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Rock Classification is an essential geological problem since it provides important formation information. However, exploration on this problem using convolutional neural networks is not sufficient. To tackle this problem, we propose two…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Sining Zhoubian , Yuyang Wang , Zhihuan Jiang

Automated rock classification from mineral composition presents a significant challenge in geological applications, with critical implications for material recycling, resource management, and industrial processing. While existing methods…

Computational Engineering, Finance, and Science · Computer Science 2025-10-17 Iye Szin Ang , Martin Johannes Findl , Elisabeth Hauzinger , Klaus Philipp Sedlazeck , Jyrki Savolainen , Ronald Bakker , Robert Galler , Elmar Rueckert

A major advantage of a deep convolutional neural network (CNN) is that the focused receptive field size is increased by stacking multiple convolutional layers. Accordingly, the model can explore the long-range dependency of features from…

Sound · Computer Science 2020-06-17 Xugang Lu , Peng Shen , Sheng Li , Yu Tsao , Hisashi Kawai

Fine-grained classification is challenging because categories can only be discriminated by subtle and local differences. Variances in the pose, scale or rotation usually make the problem more difficult. Most fine-grained classification…

Computer Vision and Pattern Recognition · Computer Science 2014-11-25 Tianjun Xiao , Yichong Xu , Kuiyuan Yang , Jiaxing Zhang , Yuxin Peng , Zheng Zhang

Deep learning has become a powerful tool for medical image analysis; however, conventional Convolutional Neural Networks (CNNs) often fail to capture the fine-grained and complex features critical for accurate diagnosis. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zahid Ullah , Minki Hong , Tahir Mahmood , Jihie Kim

Earth structural heterogeneities have a remarkable role in the petroleum economy for both exploration and production projects. Automatic detection of detailed structural heterogeneities is challenging when considering modern machine…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Luiz Schirmer , Guilherme Schardong , Vinícius da Silva , Rogério Santos , Hélio Lopes

In information retrieval, learning to rank constructs a machine-based ranking model which given a query, sorts the search results by their degree of relevance or importance to the query. Neural networks have been successfully applied to…

Machine Learning · Computer Science 2017-12-12 Baiyang Wang , Diego Klabjan

Hyperspectral image (HSI) classification faces critical challenges, including high spectral dimensionality, complex spectral-spatial correlations, and limited training samples with severe class imbalance. While CNNs excel at local feature…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Asmit Bandyopadhyay , Anindita Das Bhattacharjee , Rakesh Das

While self-attention mechanism has shown promising results for many vision tasks, it only considers the current features at a time. We show that such a manner cannot take full advantage of the attention mechanism. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Xu Ma , Jingda Guo , Sihai Tang , Zhinan Qiao , Qi Chen , Qing Yang , Song Fu

Despite the powerful feature extraction capability of Convolutional Neural Networks, there are still some challenges in saliency detection. In this paper, we focus on two aspects of challenges: i) Since salient objects appear in various…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Mehrdad Noori , Sina Mohammadi , Sina Ghofrani Majelan , Ali Bahri , Mohammad Havaei

This paper presents a novel keypoints-based attention mechanism for visual recognition in still images. Deep Convolutional Neural Networks (CNNs) for recognizing images with distinctive classes have shown great success, but their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

Deep learning-based medical image segmentation technology aims at automatic recognizing and annotating objects on the medical image. Non-local attention and feature learning by multi-scale methods are widely used to model network, which…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Bo Wang , Lei Wang , Junyang Chen , Zhenghua Xu , Thomas Lukasiewicz , Zhigang Fu

It is a challenge to segment the location and size of rectal cancer tumours through deep learning. In this paper, in order to improve the ability of extracting suffi-cient feature information in rectal tumour segmentation, attention…

Image and Video Processing · Electrical Eng. & Systems 2022-10-28 Hongwei Wu , Junlin Wang , Xin Wang , Hui Nan , Yaxin Wang , Haonan Jing , Kaixuan Shi

The description of rocks is one of the most time-consuming tasks in the everyday work of a geologist, especially when very accurate description is required. We here present a method that reduces the time needed for accurate description of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 E. E. Baraboshkin , L. S. Ismailova , D. M. Orlov , E. A. Zhukovskaya , G. A. Kalmykov , O. V. Khotylev , E. Yu. Baraboshkin , D. A. Koroteev

Convolutional Neural Networks (CNN) are more suitable, indeed. However, fixed kernel sizes make traditional CNN too specific, neither flexible nor conducive to feature learning, thus impacting on the classification accuracy. The convolution…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Muhammad Ahmad , Adil Mehmood Khan , Manuel Mazzara , Salvatore Distefano , Swalpa Kumar Roy , Xin Wu

Deep neural networks face several challenges in hyperspectral image classification, including insufficient utilization of joint spatial-spectral information, gradient vanishing with increasing depth, and overfitting. To enhance feature…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Guandong Li , Mengxia Ye

In this paper, we propose PCPNet, a deep-learning based approach for estimating local 3D shape properties in point clouds. In contrast to the majority of prior techniques that concentrate on global or mid-level attributes, e.g., for shape…

Computational Geometry · Computer Science 2018-06-20 Paul Guerrero , Yanir Kleiman , Maks Ovsjanikov , Niloy J. Mitra

Accurate classification of celestial objects is essential for advancing our understanding of the universe. MargNet is a recently developed deep learning-based classifier applied to SDSS DR16 dataset to segregate stars, quasars, and compact…

Instrumentation and Methods for Astrophysics · Physics 2024-08-29 Srinadh Reddy Bhavanam , Sumohana S. Channappayya , P. K. Srijith , Shantanu Desai

When dealing with seismic data, diffusion models often face challenges in adequately capturing local features and expressing spatial relationships. This limitation makes it difficult for diffusion models to remove noise from complex…

Geophysics · Physics 2024-08-14 Wang Mingwei , Li Yong , Liu Yingtian , Peng Junheng , Li Huating

In the current salient object detection network, the most popular method is using U-shape structure. However, the massive number of parameters leads to more consumption of computing and storage resources which are not feasible to deploy on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Bin Zhang , Yang Wu , Xiaojing Zhang , Ming Ma
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