audio image and video services

... selective encryption and Shannon’s work on communication and security [1] It is well known that statistics for image and video data differ much from classical text data Indeed, image and video data are ... type: image and video. Trang 9Wen, Severa, Zeng, Luttrel, and Jin, 2002 A general selectiveencryption approach for fixed and variable length codes (FLC and VLC) is proposed in [24] FLC and VLC ... error propagation (h) Data type: image and video. Shi and Bhargava, 1998 In [12], the authors proposed video encryption algorithm (VEA) which uses a secret key to randomly change the signs of all

Ngày tải lên: 22/06/2014, 00:20

... Corporation EURASIP Journal on Image and Video Processing Volume 2007, Article ID 25214, 12 pages doi:10.1155/2007/25214 Review Article Image and Video Processing for Visually Handicapped People Thierry ... generate and use mental images from elementary tactile pictures However, they suffer from imagery limitations when tactile images increase in complexity These EURASIP Journal on Image and Video Processing ... this toner swells and therefore gives a raised image Such static raised images are routinely used in many places; often however these images are prepared by hand and little image processing is

Ngày tải lên: 22/06/2014, 00:20

... modality (related to hand configuration and hand position with respect to the face) Figures and present the eight different hand shapes which code the consonants and the five hand positions which ... regions Contact of two hands Identifying the left and right hands Motion of objects other than the hands Fast and highly variable motion of the hand High degree of freedom of the hand Assumptions/Restrictions ... for CS than for SL and though only a single EURASIP Journal on Image and Video Processing Figure 7: Viola and Jones face detector (from [54]) hand is involved, the problem of hand configuration

Ngày tải lên: 22/06/2014, 00:20

... multidimensional image processing was edited by Lukac et al [3] This issue overviewed recent trends in multidimensional image processing, ranging from image acquisition to image and video coding, to color image ... which still need addressing and which are the next and future perspectives of color in image and video processing This survey is intended for graduate students, researchers and practitioners who have ... both spatial and color properties of the stimuli and viewing conditions The goal in developing the iCAM was to create a single model applicable to image appearance, image rendering, and image quality

Ngày tải lên: 22/06/2014, 00:20

... Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2007, Article ID 56928, 13 pages doi:10.1155/2007/56928 Research Article Image and Video Indexing Using Networks of Operators ... whole image. Lo- cal features usually appear several times within an image descriptions. Local and global visual features can represent various aspects of the image or video contents (color and ... FOR IMAGE AND VIDEO INDEXING We consider a variety of numcepts for the building of index- ing networks. We chose them at several levels (low and in- termediate) and for several modalities (image

Ngày tải lên: 22/06/2014, 06:20

... the advanced scalable video and image coding and the context-awareness framework, medical video and image delivery can be opti-mized in terms of better resources utilization and best per-ceived ... Finally,Section 7concludes the article and discusses future work 2 RELATED WORK IN SCALABLE CODING AND ADAPTIVE IMAGE AND VIDEO TELEMEDICINE SYSTEMS Scalable image and video coding has attracted recently ... alternatively video can be replaced by highly compressed images (suitable for low-bandwidth networks) Video and image coding and transmission can also vary according to network availability and quality

Ngày tải lên: 22/06/2014, 19:20

... Trang 1IMAGE AND VIDEO COMPRESSION FOR WIRELESS NETWORKSHo Anh Tuy H anoi University o f Technology N gu yen V inh An Hanoi Open University A b s tr a ct The demands for transmission of image, video ... wavelet compression for image and video over wireless networks This paper also introduces some change of wavelet parameters in order to improve quality of transmission image and video over wireless ... n e t- b a s e d video ap plications a n d Video Coding Exp ert s Group H.264 s t a n d a r d s for video compression is now widely used in videoconferencing systems MP EG 4 and H 263 prom ises

Ngày tải lên: 11/12/2017, 22:25

... include blocking, ringing, mosquito and flicker The methods to enhance image and video quality are also reviewed This project proposes a novel method for image and video enhancement using object maps ... trội của phương pháp đề xuất ABSTRACT Image and video compression is very popular in recent years However, quality reduction of the original image and video is unavoidable This project presents ... các chức năng như chụp hình và quay video với độ phân giải cao, truyền thông video, các dịch vụ web hình ảnh… càng làm cho ảnh và video số phổ biến Nén ảnh và video là yêu cầu tất yếu để làm giảm

Ngày tải lên: 23/01/2021, 10:36

... 17Spatio-Temporal Filtering For Image And Video Processing: Applications On Quality Enhancement, Coding and Data PruningbyD˜ung Trung V˜oDoctor of Philosophy in Image and Signal ProcessingUniversity ... blocking and ringing artifacts and temporal artifacts such as mosquito ar-tifacts and flickering artifacts To reduce the visual affect of these coding artifacts,compressed images and video sequences ... 191.1 Image and Video Processing SystemsFor millennia, people searched for different ways to record their ences: writing and antiquities helped the posterity imagine their ancestors’ lifeand journey

Ngày tải lên: 31/01/2021, 22:54

... Internet products and services that ride atop of and use abroadband transport Our products and services that make use of Trang 1612the Internet and IP technologies include Windows XP and MediaCenter ... determining from whom orwhere to purchase voice, data, and video services VoIP calls for a cable provider, video services through a phonecompany, and data services through a satellite provider are all ... new technologies can flourish and consumers can receive and enjoy new and innovative Internet services and products. con-We see the emergence of broadband platforms and Internet Protocol (IP) nology

Ngày tải lên: 18/02/2014, 00:20

... water and the relationship between supply and need Read and comment on the blogs for these stories by clicking on the story link and clicking on the blog post link below the video/audio ... POLLUTION TOPIC BACKGROUND QUEST SUBJECTS CA SCIENCE STANDARDS WATER POLLUTION Educator Guide A resource for using QUEST video, audio, blogs and maps in the classroom Trang 2• What kinds of toxins ... serving miners from as far away as Mexico, China, and England They dug 40 miles of mining tunnels through the hills above town, and pulled out thousands of pounds of cinnabar, a rock that contains

Ngày tải lên: 15/03/2014, 23:20

... music, it’s enough to frazzle some nerves A more polite way to handle background audio is to display the playback controls and let your visitors decide whether to click the play button ... Download link on their website You’ll... player’s layout, and a whole bunch of images, one for each of the player’s buttons and components.) ▪ Your music If you want to play some music, ... one alternative to the element You can use the element, which lets you insert audio, video, and other types of plug-in content in a web

Ngày tải lên: 23/03/2014, 01:20

... medium, and low, and a video scheduler, which selects video packets from the queuesaccordingly for transmission The prioritized video packet handling is accomplished by placing the incoming video ... video coding and Trang 4adaptation solutions to improve the robustness and QoS for video transmission Forinstance, the novel Scalable Video Coding (SVC) technology [2] provides both bitrate anddevice ... their favourite Internet services anytime and anywhere In the case of video streaming, the inability of wireless networks to guarantee the requiredbandwidth and QoS for the services has boosted the

Ngày tải lên: 21/06/2014, 17:20

... Signature Video Signature Audio Signature Video Signature Audio Signature Video Signature Audio Signature Video Signature Audio Signature Video Signature Audio Signature Video Signature Audio Signature ... Audio Signature Audio Blocks (e.g 10 msec) Signature Audio Signature Signature Audio Signature Audio Signature Signature Audio Signature Audio Signature Signature Audio Signature Audio Signature ... Signature Audio Signature Audio Signature Signature Audio Signature Audio Signature Audio Signature Trang 20A/V Sync Signature ComparisonAudio delay i Video delay Compare Delays A/V Sync Delay i Audio

Ngày tải lên: 21/01/2016, 23:11

... multimedia-related image processing techniques, and intelligent multimedia processing; (2) methodologies, techniques, and applications: image and video coding, image and video storage and retrieval, digital video ... MULTIMEDIA IMAGE and VIDEO PROCESSING IMAGE PROCESSING SERIES Series Editor: Phillip A Laplante Published Titles Image and Video Compression for Multimedia Engineering Yun Q Shi and Huiyang ... processing images and videos in a multimedia environment It covers the following subjects arranged in two parts: (1) standards and fundamentals: standards, multimedia architecture for image processing,...

Ngày tải lên: 23/10/2013, 16:15

... specifies G.711 as the mandatory audio codec, and includes G.722, G.723.1, G.728, and G.729 as optional choices For video coding, it specifies H.261 as the mandatory coding algorithm and includes H.263 ... T., “MPEG digital video coding standards,” IEEE Signal Processing Magazine, pp 82–100, Sept 1997 [8] Schaphorst, R., Videoconferencing and Videotelephony: Technology and Standards, Artech House, ... actions and then get a list of similar scenarios 1.5 Standards for Multimedia Communication In addition to video coding, multimedia communication also involves audio coding, control and signaling, and...

Ngày tải lên: 27/10/2013, 23:15

... chain 1.4 VIDEO COMPRESSION STANDARDS Interoperability is crucial when different platforms and devices are involved in the delivery of images and video data If for instance images and video are ... digital image However, we will use the term image to mean a digital image The image array is usually two dimensional (2D) if it is black and white (BW) and three dimensional (3D) if it is a color image ... image and video compression in a clear and concise manner and develop the necessary mathematical equations for a better understanding of the ideas A further goal is to introduce the popular video...

Ngày tải lên: 24/03/2014, 01:21

... Digital Image and Video Processing Alan C Bovik T p s of Images Scale of Images Dimensionof Images Digitization of Images Sampled Images QuantizedImages Color ye - - - Images SizeofImage ... Criteria for Image Quality Evaluation Thraspoulos N Puppas and Robert J Safiunek 669 SECTION IX Image and Video Storage Retrieval and Communication 9.1 9.2 9.3 9.4 Image and Video Indexing and Retrieval ... JPEG and MPEG standards Sections7 and discuss the practical aspects of image and video acquisition, sampling,printing, and assessment Section is devoted to the multimediatopics of image andvideo...

Ngày tải lên: 18/04/2014, 10:59

... Algorithmic simplifications for real-time image and video processing, Hardware platforms for real-time image and video processing, Software methods for real-time image and video processing P1: IML/FFX MOBK019-FM ... throughput and memory bandwidth for performing various image/ video processing related functions such as rendering the final captured image through the image pipeline and running image/ video compression ... arises in typical image and video processing algorithms, let us have a closer look at the operations involved in the processing of image and video data Traditionally, image/ video processing operations...

Ngày tải lên: 05/06/2014, 11:40