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Extraction of textual information from image for information retrieval

Extraction of textual information from image for information retrieval

Extraction of textual information from image for information retrieval

... Chapter Background Knowledge 2.1 Textual Information Extraction Techniques for Scanned Document Images Textual information extraction techniques for scanned images are divided into three categories: ... Spotting The ultimate goal of extracting textual information is for information retrieval The output of the extraction are passed to downstream retrieval applications First of all, I will make a very ... 20 2.2 Textual Information Extraction Techniques for camera-based images 22 2.3 Linear Geometric Deformation of Images 26 2.3.1 Skew of Scanned Document Images ...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Extraction of 3D Information from Circular Array Measurements for Auralization with Wave Field Synthesis" ppt

... variables of the circular array θ R 3D INFORMATION IN CIRCULAR ARRAY DATA The coordinates, variables, and geometry used in the following are specified in Figure A circular microphone array with radius ... seen from (2) S(α, ϕ, θ) = SEPARATION AND RECONSTRUCTION In the previous section, it was shown that the arrival time curves of plane waves in 2D array data contain 3D information This information ... inversion of either the forward or the adjoint transform In the present work, the adjoint transform is chosen to be inverted We therefore denote the result of the forward transform as approximation of...
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extraction of liquid crystals from flat panel display devices using both liquid and supercritical carbon dioxide

extraction of liquid crystals from flat panel display devices using both liquid and supercritical carbon dioxide

... Demonstration of the disassembly of a defunct LCD Carbon dioxide extraction was carried out using a Thar Technologies SFE-500F-2-FMC System and liquid withdrawal carbon dioxide (99.9 %) The extraction ... for extraction of liquid crystals from defunct display devices with high efficiency MATERIALS AND METHODS A LCD (Figure 2A) device may be disassembled by removal of screws securing the back panel ... potential recovery of tonnes of liquid crystals with a market value of between 27 and 187 million dollars dependent on liquid crystal quality; 900 kg of indium and 8,000 tonnes of optical quality...
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báo cáo hóa học:

báo cáo hóa học:" Regulatory activity of azabisphosphonate-capped dendrimers on human CD4+ T cell proliferation enhances ex-vivo expansion of NK cells from PBMCs for immunotherapy" potx

... T cell proliferation is direct and T cell restricted Regulatory activity of 3a-G1 upon CD4+ T cell proliferation is direct and T cell restricted a) CFSE dilution of CD4+ T cells within IL-2 treated ... representation of γδ -T cells (data not shown) but we were never able to detect any NKT (Vα 24+) cell or CD8+ T cell expansion under our conditions In contrast, we found that a proportion of CD4+ T cells ... that CD5+ and CD8+ cell depletion led to higher NK cell expansion yield providing support that T cells constitute a barrier for the expansion of NK cells IL-2 stimulation of PBMCs was shown to...
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extraction of essential oil from lemongrass using supercritical carbon dioxide

extraction of essential oil from lemongrass using supercritical carbon dioxide

... Properties of Lemongrass Oil 32 Table 5: Physicochemical Properties of main components of essential oil 34 Table 6: Investigation of SC CO2 extraction of essential oil from lemongrass ... result of Lemongrass essential oil from steam distillation, stem 106 Figure 38: GC result of Lemongrass essential oil from steam distillation, leaf 106 Figure 39: GC results of essential oil from ... results of essential oil from Lemongrass, Leaves (RSM) 169 Appendix I: Analyses results of essential oil from Lemongrass, stems (RSM) 174 x Appendix J: Effects of extraction conditions on extraction...
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Extraction of Vietnamese collocation from text corpora  trích chọn lọc collocation tiếng Việt từ kho ngữ liệu văn bản

Extraction of Vietnamese collocation from text corpora trích chọn lọc collocation tiếng Việt từ kho ngữ liệu văn bản

... are collocations? • Characteristics of a collocation? How many types of collocations? • Which must be extracted collocations for? • Concept of Vietnamese collocation and extraction Vietnamese collocations ... parsing for vietnamese KSE, 2009 [18] Dekang Lin Extracting Collocations from Text Corpora 1998 [19] Dekang Lin Extracting Collocations from Text Corpora 1998 [20] Dekang Lin Using collocation ... of 30 Figure 2.3 illustrates some of the collocation form a fixed noun phrase in Vietnamese Figure 2.3: Fixed noun phrase 2.3 Applications Collocations exist in a lot of text The concept of collocation...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Incorporating Context Information for the Extraction of Terms" pdf

... is called the Cartesian product Since context carries information about terms it should be involved in the procedure for their extraction We incorporate context information in the form of weights ... presents the higher density on terms among any other part of the list This top of the list, or else, the 'first' of these ranked candidate terms will give the weights to the context We take the top ... be the sum of the weights of its context words: wei(a) = Weight(b) + (4) b~C° where a is the examined n-gram, Ca the context of a, Weight(b) the calculated (from step 3) weight for the word b The...
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Báo cáo khoa học:

Báo cáo khoa học: "Knowledge-Based Weak Supervision for Information Extraction of Overlapping Relations" ppt

... non-local information into information extraction systems by gibbs sampling In Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL05), pages 363–370 Raphael Hoffmann, ... approach of Riedel et al (2010) for generating weak supervision data, computing features, and evaluating aggregate extraction We also introduce new metrics for measuring sentential extraction performance, ... outperforms the accuracy of the heuristic matches, at reasonable recall levels 7.4 Overlapping Relations Table also highlights some of the effects of learning with overlapping relations For example,...
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Báo cáo khoa học:

Báo cáo khoa học: "Effect of Utilizing Terminology on Extraction of Protein-Protein Interaction Information from Biomedical Literature" ppt

... 2002 Toward the extraction of protein-protein interaction information from immunology literature Proc of IPSJSIG-NL,150: 15-20 Jenssen, Tor-Kristian, et al 2001 A literature network of human genes ... use of a terminology dictionary does not always raise the extraction performance We analyzed sentences from which the information was correctly extracted when only the GPD was used but erroneously ... NP/NPL to the left of the "activat*" phrase • Extract the highest NP/NPL "ACK-2" Preliminary Evaluation We applied our extraction rules to two sets consisting of the parsing outputs from 100 sentences:...
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Comparison of Methods for the Extraction of Bioflocculants from Activated Sludge

Comparison of Methods for the Extraction of Bioflocculants from Activated Sludge

... an effort to develop an effective extraction method for bioflocculants from the microbial cell surface Materials and Methods Activated sludge samples Activated sludge samples were collected from ... was the most effective extraction method for activated sludge However, cell disruption is not effective for the isolation of bioflocculants Thus, NaOH extraction was the most effective method for ... polymer extraction methods (steaming extraction, NaOH extraction, SDS extraction, and washing extraction) were compared to develop an effective extraction method for bioflocculants from activated sludge...
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A STUDY ON EFFECTIVENESS OF APPLICATION INFORMATION TECHNOLOGY TOOLS IN TEACHING ENGLISH FOR IT VOCABULARY FOR SECOND YEAR STUDENTS AT VIETNAM KOREA INDUSTRIAL TECHNOLOGY COLLEGE

A STUDY ON EFFECTIVENESS OF APPLICATION INFORMATION TECHNOLOGY TOOLS IN TEACHING ENGLISH FOR IT VOCABULARY FOR SECOND YEAR STUDENTS AT VIETNAM KOREA INDUSTRIAL TECHNOLOGY COLLEGE

... the 2nd year students in IT Faculty at VKITC? What are the students opinions and attitudes towards the utilization of the class website in their IT vocabulary learning? What difficulties students ... meaning rather than on the explicit goal of learning new words” Proponents of incidental vocabulary learning often point to research results that demonstrate vocabulary acquisition in the absence ... literature review including the overview of CALL, Incidental vocabulary acquisition, the benefits of the Internet in Second language Education and the World Wide Web as a Second Language Teaching...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... presented a study of document representations for sentiment analysis using term weighting functions adopted from information retrieval and adapted to classification The proposed weighting schemes ... provides information about the general distribution of term i amongst documents of all classes, without providing any additional evidence of class preference The utilization of idf in information retrieval ... from Information Retrieval (IR) and adapt it to the domain of sentiment classification 3.1 The classic tf.idf weighting schemes The classic tf.idf formula assigns weight wi to term i in document...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Kinds of Features for Chinese Opinionated Information Retrieval" pdf

... found set of features for text classification (indexing) for an OIR query of the first level (finds opinionated information) and for an OIR query of the second level (finds opinionated information ... kinds of features for retrieval of Chinese opinionated information As stated earlier (see Section 1), we assume that the task of retrieval of opinionated texts (OIR) can be regarded as a subtask of ... purpose of the first experiment was to find the most effective kind of features for sentiment polar- ity discrimination (detection) which can be used for OIR Nie et al (2000) found that for Chinese...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "REPRESENTATION OF TEXTS FOR INFORMATION RETRIEVAL" pdf

... relations; and foregrounding devices (Figure 4) 148 Belkin, N.J., Brooks, H.M., and Oddy, R.N 1979 Representation and classification of knowledge and information for use in interactive information ... constraints typical of DR systems The modi~,cations are designed to recognize such aspects of discourse structure as establishment of topic; "setting of context; summarizing; concept foregrounding; ... correct for the distortion caused by the distribution of function words in the recognition of multi-word concepts N=14 Our current modifications to the analysis consist primarily of methods for translating...
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Báo cáo khoa học:

Báo cáo khoa học: "Automatic Compilation of Travel Information from Automatically Identified Travel Blogs" doc

... Extraction of Travel Information from Blogs Data sets and experimental settings To confirm that travel blogs are a useful information source for the extraction of travel information, we extracted travel ... (1) identification of travel blogs and (2) extraction of travel information from them We explain these steps in Sections 3.1 and 3.2 3.1 travel each 416 cue phrase, such as '旅行 (travel) ', 'ツ ア ー ... of Travel Information from Blogs We extracted pairs comprising a location name and a local product from travel blogs, which were identified in the previous step For the efficient extraction of...
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