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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…

数值分析 · 数学 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,…

数值分析 · 数学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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…

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…

计算机视觉与模式识别 · 计算机科学 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.…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

图形学 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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…

数据分析、统计与概率 · 物理学 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…

计算机视觉与模式识别 · 计算机科学 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,…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

天体物理仪器与方法 · 物理学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Guang Yang , Jie Li , Hanxiao Lei , Xinbo Gao
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