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Fine-grained hashing has become a powerful solution for rapid and efficient image retrieval, particularly in scenarios requiring high discrimination between visually similar categories. To enable each hash bit to correspond to specific…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Peng Wang , Yong Li , Lin Zhao , Xiu-Shen Wei

Traditional image classification techniques often produce unsatisfactory results when applied to high spatial resolution data because classes in high resolution images are not spectrally homogeneous. Texture offers an alternative source of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Decky Aspandi-Latif , Sally Goldin , Preesan Rakwatin , Kurt Rudahl

Background image subtraction algorithm is a common approach which detects moving objects in a video sequence by finding the significant difference between the video frames and the static background model. This paper presents a developed…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Mohamed Shehata , Reda Abo-Al-Ez , Farid Zaghlool , Mohamed Taha Abou-Kreisha

In image retrieval, deep local features learned in a data-driven manner have been demonstrated effective to improve retrieval performance. To realize efficient retrieval on large image database, some approaches quantize deep local features…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Hui Wu , Min Wang , Wengang Zhou , Yang Hu , Houqiang Li

Learning powerful feature representations for image retrieval has always been a challenging task in the field of remote sensing. Traditional methods focus on extracting low-level hand-crafted features which are not only time-consuming but…

Computer Vision and Pattern Recognition · Computer Science 2017-05-22 Weixun Zhou , Shawn Newsam , Congmin Li , Zhenfeng Shao

This paper investigates the possibility of reconstruction of images considering that they are sparse in the DCT transformation domain. Two approaches are considered. One when the image is pre-processed in the DCT domain, using 8x8 blocks.…

Computer Vision and Pattern Recognition · Computer Science 2014-07-15 Isidora Stanković

The objective of image manipulation detection is to identify and locate the manipulated regions in the images. Recent approaches mostly adopt the sophisticated Convolutional Neural Networks (CNNs) to capture the tampering artifacts left in…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Wenyan Pan , Zhili Zhou , Miaogen Ling , Xin Geng , Q. M. Jonathan Wu

The local descriptors have gained wide range of attention due to their enhanced discriminative abilities. It has been proved that the consideration of multi-scale local neighborhood improves the performance of the descriptor, though at the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Shiv Ram Dubey , Snehasis Mukherjee

In recent years, deep learning has achieved remarkable success in the field of image restoration. However, most convolutional neural network-based methods typically focus on a single scale, neglecting the incorporation of multi-scale…

Image and Video Processing · Electrical Eng. & Systems 2025-02-27 Jiatao Jiang , Zhen Cui , Chunyan Xu , Jian Yang

In hyperspectral remote sensing data mining, it is important to take into account of both spectral and spatial information, such as the spectral signature, texture feature and morphological property, to improve the performances, e.g., the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Lefei Zhang , Qian Zhang , Bo Du , Xin Huang , Yuan Yan Tang , Dacheng Tao

To efficiently compress the sign information of images, we address a sign retrieval problem for the block-wise discrete cosine transformation (DCT): reconstruction of the signs of DCT coefficients from their amplitudes. To this end, we…

Information Theory · Computer Science 2025-07-08 Fuma Ito , Chihiro Tsutake , Keita Takahashi , Toshiaki Fujii

The present research scholars are having keen interest in doing their research activities in the area of Data mining all over the world. Especially, [13]Mining Image data is the one of the essential features in this present scenario since…

Computer Vision and Pattern Recognition · Computer Science 2010-12-02 A. Kannan , V. Mohan , N. Anbazhagan

For tiny obstacle discovery in a monocular image, edge is a fundamental visual element. Nevertheless, because of various reasons, e.g., noise and similar color distribution with background, it is still difficult to detect the edges of tiny…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Feng Xue , Anlong Ming , Menghan Zhou , Yu Zhou

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

This paper provides an extensive study on the availability of image representations based on convolutional networks (ConvNets) for the task of visual instance retrieval. Besides the choice of convolutional layers, we present an efficient…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Ali Sharif Razavian , Josephine Sullivan , Stefan Carlsson , Atsuto Maki

RGB-D semantic segmentation can be advanced with convolutional neural networks due to the availability of Depth data. Although objects cannot be easily discriminated by just the 2D appearance, with the local pixel difference and geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Jun Yang , Lizhi Bai , Yaoru Sun , Chunqi Tian , Maoyu Mao , Guorun Wang

Region-based image retrieval (RBIR) technique is revisited. In early attempts at RBIR in the late 90s, researchers found many ways to specify region-based queries and spatial relationships; however, the way to characterize the regions, such…

Multimedia · Computer Science 2017-09-27 Ryota Hinami , Yusuke Matsui , Shin'ichi Satoh

Indoor image features extraction is a fundamental problem in multiple fields such as image processing, pattern recognition, robotics and so on. Nevertheless, most of the existing feature extraction methods, which extract features based on…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Chiranjibi Sitaula , Yong Xiang , Yushu Zhang , Xuequan Lu , Sunil Aryal

Underwater object detection suffers from low detection performance because the distance and wavelength dependent imaging process yield evident image quality degradations such as haze-like effects, low visibility, and color distortions.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Chenping Fu , Xin Fan , Jiewen Xiao , Wanqi Yuan , Risheng Liu , Zhongxuan Luo

Image restoration aims to recover the high-quality images from their degraded observations. Since most existing methods have been dedicated into single degradation removal, they may not yield optimal results on other types of degradations,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Hu Gao , Depeng Dang