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多级图像分类系统在硅钢冷轧表面缺陷检测中的应用甘胜丰1,孙林1,曹阳2,刘广益2(1.湖北省武汉市地质大学机械与电子信息工程学院2.武汉钢铁(集团)公司)摘 要:针对硅钢冷轧生产过程中带钢表面缺陷的特点,采用一种基于专家经验和决策树分类器的多级带钢表面缺陷图像分类系统,包含训练集与测试集的采集,特征提取,专家经验训练分类器,决策树分类器等.实际应用表明,该系统能较好地识别结疤,重皮,孔洞和边裂等严重缺陷图像,提高了武钢硅钢冷轧生产过程的自动化水平.关键词:冷轧硅钢带钢; 表面缺陷检测; 图像分类;......
J. Cent. South Univ. (2016) 23: 1123-1131 DOI: 10.1007/s11771-016-0362-y Detection of surface cutting defect on magnet using Fourier image reconstruction WANG Fu-liang(王福亮)1, 2, ZUO Bo(左博)1, 2 1..., and it is commonly used in mobile information terminals. Defects may appear on the surface of the magnet while cutting it into smaller slices, and hence, automatic detection of surface cutting defect detection......
Pasminco宣布关闭Gordonsville和Clinch Valley锌矿苏鸿英摘 要:<正> 澳大利亚Pasminco公司宣布关闭其在美国田纳西州的Gordonsville和Clinch Valley锌矿,但得继续留其在田纳西州的Clarksville锌冶炼厂,并继续生产,该厂产能为12.5万吨/年. Gordon sville的高成本矿区关键词:......
J. Cent. South Univ. (2016) 23: 145-149 DOI: 10.1007/s11771-016-3057-5 Voice activity detection based on deep belief networks using likelihood ratio KIM Sang-Kyun1, PARK Young-Jin2, LEE Sangmin1, 3... technique is proposed to improve the performance of voice activity detection (VAD) by using deep belief networks (DBN) with a likelihood ratio (LR). The likelihood ratio is derived from the speech......
J. Cent. South Univ. Technol. (2008) 15: 738-741 DOI: 10.1007/s11771-008-0136-2 Fast recognition algorithm of underwater micro-terrain based on ultrasonic detection LUO Bo-wen(罗柏文)1, ZHOU Zhi... of the micro-terrain. Key words: underwater micro-terrain; ultrasonic detection; single beam; exceptional elevation values; threshold value; dynamic clustering  ......
Evaluation of factors affecting the edge formability of two hot rolled multiphase steelsMonideepa Mukherjee1,Sumit Tiwari2,Basudev Bhattacharya11. Research and Development,TATA STEEL2. PSG College of Technology摘 要:In this study, the effect of various factors on the hole expansion ratio and hence on the edge formability of two hot rolled multiphase......
Traffic danger detection by visual attention model of sparse samplingXIA Li-min(夏利民), LIU Tao(刘涛), TAN Lun-zheng(谭论正)(School of Information Science and Engineering, Central South University, Changsha... of calculation which increases the detection speed. Bayesian probability model and Gaussian kernel function were applied to calculate the saliency of traffic videos. The method of multiscale saliency......
J. Cent. South Univ. Technol. (2008) 15: 700-705 DOI: 10.1007/s11771-008-0130-8 Fault detection of excavator’s hydraulic system based on dynamic principal component analysis HE Qing-hua(何清华..., a fault detection approach based on dynamic principal component analysis(PCA) was proposed. Dynamic PCA is an extension of PCA, which can effectively extract the dynamic relations among process variables......
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J. Cent. South Univ. (2012) 19: 2266-2271 DOI: 10.1007/s11771-012-1270-4 Aware conflict detection of non-uniform memory access system and prevention for transactional memory WANG Rui-bo(王睿伯), LU Kai... implementations made significant performance degradation on NUMA system because they ignored the slower remote memory access. To solve this problem, a latency-based conflict detection and a forecasting......