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Gabor filters play an important role in many application areas for the enhancement of various types of images and the extraction of Gabor features. For the purpose of enhancing curved structures in noisy images, we introduce curved Gabor…

Computer Vision and Pattern Recognition · Computer Science 2014-07-28 Carsten Gottschlich

Deep learning has established many new state of the art solutions in the last decade in areas such as object, scene and speech recognition. In particular Convolutional Neural Network (CNN) is a category of deep learning which obtains…

Computer Vision and Pattern Recognition · Computer Science 2016-09-26 Vincent Andrearczyk , Paul F. Whelan

Image processing neural networks, natural and artificial, have a long history with orientation-selectivity, often described mathematically as Gabor filters. Gabor-like filters have been observed in the early layers of CNN classifiers and…

Image and Video Processing · Electrical Eng. & Systems 2025-11-18 Nikola Janjušević , Amirhossein Khalilian-Gourtani , Yao Wang

Compared to earlier multistage frameworks using CNN features, recent end-to-end deep approaches for fine-grained recognition essentially enhance the mid-level learning capability of CNNs. Previous approaches achieve this by introducing an…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Yaming Wang , Vlad I. Morariu , Larry S. Davis

Image deraining have have gained a great deal of attention in order to address the challenges posed by the effects of harsh weather conditions on visual tasks. While convolutional neural networks (CNNs) are popular, their limitations in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Sijin He , Guangfeng Lin

Despite the initial belief that Convolutional Neural Networks (CNNs) are driven by shapes to perform visual recognition tasks, recent evidence suggests that texture bias in CNNs provides higher performing models when learning on large…

Computer Vision and Pattern Recognition · Computer Science 2020-12-25 Reza Azad , Abdur R Fayjie , Claude Kauffman , Ismail Ben Ayed , Marco Pedersoli , Jose Dolz

Research in texture recognition often concentrates on the problem of material recognition in uncluttered conditions, an assumption rarely met by applications. In this work we conduct a first study of material and describable texture at-…

Computer Vision and Pattern Recognition · Computer Science 2015-07-10 Mircea Cimpoi , Subhransu Maji , Andrea Vedaldi

The accurate semantic segmentation of tree crowns within remotely sensed data is crucial for scientific endeavours such as forest management, biodiversity studies, and carbon sequestration quantification. However, precise segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Georgios Voulgaris

In this paper, we address the challenge of segmenting global contaminants in large images. The precise delineation of such structures requires ample global context alongside understanding of textural patterns. CNNs specialise in the latter,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Felix Richards , Adeline Paiement , Xianghua Xie , Elisabeth Sola , Pierre-Alain Duc

Convolutional neural networks have shown successful results in image classification achieving real-time results superior to the human level. However, texture images still pose some challenge to these models due, for example, to the limited…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Lucas O. Lyra , Antonio Elias Fabris , Joao B. Florindo

This paper presents a new method for dynamic texture recognition based on spatiotemporal Gabor filters. Dynamic textures have emerged as a new field of investigation that extends the concept of self-similarity of texture image to the…

Computer Vision and Pattern Recognition · Computer Science 2012-01-18 Wesley Nunes Gonçalves , Bruno Brandoli Machado , Odemir Martinez Bruno

Gabor wavelet is an essential tool for image analysis and computer vision tasks. Local structure tensors with multiple scales are widely used in local feature extraction. Our research indicates that the current corner detection method based…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Huaqing Wang , Junfeng Jing , Ning Li , Weichuan Zhang , Chao Liu

Facial Expression Recognition (FER) is vital for understanding interpersonal communication. However, existing classification methods often face challenges such as vulnerability to noise, imbalanced datasets, overfitting, and generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Hozaifa Kassab , Mohamed Bahaa , Ali Hamdi

We aim to provide a computationally cheap yet effective approach for fine-grained image classification (FGIC) in this letter. Unlike previous methods that rely on complex part localization modules, our approach learns fine-grained features…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Wei Luo , Hengmin Zhang , Jun Li , Xiu-Shen Wei

Graph Neural Networks (GNNs) have been a latest hot research topic in data science, due to the fact that they use the ubiquitous data structure graphs as the underlying elements for constructing and training neural networks. In a GNN, each…

Machine Learning · Computer Science 2024-09-05 Deepak Bhaskar Acharya , Huaming Zhang

Over the past few years, a significant progress has been made in deep convolutional neural networks (CNNs)-based image recognition. This is mainly due to the strong ability of such networks in mining discriminative object pose and parts…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

This paper introduces an efficient edge detection method based on Gabor filter and rough clustering. The input image is smoothed by Gabor function, and the concept of rough clustering is used to focus on edge detection with soft…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Chandranath Adak

Ultra-fine-grained image recognition (UFGIR) categorizes objects with extremely small differences between classes, such as distinguishing between cultivars within the same species, as opposed to species-level classification in fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Edwin Arkel Rios , Femiloye Oyerinde , Min-Chun Hu , Bo-Cheng Lai

An automatic method for the selection of subsets of images, both modern and historic, out of a set of landmark large images collected from the Internet is presented in this paper. This selection depends on the extraction of dominant…

Computer Vision and Pattern Recognition · Computer Science 2015-04-09 Heider K. Ali , Anthony Whitehead

Fine-grained image recognition is very challenging due to the difficulty of capturing both semantic global features and discriminative local features. Meanwhile, these two features are not easy to be integrated, which are even conflicting…

Computer Vision and Pattern Recognition · Computer Science 2021-02-22 Shaokang Yang , Shuai Liu , Cheng Yang , Changhu Wang