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In Cultural Heritage (CH) imaging, data acquired within different spectral regions are often used to inspect surface and sub-surface features. Due to the experimental setup, these images may suffer from intensity inhomogeneities, which may…

Numerical Analysis · Mathematics 2019-04-01 Simone Parisotto , Luca Calatroni , Claudia Daffara

In Cultural Heritage, non-invasive infrared imaging techniques are used to analyse portions of deep structures behind wall paintings. When mosaicked, these images usually suffer from light inhomogeneities due to the experimental setup,…

Numerical Analysis · Mathematics 2017-04-14 Simone Parisotto , Luca Calatroni , Claudia Daffara

Snapshot mosaic multispectral imagery acquires an undersampled data cube by acquiring a single spectral measurement per spatial pixel. Sensors which acquire $p$ frequencies, therefore, suffer from severe $1/p$ undersampling of the full data…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Giancarlo A. Antonucci , Simon Vary , David Humphreys , Robert A. Lamb , Jonathan Piper , Jared Tanner

Monitoring the health of ancient artworks requires adequate prudence because of the sensitive nature of these materials. Classical techniques for identifying the development of faults rely on acoustic testing. These techniques, being…

Computer Vision and Pattern Recognition · Computer Science 2015-08-26 Muhammad Zubair Ahmad , Amir Ali Khan , Sihem Mezghani , Eric Perrin , Kamel Mouhoubi , Jean-Luc Bodnar , Valeriu Vrabie

This work presents the development of a flexible microscopic chemical imaging platform for cultural heritage that utilizes wavelength-tunable oblique illumination from a point source to obtain per-pixel reflectance spectra in the VIS-NIR…

Image and Video Processing · Electrical Eng. & Systems 2020-03-26 Lindsay Oakley , Stephanie Zaleski , Billie Males , Ollie Cossairt , Marc Walton

In this paper, we scrutinize the effectiveness of various clustering techniques, investigating their applicability in Cultural Heritage monitoring applications. In the context of this paper, we detect the level of decomposition and…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Charalampos Zafeiropoulos , Ioannis N. Tzortzis , Ioannis Rallis , Eftychios Protopapadakis , Nikolaos Doulamis , Anastasios Doulamis

Many images nowadays are captured from behind the glasses and may have certain stains discrepancy because of glass and must be processed to make differentiation between the glass and objects behind it. This research paper proposes an…

Computer Vision and Pattern Recognition · Computer Science 2015-06-04 Vini Katyal , Aviral , Deepesh Srivastava

Learning-based multi-view stereo (MVS) has gained fine reconstructions on popular datasets. However, supervised learning methods require ground truth for training, which is hard to be collected, especially for the large-scale datasets.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Haonan Dong , Jian Yao

Fingerprint mosaicking, which is the process of combining multiple fingerprint images into a single master fingerprint, is an essential process in modern biometric systems. However, it is prone to errors that can significantly degrade…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Laurenz Ruzicka , Alexander Spenke , Stephan Bergmann , Gerd Nolden , Bernhard Kohn , Clemens Heitzinger

We propose a new variational model for non-linear image fusion. Our approach is based on the use of an osmosis energy term related to the one studied in Vogel et al. (2013) and Weickert et al. (2013) The minimization of the proposed…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Simone Parisotto , Luca Calatroni , Aurélie Bugeau , Nicolas Papadakis , Carola-Bibiane Schönlieb

Synthesizing realistic images involves computing high-dimensional light-transport integrals. In practice, these integrals are numerically estimated via Monte Carlo integration. The error of this estimation manifests itself as conspicuous…

Graphics · Computer Science 2022-04-06 Vassillen Chizhov , Iliyan Georgiev , Karol Myszkowski , Gurprit Singh

Image blending is an integral part of many multi-image applications such as panorama stitching or remote image acquisition processes. In such scenarios, multiple images are connected at predefined boundaries to form a larger image. A…

Image and Video Processing · Electrical Eng. & Systems 2023-05-11 Paul Bungert , Pascal Peter , Joachim Weickert

Method for a mosaic image representation (MIR) is proposed for a selective treatment of image fragments of different transition frequency. MIR method is based on piecewise-constant image approximation on a non-uniform orthogonal grid…

Data Analysis, Statistics and Probability · Physics 2011-03-14 Evgenia Gelman

The problem of overlapping occlusion in target recognition has been a difficult research problem, and the situation of mutual occlusion of ship targets in narrow waters still exists. In this paper, an improved mosaic data enhancement method…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Guangmiao Zeng , Wanneng Yu , Rongjie Wang , Anhui Lin

Multispectral (MS) images capture detailed scene information across a wide range of spectral bands, making them invaluable for applications requiring rich spectral data. Integrating MS imaging into multi camera devices, such as smartphones,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 SaiKiran Tedla , Junyong Lee , Beixuan Yang , Mahmoud Afifi , Michael S. Brown

Wafer defect segmentation is pivotal for semiconductor yield optimization yet remains challenged by the intrinsic conflict between microscale anomalies and highly periodic, overwhelming background textures. Existing deep learning paradigms…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Zihan Zhang

In near-infrared bands, co-adding and tiling of astronomical imaging datasets require a sufficiently high calibration quality (flat fielding, background subtraction). Here we present a complete workflow for obtaining imaging mosaics with…

Instrumentation and Methods for Astrophysics · Physics 2021-12-06 Kirill Grishin , Igor Chilingarian

Uncalibrated photometric stereo is proposed to estimate the detailed surface normal from images under varying and unknown lightings. Recently, deep learning brings powerful data priors to this underdetermined problem. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Fangzhou Gao , Meng Wang , Lianghao Zhang , Li Wang , Jiawan Zhang

Fusing a low resolution (LR) mosaiced hyperspectral image (HSI) with a high resolution (HR) panchromatic (PAN) image offers a promising avenue for video-rate HR-HSI imaging via single-shot acquisition, yet its severely ill-posed nature…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Peiming Luo , Nan Wang , Litong Liu , Jiahan Huang , Chenxu Wu , Renwei Dian , Junming Hou

Infrared and visible image fusion aims at generating a fused image containing the intensity and detail information of source images, and the key issue is effectively measuring and integrating the complementary information of multi-modality…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Guang Yang , Jie Li , Hanxiao Lei , Xinbo Gao
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