Báo cáo hóa học: " Research Article JPEG2000 Compatible Lossless Coding of Floating-Point Data" pot

... Processing Volume 2007, Article ID 85385, 8 pages doi:10.1155/2007/85385 Research Article JPEG2000 Compatible Lossless Coding of Floating-Point Data Bryan E. Usevitch Department of Electrical and Computer ... proposed lossless floating-point wavelet transform has two main dis- advantages. First, coding efficiency is potentially decreased since the coding of each wavel...

Ngày tải lên: 22/06/2014, 22:20

... and Video Processing Volume 2007, Article ID 30852, 11 pages doi:10.1155/2007/30852 Research Article JPEG2000- Compatible Scalable Scheme for Wavelet-Based Video Coding Thomas Andr ´ e, Marco Cagnazzo, ... problem of approxima- tion of equidistant data by analytic functions—part B: on the problem of osculatory interpolation. A second class of analytic approximation formulae...

Ngày tải lên: 22/06/2014, 22:20

... different parts of the image, enabling the possibility of high-quality region of interest (ROI) and the possibility of discarding unused portions of the image. An unused portion of the image could ... effect in the context of separate coding; the error only affects a limited portion of the image. Direct transformation and coding different portions of the image results in poor...

Ngày tải lên: 22/06/2014, 00:20

... data. The goal of this paper is to analyze the di- versity of LAR-MSC protocols in terms of general properties of the reencoding function used during Phase 2. Particular cases of reencoding functions ... (i) repe- tition coding, (ii) distributed complex field coding (DCFC), (iii) distributed space-time (ST) coding, and (iv) distributed error control coding (DECC). The use of...

Ngày tải lên: 22/06/2014, 19:20

... the Faculty of the University of Hawaii, Honolulu, as an Assistant Professor of electrical engineering. He was promoted to Associate Professor in 1999 and to Professor in 2004. His research interests ... at Mi- crosoft Research, Redmond, Washington. He is also a Regular Visi- tor to Microsoft Research in Beijing. He received a National Science Foundation Career Award in 1999, an Ar...

Ngày tải lên: 22/06/2014, 23:20

... stage of the encoding process, more precisely, when fin- ishing the scanning of a coding level containing coding passes of type SPP, and when finishing the scanning of a coding level containing coding ... of the introduced strategy through extensive experimental results. Section 5 concludes this work pointing out some remarks. 2. OVERVIEW OF JPEG2000 2.1. JPEG2000 core...

Ngày tải lên: 21/06/2014, 22:20

... The values of the log likelihood obtained from the recognizer is small. For audio it is of the order of −300 to −200, whereas for video is of the order of −3000 to −2000. Because of Table 8: ... Two-thirds of the corpus consists of recordings in which groups of four people played different roles in a fictional design team that was specifying a new kind of remote control. The...

Ngày tải lên: 21/06/2014, 05:20

... example, we see that the worst case PAPR behavior of an OFDM signal is just an instance of the √ N behavior of any N orthonormal signals [16]. A theorem of Kashin and Tzafriri [21]statesthat under ... size of a subset of transmission signals and several signal processing properties of the subset. In Section 2, we prove our main result on tone reservation for OFDM systems with a...

Ngày tải lên: 21/06/2014, 05:20

... Posteriori Decoding of Channels Codes The BCJR algorithm [28] provides the common framework to the decoding of turbo and LDPC codes as it is applied to the decoding of the two component RSC codes of a ... symbol X.ThevalueofΔ x is a measure of the resolution of the representation, that is, is the weight of the least significant bit (LSB) x 0 of X. Note that (15) not only perfor...

Ngày tải lên: 21/06/2014, 05:20

... result of short-time processing, the short-time Fourier spec trum of a sinusoidal signal is the Fourier transform of the frame-window function. Thus, the detection of bird spectra l components of ... Introduction Identification of birds, the study of their behavior, and the way of their communication is important for a better understanding of the environment we are living in...

Ngày tải lên: 21/06/2014, 05:20