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Hyperspectral target detection is a pixel-level recognition problem. Given a few target samples, it aims to identify the specific target pixels such as airplane, vehicle, ship, from the entire hyperspectral image. In general, the background…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Can Yao , Yuan Yuan , Zhiyu Jiang

Active stereo vision is important in reconstructing objects without obvious textures. However, it is still very challenging to extract and match the projected patterns from two camera views automatically and robustly. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Yongcan Shuang , Zhenzhou Wang

Hyperspectral images show similar statistical properties to natural grayscale or color photographic images. However, the classification of hyperspectral images is more challenging because of the very high dimensionality of the pixels and…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Gustavo Camps-Valls , Devis Tuia , Lorenzo Bruzzone , Jón Atli Benediktsson

In this paper, we describe how scene depth can be extracted using a hyperspectral light field capture (H-LF) system. Our H-LF system consists of a 5 x 6 array of cameras, with each camera sampling a different narrow band in the visible…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Kang Zhu , Yujia Xue , Qiang Fu , Sing Bing Kang , Xilin Chen , Jingyi Yu

A multispectral camera records image data in various wavelengths across the electromagnetic spectrum to acquire additional information that a conventional camera fails to capture. With the advent of high-resolution image sensors and colour…

Image and Video Processing · Electrical Eng. & Systems 2023-03-06 Noor E Karishma Shaik , Bryce Widdicombe , Dechuan Sun , Sam E John , Dongryeol Ryu , Ampalavanapillai Nirmalathas , Ranjith R Unnithan

This paper presents a new Bayesian spectral unmixing algorithm to analyse remote scenes sensed via sparse multispectral Lidar measurements. To a first approximation, in the presence of a target, each Lidar waveform consists of a main peak,…

Spectral imaging technologies have rapidly evolved during the past decades. The recent development of single-camera-one-shot techniques for hyperspectral imaging allows multiple spectral bands to be captured simultaneously (3x3, 4x4 or 5x5…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Eric L. Wisotzky , Charul Daudkhane , Anna Hilsmann , Peter Eisert

Real time, singleshot multispectral imaging systems are crucial for environment monitoring and biomedical imaging. Most singleshot multispectral imagers rely on complex computational backends, which precludes real time operations. In this…

Optics · Physics 2025-02-27 Romil Audhkhasi , Ningzhi Xie , Johannes E. Fröch , Arka Majumdar

With the development of depth cameras such as Kinect and Intel Realsense, RGB-D based human detection receives continuous research attention due to its usage in a variety of applications. In this paper, we propose a new Multi-Glimpse LSTM…

Computer Vision and Pattern Recognition · Computer Science 2017-11-06 Hengduo Li , Jun Liu , Guyue Zhang , Yuan Gao , Yirui Wu

Our goal is to develop stable, accurate, and robust semantic scene understanding methods for wide-area scene perception and understanding, especially in challenging outdoor environments. To achieve this, we are exploring and evaluating a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Jiesi Hu , Ganning Zhao , Suya You , C. C. Jay Kuo

Semantic segmentation is a challenging task since it requires excessively more low-level spatial information of the image compared to other computer vision problems. The accuracy of pixel-level classification can be affected by many…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Zülfiye Kütük , Görkem Algan

Research interest in rapid structured-light imaging has grown increasingly for the modeling of moving objects, and a number of methods have been suggested for the range capture in a single video frame. The imaging area of a 3D object using…

Computer Vision and Pattern Recognition · Computer Science 2015-09-01 Changsoo Je , Kwang Hee Lee , Sang Wook Lee

Existing deep Thermal InfraRed (TIR) trackers only use semantic features to describe the TIR object, which lack the sufficient discriminative capacity for handling distractors. This becomes worse when the feature extraction network is only…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Qiao Liu , Xin Li , Zhenyu He , Nana Fan , Di Yuan , Hongpeng Wang

Unsupervised cross-spectral stereo matching aims at recovering disparity given cross-spectral image pairs without any supervision in the form of ground truth disparity or depth. The estimated depth provides additional information…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Mingyang Liang , Xiaoyang Guo , Hongsheng Li , Xiaogang Wang , You Song

Computational stereo has reached a high level of accuracy, but degrades in the presence of occlusions, repeated textures, and correspondence errors along edges. We present a novel approach based on neural networks for depth estimation that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Yinda Zhang , Neal Wadhwa , Sergio Orts-Escolano , Christian Häne , Sean Fanello , Rahul Garg

In this thesis, we discuss the design and calibration (geometric and radiometric) of a novel shape and reflectance acquisition device called the "Multispectral Light Stage". This device can capture highly detailed facial geometry (down to…

Computer Vision and Pattern Recognition · Computer Science 2011-05-19 Abhishek Dutta

Integrating RGB and NIR stereo imaging provides complementary spectral information, potentially enhancing robotic 3D vision in challenging lighting conditions. However, existing datasets and imaging systems lack pixel-level alignment…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Jinnyeong Kim , Seung-Hwan Baek

Visual place classification from a first-person-view monocular RGB image is a fundamental problem in long-term robot navigation. A difficulty arises from the fact that RGB image classifiers are often vulnerable to spatial and appearance…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Tomoya Iwasaki , Kanji Tanaka , Kenta Tsukahara

Although recent masked image modeling (MIM)-based HSI-LiDAR/SAR classification methods have gradually recognized the importance of the spectral information, they have not adequately addressed the redundancy among different spectra,…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Junyan Lin , Xuepeng Jin , Feng Gao , Junyu Dong , Hui Yu

Visual object tracking in real-world scenarios presents numerous challenges including occlusion, interference from similar objects and complex backgrounds-all of which limit the effectiveness of RGB-based trackers. Multispectral imagery,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Tao Feng , Tingfa Xu , Haolin Qin , Tianhao Li , Shuaihao Han , Xuyang Zou , Zhan Lv , Jianan Li