Results 21 to 30 of about 4,905,462 (386)

Penerapan Metode Localization Tampering dan Hashing untuk Deteksi Rekayasa Video Digital

open access: yesJurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 2021
The development of digital video technology which is increasingly advanced makes digital video engineering crimes prone to occur. The change in digital video has changed information communication, and it is easy to use in digital crime.
Alfiansyah Imanda Putra Alfian   +2 more
doaj   +1 more source

Compressive sensing-based channel estimation for SC-FDE system

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
The channel of wireless broadband communication system usually features time domain sparsity. The channel estimation of single carrier frequency domain equalization (SC-FDE) system was modeled as compressive sensing (CS)-based reconstruction of sparse ...
Lu Si, Xinle Yu, Hang Yin, Weizhang Xu
doaj   +1 more source

Deterministic pilot pattern allocation optimization for sparse channel estimation based on CS theory in OFDM system

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
Compressed sensing (CS)-based sparse channel estimation requires the sensing matrix with the minimum mutual coherence (MC), and its corresponding pilot pattern obtain optimal estimation performance.
Yang Nie, Xinle Yu, Zhanxin Yang
doaj   +1 more source

Interactive searching and browsing of video archives: using text and using image matching [PDF]

open access: yes, 2006
Over the last number of decades much research work has been done in the general area of video and audio analysis. Initially the applications driving this included capturing video in digital form and then being able to store, transmit and render it ...
Gurrin, Cathal   +2 more
core   +1 more source

Encryption and Compression Digital Video Files using Artificial Neural Networks and Genetic Algorithm [PDF]

open access: yesمجلة التربية والعلم, 2019
The research and studies of encryption and compression of digital files to the confidentiality and ease of dealing with networks and the Internet, by reducing the size of files transmitted through multimedia, and also used to increase the confidentiality
Hasan Anwer
doaj   +1 more source

Multimodal stance and engagement in digital video methods articles

open access: yesIbérica, 2023
The proliferation of digital media technologies has led to fundamental changes in the way that we communicate, changes that have also been felt in the realm of scholarly communication.
Christoph Hafner
doaj   +1 more source

Digital watermarking for video [PDF]

open access: yesProceedings of 13th International Conference on Digital Signal Processing, 2002
An MPEG-based technique for embedding digital "watermarks" into digital video is proposed. The watermarking technique has been proposed as a method of hiding secret information in the signals so as to discourage unauthorized copying or attest the origin of the media.
Hzu, Chiou-Tung, Wu, Ja-Ling
openaire   +3 more sources

An Overview of Digital Video Watermarking

open access: yesIEEE transactions on circuits and systems for video technology (Print), 2018
The illegal distribution of a digital movie is a common and significant threat to the film industry. With the advent of high-speed broadband Internet access, a pirated copy of a digital video can now be easily distributed to a global audience. A possible
Md. Asikuzzaman, M. Pickering
semanticscholar   +1 more source

Mining Contextual Information for Ephemeral Digital Video Preservation

open access: yesInternational Journal of Digital Curation, 2009
For centuries the archival community has understood and practiced the art of adding contextual information while preserving an artifact. The question now is how these practices can be transferred to the digital domain.
Chirag Shah
doaj   +11 more sources

Video adaptation for mobile digital television [PDF]

open access: yes, 2010
Mobile digital television is one of the new services introduced recently by telecommunications operators in the market. Due to the possibilities of personalization and interaction provided, together with the increasing demand of this type of portable ...
Cuenca, Pedro   +6 more
core   +2 more sources

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