International Symposium on VIPromCom Video/Image Processing and Multimedia Communications

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Study on transforming from painting to music
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 117-120
Xia Mao, Bin Chen, Gang Zhu, T. Hoshino
This paper aims at probing into the mapping relationship and rules between painting and music. After the examination of corresponding relation between image and music, relevant arithmetic is put forward in accordance with certain principles in scientific and art, in which the original information in the image is converted into musical information, thus enabling people to obtain visual impression f...... hiện toàn bộ
#Painting #Multiple signal classification #Music #Art #Image converters #Computer graphics #Rhythm #Concrete #Arithmetic #History
DVB-MHP transport stream generator
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 453-456
R. Rodriguez, A. Gil, A. Fernandez, R. Diaz, M. Fernandez, J. Garcia
We present superficially a software tool - a DVB-MHP (digital video broadcasting multimedia home platform) compliant transport stream generator /sub e/signed to be part of the testbed of an MHP decoder prototype. The tool was implemented partially making use of XML technology and the software reuse philosophy (freely-distributed parsers and tools) that, in a sense, goes with this special syntax.
#Digital video broadcasting #US Department of Transportation #Streaming media #Decoding #Digital TV #Software tools #XML #TV broadcasting #TV receivers #Signal processing
Use of area-closing to improve granulometry performance
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 303-308
K.N.R. Mohana Rao, A.G. Dempster
We present a new procedure for computing the granulometry function. Computation of granulometry is normally done by morphological opening/closing performed on an image with structuring elements of increasing size. This can pose problems, if pixels within the image components are not nearly uniform gray level (or have large variations) or if there are patches within the objects of interest. The pro...... hiện toàn bộ
#Shape #Red blood cells #Diseases #Image processing #Cells (biology) #Morphology #Object detection #Humans #Visual system #Image recognition
A combinatorial edge detection algorithm on noisy images
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 351-355
S. Rital, A. Bretto, H. Cherifi, D. Aboutajdine
In this paper, we present an algorithm for edge detection in noisy images. First, an image adaptive neighborhood hypergraph (IANH) representation is computed. Next, a detection procedure based on hypergraph properties is used to classify hyperedges either as noise, edges or region. The application of this technique to noisy images has resulted in a considerable improvement in performance as compar...... hiện toàn bộ
#Image edge detection #Computer vision #Filters #Surface fitting #Gaussian noise #Smoothing methods #Degradation #Image processing #Application software #Solid modeling
How accurate should be disparities estimated for image-based rendering?
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 69-74
E. Izquierdo
Disparity estimation is the basis for the generation of a virtual view from a small set of real reference images. Much research on this area has been conducted by the computer vision community over the last decade. Currently, most problems involved in this technology are well understood and there exist several well-established algorithms to render virtual views from perspectively different images ...... hiện toàn bộ
#Rendering (computer graphics) #Layout #Computer vision #Application software #Geometry #Computational efficiency #Solid modeling #Image generation #Computer graphics #Augmented reality
DIGIPIPE - a pipeline methodology for digital image production and protection
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 411-416
C. Serrao, J. Marques
Electronic trading of multimedia content faces today important challenges. One of the most important challenges refers to the lack of production methodologies with strong interactions with the current state of the art digital content protection tools. This paper proposes a methodology, especially useful in the field of still digital images that interconnects a digital image production pipeline wit...... hiện toàn bộ
#Pipelines #Digital images #Protection #Consumer electronics #Electronic commerce #Content management #Mass production #Watermarking #Internet #Digital audio players
Scalable and robust videoconference codec
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 377-382
R. Lancini, M. Fumagalli, E. Arsura
This paper proposes and implements a system to transmit in real-time slow video signals over the public network. The proposed codec is based on a multiple description approach whose advantage is an intrinsic robustness to the packet losses, as the simulation results have proved. This coding approach is important also for end user scalability since each device can decide the information to receive ...... hiện toàn bộ
#Robustness #Videoconference #Codecs #Real time systems #Scalability #Displays #Joining processes #Bandwidth #IP networks #Next generation networking
Performance analysis of MPEG-4 decoder and encoder
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 227-231
F. Cavalli, R. Cucchiara, M. Piccardi, A. Prati
A performance analysis of MPEG-4 encoder and decoder programs on a standard personal computer is presented. The paper first describes the MPEG-4 computational load and discusses related works, then outlines the performance analysis. Experimental results show that while the decoder program can be easily executed in real time, the encoder requires execution times in the order of seconds per frame wh...... hiện toàn bộ
#Performance analysis #MPEG 4 Standard #Decoding #Image coding #Streaming media #Video compression #ISO standards #IEC standards #Microcomputers #Videoconference
On "slant-like" fast orthogonal transforms of arbitrary order
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 309-314
S. Minasyan, D. Guevorkian, S. Agaian, H. Sarukhanyan
A concept for the construction of fast orthogonal transforms with matrices containing one or more predefined rows is proposed. In particular, two new families of "slant-like" transforms with matrices of arbitrary orders, including a constant row and a slant row of arbitrary slanting angle, are introduced. Transforms from these families may be computed with fast regular algorithms suitable for para...... hiện toàn bộ
#Discrete transforms #Sparse matrices #Discrete Fourier transforms #Fourier transforms #Very large scale integration #Image coding #Informatics #Automation #Concurrent computing #Computer architecture
Adaptive asymmetric diamond search algorithm for block-based motion estimation
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications - - Trang 283-288
T. Sappasitwong, S. Aramvith, S. Jitapunkul, A. Tamtrakarn, P. Kitti-Punyangam, H. Kortrakulkij
In this paper, an adaptive asymmetric diamond search (AADS) for block based motion estimation is presented. The proposed method exploits an adaptive search pattern based on the predicted motion vector. In addition, the accuracy of the prediction is improved by changing the initial search center position. Simulation results show that the proposed algorithm can reduce the search points up to about 3...... hiện toàn bộ
#Motion estimation #Signal processing algorithms #Vectors #Video compression #Video sequences #Video coding #Transform coding #Digital signal processing #Laboratories #Accuracy
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