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In this work we explore the possibility of applying machine learning methods designed for one-dimensional problems to the task of galaxy image classification. The algorithms used for image classification typically rely on multiple costly…

星系天体物理 · 物理学 2022-02-23 F. Tarsitano , C. Bruderer , K. Schawinski , W. G. Hartley

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

Feature extraction in noisy image datasets presents many challenges in model reliability. In this paper, we use the discrete Fourier transform in conjunction with persistent homology analysis to extract specific frequencies that correspond…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Anil Chintapalli , Peter Tenholder , Henry Chen , Arjun Rao

Cloud computing is a popular distributed network and utility model based technology. Since in cloud the data is outsourced to third parties, the protection of confidentiality and privacy of user data becomes important. Different methods for…

密码学与安全 · 计算机科学 2015-05-14 B. T. Prasanna , C. B. Akki

Camera sensors are increasingly being combined with machine learning to perform various tasks such as intelligent surveillance. Due to its computational complexity, most of these machine learning algorithms are offloaded to the cloud for…

计算机视觉与模式识别 · 计算机科学 2022-08-29 Sander De Coninck , Wei-Cheng Wang , Sam Leroux , Pieter Simoens

This study examines various feature extraction techniques in computer vision, the primary focus of which is on Vision Transformers (ViTs) and other approaches such as Generative Adversarial Networks (GANs), deep feature models, traditional…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Venant Niyonkuru , Sylla Sekou , Jimmy Jackson Sinzinkayo

The privacy of data is a major challenge in machine learning as a trained model may expose sensitive information of the enclosed dataset. Besides, the limited computation capability and capacity of edge devices have made cloud-hosted…

机器学习 · 计算机科学 2020-05-15 Behnam Khaleghi , Mohsen Imani , Tajana Rosing

In this paper, we propose a privacy-preserving image classification method using encrypted images under the use of the ConvMixer structure. Block-wise scrambled images, which are robust enough against various attacks, have been used for…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Zheng Qi , AprilPyone MaungMaung , Hitoshi Kiya

Joint encryption and compression is an ideal solution for protecting security and privacy of image data in a real scenario, e.g. storing them on an existing cloud-based service like Facebook. Recently, some block-wise…

密码学与安全 · 计算机科学 2023-05-09 Chengqing Li , Sheng Liu

Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

We propose a practical framework to address the problem of privacy-aware image sharing in large-scale setups. We argue that, while compactness is always desired at scale, this need is more severe when trying to furthermore protect the…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Sohrab Ferdowsi , Behrooz Razeghi , Taras Holotyak , Flavio P. Calmon , Slava Voloshynovskiy

Image and video compression has traditionally been tailored to human vision. However, modern applications such as visual analytics and surveillance rely on computers seeing and analyzing the images before (or instead of) humans. For these…

图像与视频处理 · 电气工程与系统科学 2018-02-19 Hyomin Choi , Ivan V. Bajic

Composed Image Retrieval (CIR) enables image search by combining a reference image with modification text. Intrinsic noise in CIR triplets incurs intrinsic uncertainty and threatens the model's robustness. Probabilistic learning approaches…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Haomiao Tang , Jinpeng Wang , Minyi Zhao , Guanghao Meng , Ruisheng Luo , Long Chen , Shu-Tao Xia

With the wide/rapid spread of distributed systems for information processing, such as cloud computing and social networking, not only transmission but also processing is done on the internet. Therefore, a lot of studies on secure, efficient…

密码学与安全 · 计算机科学 2018-11-27 Hitoshi Kiya

We investigate a fundamental aspect of machine vision: the measurement of features, by revisiting clustering, one of the most classic approaches in machine learning and data analysis. Existing visual feature extractors, including ConvNets,…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Guikun Chen , Xia Li , Yi Yang , Wenguan Wang

Sharing images online poses security threats to a wide range of users due to the unawareness of privacy information. Deep features have been demonstrated to be a powerful representation for images. However, deep features usually suffer from…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Chiranjibi Sitaula , Yong Xiang , Sunil Aryal , Xuequan Lu

In this paper, we focus on the problem of category-level object pose estimation, which is challenging due to the large intra-category shape variation. 3D graph convolution (3D-GC) based methods have been widely used to extract local…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Linfang Zheng , Chen Wang , Yinghan Sun , Esha Dasgupta , Hua Chen , Ales Leonardis , Wei Zhang , Hyung Jin Chang

As image processing systems proliferate, privacy concerns intensify given the sensitive personal information contained in images. This paper examines privacy challenges in image processing and surveys emerging privacy-preserving techniques…

密码学与安全 · 计算机科学 2025-05-08 Maneesha , Bharat Gupta , Rishabh Sethi , Charvi Adita Das

This paper presents a new method to extract image low-level features, namely mix histogram (MH), for content-based image retrieval. Since color and edge orientation features are important visual information which help the human visual…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Mohammad Rezaei , Ali Ahmadi , Navid Naderi

Providing security in the transmission of images and other multimedia data has become one of the most important scientific and practical issues. In this paper, a method for compressing and encryption images is proposed, which can safely…

多媒体 · 计算机科学 2022-08-25 Mahdi Shariatzadeh , Mahdi Eftekhari , Mohammad Javad Rostami