Bayesian learning of concept ontology for automatic image annotation

... ix List of Tables 2.1 Published results of state -of- the-art AIA models …………………………….29 2.2 The average number of training images for each class of CMRM…………….30 3.1 Performance comparison of a few ... two strategies of Top N_P and LM (Likelihood Measure) to filter out the low-quality additional images for a concept class by checking the ‘goodness’ of concept annotations...

Ngày tải lên: 12/09/2015, 09:03

... is the best of the models for entity annotation which have been evaluated Related Research Using text that accompanies the image for annotating images and for training image recognition is not ... appearing in the image than less important persons Because of the short lengths of the documents in our corpus, an analysis of lexical cohesion between terms in the text will not be su...

Ngày tải lên: 23/03/2014, 18:20

... size of the set of candidate phrases We deal with this problem in two directions First we change the objective function by incorporating a prior over the phrasal parameters This has the effect of ... distribution of phrase pairs may bias the estimator toward skewed distributions that generalize better In the context of phrasal models, this means learning the more representativ...

Ngày tải lên: 17/03/2014, 02:20

... , and Dan oe Klein 2008 Sampling alignment structure under a Bayesian translation model In EMNLP Thomas S Ferguson 1973 A Bayesian analysis of some nonparametric problems Annals of Mathematical ... corpus as a stochastic grammar In Proc ACL Rens Bod 2001 What is the minimal set of fragments that achieves maximal parse accuracy In Proc ACL David Chiang and Daniel M Bikel 2002 Recov...

Ngày tải lên: 17/03/2014, 02:20

... Figure Examples of dependency structure (a) A dependency structure of an English sentence Square brackets indicate base NPs; underlined words are the headwords (b) A Japanese equivalent of (a) Slashes ... elements of the DLM that assign probability to each possible W and its most probable D, P(W, D) Finally, we present an EM-like iterative method for unsupervised learning...

Ngày tải lên: 17/03/2014, 06:20

... 1.1.1 Semantic Image Annotation 1.1.2 Single -Label Learning for Semantic Image Annotation Multi- Label Learning for Semantic Image Annotation 1.2.1 Multi- Label Learning ... single -label learning, multi- label learning and semi-supervised learning before delving deep into the proposed models of multi- label learning for semantic image...

Ngày tải lên: 10/09/2015, 09:21

... researches on automatic text summarization Since this thesis focuses on the task of summarizing multiple technical papers, the related studies of multi- document summarization and technical paper summarization ... in summarizing multiple technical papers and to provide a basement for further researches An automatic summarization framework for multiple technica...

Ngày tải lên: 11/09/2015, 16:06

... between words and image features and uses them to predict annotations for new images Duygulu et al (2002) improve on this model by treating image regions and keywords as a bi -text and using the EM ... is mostly on image processing and good feature selection (e.g., colour, texture, contours) rather than the annotation task itself Recently, much progress has been made on the image...

Ngày tải lên: 31/03/2014, 00:20

... found in that action This paper is organized as follows Section explains the principles of human action modeling In Section we introduce a new dense matching algorithm for human motion sequences synchronization ... main modes of variation for the walking action obtained from PCA explain the combined motion of both the legs and the arms, while in the bending action...

Ngày tải lên: 21/06/2014, 19:20

... difficulties in learning the listening skill in the Asemlink of international languages center it is better to base on the study 3.2.3 Study of teaching and learning the English listening skill in the Asemlink ... experiences, the author would like to a research titled A Study of Difficulties in Learning English Listening...

Ngày tải lên: 14/12/2013, 00:41

... D, U ) = d Generalized Expectation Criteria for Conditional Random Fields k θk 2σ − λD(ˆ||˜θ ), p p Prior semi-supervised learning methods have augmented a limited amount of fully labeled data ... generalized expectation criteria for linear-chain conditional random fields, a new semi-supervised training method that makes use of labeled features rather than labeled...

Ngày tải lên: 20/02/2014, 09:20

... images instead of text files In this context, one can swipe regions of the image to create a selection, and assign features to the selection Since stand-off annotation is used for both text and ... embedding of segments Annotated texts are stored using stand-off XML, one file per source text and layer See Figure for a sample The software does not currently input...

Ngày tải lên: 20/02/2014, 09:20

... the following two rows report the cross-pair similarity carried out with Eq with (Synt Trees with placeholders) and without (Only Synt Trees) augmenting the trees with placeholders, respectively ... tree t, the set of its nodes N (t), and a set of anchors, we build a tree t with all the nodes N that are anchors or ancestors of any anchor Moreover, we add to t the leaf nodes...

Ngày tải lên: 20/02/2014, 12:20

... algorithm, since this forms the basis of our features The SPADE features are based on productions extracted from full syntactic parses of the given sentence The primary feature for a discourse boundary ... the RST-DT not correspond to a well-formed subtree in the human annotated discourse parse for that document Therefore, to perform accurate and efficient parsing of the RST-...

Ngày tải lên: 08/03/2014, 02:21

... trajectory data There is a one way flow of data from the tracker consisting of frame by frame updates to the position in the image plane of the centroid of uniquely labelled objects The detection of atypical ... space of the leaky neuron outputs, and thus model the pdf of these activations Further work is required to assess the distortion to the pdf of trajec...

Ngày tải lên: 16/03/2014, 19:20