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Feature means countenance, remote sensing scene objects with similar characteristics, associated to interesting scene elements in the image formation process. They are classified into three types in image processing, that is low, middle and…

Computer Vision and Pattern Recognition · Computer Science 2013-07-18 T. Dharani , I. Laurence Aroquiaraj

This paper aims to improve the accuracy of texture classification based on extracting texture features using five different texture methods and classifying the patterns using a naive Bayesian classifier. Three statistical-based and two…

Computer Vision and Pattern Recognition · Computer Science 2015-12-31 Omar Al-Kadi

Image downscaling is one of the widely used operations in image processing and computer graphics. It was recently demonstrated in the literature that kernel-based convolutional filters could be modified to develop efficient image…

Image and Video Processing · Electrical Eng. & Systems 2023-01-18 Sanjay Ghosh , Arpan Garai

Objective measures of image quality generally operate by comparing pixels of a "degraded" image to those of the original. Relative to human observers, these measures are overly sensitive to resampling of texture regions (e.g., replacing one…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

Texture plays a vital role in enhancing visual richness in both real photographs and computer-generated imagery. However, the process of editing textures often involves laborious and repetitive manual adjustments of textons, which are the…

Graphics · Computer Science 2024-09-24 Peihan Tu , Li-Yi Wei , Matthias Zwicker

This work proposes a novel method based on a pseudo-parabolic diffusion process to be employed for texture recognition. The proposed operator is applied over a range of time scales giving rise to a family of images transformed by nonlinear…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Jardel Vieira , Eduardo Abreu , Joao B. Florindo

In this paper, we proposed an effective face feature extraction method by Learning Gabor Log-Euclidean Gaussian with Whitening Principal Component Analysis (WPCA), called LGLG-WPCA. The proposed method learns face features from the embedded…

Computer Vision and Pattern Recognition · Computer Science 2019-06-10 Chaorong Li , Huang Wei , Huafu Chen

A common strategy in variational image recovery is utilizing the nonlocal self-similarity (NSS) property, when designing energy functionals. One such contribution is nonlocal structure tensor total variation (NLSTV), which lies at the core…

Image and Video Processing · Electrical Eng. & Systems 2024-11-12 Ezgi Demircan-Tureyen , Mustafa E. Kamasak

Comparing images to recommend items from an image-inventory is a subject of continued interest. Added with the scalability of deep-learning architectures the once `manual' job of hand-crafting features have been largely alleviated, and…

Information Retrieval · Computer Science 2017-11-15 Y Qian , E Vazquez , B Sengupta

Tree structured graphical models are powerful at expressing long range or hierarchical dependency among many variables, and have been widely applied in different areas of computer science and statistics. However, existing methods for…

Machine Learning · Statistics 2014-01-17 Le Song , Han Liu , Ankur Parikh , Eric Xing

Texture classification is a pivotal task in computer vision, presenting unique challenges due to high inter-class similarity and the sensitivity of structural patterns to scale and illumination changes. While Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Joao B Florindo

Distinguishing between computer-generated (CG) and natural photographic (PG) images is of great importance to verify the authenticity and originality of digital images. However, the recent cutting-edge generation methods enable high…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Qiang Xu , Shan Jia , Xinghao Jiang , Tanfeng Sun , Zhe Wang , Hong Yan

This paper presents a novel approach combining convolutional layers (CLs) and large-margin metric learning for training supervised models on small datasets for texture classification. The core of such an approach is a loss function that…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Jonathan de Matos , Luiz Eduardo Soares de Oliveira , Alceu de Souza Britto Junior , Alessandro Lameiras Koerich

Image retrieval relies heavily on the quality of the data modeling and the distance measurement in the feature space. Building on the concept of image manifold, we first propose to represent the feature space of images, learned via neural…

Machine Learning · Computer Science 2020-11-20 Haoyu Dong , Ze Wang , Qiang Qiu , Guillermo Sapiro

In this paper, we present a novel approach for image retrieval based on extraction of low level features using techniques such as Directional Binary Code, Haar Wavelet transform and Histogram of Oriented Gradients. The DBC texture…

Computer Vision and Pattern Recognition · Computer Science 2015-03-13 Nagaraja S. , Prabhakar C. J.

In this paper, a new texture descriptor based on the local neighborhood intensity difference is proposed for content based image retrieval (CBIR). For computation of texture features like Local Binary Pattern (LBP), the center pixel in a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Prithaj Banerjee , Ayan Kumar Bhunia , Avirup Bhattacharyya , Partha Pratim Roy , Subrahmanyam Murala

In this study, we investigate in-shop clothing retrieval performance of densely-connected Capsule Networks with dynamic routing. To achieve this, we propose Triplet-based design of Capsule Network architecture with two different feature…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Furkan Kınlı , Barış Özcan , Furkan Kıraç

Architectures based on siamese networks with triplet loss have shown outstanding performance on the image-based similarity search problem. This approach attempts to discriminate between positive (relevant) and negative (irrelevant) items.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Anibal Fuentes , Jose M. Saavedra

Local binary pattern (LBP) as a kind of local feature has shown its simplicity, easy implementation and strong discriminating power in image recognition. Although some LBP variants are specifically investigated for color image recognition,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Bin Xiao , Tao Geng , Xiuli Bi , Weisheng Li

In specific scenarios, face sketch can be used to identify a person. However, drawing a face sketch often requires exceptional skill and is time-consuming, limiting its widespread applications in actual scenarios. The new framework of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Liang Wang , Dawei Dai , Shiyu Fu , Guoyin Wang