نتایج جستجو برای: bag of visual word
تعداد نتایج: 21204809 فیلتر نتایج به سال:
Text categorization is the task of assigning predefined categories to natural language text. With the widely used “bag-ofword” representation, previous researches usually assign a word with values that express whether this word appears in the document concerned or how frequently this word appears. Although these values are useful for text categorization, they have not fully expressed the abunda...
Extensive research efforts have been dedicated to 3D model retrieval in recent decades. Recently, view-based methods have attracted much research attention due to the high discriminative property of multi-views for 3D object representation. In this report, we summarize the view-based 3D model methods and provide the further research trends. This paper focuses on the scheme for matching between ...
1Department of Nutrition, School of Mathematics, Science and Engineering, University of the Incarnate Word, CPO #311, 4301 Broadway, San Antonio, Texas 78209, USA 2Faculty of Health, School of Medicine, Wicking Dementia Research and Education Centre, University of Tasmania, Private Bag 143, Hobart, Tasmania 7001, Australia *Corresponding author: Lynette R. Goldberg, PhD Faculty of Health School...
a major concern in the last few years has been the fact that the cultural centers are keeping distance with what they have been established for and instead of reproducing the hegemony, they have turned into a place for resistance and reproduction of resistance against hegemony. because the cultural centers, as urban public spaces in the last two decades, have been the subject of ideological dis...
Word: The Impact of Word Representation on Sequence Labelling Tasks Lizhen Qu, Gabriela Ferraro, Liyuan Zhou, Weiwei Hou, Nathan Schneider and Timothy Baldwin 1 NICTA / Locked Bag 8001, ACT 2601, Australia 2 The Australian National University 3 The University of Melbourne, VIC 3010, Australia 4 University of Edinburgh, EH8 9AB, UK. {lizhen.qu,gabriela.ferraro,liyuan.zho,weiwei.hou}@nicta.com.au...
Abstract Objectives: This study compared some cognitive activities of two groups of patients: those suffering from post-traumatic stress disorder and those suffering from anxiety and depression. Method: 20 patients in each group were studied through semi-structured interviews, cognitive tests of learning, visual and verbal pairs associations, digit span, word fluency, learning digit, and Verbal...
magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...
LiDAR (light detection and ranging), as an active sensor, is investigated in the simultaneous localization mapping (SLAM) system. Typically, a SLAM system consists of front-end odometry back-end optimization modules. Loop closure pose graph are key factors determining performance However, works at single wavelength (905 nm), few textures or visual features extracted, which restricts point cloud...
Bag-of-Words approach has played an important role in recent works for image classification. In consideration of efficiency, most methods use kmeans clustering to generate the codebook. The obtained codebooks often lose the cluster size and shape information with distortion errors and low discriminative power. Though some efforts have been made to optimize codebook in sparse coding, they usuall...
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