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In this paper, an adaptive genetic algorithm for the capacitor placement problem in a radial distribution system is presented. Based on the measure of the superiority of an individual called elite degree, the adaptive GA dynamically tunes GA parameters such as crossover and mutation during the GA run. The proposed GA is applied to test distribution systems including IEEE 69 with successful results.
With the increase of colorectal cancer patients in recent years, the needs of quantitative evaluation of colorectal cancer are increased, and the computer-aided diagnosis (CAD) system which supports doctor's diagnosis is essential. In this paper, a hardware design of type identification module in CAD system for colorectal endoscopic images with narrow band imaging (NBI) magnification is proposed for...
We address a problem of endoscopic image classification taken by different (e.g., old and new) endoscopies. Our proposed method formulates the problem as a constraint optimization that estimates a linear transformation between feature vectors (or Bag-of-Visual words histograms) in a framework of transfer learning. Experimental results show that the proposed method works much better than the case without...
This paper presents an interleaved-bitslice AES encryption and decryption with massive-parallel mobile embedded processor. Recent mobile devices need to apply private-information secure technology, such as cipher processing, to prevent the leakage of personal information. However, this adds to the product's required-specifications, especially cipher implementation for fast processing, low power consumption,...
This paper describes a novel compact hardware oriented algorithm and its conceptual implementation for realtime traffic signs detection system. The speed limit sign area on a grayscale video frame is detected based on a novel, simple and compact rectangle pattern matching and circle detection modules. The speed limit recognition system has two-pipeline stages. Each frame is scanned with multi-scan...
With the increase of colorectal cancer patients in recent years, the needs of quantitative evaluation of colorectal cancer are increased, and the computer-aided diagnosis (CAD) system which supports doctor's diagnosis is essential. In this paper, a hardware design of type identification module in CAD system for colorectal endoscopie images with narrow band imaging (NBI) magnification [1] is proposed...
In this paper we investigate a method for segmentation of colorectal Narrow Band Imaging (NBI) endoscopic images with Support Vector Machine (SVM) and Markov Random Field (MRF). SVM classifiers recognize each square patch of an NBI image and output posterior probabilities that represent how likely the given patch falls into a certain label. To prevent the spatial inconsistency between adjacent patches...
This paper describes a novel compact hardware oriented algorithm and its conceptual implementation for real-time traffic signs detection system. The speed limit sign area on a grayscale video frame is detected based on a novel, simple and compact rectangle pattern matching and circle detection modules. The speed limit recognition system is divided into two-pipeline stages. The region of interests...
The purpose of this research is development of an algorithm for hardware implementation for number recognition applying in speed traffic-sign recognition system for car driving assistant. We recognize the speed limit of the speed traffic-sign using hardware oriented extraction algorithm. The numbers are recognized by comparing their feature values with the recognized features. The proposed hardware...
In this study, we have proposed an improvement for feature extraction in computer-aided diagnosis (CAD) system for colorectal endoscopic images with narrow-band imaging (NBI) magnification. Dense Scale-Invariant Feature Transform (D-SIFT) is used in the feature extraction. It is necessary to consider a trade-off between the precision of the feature extraction and speedup by the FPGA implementation...
In this study, we perform a device evaluation from trial device production (a computer simulation) using technology CAD (TCAD) in an integrated circuit consistent education system, which consists of a series of processes: system design, semiconductor process, trial device production, and device evaluation. By changing the device parameters (kinds of material, film thickness, impurities density) of...
This paper proposes a method for smoothing the posterior probabilities obtained from classification results of time series input. We deal with this problem as a filtering problem with Dirichlet distribution and develop a particle filtering for this task. As a practical example of smoothing, we apply the proposed method to stabilizing NBI endoscopy recognition results over time. Experimental results...
In this paper, we propose a sequence labeling method by using SVM posterior probabilities with a Markov Random Field (MRF) model for colorectal Narrow Band Imaging (NBI) zoom-videoendoscope. Classifying each frame of a video sequence by SVM classifiers independently leads to an output sequence which is unstable and hard to understand by endoscopists. To make it more stable and readable, we use an...
The reported hybrid algorithm with software-hardware cooperation for prototype-based learning uses dynamic K-means to intelligently produce new cluster centers as reference patterns. The single nearest neighbor matching (K-nearest neighbor (KNN), K=3D1) with full-hardware architecture is used for efficient recognition. Large numbers of training instances are dynamically partitioned into k clusters...
The developed fully-parallel associative memory in 65nm CMOS for nearest Hamming-distance search is based on distance-frequency mapping with ring oscillators. The largest reference-data capacity of 128 pattern with 512 bit each, the shortest minimum search time of 3.81·10−13 s/bit and the lowest power dissipation of 5.17·10−8 W/bit in comparison to previous designs are reported. In particular, the...
This paper reports an efficient Discrete Cosine Transform (DCT) processing for the JPEG algorithm using a massive-parallel memory-embedded SIMD matrix processor. The matrix-processing engine has 2,048 2-bit processing elements, which are connected by a flexible switching network, and supports 2-bit 2,048-way bit-serial and word-parallel operations with a single command. For compatibility with this...
A multi-bank register file architecture for increasing the register-access clock frequency by up to 95 % and an access arbitration method for avoiding degradation of the cycle number based processor performance are reported. A 4-bank test design in 200 nm gate-length CMOS with 12 ports and 128 registers has 0.39 mm2 area and operates at up to 417 MHz
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