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Dissertations / Theses on the topic 'Automatic threshold'

Author: Grafiati

Published: 11 September 2023

Last updated: 26 July 2025

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1

Braseth, Jørgen. "Automatic Configuration for Collective Construction : Automatic parameter setting for response threshold agents in collective construction." Thesis, Norwegian University of Science and Technology, Department of Computer and Information Science, 2007. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-8748.

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2

Xie, Kaicheng. "Automatic Utility Meter Reading." Cleveland State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1270587412.

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3

Jeuthe, Julius. "Automatic Tissue Segmentation of Volumetric CT Data of the Pelvic Region." Thesis, Linköpings universitet, Medicinsk informatik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-133153.

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Automatic segmentation of human organs allows more accurate calculation of organ doses in radiationtreatment planning, as it adds prior information about the material composition of imaged tissues. For instance, the separation of tissues into bone, adipose tissue and remaining soft tissues allows to use tabulated material compositions of those tissues. This approximation is not perfect because of variability of tissue composition among patients, but is still better than no approximation at all. Another use for automated tissue segmentationis in model based iterative reconstruction algorithms.

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SILVA, Joberth de Nazaré. "Detecção automática de massas em mamografias digitais usando Quality Threshold clustering e MVS." Universidade Federal do Maranhão, 2013. http://tedebc.ufma.br:8080/jspui/handle/tede/1834.

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Submitted by Rosivalda Pereira (mrs.pereira@ufma.br) on 2017-08-16T18:29:06Z No. of bitstreams: 1 JoberthSilva.pdf: 6383640 bytes, checksum: f18918eb45c49cb426b560e4daddf994 (MD5)<br>Made available in DSpace on 2017-08-16T18:29:06Z (GMT). No. of bitstreams: 1 JoberthSilva.pdf: 6383640 bytes, checksum: f18918eb45c49cb426b560e4daddf994 (MD5) Previous issue date: 2013-02-20<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Breast cancer is worldwide the most common form of cancer affecting woman, sometimes in their lives, at the proportion of either one to nine or one to

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5

Zhang, Zai Yong. "Simultaneous fault diagnosis of automotive engine ignition systems using pairwise coupled relevance vector machine, extracted pattern features and decision threshold optimization." Thesis, University of Macau, 2011. http://umaclib3.umac.mo/record=b2493967.

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6

Anderson, Foery Kristen R. "Triggering the Lombard effect: Examining automatic thresholds." Connect to online resource, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1460856.

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7

Schairer, Kim, Elizabeth Kolberg, Douglas H. Keefe, Denis Fitzpatrick, Daniel Putterman, and Patrick Feeney. "Automated Wideband Acoustic Reflex Threshold Test." Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/etsu-works/1803.

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Acoustic reflex thresholds (ARTs) are used clinically as a cross check for behavioral results and as a measure of 7th and 8th cranial nerve function. In clinical test batteries, ARTs are measured as a change in middle ear admittance of a pure tone probe in the presence of a pure tone or broadband noise (BBN) reflex activator. ARTs measured using a wideband probe may yield lower thresholds because the criterion change for 'present' reflexes can be observed across a range of frequencies rather than at a single frequency. ARTs were elicited in a group of 25 adults with normal hearing using a 226-

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8

Djiallis, Caroline Helen. "Variability of the automated perimetric threshold response." Thesis, Cardiff University, 2005. http://orca.cf.ac.uk/54548/.

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The thesis investigated aspects of the perimetric threshold estimate with the aim of facilitating the outcome of the visual field examination. The difference in performance of the three current short-duration commercially available algorithms, SITA Standard, SITA Fast and TOP was investigated, relative to their respective 'gold standards' and to each other, in two separate studies of normal individuals and of patients with open angle glaucoma (OAG). The results for the normal individuals suggested that the TOP algorithm will overestimate the severity of the field loss relative to the Octopus T

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9

Van, Tonder Jessica Jacqueline. "Automated smartphone threshold audiometry : validity and time-efficiency." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/60435.

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Automated smartphone-based threshold audiometry has the potential to provide affordable audiometric services in underserved contexts where adequate resources and infrastructure are lacking. This study investigated the validity of the threshold version (hearTest) of the hearScreen™ smartphone-based application using inexpensive smartphones (Android OS) and calibrated supra-aural headphones. A repeated-measures, within-subject, study design was employed, comparing automated smartphone audiometry air conduction thresholds (0.5 to 8 kHz) to conventional audiometry thresholds. A total of 95 partic

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10

Pierce, Luke. "NANOPIPELINED THRESHOLD SYNTHESIS USING GATE REPLICATION." OpenSIUC, 2011. https://opensiuc.lib.siu.edu/theses/694.

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Threshold logic gates allow for complex multi-input functions to be implemented using a single gate reducing the power and area of the circuit. Clocked based threshold gates have the additional advantage of its capability of being nanopipelined to increase network throughput. To produce a threshold network the proposed algorithm accepts a traditional algebraic boolean network as an input and resynthesizes it into a nanopipelined threshold logic network. The algorithm is the first to our knowledge that synthesizes in a manner to not only minimize the number of clusters produced from synthesizi

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11

Sebastian, Johny. "A Temperature stabilised CMOS VCO based on amplitude control." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/33447.

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Speed, power and reliability of analogue integrated circuits (IC) exhibit temperature dependency through the modulation of one or several of the following variables: band gap energy of the semiconductor, mobility, carrier diffusion, current density, threshold voltage, interconnect resistance, and variability in passive components. Some of the adverse effects of temperature variations are observed in current and voltage reference circuits, and frequency drift in oscillators. Thermal instability of a voltage-controlled oscillator (VCO) is a critical design factor for radio frequency ICs, such as

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12

Brusehafer, Katja. "Automated chromosome damage analysis to investigate thresholds for genotoxic agents." Thesis, Swansea University, 2013. https://cronfa.swan.ac.uk/Record/cronfa43178.

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Genotoxicology involves the assessment of a substance’s ability to induce DNA damage after exposure to humans. DNA damage is an underlying cause of mutations that are likely to initiate carcinogenesis. Furthermore, the investigation of low dose responses in genotoxicology testing helps to improve health risk assessment by establishing whether DNA reactive compounds follow linear or non-linear (thresholded) dose response relationships. The current assumption for direct acting genotoxins is that the relationship between exposure to genotoxic chemicals, DNA damage formation and the induction of m

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13

Kuhner, Joseph T. "Automating the Detection of Precipitation and Wind Characteristics in Navy Ocean Acoustic Data." ScholarWorks@UNO, 2018. https://scholarworks.uno.edu/td/2567.

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A challenge in Underwater Acoustics is identifying the independent variables associated with an environment’s ambient noise. A strict definition of ambient noise would focus on non-transient signatures and exclude transient impacts from marine mammals, pelagic fish species, man-made sources, or weather events such as precipitation or wind speeds. Recognizing transient signatures in acoustic spectra is an essential element for providing environmental intelligence to the U.S. Navy, specifically the acoustic signatures from meteorological events. While weather event detection in acoustic spectra

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14

Pacey, Ian Edward. "Variability of the perimetric response in normals and in glaucoma." Thesis, Aston University, 1998. http://publications.aston.ac.uk/14648/.

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This study investigated the variability of response associated with various perimetric techniques, with the aim of improving the clinical interpretation of automated static threshold perirnetry. Evaluation of a third generation of perimetric threshold algorithms (SITA) demonstrated a reduction in test duration by approximately 50% both in normal subjects and in glaucoma patients. SITA produced a slightly higher, but clinically insignificant, Mean Sensitivity than with the previous generations of algorithms. This was associated with a decreased between-subject variability in sensitivity and hen

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15

Homer, Daniel C. "Population Fit Threshold: Fully Automated Signal Map generation for Baseline Correction in NMR-based Metabolomics." Wright State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=wright1271689072.

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16

Larsson, Patrik. "Automatisk FAQ med Latent Semantisk Analys." Thesis, Linköping University, Department of Computer and Information Science, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-53672.

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<p>I denna uppsats presenteras teknik för att automatiskt besvara frågor skrivna i naturligt språk, givet att man har tillgång till en samling tidigare ställda frågor och deras respektive svar.</p><p>Jag bygger ett prototypsystem som utgår från en databas med epost-konversationer från HP Help Desk. Systemet kombinerar Latent Semantisk Analys med en täthetsbaserad klustringsalgoritm och en enkel klassificeringsalgoritm för att identifiera frekventa svar och besvara nya frågor.</p><p>De automatgenererade svaren utvärderas automatiskt och resultaten jämförs med de som tidigare presenterats för sa

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17

Hurpeau, Jean-Christophe. "Étude de modifications de la sensibilité cutanée après microchirurgie reconstructrice des membres supérieurs et de la main en particulier : métrologie et modélisation informatique associées." Vandoeuvre-les-Nancy, INPL, 1996. http://www.theses.fr/1996INPL151N.

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Parmi les conséquences des lésions de nerfs périphériques sur la sensibilité cutanée, les médecins observent a- une baisse des seuils de sensibilité cutanée à la pression, b- une hypersensibilité au froid engendrant parfois des sensations de douleur (paresthésies, hyperpathie, allodynie). Les objectifs de ce travail sont a- de concevoir un dispositif de mesure automatisé du seuil de sensibilité cutanée à la pression et b- de proposer une modélisation à partir d'une hypothèse initiale suggérant les causes possibles de ces symptômes. Une démarche basée sur une analyse systématique des problèmes

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18

Chakraborty, Debaditya. "Detection of Faults in HVAC Systems using Tree-based Ensemble Models and Dynamic Thresholds." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1543582336141076.

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19

Mancino, Massimo. "Design of an automated system for continuous monitoring of dairy cow behaviour in free-stall barns." Doctoral thesis, Università di Catania, 2017. http://hdl.handle.net/10761/3952.

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Change in cows behaviours is one of the indicators useful to help identifying when animals become ill. The need to analyse a large number of animals at a time due to the increase in the herd dimension in intensive farming has led to the use of automated systems. Among automated systems, inertial sensor-based systems have been utilised to distinguish behavioural patterns in livestock animals. In this field, the overall aim of this thesis work, which was inherent to the field of the Precision Livestock Farming, was to contribute to the improvement of the systems based on wearable sensors that a

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20

Norgren, Tommy, and Jonathan Styrud. "Non-periodic sampling schemes for control applications." Thesis, Uppsala universitet, Signaler och System, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-154500.

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In recent years, research in the field of automation has been advancing quickly in the direction of wireless networks of sensors and actuators. This development has introduced a need to reduce the amount of communication. A number of different alternative schemes have been proposed. They are usually divided into event-triggered schemes and self-triggered ones. The main purpose of this Master's thesis was to further develop and evaluate the sesampling schemes, focusing on their needed communication. The effect on control performance by the different schemes was also taken into account. Because

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21

Van, Rooijen Lorijn. "Une approche combinatoire du problème de séparation pour les langages réguliers." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0229/document.

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Le problème de séparation pour une classe de langages S est le suivant : étant donnés deux langages L1 et L2, existe-t-il un langage appartenant à S qui contient L1, en étant disjoint de L2 ? Si les langages à séparer sont des langages réguliers, le problème de séparation pour la classe S est plus général que le problème de l'appartenance à cette classe, et nous fournit des informations plus détaillées sur la classe. Ce problème de séparation apparaît dans un contexte algébrique sous la forme des parties ponctuelles, et dans un contexte profini sous la forme d'un problème de séparation topolog

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Campbell, Robert David James. "Information processing in microtubules." Thesis, Queensland University of Technology, 2002.

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23

Benabdallah, Mohammed. "Spéciation de l'étain en traces dans l'environnement aquatique par spectrophotométrie d'absorption atomique électrothermique." Pau, 1987. http://www.theses.fr/1987PAUU3026.

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La technique de l'absorption atomique au four graphite est utilisée seule pour le dosage de l'étain total et associée à la chromatographie liquide à haute performance pour la spéciation; un couplage automatisé original a été mis au point, puis appliqué à l'étude de la séparation en chromatographie d'exclusion stérique de composés organostanniques de la famille des butylétains. La limite de détection de ce système est de 25 mg d'étain en tête de colonne. Une modification du passeur injecteur automatique d'échantillons utilisé dans cette étude a été concue. Elle a permis de faire passer le rappo

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Chen, W. J., and 陳王政. "Automatic Threshold Selection for Segmentation." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/12793964146666445124.

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SWARUP, JYOTI. "OBJECT SEGMENTATION USING REGION GROWING AND EDGE CONSTRAINTS." Thesis, 2013. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14248.

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This thesis focuses upon Object Segmentation which plays an important role in the field of computer vision. The image segmentation problem is concerned with partitioning an image into multiple regions according to some homogeneity criterion. Object segmentation is used to typically locate objects and boundaries in images. The proposed object segmentation method is an integration of region growing and edge information. This method automatically selects the initial seed and determines the threshold with the help of a 20x20 window across the center pixel for single seeded region growing. Au

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26

Tseng, I.-Chun, and 曾奕鈞. "Automatic Recognition, Identification and Maintenance Threshold Determination for Pavement MarkingsMaster Thesis." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/61873129184760624716.

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碩士<br>國立臺灣大學<br>土木工程學研究所<br>103<br>The specifications of pavement markings in Taiwan focus on marking’s material, painting location and its form. The only specification describes the maintenance standard is Taiwan Roadway Traffic Road Markings Specifications. However, it barely describes the rough maintenance threshold and does not mention the measurement. Nowadays, pavement markings get repainted after the milling of pavement. Sometimes it depends on the judgment by government officials eyes, which is not objective. Pavement markings provide important information for drivers while drivin

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Gritzman, Ashley Daniel. "Adaptive threshold optimisation for colour-based lip segmentation in automatic lip-reading systems." Thesis, 2016. http://hdl.handle.net/10539/22664.

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A thesis submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, Johannesburg, in ful lment of the requirements for the degree of Doctor of Philosophy. Johannesburg, September 2016<br>Having survived the ordeal of a laryngectomy, the patient must come to terms with the resulting loss of speech. With recent advances in portable computing power, automatic lip-reading (ALR) may become a viable approach to voice restoration. This thesis addresses the image processing aspect of ALR, and focuses three contributions to colour-based lip segmentation.

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28

Weng, Yu-Yen, and 翁郁硯. "A study on automatic deep learning image transfer using multi-threshold color transfer." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5396050%22.&searchmode=basic.

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碩士<br>國立中興大學<br>資訊管理學系所<br>107<br>In recent years, with the rapid development of deep learning technology, many theses are gradually devoted themselves to the use of computers in the field of Generative art. It is mainly through the feature extraction ability of the deep neural network to let the computer automatically learn and create. An image transfer technology is to transfer the color and style of the image which you prefer (referred to as a target image) to an origin image (referred to as a content image). This paper proposes an image style transfer technology based on the color and styl

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29

Lin, Guan-Shian, and 林冠憲. "An automatic method for determining fringe-contrast threshold in applying phase-shifting technique to 3D measurement of flip-chip solder bumps." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/74272146374990757186.

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碩士<br>聖約翰科技大學<br>自動化及機電整合研究所<br>94<br>Because the electronic products face unceasingly light、 thin、 short、small and multi-purpose, it is more and more important to be provided with high I/O lead bonding of the flip chip packaging. In order to increase I/O density, the pitch of flip chip and the height of solder bump become more and more small, resulting the yield of flip-chip packaging to decrease. The most important factors of influencing the yield of flip-chip packaging are the height and volume of solder bump. Therefore, three-dimensional (3D) measurement is needed in manufacturing process

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Lin, Yu-Yun, and 林郁芸. "Design Automation for Sub-Threshold Operational Amplifier Circuits." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/80723540973249436258.

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碩士<br>國立中央大學<br>電機工程學系<br>105<br>Power has become the primary design constraint for chip designers today. To reduce power and increase service time, low-voltage low-power design becomes more and more important. One of the possible ways to achieve this goal is sub-threshold circuit design. By operating transistors at the region that Vdd is less than the transistor threshold voltage (Vdd<Vth), such kind of sub-threshold designs have low dynamic power dissipation and low leakage current. However, the circuit characteristics and design method in sub-threshold region are different to typical desig

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Cheng, Chung-Chuan, and 鄭中川. "Automated Lung Segmentation Based on Grey-level Threshold." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/4f5feu.

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碩士<br>朝陽科技大學<br>資訊管理系碩士班<br>94<br>Lung is one of the most important organs in the body. Medical Image analysis can be used to aid the diagnosis for the clinicians, to trace the progression of diseases. By applying the object segmentation technique in medical images, the contours of organs can be detected and used to analyze the tissue characteristics. Subsequently, these can be provided to doctors and researchers to aid their works. X-ray is the most widely used imaging modality for diagnosing diseases occurred in the chest and other anatomical organs. It is cheap and commonly taken routinel

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32

Ravindra, G. "Information Theoretic Approach To Extractive Text Summarization." Thesis, 2006. https://etd.iisc.ac.in/handle/2005/452.

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Automatic text summarization techniques, which can reduce a source text to a summary text by content generalization or selection have assumed signifi- cance in recent times due to the ever expanding information explosion created by the World Wide Web. Summaries generated by generalization of information are called abstracts and those generated by selection of portions of text (sentences, phrases etc.) are called extracts. Further, summaries could for each document separately or multiple documents could be summarized together to produce a single summary. The challenges in making machines genera

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Ravindra, G. "Information Theoretic Approach To Extractive Text Summarization." Thesis, 2006. http://hdl.handle.net/2005/452.

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Automatic text summarization techniques, which can reduce a source text to a summary text by content generalization or selection have assumed signifi- cance in recent times due to the ever expanding information explosion created by the World Wide Web. Summaries generated by generalization of information are called abstracts and those generated by selection of portions of text (sentences, phrases etc.) are called extracts. Further, summaries could for each document separately or multiple documents could be summarized together to produce a single summary. The challenges in making machines genera

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34

Mahomed, Faheema. "Validation of automated threshold audiometry : a systematic review and meta-analysis." Diss., 2013. http://hdl.handle.net/2263/33368.

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The need for hearing health care services across the world far outweighs the capacity to deliver these services with the present shortage of hearing health care personnel. Automated test procedures coupled with telemedicine may assist in extending services. Automated threshold audiometry has existed for many decades; however, there has been a lack of systematic evidence supporting its clinical use. The aim of this study was to systematically review the current body of peer-reviewed publications on the validity (test-retest reliability and accuracy) of automated threshold audiometry. A m

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"Modeling and Implementation of Threshold Logic Circuits and Architectures." Doctoral diss., 2010. http://hdl.handle.net/2286/R.I.8637.

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abstract: Threshold logic has long been studied as a means of achieving higher performance and lower power dissipation, providing improvements by condensing simple logic gates into more complex primitives, effectively reducing gate count, pipeline depth, and number of interconnects. This work proposes a new physical implementation of threshold logic, the threshold logic latch (TLL), which overcomes the difficulties observed in previous work, particularly with respect to gate reliability in the presence of noise and process variations. Simple but effective models were created to assess the dela

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Chu, Jiun-Jye, and 車俊傑. "Modelling of automated guided vehicle system with relative threshold values in just-in-time environment." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/17755882189931359827.

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碩士<br>國立臺灣大學<br>工業工程研究所<br>84<br>In Just-in-time (JIT) production system, labor or forklifts are widely used for material handling. In addition, kanban system are implemented to obtain production efficiency of pull strategy and to maintain low level of inventory. To replace forklift with Automated Guide Vehicle System (AGVS), information transfer of kanban systems should be changed for automatic material handling equipments. This thesis presents AGVS implementation procedures for JIT system

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"Threshold Logic Properties and Methods: Applications to Post-CMOS Design Automation and Gene Regulation Modeling." Doctoral diss., 2012. http://hdl.handle.net/2286/R.I.14924.

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abstract: Threshold logic has been studied by at least two independent group of researchers. One group of researchers studied threshold logic with the intention of building threshold logic circuits. The earliest research to this end was done in the 1960's. The major work at that time focused on studying mathematical properties of threshold logic as no efficient circuit implementations of threshold logic were available. Recently many post-CMOS (Complimentary Metal Oxide Semiconductor) technologies that implement threshold logic have been proposed along with efficient CMOS implementations. This

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Stevens, Tynan. "Analysis of Functional MRI for Presurgical Mapping: Reproducibility, Automated Thresholds, and Diagnostic Accuracy." 2010. http://hdl.handle.net/10222/13050.

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Examination of functional brain anatomy is a crucial step in the process of surgical removal of many brain tumors. Functional magnetic resonance imaging (fMRI) is a promising technology capable of mapping brain function non-invasively. To be successfully applied to presurgical mapping, there are questions of diagnostic accuracy that remain to be addressed. One of the greatest difficulties in implementing fMRI is the need to define an activation threshold for producing functional maps. There is as of yet no consensus on the best approach to this problem, and a priori statistical approaches are

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Klein, Annette [Verfasser]. "Automated assessment of hearing threshold in neonates by means of extrapolated DPOAE I-O-functions / Annette Klein." 2005. http://d-nb.info/979063078/34.

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