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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Seunghwan Lee Hariyama, M. Kameyama, M. |
| Copyright Year | 1997 |
| Description | Author affiliation: Dept. of Comput. & Math. Sci., Tohoku Univ., Sendai, Japan (Seunghwan Lee) |
| Abstract | Three-dimensional (3-D) instrumentation based on optical flow is a promising instrumentation method for intelligent systems in which accurate 3-D information is required. However, real-time instrumentation is difficult since much computation time and a large memory bandwidth are required. In this paper, a 3D instrumentation VLSI processor with a concurrent memory-access scheme is proposed. To reduce the access time, frequently used data are stored in a cache register array and are concurrently transferred to processing elements using simple interconnections to the 8 nearest neighbor registers. Based on a row and column memory access pattern, we propose a diagonally interleaved frame memory by which pixel values of a row and column are stored across memory modules. Therefore, the pixel values are read in parallel from the frame memory. Based on the concurrent memory-access scheme, the performance of the processor is 2 million times faster than that of a 28.5 MIPS workstation. |
| Starting Page | 951 |
| Ending Page | 954 |
| File Size | 356422 |
| Page Count | 4 |
| File Format | |
| DOI | 10.1109/SICE.1997.624886 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1997-07-29 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Very large scale integration Instruments Registers Image sequences Intelligent systems Workstations Intelligent robots Intelligent vehicles Pixel Robot kinematics |
| Content Type | Text |
| Resource Type | Article |
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