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The variation of remotely sensed neutron count rates is measured as a function of cratercentric distance using data from the Lunar Prospector Neutron Spectrometer. The count rate, stacked over many craters, peaks over the crater centre, has…

We present two diagnostic methods based on ideas of Principal Component Analysis and demonstrate their efficiency for sophisticated processing of multicolour photometric observations of variable objects.

Astrophysics · Physics 2015-06-24 Zdenek Mikulasek

Automatic crystal orientation determination and orientation mapping are important tools for research on polycrystalline materials. The most common methods of automatic orientation determination rely on detecting and indexing individual…

Materials Science · Physics 2023-05-15 Adam Morawiec

To simulate the heated exterior of a meteorite, we impact a granular bed with melted tin. The morphology of tin remnant and crater is found to be sensitive to the temperature and solidification of tin. By employing deep learning and…

Earth and Planetary Astrophysics · Physics 2023-04-03 H. Y. Huang , P. R. Tsai , C. Y. Lu , H. Hau , Y. L. Chen , Z. T. Ling , Y. R. Wu , Tzay-Ming Hong

This research proposes a Ground Penetrating Radar (GPR) data processing method for non-destructive detection of tunnel lining internal defects, called defect segmentation. To perform this critical step of automatic tunnel lining detection,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Senlin Yang , Zhengfang Wang , Jing Wang , Anthony G. Cohn , Jiaqi Zhang , Peng Jiang , Peng Jiang , Qingmei Sui

Deep neural networks (DNNs) have proven to be successful in various computer vision applications such that models even infer in safety-critical situations. Therefore, vision models have to behave in a robust way to disturbances such as…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Patrick Müller , Alexander Braun , Margret Keuper

Monocular depth estimation is an especially important task in robotics and autonomous driving, where 3D structural information is essential. However, extreme lighting conditions and complex surface objects make it difficult to predict depth…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Minhyeok Lee , Sangwon Hwang , Chaewon Park , Sangyoun Lee

Frequent mine disasters cause a large number of casualties and property losses. Autonomous driving is a fundamental measure for solving this problem, and track detection is one of the key technologies for computer vision to achieve downhole…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Jia Li , Xing Wei , Guoqiang Yang , Xiao Sun , Changliang Li

Well-known corner or local extrema feature based detectors such as FAST and DoG have achieved noticeable successes. However, detecting keypoints in the presence of blur has remained to be an unresolved issue. As a matter of fact, various…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Chao Zhang , Xuequan Lu , Takuya Akashi

A key challenge to performing effective analyses of high-dimensional data is finding a signal-rich, low-dimensional representation. For linear subspaces, this is generally performed by decomposing a design matrix (via eigenvalue or singular…

Computation · Statistics 2021-08-02 Wenlan Zang , Jen-hwa Chu , Michael J. Kane

Colorectal cancer is the third most common cause of cancer death worldwide. Optical colonoscopy is the gold standard for detecting colorectal cancer; however, about 25 percent of polyps are missed during the procedure. A vision-based…

Image and Video Processing · Electrical Eng. & Systems 2023-01-20 Alwyn Mathew , Ludovic Magerand , Emanuele Trucco , Luigi Manfredi

Martian terrain recognition is pivotal for advancing our understanding of topography, geomorphology, paleoclimate, and habitability. While deep clustering methods have shown promise in learning semantically homogeneous feature embeddings…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Tejas Panambur , Mario Parente

The electrical and optical properties of semiconductor materials are profoundly influenced by the atomic configurations and concentrations of intrinsic defects. This influence is particularly significant in the case of $\beta$-$\rm…

Materials Science · Physics 2024-02-08 Mengzhi Yan , Junlei Zhao , Flyura Djurabekova , Zongwei Xu

Deep learning (DL) has proven to be an effective machine learning and computer vision technique. DL-based image segmentation, object recognition and classification will aid many in-situ Mars rover tasks such as path planning and artifact…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Daniel Lundstrom , Alexander Huyen , Arya Mevada , Kyongsik Yun , Thomas Lu

Robust estimation of the essential matrix, which encodes the relative position and orientation of two cameras, is a fundamental step in structure from motion pipelines. Recent deep-based methods achieved accurate estimation by using complex…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Dror Moran , Yuval Margalit , Guy Trostianetsky , Fadi Khatib , Meirav Galun , Ronen Basri

Exoplanet research is essential for understanding planetary formation and the potential for life beyond our solar system. The direct imaging method captures exoplanet light while minimizing light from the host star. This is conventionally…

Instrumentation and Methods for Astrophysics · Physics 2025-12-02 Suvinay Goyal , Yinzi Xin , Nemanja Jovanovic , Dimitri Mawet , Michael P. Fitzgerald

We present a novel technique to overcome the limitations of the applicability of Principal Component Analysis to typical real-life data sets, especially astronomical spectra. Our new approach addresses the issues of outliers, missing…

Astrophysics · Physics 2009-11-13 Tamas Budavari , Vivienne Wild , Alexander S. Szalay , Laszlo Dobos , Ching-Wa Yip

Defects influence diverse properties of materials, shaping their structural, mechanical, and electronic characteristics. Among a variety of materials exhibiting unique defects, magnets exhibit diverse nano- to micro-scale defects and have…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Vinícius Yu Okubo , Kotaro Shimizu , B. S. Shivaram , Hae Yong Kim

Online map generation and trajectory prediction are critical components of the autonomous driving perception-prediction-planning pipeline. While modern vectorized mapping models achieve high geometric accuracy, they typically treat map…

Robotics · Computer Science 2026-03-23 Pritom Gogoi , Faris Janjoš , Bin Yang , Andreas Look

Perceiving the three-dimensional (3D) structure of the spacecraft is a prerequisite for successfully executing many on-orbit space missions, and it can provide critical input for many downstream vision algorithms. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Xiang Liu , Hongyuan Wang , Zhiqiang Yan , Yu Chen , Xinlong Chen , Weichun Chen