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ROBUST RVM BASED ON SPIKE-SLAB PRIOR

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Journal of Electronics(China) 2012年第6期29卷 593-597页

作者： Ding Xinghao mi zengyuan Huang Yue Jin Wenbo School of Information Science and Technology Xiamen University

Although Relevance Vector Machine (RVM) is the most popular algorithms in machine learning and computer vision, outliers in the training data make the estimation unreliable. In the paper, a robust RVM model under non-parametric Bayesian framework is proposed. We decompose the noise term in the RVM model into two components, a Gaussian noise term and a spiky noise term. Therefore the observed data is assumed represented as: where is the relevance vector component, of which is the kernel function matrix and is the weight matrix, is the spiky term and is the Gaussian noise term. A spike-slab sparse prior is imposed on the weight vector which gives a more intuitive constraint on the sparsity than the Student's t-distribution described in the traditional RVM. For the spiky component a spike-slab sparse prior is also introduced to recognize outliers in the training data effectively. Several experiments demonstrate the better performance over the RVM regression.

关键词： Relevance Vector Machine (RVM) Bayesian nonparametric Outliers Spike-slab sparse prior

Single Image De-haze Based On a New Dark Channel Estimation Method

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Single Image De-haze Based On a New Dark Channel Estimation ...

Natural variations in grain length 10(GL10)regulate rice grain size

2012 IEEE International Conference on Computer Science and Automation Engineering（CSAE 2012）

作者： Wenbo Jin zengyuan mi Xiaotian Wu Yue Huang Xinghao Ding School of Information Science and Engineering Xiamen University Xiamen China

The image quality is effected dramatically by the weather conditions such as haze,fog and smoke in surveillance or vehicle *** this paper,we propose a novel algorithm to remove haze from a single image.A new dark channel estimation method is employed by subtracting three times variance from mean to approximate the minimum value,which is defined as the dark channel in a local *** achieve anisotropic local mean and variance,a fast bilateral filter is *** complexity is a linear function of the size of the image,which makes real-time visibility restoration *** with existing algorithm based on dark channel prior,the proposed algorithm have better performance by reducing the halos introduced by large patches very well with less computational cost.

关键词： de-haze fog dark channel prior image restoration bilateral filter.

来源： cnki会议评论

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Journal of Genetics and Genomics 2022年第5期49卷 405-413页

作者： Penglin Zhan Shuaipeng Ma Zhili Xiao Fangping Li Xin Wei Shaojun Lin Xiaoling Wang Zhe Ji Yu Fu Jiahao Pan mi Zhou Yue Liu zengyuan Chang Lu Li Suhong Bu Zupei Liu Haitao Zhu Guifu Liu Guiquan Zhang Shaokui Wang Guangdong Laboratory for Lingnan Modern Agriculture GuangzhouGuangdong 510642China State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources Guangdong Provincial Key Laboratory of Plant Molecular BreedingSouth China Agricultural UniversityGuangzhouGuangdong 510642China Department of Plant Sciences University of OxfordOxford OX13RBUK

Grain size is an important determinant of grain weight and yield in *** several genes related to grain size have been identified,natural variations in these genes that affect grain size are poorly ***,we describe the grain length QTL GL10,encoding MADS56,which positively regulates grain length and grain weight.A natural allelic variation of NIL-gl10,containing an~1.0-kb deletion in the first exon that abolishes its transcription,results in shorter grain length,lower grain weight and delayed flowering in gl10 *** knockout of GL10 in the HJX74 background leads to grain phenotypes similar to that of NIL-gl10,while overexpression of GL10 results in increased grain length and weight and earlier heading ***10 regulates grain length by promoting greater longitudinal cell growth in the grain ***,GL10 participates in the regulation of gibberellic acid(GA)signaling pathway genes in young panicle *** of GL10 haplotypes shows obvious divergence between the japonica and indica *** findings reveal an allelic variation of GL10 that may explain differences in grain length among modern cultivars and could be used to breed rice varieties with optimized grain shape.

关键词： Rice GL10 OsMADS56 Grain length SSSL GA

腹直肌肌皮瓣修复口腔颌面部软组织缺损18例临床分析

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西南国防医药 2012年第2期22卷 149-150页

作者：羊书勇郑维银李晨军李浩米增媛李焰张建设卢艳鹏成都军区总医院附属口腔医院成都610017

目的总结腹直肌肌皮瓣用于口腔颌面部修复的经验,对腹直肌肌皮瓣的用途、应用方法、成败因素等加以分析和讨论。方法 2007年6月～2010年6月,应用腹直肌肌皮瓣修复口腔颌面部软组织缺损18例,其中男性11例,女性7例,年龄46～71岁,均为肿瘤... 详细信息

目的总结腹直肌肌皮瓣用于口腔颌面部修复的经验,对腹直肌肌皮瓣的用途、应用方法、成败因素等加以分析和讨论。方法 2007年6月～2010年6月,应用腹直肌肌皮瓣修复口腔颌面部软组织缺损18例,其中男性11例,女性7例,年龄46～71岁,均为肿瘤切除造成的组织缺损,所有病例均为即刻修复。结果 18例游离组织瓣成活17例,修复成功率为94.4%。结论对于口腔颌面部肿瘤切除后形成的组织缺损,腹直肌肌皮瓣是进行修复的理想选择。

关键词：腹直肌肌皮瓣软组织缺损修复重建口腔颌面部

氧化银薄膜的微结构对其反射率和透射率的影响

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真空科学与技术学报 2010年第2期30卷 211-214页

作者：冯红亮粱艳郜小勇林清耿张增院马姣民卢景霄宁皓郑州大学物理工程学院郑州大学材料物理教育部重点实验室郑州450052 河南工业大学艺术学院郑州450000

保持150℃的衬底温度不变,通过调节氧氩比(OFR=[O2]/[Ar]),利用直流反应磁控溅射技术在玻璃衬底上制备了一系列氧化银薄膜。利用X射线衍射谱、扫描电子显微镜和分光光度计重点研究了薄膜的微结构对其反射率和透射率的影响。研究表明随着... 详细信息

保持150℃的衬底温度不变,通过调节氧氩比(OFR=[O2]/[Ar]),利用直流反应磁控溅射技术在玻璃衬底上制备了一系列氧化银薄膜。利用X射线衍射谱、扫描电子显微镜和分光光度计重点研究了薄膜的微结构对其反射率和透射率的影响。研究表明随着OFR的升高,氧化银薄膜呈现了从Ag+Ag2O多晶结构到Ag2O多晶结构的演变。薄膜的表面相应地呈现了从疏松的多孔结构到类金字塔结构的演变。较高的Ag2O含量和致密的表面形貌有利于薄膜可见和红外区的透光性,而较高的银含量和疏松的多孔结构则造成对光的强烈吸收,急剧地降低了薄膜的透射率和反射率。特别是在OFR为0.5条件下成功制备了具有(111)择优取向的Ag2O多晶薄膜,有效地将氧化银热分解的临界温度降低到200℃左右。

关键词：氧化银薄膜直流反应磁控溅射 Ag2O薄膜快速热处理