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This article proposes a blockchain-based file storage system that utilizes DNA encryption for enhanced security. The system utilizes blockchain technology to provide decentralized and tamper-proof file storage, while DNA encryption is…

Cryptography and Security · Computer Science 2023-10-12 Onur Yıldırım

With the rapid advancement of Web 3.0 technologies, public blockchain platforms are witnessing the emergence of novel services designed to enhance user privacy and anonymity. However, the powerful untraceability features inherent in these…

Computational Engineering, Finance, and Science · Computer Science 2026-03-17 Miao Shuyi , Qiu Wangjie , Tu Xiaofan , Li Yunze , Wen Yongxin , Zheng Zhiming

From online education and trading, all aspects of our lives are affected by digital technology. Among them, the storage of music has also entered the digital era. Music productions created by artists have brought great joy to people.…

Cryptography and Security · Computer Science 2022-04-14 Isaac Adjei-Mensah , Isaac Osei Agyemang , Collins Sey , Linda Delali Fiasam , Abdulhaq Adetunji Salako

Video data is with complex temporal dynamics due to various factors such as camera motion, speed variation, and different activities. To effectively capture this diverse motion pattern, this paper presents a new temporal adaptive module…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Zhaoyang Liu , Limin Wang , Wayne Wu , Chen Qian , Tong Lu

Recent years have seen an increasing emphasis on information security, and various encryption methods have been proposed. However, for symmetric encryption methods, the well-known encryption techniques still rely on the key space to…

Cryptography and Security · Computer Science 2020-03-12 Xiang Li , Peng Wang

Much of the worlds data is streaming, time-series data, where anomalies give significant information in critical situations. Yet detecting anomalies in streaming data is a difficult task, requiring detectors to process data in real-time,…

Artificial Intelligence · Computer Science 2016-07-11 Subutai Ahmad , Scott Purdy

One of the main issues in digital forensics is the management of evidences. From the time of evidence collection until the time of their exploitation in a legal court, evidences may be accessed by multiple parties involved in the…

Cryptography and Security · Computer Science 2020-06-29 Silvia Bonomi , Marco Casini , Claudio Ciccotelli

Within a modern democratic nation, elections play a significant role in the nation's functioning. However, with the existing infrastructure for conducting elections using Electronic Voting Systems (EVMs), many loopholes exist, which…

Cryptography and Security · Computer Science 2023-07-18 Arnab Mukherjee , Souvik Majumdar , Anup Kumar Kolya , Saborni Nandi

A video can be represented as a sequence of tracklets, each spanning 10-20 frames, and associated with one entity (eg. a person). The task of \emph{Entity Discovery} in videos can be naturally posed as tracklet clustering. We approach this…

Computer Vision and Pattern Recognition · Computer Science 2015-02-09 Adway Mitra , Soma Biswas , Chiranjib Bhattacharyya

Pairwise temporal interactions between entities can be represented as temporal networks, which code the propagation of processes such as epidemic spreading or information cascades, evolving on top of them. The largest outcome of these…

Social and Information Networks · Computer Science 2023-07-12 Rémi Vaudaine , Pierre Borgnat , Paulo Goncalves , Rémi Gribonval , Márton Karsai

Rapid development of large language models (LLMs) has significantly advanced multimodal large language models (LMMs), particularly in vision-language tasks. However, existing video-language models often overlook precise temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Shimin Chen , Xiaohan Lan , Yitian Yuan , Zequn Jie , Lin Ma

The CNN-encoding of features from entire videos for the representation of human actions has rarely been addressed. Instead, CNN work has focused on approaches to fuse spatial and temporal networks, but these were typically limited to…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Ali Diba , Vivek Sharma , Luc Van Gool

Scalability is one of the main roadblocks to business adoption of blockchain systems. Despite recent intensive research on using sharding techniques to enhance the scalability of blockchain systems, existing solutions do not efficiently…

Databases · Computer Science 2020-02-18 Mohammad Javad Amiri , Divyakant Agrawal , Amr El Abbadi

Temporal Action Localization (TAL) is a challenging task in video understanding that aims to identify and localize actions within a video sequence. Recent studies have emphasized the importance of applying long-term temporal context…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Tuan N. Tang , Kwonyoung Kim , Kwanghoon Sohn

The goal of weakly supervised video anomaly detection is to learn a detection model using only video-level labeled data. However, prior studies typically divide videos into fixed-length segments without considering the complexity or…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Chen Zhang , Guorong Li , Yuankai Qi , Hanhua Ye , Laiyun Qing , Ming-Hsuan Yang , Qingming Huang

The inherent determinism of blockchain technology poses a significant challenge to generating secure random numbers within smart contracts, leading to exploitable vulnerabilities, particularly in decentralized finance (DeFi) ecosystems and…

Cryptography and Security · Computer Science 2025-10-22 Hadis Rezaei , Ahmed Afif Monrat , Karl Andersson , Francesco Flammini

Blockchain provides a decentralized and tamper-resistant ledger for securely recording transactions across a network of untrusted nodes. While its transparency and integrity are beneficial, the substantial storage requirements for…

Databases · Computer Science 2026-03-03 Ce Zhang , Cheng Xu , Haibo Hu , Jianliang Xu

Recent advancements in video generation models, like Stable Video Diffusion, show promising results, but primarily focus on short, single-scene videos. These models struggle with generating long videos that involve multiple scenes, coherent…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Weijia Wu , Mingyu Liu , Zeyu Zhu , Xi Xia , Haoen Feng , Wen Wang , Kevin Qinghong Lin , Chunhua Shen , Mike Zheng Shou

This paper introduces an online speaker diarization system that can handle long-time audio with low latency. We enable Agglomerative Hierarchy Clustering (AHC) to work in an online fashion by introducing a label matching algorithm. This…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-27 Yucong Zhang , Qinjian Lin , Weiqing Wang , Lin Yang , Xuyang Wang , Junjie Wang , Ming Li

Aiming to minimize service delay, we propose a new random caching scheme in device-to-device (D2D)-assisted heterogeneous network. To support diversified viewing qualities of multimedia video services, each video file is encoded into a base…

Networking and Internet Architecture · Computer Science 2021-07-07 Xuewei Zhang , Tiejun Lv , Yuan Ren , Wei Ni , Norman C. Beaulieu