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Due to the rapid development of World Wide Web (WWW) and imaging technology, more and more images are available in the Internet and stored in databases. Searching the related images by the querying image is becoming tedious and difficult.…

计算机视觉与模式识别 · 计算机科学 2010-08-20 Md. Saiful Islam , Md. Haider Ali

Accurate image segmentation remains challenging, particularly in generating sharp, confident boundaries. While modern architectures have advanced the field, many of them still rely on standard loss functions like Cross-Entropy and Dice,…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Adam Dawid Sztamborski , Raül Pérez-Gonzalo , Antonio Agudo

Deep hashing enables image retrieval by end-to-end learning of deep representations and hash codes from training data with pairwise similarity information. Subject to the distribution skewness underlying the similarity information, most…

计算机视觉与模式识别 · 计算机科学 2018-09-06 Zhangjie Cao , Ziping Sun , Mingsheng Long , Jianmin Wang , Philip S. Yu

This paper presents a deep learning approach for image retrieval and pattern spotting in digital collections of historical documents. First, a region proposal algorithm detects object candidates in the document page images. Next, deep…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Caio da S. Dias , Alceu de S. Britto , Jean P. Barddal , Laurent Heutte , Alessandro L. Koerich

This paper uses network packet capture data to demonstrate how Robust Principal Component Analysis (RPCA) can be used in a new way to detect anomalies which serve as cyber-network attack indicators. The approach requires only a few…

密码学与安全 · 计算机科学 2018-01-08 Randy Paffenroth , Kathleen Kay , Les Servi

Due to its fast retrieval and storage efficiency capabilities, hashing has been widely used in nearest neighbor retrieval tasks. By using deep learning based techniques, hashing can outperform non-learning based hashing technique in many…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Zhan Yang , Osolo Ian Raymond , WuQing Sun , Jun Long

With the rapid growth of web images, hashing has received increasing interests in large scale image retrieval. Research efforts have been devoted to learning compact binary codes that preserve semantic similarity based on labels. However,…

计算机视觉与模式识别 · 计算机科学 2015-04-21 Fang Zhao , Yongzhen Huang , Liang Wang , Tieniu Tan

In the real world, the degradation of images taken under haze can be quite complex, where the spatial distribution of haze is varied from image to image. Recent methods adopt deep neural networks to recover clean scenes from hazy images…

计算机视觉与模式识别 · 计算机科学 2021-11-19 Tian Ye , Mingchao Jiang , Yunchen Zhang , Liang Chen , Erkang Chen , Pen Chen , Zhiyong Lu

With the large-scale explosion of images and videos over the internet, efficient hashing methods have been developed to facilitate memory and time efficient retrieval of similar images. However, none of the existing works uses hashing to…

计算机视觉与模式识别 · 计算机科学 2019-06-06 Ayan Kumar Bhunia , Perla Sai Raj Kishore , Pranay Mukherjee , Abhirup Das , Partha Pratim Roy

Similarity-preserving hashing is a commonly used method for nearest neighbour search in large-scale image retrieval. For image retrieval, deep-networks-based hashing methods are appealing since they can simultaneously learn effective image…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Hanjiang Lai , Pan Yan , Xiangbo Shu , Yunchao Wei , Shuicheng Yan

Several recent works have shown that image descriptors produced by deep convolutional neural networks provide state-of-the-art performance for image classification and retrieval problems. It has also been shown that the activations from the…

计算机视觉与模式识别 · 计算机科学 2015-10-27 Artem Babenko , Victor Lempitsky

Hyperspectral images provide abundant spatial and spectral information that is very valuable for material detection in diverse areas of practical science. The high-dimensions of data lead to many processing challenges that can be addressed…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Saeideh Ghanbari Azar , Saeed Meshgini , Tohid Yousefi Rezaii , Soosan Beheshti

We consider the decomposition of a data matrix assumed to be a superposition of a low-rank matrix and a component which is sparse in a known dictionary, using a convex demixing method. We consider two sparsity structures for the sparse…

机器学习 · 计算机科学 2020-07-01 Sirisha Rambhatla , Xingguo Li , Jineng Ren , Jarvis Haupt

Learning compact binary codes for image retrieval problem using deep neural networks has recently attracted increasing attention. However, training deep hashing networks is challenging due to the binary constraints on the hash codes. In…

计算机视觉与模式识别 · 计算机科学 2019-09-02 Thanh-Toan Do , Tuan Hoang , Dang-Khoa Le Tan , Anh-Dzung Doan , Ngai-Man Cheung

Current top-performing blind perceptual image quality prediction models are generally trained on legacy databases of human quality opinion scores on synthetically distorted images. Therefore they learn image features that effectively…

计算机视觉与模式识别 · 计算机科学 2016-09-16 Deepti Ghadiyaram , Alan C. Bovik

In this paper, we propose an approach for learning binary hash codes for image retrieval. Canonical Correlation Analysis (CCA) is used to design two loss functions for training a neural network such that the correlation between the two…

图像与视频处理 · 电气工程与系统科学 2021-06-14 Abin Jose , Daniel Filbert , Christian Rohlfing , Jens-Rainer Ohm

For multivariate data, tandem clustering is a well-known technique aiming to improve cluster identification through initial dimension reduction. Nevertheless, the usual approach using principal component analysis (PCA) has been criticized…

统计方法学 · 统计学 2024-03-26 Andreas Alfons , Aurore Archimbaud , Klaus Nordhausen , Anne Ruiz-Gazen

Hashing technology has been widely used in image retrieval due to its computational and storage efficiency. Recently, deep unsupervised hashing methods have attracted increasing attention due to the high cost of human annotations in the…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Qinghong Lin , Xiaojun Chen , Qin Zhang , Shangxuan Tian , Yudong Chen

Content-based file matching has been widely deployed for decades, largely for the detection of sources of copyright infringement, extremist materials, and abusive sexual media. Perceptual hashes, such as Microsoft's PhotoDNA, are one…

密码学与安全 · 计算机科学 2022-12-16 Sean McKeown , William J Buchanan

Learning compact representation is vital and challenging for large scale multimedia data. Cross-view/cross-modal hashing for effective binary representation learning has received significant attention with exponentially growing availability…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Liu Liu , Hairong Qi