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Le D.-H.,University of Electro - Communications | Cao T.-B.-T.,University of Science Ho Chi Minh City | Inoue K.,Advanced Original technologies Inc. | Pham C.-K.,University of Electro - Communications
IEICE Transactions on Electronics | Year: 2014

In this paper, the authors present a CAM-based Information Detection Hardware System for fast, exact and approximate image matching on 2-D data, using FPGA. The proposed system can be potentially applied to fast image matching with various required search patterns, without using search principles. In designing the system, we take advantage of Content Addressable Memory (CAM) which has parallel multi-match mode capability and has been designed, using dual-port RAM blocks. The system has a simple structure, and does not employ any Central Processor Unit (CPU) or complicated computations. Copyright © 2014 The Institute of Electronics, Information and Communication Engineers. Source


Le D.-H.,University of Electro - Communications | Inoue K.,Advanced Original technologies Inc. | Pham C.-K.,University of Electro - Communications
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences | Year: 2013

A CAM-based matching system for fast exact pattern matching is implemented on a hardware system with FPGA and ASIC. The system has a simple structure, and does not employ any Central Processor Unit (CPU) as well as complicated computations. We take advantage of Content Addressable Memory (CAM) which has an ability of parallel multi-match mode for designing the system. The system is applied to fast pattern matching with various required search patterns without using search principles. In this paper, the authors present a CAM-based system for fast exact pattern matching on 2-D data. Copyright © 2013 The Institute of Electronics, Information and Communication Engineers. Source


Le D.-H.,University of Electro - Communications | Inoue K.,Advanced Original technologies Inc. | Sowa M.,University of Electro - Communications | Pham C.-K.,University of Electro - Communications
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences | Year: 2012

A new information detection method has been proposed for a very fast and efficient search engine. This method is implemented on hardware system using FPGA.We take advantages of Content Addressable Memory (CAM) which has an ability of matching mode for designing the system. The CAM blocks have been designed using available memory blocks of the FPGA device to save access times of the whole system. The entire memory can return multi-match results concurrently. The system operates based on the CAMs for pattern matching, in a parallel manner, to output multiple addresses of multi-match results. Based on the parallel multi-match operations, the system can be applied for pattern matching with various required constraint conditions without using any search principles. The very fast multi-match results are achieved at 60 ns with the operation frequency 50MHz. This increases the search performance of the information detection system which uses this method as the core system. Copyright © 2012 The Institute of Electronics, Information and Communication Engineers. Source

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