... Lena [GIF=7.38 KB] Raw video Output video Encryption Decryption Encoding Decoding Encrypted encoded video Figure 2: Block diagram of an approach where encryption occurs before video encoding (compression) ... in analog video en-cryption Techniques such as scan line shuffling [25] or pixel position shuffling [26–28] represent common approaches for analog video encryption Similarly, in digital video encryp-tion ... encrypted video without crashing (3) Codec standard compliance A typical video system is likely to consist of a premanufactured standard-conforming encoder and decoder modules, and a video encryption
Ngày tải lên: 22/06/2014, 19:20
Digital video broadcasting (DVB)
... "Digital Video Broadcasting (DVB); Implementation guidelines for a second generation digital terrestrial television broadcasting system T2)" (DVB-[i.3] ETSI EN 102 773: " Digital Video ... [3] ETSI TS 102 606-1 and -2: "Digital Video Broadcasting (DVB); Generic Stream Encapsulation (GSE) Protocol" [4] ETSI TS 102 992: "Digital Video Broadcasting (DVB); Structure and ... [i.1] ETSI EN 302 755: "Digital Video Broadcasting (DVB); Frame structure channel coding and modulation for a second generation digital terrestrial television broadcasting system (DVB-T2)"
Ngày tải lên: 26/03/2020, 03:25
... Core Collection (BKCI) Chapter from the book Digital Video Downloaded from: http://www.intechopen.com/books/digital-video World's largest Science, Technology & Medicine Open Access book publisher ... limitations The DVB-T terrestrial digital video broadcasting standard (ETSI, 1997) is replacing the former analogue systems in many countries around the world The benefits of digital coding and transmission ... channel and noise Considering the physical level of the communications, the digital data sequences, which contain MPEG video, audio and other information streams, are transmitted using coded orthogonal
Ngày tải lên: 26/03/2020, 03:50
Digital video broadcasting (DVB) frame structure channel coding and modulation for a second generation digital terrestrial tele
... TS 101 162: "Digital Video Broadcasting (DVB); Allocation of identifiers and codes for Digital Video Broadcasting (DVB) systems" [2] ETSI TS 102 992: "Digital Video Broadcasting (DVB); ... [i.4] ETSI EN 300 468: "Digital Video Broadcasting (DVB); Specification for Service Information (SI) in DVB systems" [i.5] ETSI EN 300 744: "Digital Video Broadcasting (DVB); Framing ... ISO/IEC 13818-1: "Information technology - Generic coding of moving pictures and associated audio information: Systems" [i.2] ETSI TS 102 606: "Digital Video Broadcasting (DVB); Generic
Ngày tải lên: 20/05/2015, 20:55
Đề tài sử dụng phần mềm hệ thống truyền hình ảnh kỹthuật số (digital video transport system – DVTS)
... thuật số (Digital Video Transport System – DVTS) : Hệ thống đơn giản Kinh phí thấp Dễ sử dụng ( không cần đào tạo nhân lực) 1.2 Digital Video Transport System 1.2.1 Khái niệm Digital Video Transport ... dụng chuẩn nén Video H.264 và Audio HE-AAC Chuẩn nén H.264 có tỉ số nén cao nhưng vẫn không làm giảm nhiều chất lượng Video Người ta tính toán ra được đối với chuẩn nén H.264 khi Video có độ phân ... một bộ Từ những khó khăn trang thiết bị nêu trên, đã đưa ra giải pháp xây dựng ra hệ thống Digital Video Transport System(DVTS) có thể truyền hình ảnh, âm thanh chất lượng cao với các mục tiêu
Ngày tải lên: 10/12/2013, 18:19
Tài liệu Digital Signal Processing Handbook P68 pdf
... equalization of digital communication channels using higher order moments, IEEE Trans Acoust Speech, Signal Processing, SP-39(2), 522–526, Feb 1991 [34] Proakis, J.G., Digital Communications, ... co-channel digital signals using antenna arrays with applications to PCS, in Proc ICC’94, 700–794, 1994 [43] Talwar, S., Viberg, M and Paulraj, A., Blind separation of synchronous co-channel digital ... temporal structure in mobile communication signals is the finite alphabet. This structure underlies all digitally modulated schemes. The modulated signal is a linear or nonlinear map of an underlying
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... Trang 1Sayed, A.H & Rupp, M “Robustness Issues in Adaptive Filtering”Digital Signal Processing Handbook Ed Vijay K Madisetti and Douglas B Williams Boca Raton: CRC Press ... adaptive filter could be critical to the proposed application Moreover, tech-nological advancements in digital circuit and VLSI design have spurred an increase in the range ofnew adaptive filtering applications
Ngày tải lên: 13/12/2013, 00:15
Tài liệu Digital Signal Processing Handbook P31 pdf
... Trang 1Doherty, J.F “Channel Equalization as a Regularized Inverse Problem”Digital Signal Processing Handbook Ed Vijay K Madisetti and Douglas B Williams Boca Raton: CRC Press ... described next with a description of equalization techniques to follow The information transmitted by a digital communication system is comprised of a set of discrete symbols Likewise, the ultimate form ... the received information is cast into a discrete form However, the intermediate components of the digital communications system operate with continuous waveforms which carry the information The
Ngày tải lên: 22/12/2013, 21:17
Tài liệu Digital Signal Processing Handbook P27 pdf
... Trang 1Mammone, R.J & Zhang, X “Robust Speech Processing as an Inverse Problem”Digital Signal Processing Handbook Ed Vijay K Madisetti and Douglas B Williams Boca Raton: CRC Press ... tract It is nonstationary in that the vocal tract configuration changes over time A time-varying digital filter is generally used to describe the vocal tract characteristics The steady-state system
Ngày tải lên: 22/12/2013, 21:17
Tài liệu Digital Communication in Medical Practice pdf
... using information technology Digital Communication in Medical Practice provides an insightful, practical, thorough, and highly readable discussion of the roles that information technology can play ... interactions between proteins would not be possible without information technology vii Trang 7viii ForewordInformation technology can be applied to enable the complexity in healthcare Clinical ... Information technology can enable us to master the complexity of tion in healthcare This mastery will allow us to craft the healthcare delivery system that our patients and providers deserve Digital
Ngày tải lên: 16/02/2014, 22:20
Tài liệu RACE CAR AERODYNAMICS: KTH - ROYAL INSTITUTE OF TECHNOLOGY pdf
... Trang 1 Race Car Aerodynamics KTH - Royal Institute of Technology Stockholm - May 21*, 2010 Corrado CASIRAGHI Tatuus Racing Trang 2 Race Car Aerodynamics ... Tunnel, Track Test Trang 4Historic overview Race car evolution Downforce research: tire and engine technology are improved Race Car Aerodynamics - May 21%, 2010 Trang 5 se Race Car Evolution e
Ngày tải lên: 19/02/2014, 04:20
Pregnancy Outcomes After Assisted Reproductive Technology pdf
... CFAS GUIDELINEPregnancy Outcomes After Assisted Reproductive Technology Abstract Objective: To review the effect of assisted reproductive technology (ART) on perinatal outcomes, to provide guidelines ... reproduction and perinatal outcomes Search terms included assisted reproduction, assisted reproductive technology, ovulation induction, intracytoplasmic sperm injection (ICSI), embryo transfer, and in ... Gillian Graves MD, FRCSC, Halifax NS Jason Min, MD, FRCSC, Ottawa ON Key Words: Assisted reproductive technology, pregnancy outcomes, multiple gestation, imprinting, congenital anomalies This guideline
Ngày tải lên: 14/03/2014, 16:20
convergence in infomation and communication technology pdf
... access, evolution, data-optimized calling party’s network pays digital data service obligation (Australi Deutsche Telekom digital video broadcasting European Commission Federal Communications Commission ... a process driven by technology and demand and resulting from service providers’ adopting new technologies and busi- ness practices Fundamental technology drivers are the digitalization of communication ... such as CD-quality audio and streaming video, at reasonable prices As of 2007, broadband was commercially available in 18 Trang 30CONVERGENCE IN INFORMATION AND COMMUNICATION TECHNOLOGY 166 countries,
Ngày tải lên: 17/03/2014, 14:20
agenda for advancing electrochemical corrosion science and technology pdf
... developing 8 means of building more durable ies Technology is currently available that could have prevented many of the problems now existing in the field Technology transfer is therefore considered ... scholars engaged inslentific and engineering research, dedicated tothe [onhei nce of science and technology an to ther se forthe general welfare Upoa the asthorty of the charter granted to it by ... organized by the National Academy of Sclances in 1916 12 assocate the bread community of science and technology withthe Academy's purpotes of furthering Snowiedge and advising the federal government
Ngày tải lên: 17/03/2014, 16:20
Design and Technology: Food Technology pdf
... 6EX. 1 GCSE Design and Technology: Food Technology for teaching from September 2009 onwards (version 1.3) 1 Introduction 3 1.1 Why choose AQA? 3 1.2 Why choose Design and Technology: Food Technology? 3 1.3 ... 28 D Key Skills 29 2 GCSE Design and Technology: Food Technology for teaching from September 2009 onwards (version 1.3) 3 1 GCSE Design and Technology: Food Technology for teaching from September ... and Technology: Food Technology for teaching from September 2009 onwards (version 1.3) 5 1.3 How do I start using this specification? Already using the existing AQA Design and Technology: Food Technology
Ngày tải lên: 18/03/2014, 00:20
HOME ECONOMICS: HEALTH AND FOOD TECHNOLOGY pdf
... 13 Home Economics – Health and Food Technology D271 13 Health and Food Technology: Resource Management (AH) 2 credits (80 hours) D0F5 13 Health and Food Technology: Practical Research and Dissertation ... Course Specification HOME ECONOMICS: HEALTH AND FOOD TECHNOLOGY (ADVANCED HIGHER) COURSE NUMBER C118 13 Home Economics – Health and Food Technology COURSE STRUCTURE These Courses have two ... ARRANGEMENTS SIXTH EDITION PUBLISHED AUGUST 2011 COURSE TITLE: Home Economics: Health and Food Technology National Unit Specification Trang 3Administrative Information Publication date: September
Ngày tải lên: 24/03/2014, 04:20
Study Plan Department: Management Technology pdf
... Trang 1Study Plan Department: Management Technology Major: Marketing Trang 2 No of Units Con Tut Lab Lec C.u Equivalents Prerequisites ... Co-1 6 00 00 Con Tut Lab Lec C.u Trang 5Study Plan Subjects Trang 6Department Management Technology Major Marketing Pre-requisites Course description: This course includes the essentials ... Managerial Finance, New York, The Dryden press, 2004 References Trang 11Department Management Technology Major Marketing Pre-requisites Course description: This course is designed to provide
Ngày tải lên: 29/03/2014, 23:20
Báo cáo hóa học: " A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras" potx
... of the input color, YCbCr is the most commonly used color space to render video stream in digital video standards Most video enhancement methods are pro-cessing in YCbCr color space; however, ... representation, quantitative evaluation 1 Introduction In recent years, digital video cameras have been employed not only for video recording, but also in a variety of image-based technical applications ... algorithms to improve LDR image/video enhancement performance For instance, to improve the visual quality of underexposed LDR videos, Bennett and McMillan [9] proposed a video enhancement algorithm
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: "Research Article Optimizing Training Set Construction for Video Semantic Classification" pdf
... INTRODUCTION Video content analysis is an elementary step for mining the semantic information in video collections, in which seman-tic classification (or we may call it annotation) of video seg-ments ... the flowchart of preprocessing the video dataset First, each video is segmented into shots ac-cording to timestamp (for DVs) or visual similarity (for ana-log videos) In the following process, ... performance of our proposed algorithms on real video dataset, we conduct several experiments on a home video dataset which contains about 55 home videos with a wide variety of contents, such as
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Research Article A Total Variation Regularization Based Super-Resolution Reconstruction Algorithm for Digital Video" ppt
... low-resolution images In this paper, we study an efficient SR algorithm for digital video To effectively deal with the intractable problems in SR video reconstruction, such as inevitable motion estimation errors, ... compressed artifacts in the video It is noted that this paper aims to reconstruct an HR frame from several LR frames in the video Using the pro-posed algorithm, all the frames in the video can be SR re-constructed ... [26,27] In this paper, we study a total-variation- (TV-) based SR reconstruction algorithm for digital video We remark that the TV-based regularization has been applied to SR image reconstruction
Ngày tải lên: 22/06/2014, 19:20
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