场景图像不变特征提取及分类方法的研究 

图像分类是计算机视觉领域的一个基本问题,近年来已吸引了大量的关注。目前的研究往往以结合空间金字塔匹配(Spatial Pyramid Matching,SPM)的词袋(Bag-of-Words, BoW)模型为基础展开。此方案为场景图像分类提供了一个有效的捕捉图像统计信息的方式。词袋模型最初应用于自然语言处理和信息检索...
北京邮电大学  博士论文  2013年 下载次数(1058)| 被引次数(7)

A New Method to Predict Erythrocyte Sedimentation Rate with Natural Geographical Factors and Location by Case-based Reasoning: A Case Study of China 

Reference values of erythrocyte sedimentation rate(ESR) are the key to interpret ESR blood test in clinic. The common local reference ESR values are...
《Chinese Geographical Science》  2020年 第01期 下载次数(5)| 被引次数(0)

Can Self-Referential Information Be Better Directed Forgetting? Evidence from a Multinomial Processing-Tree Model 

Previous studies have found that intentionally forgotten interference information can help individuals perform current tasks more efficiently, while proactively...
第二十一届全国心理学学术会议摘要集  2018-11-02 下载次数(16)| 被引次数()

Selection and evaluation of potential reference genes for gene expression analysis in greenbug(Schizaphis graminum Rondani) 

In order to precisely assess gene expression level,a suitable internal reference gene must be chosen to quantify real-time reverse transcription polymeras...
《Journal of Integrative Agriculture》  2018年 第09期 下载次数(18)| 被引次数(2)

Micro-arcsecond Celestial Reference Frames:definition and realization——Impact of the recent IAU Resolutions 

The adoption of the International Celestial Reference System (ICRS), based on Very Long Baseline Interferometry (VLBI) observations of extragalactic radio...
《Research in Astronomy and Astrophysics》  2012年 第08期 下载次数(30)| 被引次数(0)

GRADIENT OF REFERENCE DIFFERENCE BASED MATCHING ALGORITHM FOR IMAGE FEATURE POINT 

During matching on feature point, gray correlation matching technology is utilized to extract multi-peaks as a coarse matching set. A pair of given correspo...
《Journal of Electronics》  2004年 第02期 下载次数(25)| 被引次数(0)

Reference genes for quantitative RT-PCR data in gastric tissues and cell lines 

AIM:To evaluate the suitability of reference genes in gastric tissue samples and cell lines.METHODS:The suitability of genes ACTB,B2M,GAPDH,RPL29,and 18S ...
《World Journal of Gastroenterology》  2013年 第41期 下载次数(25)| 被引次数(1)

Reference unification and reference linking:Concept,functionalities and inhibiting elements.A case study of Chinese Science Citation Database 

In comparing reference unification to reference linking,the authors found that reference linking yield similar result as that of `#~reference`...
《Chinese Journal of Library and Information Science》  2008年 第Z1期 下载次数(12)| 被引次数(0)

Exogenous reference gene normalization for real-time reverse transcription-polymerase chain reaction analysis under dynamic endogenous transcription 

Quantitative real-time reverse transcription-polymerase chain reaction (qPCR) is widely used to investigate transcriptional changes following experimental manip...
《Neural Regeneration Research》  2012年 第14期 下载次数(19)| 被引次数(0)

Report on Childhood Obesity in China (1) Body Mass Index Reference for Screening Overweight and Obesity in Chinese School-age Children 

Purpose To establish and propose a national body mass index (BMI) reference for screening overweight and obesity in Chinese school-age children and ado...
《Biomedical and Environmental Sciences》  2005年 第06期 下载次数(254)| 被引次数(57)

Fast PPP Ambiguity Resolution Using a Sparse Regional Reference Network 

Precise point positioning real-time kinematic (PPP-RTK) can achieve fast ambiguity resolution and precise positioning with the satellite fractional cycle biases...
第五届中国卫星导航学术年会论文集-S3 精密定轨与精密定…  2014-05-21 下载次数(22)| 被引次数(0)

基于自然统计特性的图像质量评价方法研究 

在21世纪,图像数据作为信息描述和信息交流的一种方式被广泛使用。然而,图像在获取、传输、处理等过程中都会受到各种退化影响。为了维持、控制和强化图像质量,对图像质量退化的辨识和量化是非常重要的,因此必须发展有效的图像质量评价方法。 图像质量评价方法可分为主观评价法和客观评价法。由于人是图像信息的最终接受者,能直观...
中国地质大学  博士论文  2014年 下载次数(2021)| 被引次数(18)

Interpolation Fitting Algorithm in Time-Space Domain of Differential Barometric Altimetry 

In order to overcome the limitations of a unitary reference station in mobile communication positioning network differential barometric altimetry(DBA)and ...
《Journal of Beijing Institute of Technology》  2019年 第01期 下载次数(19)| 被引次数()

A reference voltage in capacitor–resister hybrid SAR ADC for front-end readout system of CZT detector 

An on-chip reference voltage has been designed in capacitor–resister hybrid SAR ADC for CZT detector with the TSMC 0.35μm 2P4M CMOS process.The voltage `#...
《Journal of Semiconductors》  2016年 第01期 下载次数(66)| 被引次数(0)

Establishment of Reference Intervals and Transfusion Criterion for Sonoclot Analysis 

Sonoclot analyzer has been widely used in many countries. But the reference intervals provided by the manufacturer were derived from only 45 participants,...
《Journal of Huazhong University of Science and Techno…》  2016年 第04期 下载次数(20)| 被引次数(4)

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