A dataflow-oriented VLSI architecture for a modified SPIHT algorithm using depth-first search bit stream processing

2002 ◽  
Author(s):  
Li-Minn Ang ◽  
Hon Nin Cheung ◽  
K. Eshraghian
Keyword(s):  
Stream Processing ◽  
Vlsi Architecture ◽  
Depth First Search ◽  
Spiht Algorithm ◽  
Bit Stream

scholarly journals A Novel VLSI Architecture for SPHIT Encoder

2013 ◽  
Vol 10 (4) ◽  
pp. 1522-1530
Author(s):  
Haritha Motupalle ◽  
Syed Jahangir Badashah
Keyword(s):  
Vlsi Architecture ◽  
Image Transmission ◽  
Set Partitioning ◽  
Compression Scheme ◽  
Storage And Retrieval ◽  
Test Circuit ◽  
Hardware Description ◽  
Image Storage And Retrieval ◽  
Spiht Algorithm ◽  
Bit Stream

In this Paper we propose a highly scalable image compression scheme based on the set partitioning in hierarchical trees (SPIHT) algorithm. Our algorithm called highly scalable SPIHT (HS-SPIHT), supports spatial and SNR scalability and provides a bit stream that can be easily adapted (reordered) to given bandwidth and resolution requirements by a simple transcoder (parser). The HS-SPIHT algorithm adds the spatial scalability feature without sacrificing the SNR embeddedness property as found in the original SPIHT bit stream. HS-SPIHT finds applications in progressive Web browsing, flexible image storage and retrieval, and image transmission over heterogeneous networks. Here we have written the core processor Microblaze is designed in VHDL (VHSIC hardware description language), implemented using XILINX ISE 8.1 Design suite the algorithm is written in system C Language and tested in SPARTAN-3 FPGA kit by interfacing a test circuit with the PC using the RS232 cable. The test results are seen to be satisfactory. The area taken and the speed of the algorithm are also evaluated.

Proposal for Stochastic Bit Stream Processing Using Optoelectronic Smart Pixels: A Neural Network Architectural Case Study

1997 ◽  
Vol 41 (1) ◽  
pp. 92-108
Author(s):  
M.A. Hands ◽  
W. Peiffer ◽  
H. Thienpont ◽  
A. Kirk ◽  
T.J. Hall, ◽  
...  
Keyword(s):  
Neural Network ◽  
Stream Processing ◽  
Smart Pixels ◽  
Bit Stream ◽  
Optoelectronic Smart Pixels
Sign in / Sign up

Export Citation Format

Share Document