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In the small target detection problem a pattern to be located is on the order of magnitude less numerous than other patterns present in the dataset. This applies both to the case of supervised detection, where the known template is expected…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Przemysław Głomb , Krzysztof Domino , Michał Romaszewski , Michał Cholewa

The growth of weeds poses a significant challenge to agricultural productivity, necessitating efficient and accurate weed detection and management strategies. The combination of multispectral imaging and drone technology has emerged as a…

Image and Video Processing · Electrical Eng. & Systems 2024-08-14 Drishti Goel , Bhavya Kapur , Prem Prakash Vuppuluri

Infrared spectroscopy is the technique of choice for chemical identification of biomolecules through their vibrational fingerprints. However, infrared light interacts poorly with nanometric size molecules. Here, we exploit the unique…

Two-dimensional (2D) semiconductors isoelectronic to phosphorene has been drawing much attention recently due to their promising applications for next-generation (opt)electronics. This family of 2D materials contains more than 400 members,…

Mesoscale and Nanoscale Physics · Physics 2017-08-17 Zhen Zhu , Baojuan Dong , Teng Yang , Zhi-Dong Zhang

In a typical multi-standard military communication receiver, fast and reliable spectrum sensing unit is required to extract the information of multiple channels (frequency bands) present in a wideband input signal. In this paper, an energy…

Information Theory · Computer Science 2016-08-16 S. J. Darak , A. P. Vinod , E. M-K. Lai

Graphene nanoribbons (GNRs) are atomically precise stripes of graphene with tunable electronic properties, making them promising for room-temperature switching applications like field-effect transistors (FETs). However, challenges persist…

Upcoming large-scale spectroscopic surveys such as WEAVE and 4MOST will provide thousands of spectra of massive stars, which need to be analysed in an efficient and homogeneous way. Studies on massive stars are usually based on samples of a…

Solar and Stellar Astrophysics · Physics 2024-11-20 Joachim M. Bestenlehner

Emission-line regions are key to understanding the properties of galaxies, as they trace the exchange of matter and energy between stars and the interstellar medium (ISM). In nearby galaxies, individual nebulae can be identified as HII…

Agriculture is increasingly challenged by climate change, soil degradation, and resource depletion, and hence requires advanced data-driven crop classification and recommendation solutions. This work presents an explainable ensemble…

Early and precise diagnosis of diseases in plants can help to develop an early treatment technique. Plant diseases degrade both the quantity and quality of crops, thus posing a threat to food security and resulting in huge economic losses.…

Image and Video Processing · Electrical Eng. & Systems 2022-08-17 Bhavya Jain , Sasikumar Periyasamy

In this paper we select large spectral averages of data from the Cassini Composite Infrared Spectrometer (CIRS) obtained in limb-viewing mode at low latitudes (30S--30N), greatly increasing the path length and hence signal-to-noise ratio…

Earth and Planetary Astrophysics · Physics 2009-09-10 C. A. Nixon , D. E. Jennings , J. -M. Flaud , B. Bezard , N. A. Teanby , P. G. J. Irwin , T. M. Ansty , A. Coustenis , S. Vinatier , F. M. Flasar

Stationary multi-magnetometer arrays are routinely deployed in geomagnetic observatories, laboratory shielded rooms, and ground-based monitoring stations. The standard analysis pipeline reduces each sensor to an independent power spectrum,…

Quantum Physics · Physics 2026-04-14 Manas Pandey

Label noise in training data can significantly degrade a model's generalization performance for supervised learning tasks. Here we focus on the problem that noisy labels are primarily mislabeled samples, which tend to be concentrated near…

Machine Learning · Computer Science 2021-03-16 Hao-Chiang Shao , Hsin-Chieh Wang , Weng-Tai Su , Chia-Wen Lin

The berry size is one of the most important fruit traits in grapevine breeding. Non-invasive, image-based phenotyping promises a fast and precise method for the monitoring of the grapevine berry size. In the present study an automated image…

Computer Vision and Pattern Recognition · Computer Science 2017-12-18 Ribana Roscher , Katja Herzog , Annemarie Kunkel , Anna Kicherer , Reinhard Töpfer , Wolfgang Förstner

This paper introduces new attention-based convolutional neural networks for selecting bands from hyperspectral images. The proposed approach re-uses convolutional activations at different depths, identifying the most informative regions of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-10 Pablo Ribalta Lorenzo , Lukasz Tulczyjew , Michal Marcinkiewicz , Jakub Nalepa

We present a large-scale unmanned aerial vehicle (UAV)-based RGB and multispectral image dataset collected over paddy fields in the Vijayawada region, Andhra Pradesh, India, covering nursery to harvesting stages. We used a 20-megapixel RGB…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Adari Rama Sukanya , Puvvula Roopesh Naga Sri Sai , Kota Moses , Rimalapudi Sarvendranath

Uncontrolled growth of weeds can severely affect the crop yield and quality. Unrestricted use of herbicide for weed removal alters biodiversity and cause environmental pollution. Instead, identifying weed-infested regions can aid selective…

Computer Vision and Pattern Recognition · Computer Science 2021-02-22 Shantam Shorewala , Armaan Ashfaque , Sidharth R , Ujjwal Verma

In recent years, spectral graph sparsification techniques that can compute ultra-sparse graph proxies have been extensively studied for accelerating various numerical and graph-related applications. Prior nearly-linear-time spectral…

Data Structures and Algorithms · Computer Science 2018-04-10 Zhuo Feng

A novel framework, called InterGridNet, is introduced, leveraging a shallow RawNet model for geolocation classification of Electric Network Frequency (ENF) signatures in the SP Cup 2016 dataset. During data preparation, recordings are…

Hyperspectral images (HSI) classification is a high technical remote sensing tool. The main goal is to classify the point of a region. The HIS contains more than a hundred bidirectional measures, called bands (or simply images), of the same…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 E. Sarhrouni , A. Hammouch , D. Aboutajdine
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