Video segmentation temporally constrained graph based optimization

... Graph Based Semi-Supervised Learning for Entailment Ranking We formulate semi-supervised entailment rank scores as follows Let each data point in X = {x1 , , xn }, xi ∈ d represents information ... Large-scale algorithms In In: SemiSupervised Learning, pages 333–341 MIT Press Nguyen Thanh Tri, Nguyen Minh Le, and Akira Shimazu 2006 Using semi-supervised learning for question cl...

Ngày tải lên: 20/02/2014, 07:20

... Workshop on Machine Learning for Web Search A Carlson, J Betteridge, R.C Wang, E.R Hruschka Jr, and T.M Mitchell 2010 Coupled Semi-Supervised Learning for Information Extraction In Proceedings of the ... reproducible research in this area Topics for future work include the incorporation of other kinds of semantic constraint for improved class-instance acquisition, further...

Ngày tải lên: 07/03/2014, 22:20

... graph in figure This is a common constraint in many dependency parsing theories and their implementations 2.2 Graph-Based Models Graph-based dependency parsers parameterize a model over smaller ... adjectives, adverbs, adpositions, and conjunctions Given that there is a strong negative correlation between dependency length and tree depth, and given that nouns and pronouns t...

Ngày tải lên: 08/03/2014, 01:20

... bigram w1 w2 single-character word w a word starting with character c and having length l a word ending with character c and having length l space-separated characters c1 and c2 character bigram ... each candidate in the source agenda and puts the generated candidates onto the target agenda After each character is processed, the items in the target agenda are copied to the source agen...

Ngày tải lên: 08/03/2014, 02:21

... advantages of the transition-based strategy, the integrated algorithm we are looking for has to be transition-based at the top level The advantages of the graph-based approach – a more globally informed ... issue of transition-based parsing: in many situations, a transition-based parser is forced to make an attachment decision for a given input word at a point...

Ngày tải lên: 17/03/2014, 22:20

... wDLM (4) Parsing with dependency language model In this section, we propose a parsing model which includes the dependency language model by extending the model of McDonald et al (2005) 3.1 Graph-based ... systems on the English data Dependency language model Language models play a very important role for statistical machine translation (SMT) The standard Ngram based...

Ngày tải lên: 23/03/2014, 14:20

... Figure 1: An example of annotation projection for relation extraction of a bitext in English and Korean Cross-lingual Annotation Projection for Relation Extraction Relation extraction can be considered ... direct projection (Kim et al., 2010) and graph-based projection approach Table shows the performances of the relation extraction of the two systems The graph-base...

Ngày tải lên: 23/03/2014, 14:20

... Haga and Marold (2004), and Haga and Marold (2005) present a series of papers involving heuristic crashing methods for project management utilizing simulation Haga and Marold (2004), propose a ... comparison – Original versus Optimal 3.3 Dynamic Crashing Example (Phases I and II) Phase II: Dynamic Crashing In Phase I, prior to the start of the project an initial optimal...

Ngày tải lên: 29/03/2014, 23:20

Ngày tải lên: 30/03/2014, 17:20

... oracles in addition to two variants of our graph-based approach We were intentionally lenient with our baselines: • EM-HMM: A traditional HMM baseline, with multinomial emission and transition ... the “No LP” and With LP” models for which we can impose constraints correct tag is available as a constraint feature in the With LP” case Conclusion We have shown the efficacy of graph-based...

Ngày tải lên: 30/03/2014, 21:20

... LexRank also allows for negative relevance to be propagated through the network as the example shows See Figures 2– for a demonstration of Biased LexRank   ¢ ¡   Technical information 5.1 Code ... problem The XML DTD allows layout information to be encoded along with algorithmic information such as label and polarity Thorsten Joachims 1999 Transductive inference for text classification u...

Ngày tải lên: 31/03/2014, 01:20

... the text, and interconnects words or other text entities with meaningful relations For the task of sentence extraction, the goal is to rank entire sentences, and therefore a vertex is added to ... from a sentence to sentences that follow in the text (directed forward); or (c) directed weighted graph with the orientation of edges set from a sentence to previous sentences...

Ngày tải lên: 31/03/2014, 03:20

... played back as MPEG-4 video for the student There are, however, several reasons against showing a video of the lecturer next to slides or the blackboard visualization The video shows the instructor ... object extraction or the technical requirements for the segmentation that made the systems suboptimal It is therefore important that the lecturer segmentation approach is either e...

Ngày tải lên: 22/06/2014, 06:20

... continuity Image segmentation lays the foundation for video segmentation, which is essentially an image segmentation problem constrained by temporal coherence To devise an effective video segmentation ... Introduction 1.1 The Video Segmentation Problem Video segmentation has attracted substantial research interests and effort in the past decade as it assumes a major role...

Ngày tải lên: 16/10/2015, 15:37