Báo cáo khoa học: "A Cascaded Linear Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" pdf
... tagging (Collins, 2002), Chinese word segmentation (Ng and Low, 2004; Zhang and Clark, 2007) and so on We trained a character-based perceptron for Chinese Joint S&T, and found that the perceptron ... the POS information and reported the F-measure on segmentation only, while the second performed Joint S&T using POS information and reported the F-measure both on seg...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: "Language Model Based Arabic Word Segmentation" pdf
... 4.7% 25,306 1.9% Table Language Model Vocabulary Size and Out of Vocabulary Ratio Manually Segmented Training Corpus Size 10 K Words 20 K Words 40 K Words 110 K Words Unknown Stem 1,844 (76.9%) ... adopted throughout the paper Arabic ا ﻟ ﻮﻻﻳ ﺎت ﺣ ﻴ ﺎﺗ ﻪ ﻟ ﻠﺤﺼ ﻮل اﻟ ﻰ Words Translit AlwlAyAt HyAth llHSwl AlY Prefixes Arabic Translit #ال Al# #ل# ال Arabic وﻻي ﺣ ﻴﺎ ﺣﺼ ﻮل...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: "A Stacked Sub-Word Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" potx
... F-score performance on the test data Conclusion and Future Work This paper has described a stacked sub -word model for joint Chinese word segmentation and POS tagging We defined a sub -word structure ... 2005) In this work, stacked learning is used to acquire extended training data for sub -word tagging 3.1 Method Architecture In our stacked sub -word model...
Ngày tải lên: 17/03/2014, 00:20
Báo cáo khoa học: "An Error-Driven Word-Character Hybrid Model for Joint Chinese Word Segmentation and POS Tagging" docx
... wordcharacter hybrid model for joint Chinese word segmentation and POS tagging Our approach has two important advantages The first is robust search space representation based on a hybrid model in which word- level ... levels of information about words and POS tags Let us introduce some notation We write w−1 and w0 for the surface forms of words, where subscripts...
Ngày tải lên: 17/03/2014, 01:20
Báo cáo khoa học: "Text Summarization Model based on Maximum Coverage Problem and its Variant" pot
... compression based on syntactic or heuristic rules McDonald (2007) formulated text summarization as a knapsack problem and obtained the global solution and its approximate solutions Its relation to ... contains conceptual units A and B, s2 contains A, and s3 contains B The proposed coverage -based methods can capture the fact that s1 has the same information as {s2 , s3...
Ngày tải lên: 17/03/2014, 22:20
Báo cáo hóa học: "Research Article Colour Vision Model-Based Approach for Segmentation of Traffic Signs" doc
... based on Hunt’s colour vision model [20–23] of a simplified theory of colour vision for chromatic adaptation together with a uniform colour space, and they conducted a series of psychophysical ... 6: The results of RGB segmentation Weather conditions Sunny Cloudy Rainy Segmentation results HCJ colour space (CIECAM97s) HSI colour space HCL colour space (CIELUV) Fig...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Blind Separation of Acoustic Signals Combining SIMO-Model-Based Independent Component Analysis and Binary Masking" doc
... D Kolossa and R Orglmeister, “Nonlinear postprocessing for blind speech separation, ” in Proceedings of 5th International Workshop on Independent Component Analysis and Blind Signal Separation ... Saruwatari, and K Shikano, Blind source separation of acoustic signals based on multistage ICA combining frequency-domain ICA and time-domain ICA,” IEICE Transactio...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Research Article Motion Segmentation and Retrieval for 3D Video Based on Modified Shape Distribution" pdf
... key components such as feature extraction, motion segmentation, and similarity evaluation among 3D video clips In particular, proper shape feature extraction from each 3D video frame and analysis ... X Wu, T Takai, and S Nobuhara, “Real-time 3D shape reconstruction, dynamic 3D mesh deformation, and high fidelity visualization for 3D video, ” Computer Vision and...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " A Real-Time Model-Based Human Motion Tracking and Analysis for Human Computer Interface Systems" docx
... A Real-Time Model-Based Human Motion Tracking and Analysis It can only track the restricted movement of walking human parallel to the image plane Another real time system, Pfinder [11], starts ... we may find x1 , the smallest x A Real-Time Model-Based Human Motion Tracking and Analysis 1653 each viewer to determine whether the foreground object is a facade v...
Ngày tải lên: 23/06/2014, 01:20
Báo cáo lâm nghiệp:"Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction" pptx
... Figure Log shape and internal knots reconstruction (a) stem cross cutting into logs; (b) scanning of flitches; (c) marking knots on the flitch sawing surface; (d) log and knots reconstruction in ... within the 20 Maritime pine stems MATERIALS AND METHODS 2.1 Tree sampling Twenty Maritime pine (Pinus pinaster Ait.) trees were randomly sampled fro...
Ngày tải lên: 08/08/2014, 01:21
dvanced robot control algorithms based on model based nonlinear velocity observers and adaptive friction compensation
... observer-controller without friction compensation In Chapter 6, an adaptive controller using filtered velocity for friction identification and compensation is presented The overall adaptive control ... Adaptive friction identification and compensation via filtered velocity - Tracking errors with adaptive friction compensation 6.3 85 93 Adaptive friction ident...
Ngày tải lên: 14/09/2015, 08:49
Model based segmentation and registration of multimodal medical images
... 2.3.4 Medical Image Registration 18 2.4 Landmark -based Registration 19 Voxel Property -based Registration 20 Registration Based on Image Segmentation 20 CT Bone Registration ... target and enhances segmentation accuracy by avoiding leakage and distraction by other objects The iterative segmentation/ registration method helps to refine the segmentation of MR im...
Ngày tải lên: 14/09/2015, 14:01
Model based cardiac CT segmentation and 3d heart reconstruction
... blood vessels in CT images 1.2 Thesis Objective The objective of this thesis is to develop an algorithm for segmenting and reconstructing 3D volumetric model of the hepatic veins from CT images The ... approaches and boundary -based approaches However, none of these algorithms can segment tree-structured blood vessels well from CT images Centerline -based approaches extract bl...
Ngày tải lên: 16/10/2015, 15:38