zhu , Xueyang Fu , Zheng-Jun Zha

Videos captured under low light conditions suffer from severe noise. A variety of efforts have been devoted to image/video noise suppression and made large progress. However, in extremely dark scenarios, extensive photon starvation would…

图像与视频处理 · 电气工程与系统科学 2023-02-16 Yuxiao Cheng , Runzhao Yang , Zhihong Zhang , Jinli Suo , Qionghai Dai

With the recent shift towards mobile computing, new challenges for biometric authentication appear on the horizon. This paper provides a comprehensive study of cross-spectral iris recognition in a scenario, in which high quality color…

计算机视觉与模式识别 · 计算机科学 2018-07-12 Mateusz Trokielewicz , Ewelina Bartuzi

Either RGB images or inertial signals have been used for the task of motion capture (mocap), but combining them together is a new and interesting topic. We believe that the combination is complementary and able to solve the inherent…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Shaohua Pan , Qi Ma , Xinyu Yi , Weifeng Hu , Xiong Wang , Xingkang Zhou , Jijunnan Li , Feng Xu