Results 41 to 50 of about 265,195 (378)

Research on adaptive rate control algorithm for H.264 based on R-Q model

open access: yesTongxin xuebao, 2012
The foundation theory of rate control theory in H.264 video coding standard was analyzed.The latest research work about rate control algorithm were summarized.On the basis of analysis.A novel frame-level rate control algorithm was proposed.Firstly,in ...
Xin-zi ZHENG, Bing-qing LUO, Zhi-xin SUN
doaj   +2 more sources

On the impact of the GOP size in a temporal H.264/AVC-to-SVC transcoder in baseline and main profile [PDF]

open access: yes, 2013
Scalable video coding is a recent extension of the advanced video coding H.264/AVC standard developed jointly by ISO/IEC and ITU-T, which allows adapting the bitstream easily by dropping parts of it named layers.
Cuenca, Pedro   +6 more
core   +1 more source

Imaging of Biphoton States: Fundamentals and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum states of two photons exhibit a rich polarization and spatial structure, which provides a fundamental resource of strongly correlated and entangled states. This review analyzes the physics of these intriguing properties and explores the various techniques and technologies available to measure them, including the state of the art of their ...
Alessio D'Errico, Ebrahim Karimi
wiley   +1 more source

An evolutionary strategy based motion estimation algorithm for H.264 video codecs [PDF]

open access: yes
In this paper, we propose a new motion estimation algorithm based on evolutionary strategy (ES) for the H.264 video codec applied to monoscopic video. The proposed technique applies in macroblock basis and performs a parallel local search for the motion ...
Adedoyin, S   +4 more
core   +1 more source

Motion estimation and CABAC VLSI co-processors for real-time high-quality H.264/AVC video coding [PDF]

open access: yes, 2010
Real-time and high-quality video coding is gaining a wide interest in the research and industrial community for different applications. H.264/AVC, a recent standard for high performance video coding, can be successfully exploited in several scenarios ...
Casula, M.   +4 more
core   +1 more source

Electrocatalytic Reduction of CO2 to Ethylene: Catalyst Design and Synchrotron‐Based Characterizations

open access: yesAdvanced Functional Materials, EarlyView.
This review evaluates strategies for electrochemical CO2 reduction to ethylene, focusing on copper‐based catalyst design and microenvironment modulation to achieve industrial‐grade performance. By leveraging operando synchrotron‐based characterizations, we provide a multiscale understanding of dynamic structural transformations and key reaction ...
Meng Zhang, Zuolong Chen, Yimin A. Wu
wiley   +1 more source

VIDEO SCRAMBLING

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2019
Video encryption algorithms of MPEG family with embedded unauthorized access preventing support and proposes an original video data protection technique based on scrambling using long period random sequence when source video sequence is being encoded ...
N. A. Laurynovich
doaj  

Metal–Organic Frameworks for Gaseous Pollutant Management: From Capture to Neutralization and Reutilization

open access: yesAdvanced Functional Materials, EarlyView.
This review maps how MOFs can manage hazardous gases by combining adsorption, neutralization, and reutilization, enabling sustainable air‐pollution control. Covering chemical warfare agent simulants, SO2, NOx, NH3, H2S, and volatile organic compounds, it highlights structure‐guided strategies that boost selectivity, water tolerance, and cycling ...
Yuanmeng Tian   +8 more
wiley   +1 more source

Atomic Layer Deposition in Transistors and Monolithic 3D Integration

open access: yesAdvanced Functional Materials, EarlyView.
Transistors are fundamental building blocks of modern electronics. This review summarizes recent progress in atomic layer deposition (ALD) for the synthesis of two‐dimensional (2D) metal oxides and transition‐metal dichalcogenides (TMDCs), with particular emphasis on their enabling role in monolithic three‐dimensional (M3D) integration for next ...
Yue Liu   +5 more
wiley   +1 more source

AN EFFICIENT WATERMARKING SCHEME FOR H.264/AVC COMPRESSED VIDEO [PDF]

open access: yesICTACT Journal on Image and Video Processing, 2014
Since H.264/AVC is the most widely-deployed video coding standard and has gained dominance, the necessity of copyright protection and authentication that are appropriate for this standard is unquestionable.
Dawen Xu
doaj  

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