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检索条件"机构=Textual and Visual Pattern Analysis Xerox Research Centre Europe"
19 条 记 录,以下是11-20 订阅
排序:
Modeling images as mixtures of reference images
Modeling images as mixtures of reference images
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Conference on Computer Vision and pattern Recognition (CVPR)
作者: Florent Perronnin Yan Liu Xerox Research Centre Europe (XRCE) Textual and Visual Pattern Analysis (TVPA) France
A state-of-the-art approach to measure the similarity of two images is to model each image by a continuous distribution, generally a Gaussian mixture model (GMM), and to compute a probabilistic similarity between the ... 详细信息
来源: 评论
High-Dimensional Signature Compression for Large-Scale Image Classification
High-Dimensional Signature Compression for Large-Scale Image...
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IEEE Conference on Computer Vision and pattern Recognition
作者: Jorge Sanchez Florent Perronnin Textual and Visual Pattern Analysis (TVPA) group Xerox Research Centre Europe (XRCE)
We address image classification on a large-scale, i.e. when a large number of images and classes are involved. First, we study classification accuracy as a function of the image signature dimensionality and the traini... 详细信息
来源: 评论
Handwritten Word Image Retrieval with Synthesized Typed Queries
Handwritten Word Image Retrieval with Synthesized Typed Quer...
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International Conference on Document analysis and Recognition
作者: José A. Rodríguez-Serrano Florent Perronnin Computer Vision Centre Universitat Authnòma de Barcelona Spain Textual and Visual Pattern Analysis Xerox Research Centre Europe France
We propose a new method for handwritten word-spotting which does not require prior training or gathering examples for querying. More precisely, a model is trained ldquoon the flyrdquo with images rendered from the sea... 详细信息
来源: 评论
Asymmetric distances for binary embeddings
Asymmetric distances for binary embeddings
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Conference on Computer Vision and pattern Recognition (CVPR)
作者: Albert Gordo Florent Perronnin Computer Vision Center Universitat Autònoma Barcelona Spain Textual and Visual Pattern Analysis Xerox Research Centre Europe France
In large-scale query-by-example retrieval, embedding image signatures in a binary space offers two benefits: data compression and search efficiency. While most embedding algorithms binarize both query and database sig... 详细信息
来源: 评论
Fisher Kernels for Handwritten Word-spotting
Fisher Kernels for Handwritten Word-spotting
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International Conference on Document analysis and Recognition
作者: Florent Perronnin Jose A. Rodriguez-Serrano Textual and Visual Pattern Analysis Xerox Research Centre Europe France Computer Vision Centre Universitat Authnòma de Barcelona Spain
The Fisher kernel is a generic framework which combines the benefits of generative and discriminative approaches to pattern classification. In this contribution, we propose to apply this framework to handwritten word-... 详细信息
来源: 评论
A Bag-of-Pages Approach to Unordered Multi-page Document Classification
A Bag-of-Pages Approach to Unordered Multi-page Document Cla...
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International Conference on pattern Recognition
作者: Albert Gordo Florent Perronnin Computer Vision Center Universitat Autònoma Barcelona Spain Xerox Research Centre Europe Textual and Visual Pattern Analysis (TVPA) France
We consider the problem of classifying documents containing multiple unordered pages. For this purpose, we propose a novel bag-of-pages document representation. To represent a document, one assigns every page to a pro... 详细信息
来源: 评论
Unsupervised writer style adaptation for handwritten word spotting
Unsupervised writer style adaptation for handwritten word sp...
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International Conference on pattern Recognition
作者: Jose A. Rodriguez Florent Perronnin Gemma Sanchez Josep Llados Xerox Research Centre Europe Textual and Visual Pattern Analysis (TVPA) France Computer Vision Center (CVC) Universitat Authnòma de Barcelona Spain
We propose a novel approach for writer adaptation in a word spotting task. The method exploits the fact that a semi-continuous hidden Markov model separates the word model parameters into (i) a shared codebook of shap... 详细信息
来源: 评论
Leveraging category-level labels for instance-level image retrieval
Leveraging category-level labels for instance-level image re...
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Conference on Computer Vision and pattern Recognition (CVPR)
作者: Albert Gordoa José A. Rodríguez-Serrano Florent Perronnin Ernest Valveny Computer Vision Center Universitat Autònoma de Barcelona Spain Textual and Visual Pattern Analysis Xerox Research Center Europe France
In this article, we focus on the problem of large-scale instance-level image retrieval. For efficiency reasons, it is common to represent an image by a fixed-length descriptor which is subsequently encoded into a smal... 详细信息
来源: 评论
A family of contextual measures of similarity between distributions with application to image retrieval
A family of contextual measures of similarity between distri...
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Conference on Computer Vision and pattern Recognition (CVPR)
作者: Florent Perronnin Yan Liu Jean-Michel Renders Textual and Visual Pattern Analysis (TVPA) Xerox Research Centre Europe France Laboratoire dInformatique en Image et Systmes dInformation (LIRIS) Ecole Centrale de Lyon Limited France
We introduce a novel family of contextual measures of similarity between distributions: the similarity between two distributions q and p is measured in the context of a third distribution u. In our framework any tradi... 详细信息
来源: 评论