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Over the past decades, the hyperspectral remote sensing technology development has attracted growing interest among scientists in various domains. The rich and detailed spectral information provided by the hyperspectral sensors has improved…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Asma Elmaizi , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

Intensity mapping experiments will soon have surveyed large swathes of the sky, providing information about the underlying matter distribution of the early universe. The resulting maps can be used to recover statistical information, such as…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-15 Lisa McBride , Adrian Liu

Exemplar-based colorization approaches rely on reference image to provide plausible colors for target gray-scale image. The key and difficulty of exemplar-based colorization is to establish an accurate correspondence between these two…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Yunpeng Bai , Chao Dong , Zenghao Chai , Andong Wang , Zhengzhuo Xu , Chun Yuan

In this paper, we present a framework for computing dense keypoint correspondences between images under strong scene appearance changes. Traditional methods, based on nearest neighbour search in the feature descriptor space, perform poorly…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Grzegorz Kurzejamski , Jacek Komorowski , Lukasz Dabala , Konrad Czarnota , Simon Lynen , Tomasz Trzcinski

We propose a novel intrinsic image decomposition network considering reflectance consistency. Intrinsic image decomposition aims to decompose an image into illumination-invariant and illumination-variant components, referred to as…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Yuma Kinoshita , Hitoshi Kiya

Dense depth estimation from a single image is a key problem in computer vision, with exciting applications in a multitude of robotic tasks. Initially viewed as a direct regression problem, requiring annotated labels as supervision at…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Vitor Guizilini , Jie Li , Rares Ambrus , Sudeep Pillai , Adrien Gaidon

Hyperspectral images with high spectral resolution provide new insights into recognizing subtle differences in similar substances. However, object detection in hyperspectral images faces significant challenges in intra- and inter-class…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Xiao He , Chang Tang , Xinwang Liu , Wei Zhang , Zhimin Gao , Chuankun Li , Shaohua Qiu , Jiangfeng Xu

Semantic image segmentation is a fundamental task in image understanding. Per-pixel semantic labelling of an image benefits greatly from the ability to consider region consistency both locally and globally. However, many Fully Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2017-01-26 Tong Shen , Guosheng Lin , Chunhua Shen , Ian Reid

Uncertainty estimation has been widely studied in medical image segmentation as a tool to provide reliability, particularly in deep learning approaches. However, previous methods generally lack effective supervision in uncertainty…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Yuzhu Li , An Sui , Fuping Wu , Xiahai Zhuang

Nowadays, the hyperspectral remote sensing imagery HSI becomes an important tool to observe the Earth's surface, detect the climatic changes and many other applications. The classification of HSI is one of the most challenging tasks due to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Hasna Nhaila , Asma Elmaizi , Elkebir Sarhrouni , Ahmed Hammouch

This paper tackles the automatic colorization task of a sketch image given an already-colored reference image. Colorizing a sketch image is in high demand in comics, animation, and other content creation applications, but it suffers from…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Junsoo Lee , Eungyeup Kim , Yunsung Lee , Dongjun Kim , Jaehyuk Chang , Jaegul Choo

Hyperspectral imaging provides detailed information about the scanned objects, as it captures their spectral characteristics within a large number of wavelength bands. Classification of such data has become an active research topic due to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Jakub Nalepa , Lukasz Tulczyjew , Michal Myller , Michal Kawulok

With the development of numbers of high resolution data acquisition systems and the global requirement to lower the energy consumption, the development of efficient sensing techniques becomes critical. Recently, Compressed Sampling (CS)…

Information Theory · Computer Science 2015-06-11 Mohammad Golbabaee , Simon Arberet , Pierre Vandergheynst

We address the problem of registering synchronized color (RGB) and multi-spectral (MS) images featuring very different resolution by solving stereo matching correspondences. Purposely, we introduce a novel RGB-MS dataset framing 13…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Fabio Tosi , Pierluigi Zama Ramirez , Matteo Poggi , Samuele Salti , Stefano Mattoccia , Luigi Di Stefano

Achieving accurate material segmentation for 3-channel RGB images is challenging due to the considerable variation in a material's appearance. Hyperspectral images, which are sets of spectral measurements sampled at multiple wavelengths,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Yuwen Heng , Yihong Wu , Jiawen Chen , Srinandan Dasmahapatra , Hansung Kim

Consistency regularization describes a class of approaches that have yielded state-of-the-art results for semi-supervised classification. While semi-supervised semantic segmentation proved to be more challenging, a number of successful…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Geoff French , Michal Mackiewicz

In this paper we show how to perform scene-level inverse rendering to recover shape, reflectance and lighting from a single, uncontrolled image using a fully convolutional neural network. The network takes an RGB image as input, regresses…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Ye Yu , William A. P. Smith

Spectral variability in hyperspectral images can result from factors including environmental, illumination, atmospheric and temporal changes. Its occurrence may lead to the propagation of significant estimation errors in the unmixing…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Ricardo Augusto Borsoi , Tales Imbiriba , José Carlos Moreira Bermudez

Hyperspectral imaging holds promises in surgical imaging by offering biological tissue differentiation capabilities with detailed information that is invisible to the naked eye. For intra-operative guidance, real-time spectral data capture…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Peichao Li , Oscar MacCormac , Jonathan Shapey , Tom Vercauteren

We propose Multi-spectral Neural Radiance Fields(Spec-NeRF) for jointly reconstructing a multispectral radiance field and spectral sensitivity functions(SSFs) of the camera from a set of color images filtered by different filters. The…

Image and Video Processing · Electrical Eng. & Systems 2023-10-23 Jiabao Li , Yuqi Li , Ciliang Sun , Chong Wang , Jinhui Xiang