IEEE Transactions on Circuits and Systems for Video Technology
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A scalable and programmable architecture for 2-D DWT decoding
IEEE Transactions on Circuits and Systems for Video Technology - Tập 12 Số 8 - Trang 671-677 - 2002
The compression of still images by means of the discrete wavelet transform (DWT), adopted in the JPEG-2000 and MPEG-4 standards, is becoming more and more widespread because it yields better performance than other compression methods, such as discrete cosine transform. The demand of efficient architectures for 2-D DWT coding and decoding for a variety of different applications and embedded systems...... hiện toàn bộ
#Discrete wavelet transforms #Decoding #Image coding #CMOS technology #Kernel #MPEG 4 Standard #Discrete cosine transforms #Embedded system #Arithmetic #Runtime
Boundary macroblock padding in MPEG-4 video decoding using a graphics coprocessor
IEEE Transactions on Circuits and Systems for Video Technology - Tập 12 Số 8 - Trang 719-723 - 2002
MPEG-4 is the latest multimedia coding standard that supports object-based coding and manipulation of natural video and synthetic graphics objects. Due to its various features and high coding efficiency, MPEG-4 is becoming popular in video streaming applications. Many graphics coprocessors provide the acceleration of inverse discrete cosine transform (IDCT) and motion compensation for real-time vi...... hiện toàn bộ
#MPEG 4 Standard #Decoding #Graphics #Coprocessors #Acceleration #Streaming media #Motion compensation #Discrete cosine transforms #Video coding #Partitioning algorithms
Deep Image Denoising With Adaptive Priors
IEEE Transactions on Circuits and Systems for Video Technology - Tập 32 Số 8 - Trang 5124-5136 - 2022
Adaptive Bit Allocation for Consistent Video Quality in Scalable High Efficiency Video Coding
IEEE Transactions on Circuits and Systems for Video Technology - Tập 27 Số 7 - Trang 1555-1567 - 2017
Scalable video coding (SVC) is a coding paradigm that allows once-encoded video content to be used in diverse scenarios. SVC-coded videos can be transmitted and rendered at specified bitrates according to network bandwidth and end device requirements. In this paper, an adaptive bit allocation algorithm is proposed for the emerging scalable High Efficiency Video Coding (SHVC) standard. The bit budg...... hiện toàn bộ
#Bit allocation #mean absolute difference (MAD) #mean prediction error (MPE) #rate control (RC) #scalable High Efficiency Video Coding (SHVC) #scalable video coding (SVC)
Regulated complexity scalable MPEG-2 video decoding for media processors
IEEE Transactions on Circuits and Systems for Video Technology - Tập 12 Số 8 - Trang 678-687 - 2002
Video processing on programmable platforms offers significant advantages over dedicated hardware such as shorter development cycles, flexibility, and upgradability, among others. Although the emergence of powerful media processors is making video processing on programmable platforms closer to reality, practical media-processor-based systems benefit from complexity-scalable video processing algorit...... hiện toàn bộ
#Decoding #Scalability #Hardware #Degradation #Bandwidth #Software algorithms #Real time systems #Signal resolution #Signal processing #Resource management
A novel all-binary motion estimation (ABME) with optimized hardware architectures
IEEE Transactions on Circuits and Systems for Video Technology - Tập 12 Số 8 - Trang 700-712 - 2002
We present a fast motion estimation algorithm using only binary representation, which is desirable for both embedded system and hardware implementation with parallel architectures. The key algorithm distinction is that only the high-frequency spectrum is used. Our experimental results show that it provides excellent performance at both low and high bit rates. Because of its binary-only representat...... hiện toàn bộ
#Motion estimation #Hardware #Systolic arrays #Embedded system #Parallel architectures #Bit rate #Computational complexity #Bandwidth #Circuit synthesis #Computer architecture
Unsupervised video-shot segmentation and model-free anchorperson detection for news video story parsing
IEEE Transactions on Circuits and Systems for Video Technology - Tập 12 Số 9 - Trang 765-776 - 2002
News story parsing is an important and challenging task in a news video library system. We address two important components in a news video story parsing system: shot boundary detection and anchorperson detection. First, an unsupervised fuzzy c-means algorithm is used to detect video-shot boundaries in order to segment a news video into video shots. Then, a graph-theoretical cluster analysis algor...... hiện toàn bộ
#Motion pictures #Gunshot detection systems #Clustering algorithms #Software libraries #Layout #Indexing #Video sequences #Cameras #Video compression #Data mining
A Survey of Open-World Person Re-Identification
IEEE Transactions on Circuits and Systems for Video Technology - Tập 30 Số 4 - Trang 1092-1108 - 2020
Thiết kế kiến trúc VLSI cho mã hóa hình dạng MPEG-4 Dịch bởi AI
IEEE Transactions on Circuits and Systems for Video Technology - Tập 12 Số 9 - Trang 741-751 - 2002
Bài báo này trình bày một thiết kế kiến trúc VLSI hiệu quả cho mã hóa hình dạng MPEG-4, một công nghệ chủ chốt để hỗ trợ các chức năng dựa trên nội dung của tiêu chuẩn video MPEG-4. Ràng buộc thời gian thực của mã hóa hình dạng MPEG-4 dẫn đến một nút thắt cổ chai tính toán nghiêm trọng trên các kiến trúc máy tính hiện nay. Để vượt qua vấn đề này, phân tích thiết kế và tối ưu hóa mã hóa hình dạng M...... hiện toàn bộ
#Very large scale integration #MPEG 4 Standard #Shape #Computer architecture #Design optimization #Hardware design languages #Computational modeling #Data processing #Motion estimation #Delay estimation
Lapped orthogonal transforms designed for error-resilient image coding
IEEE Transactions on Circuits and Systems for Video Technology - Tập 12 Số 9 - Trang 752-764 - 2002
This paper describes a new design method for lapped orthogonal transforms (LOTs) that can provide a desired tradeoff between coding efficiency and resilience to transmission errors. Traditionally, LOT bases have been designed solely to maximize coding efficiency. When certain coefficients are lost due to transmission channel impairments, the reconstructed image is often unsatisfactory. Previously,...... hiện toàn bộ
#Image coding #Image reconstruction #Design methodology #Resilience #Design optimization #Redundancy #Distortion measurement #Interleaved codes #Cities and towns #Transportation
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