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Minimax distance measure extracts the underlying patterns and manifolds in an unsupervised manner. The existing methods require a quadratic memory with respect to the number of objects. In this paper, we investigate efficient sampling…

机器学习 · 计算机科学 2020-05-27 Fazeleh Sadat Hoseini , Morteza Haghir Chehreghani

To work at scale, a complete image indexing system comprises two components: An inverted file index to restrict the actual search to only a subset that should contain most of the items relevant to the query; An approximate distance…

计算机视觉与模式识别 · 计算机科学 2017-12-14 Himalaya Jain , Joaquin Zepeda , Patrick Pérez , Rémi Gribonval

The increasing realism of generated images has raised significant concerns about their potential misuse, necessitating robust detection methods. Current approaches mainly rely on training binary classifiers, which depend heavily on the…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Yonggang Zhang , Jun Nie , Xinmei Tian , Mingming Gong , Kun Zhang , Bo Han

Manifold learning methods are an invaluable tool in today's world of increasingly huge datasets. Manifold learning algorithms can discover a much lower-dimensional representation (embedding) of a high-dimensional dataset through non-linear…

机器学习 · 计算机科学 2021-08-24 Andrew Lensen , Bing Xue , Mengjie Zhang

Tensor networks provide an efficient approximation of operations involving high dimensional tensors and have been extensively used in modelling quantum many-body systems. More recently, supervised learning has been attempted with tensor…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Raghavendra Selvan , Erik B Dam , Jens Petersen

Learning the manifold structure of remote sensing images is of paramount relevance for modeling and understanding processes, as well as to encapsulate the high dimensionality in a reduced set of informative features for subsequent…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Gulsen Taskin , Gustau Camps-Valls

The importance of developing efficient image denoising methods is immense especially for modern applications such as image comparisons, image monitoring, medical image diagnostics, and so forth. Available methods in the vast literature on…

应用统计 · 统计学 2025-08-26 Subhasish Basak , Partha Sarathi Mukherjee

Face is one of the most important things for communication with the world around us. It also forms our identity and expressions. Estimating the face structure is a fundamental task in computer vision with applications in different areas…

计算机视觉与模式识别 · 计算机科学 2019-10-07 Kimia Dinashi , Ramin Toosi , Mohammad Ali Akhaee

The representative instance segmentation methods mostly segment different object instances with a mask of the fixed resolution, e.g., 28*28 grid. However, a low-resolution mask loses rich details, while a high-resolution mask incurs…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Ruihuang Li , Chenhang He , Shuai Li , Yabin Zhang , Lei Zhang

Deep convolutional neural networks require large amounts of labeled data samples. For many real-world applications, this is a major limitation which is commonly treated by augmentation methods. In this work, we address the problem of…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Christoph Reinders , Frederik Schubert , Bodo Rosenhahn

In this work, we propose a new unsupervised image segmentation approach based on mutual information maximization between different constructed views of the inputs. Taking inspiration from autoregressive generative models that predict the…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Yassine Ouali , Céline Hudelot , Myriam Tami

Learning based hashing methods have attracted considerable attention due to their ability to greatly increase the scale at which existing algorithms may operate. Most of these methods are designed to generate binary codes preserving the…

计算机视觉与模式识别 · 计算机科学 2016-01-20 Fumin Shen , Chunhua Shen , Qinfeng Shi , Anton van den Hengel , Zhenmin Tang , Heng Tao Shen

Image segmentation is often performed on medical images for identifying diseases in clinical evaluation. Hence it has become one of the major research areas. Conventional image segmentation techniques are unable to provide satisfactory…

计算机视觉与模式识别 · 计算机科学 2017-02-13 Pratik Kalshetti , Manas Bundele , Parag Rahangdale , Dinesh Jangra , Chiranjoy Chattopadhyay , Gaurav Harit , Abhay Elhence

Snapshot compressive imaging (SCI) refers to the recovery of three-dimensional data cubes-such as videos or hyperspectral images-from their two-dimensional projections, which are generated by a special encoding of the data with a mask. SCI…

信息论 · 计算机科学 2025-02-05 Mengyu Zhao , Shirin Jalali

Generative transformers have experienced rapid popularity growth in the computer vision community in synthesizing high-fidelity and high-resolution images. The best generative transformer models so far, however, still treat an image naively…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Huiwen Chang , Han Zhang , Lu Jiang , Ce Liu , William T. Freeman

Image steganography is the process of concealing secret information in images through imperceptible changes. Recent work has formulated this task as a classic constrained optimization problem. In this paper, we argue that image…

图像与视频处理 · 电气工程与系统科学 2023-03-30 Xiangyu Chen , Varsha Kishore , Kilian Q Weinberger

Inpainting arbitrary missing regions is challenging because learning valid features for various masked regions is nontrivial. Though U-shaped encoder-decoder frameworks have been witnessed to be successful, most of them share a common…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Manyu Zhu , Dongliang He , Xin Li , Chao Li , Fu Li , Xiao Liu , Errui Ding , Zhaoxiang Zhang

We demonstrate that modern image recognition methods based on artificial neural networks can recover hidden information from images protected by various forms of obfuscation. The obfuscation techniques considered in this paper are mosaicing…

密码学与安全 · 计算机科学 2016-09-08 Richard McPherson , Reza Shokri , Vitaly Shmatikov

This paper addresses about various image compression techniques. On the basis of analyzing the various image compression techniques this paper presents a survey of existing research papers. In this paper we analyze different types of…

信息论 · 计算机科学 2013-11-28 Gaurav Vijayvargiya , Sanjay Silakari , Rajeev Pandey

Astronomical images often have regions with missing or unwanted information, such as bad pixels, bad columns, cosmic rays, masked objects, or residuals from imperfect model subtractions. In certain situations it can be essential, or…

天体物理仪器与方法 · 物理学 2024-02-06 Pieter van Dokkum , Imad Pasha