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Dissertations / Theses on the topic 'Camshaft'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Menzel, Daniela, Silke Geithner, and Stefan Donath. ""Projektwerkstatt C2 - Camshaft China"." Universitätsbibliothek Leipzig, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-153487.

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In ihren zukünftigen Tätigkeiten in privatwirtschaftlichen Unternehmen und öffentlichen Einrichtungen werden aktuell Studierende und Promovierende zunehmend gefordert sein, in interdisziplinären Projektteams zusammenzuarbeiten. Die Herausforderungen bestehen dabei vor allem darin, innerhalb kürzester Zeit bei allen Projektmitarbeiter_innen ein gemeinsames Verständnis über das Projektziel und den -inhalt, das Projektmanagement sowie Formen der kooperativen und effektiven (interkulturellen) Zusammenarbeit zu erzeugen. Diese Fähigkeiten lassen sich kaum über Frontalunterricht vermitteln, sondern

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Báez, Morandi Federico E. "Development of an interactive camshaft design tool." Thesis, KTH, Maskinkonstruktion (Inst.), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176882.

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Camshafts are crucial components in combustion engines. Their purpose is to control the opening and closing of intake and exhaust valves, which affects various aspects of an engine’s performance. The valves control the intake of the air-fuel mixture in the combustion chamber and the exhaust of combustion gases. The synchronization of this task with the engine’s cycle is essential for the system to work as desired, and timing parameters such as valve duration affect the engine’s power and efficiency. This thesis addresses the development task of a software program for camshaft design. The progr

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3

Escobar, Jose Alejandro. "Stress and fatigue analysis of svi-tested camshaft lobes." Thesis, Virginia Tech, 1996. http://hdl.handle.net/10919/36656.

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Nondestructive evaluation techniques were employed to fully characterize three 2.3L camshafts tested in an engine simulator for an equivalent of 100,000 miles. Optical microscopy, acoustic microscopy (SAM), and profilometry were used to characterize wear and fatigue, crack depth, and surface roughness, respectively. Results show cracking to occur mainly in the opening ramp of the most abusively ground cam lobes. No clear evidence was found for subsurface cracking at depths as great as 200 mm from the lobe's surface. Profil

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4

Thomas, George L. "Biogeography-Based Optimization of a Variable Camshaft Timing System." Cleveland State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=csu1419775790.

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5

Stokes, Ben. "Fatigue analysis of austempered ductile iron suitable for automotive camshaft applications." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288156.

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6

Courtney, Scott B. "A rapid, non-destructive test to detect camshaft lobe grinding burn." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09042008-063602/.

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7

Henschel, Frank. "The reduction of friction in the camshaft of an internal combustion engine." Thesis, Coventry University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360224.

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8

Benson, Julian. "The effect of base stock and additive packages in an automotive oil on the friction and wear behaviour of overhead camshaft and finger follower systems." Thesis, Brunel University, 1987. http://bura.brunel.ac.uk/handle/2438/7132.

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The introduction of overhead camshaft valve train systems some 25 years ago has resulted in improved engine performance and efficiency, this in turn however, has caused increased wear problems. In order to understand the tribological behaviour of overhead camshaft systems, test engines and dynameter test methods have been extensively used. These are however, time consuming and expensive, a cheaper and quicker method of camshaft material and lubricant appraisal is therefore required and this has resulted in the design and construction of a simulative overhead camshaft test rig. A range of comme

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9

Stephenson, Robin. "Analysing the dynamic loads in a high speed timing chain." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366783.

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10

Lancefield, T. M. "The application and effects of variable duration camshaft systems to light duty diesel engines." Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:b5efcd84-418e-451a-aa54-0b256881b22e.

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The work described in this thesis was carried out to investigate the application of variable valve actuation (VVA) to light-duty diesel engines for use in passenger vehicles. The background to this was that there was little published on the subject and with advanced turbochargers, exhaust gas re-circulation systems and high pressure fuel injection systems reaching maturity it seemed likely that further enhancement of the air management in this type of engine, through VVA would receive greater interest. The first section of this thesis discusses the external pressures on engine manufacturers, f

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11

Lewandowski, David. "Experimental and Modeled Effects of Camshaft Manufacturing Errors on the Dynamics of High Speed Valve Trains." NCSU, 1998. http://www.lib.ncsu.edu/theses/available/etd-19981029-101808.

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<p>AbstractLEWANDOWSKI, DAVID JOHN Experimental and Modeled Effects of CamshaftManufacturing Errors on the Dynamics of High Speed Valve Trains. (Under thedirection of Dr. Joseph W. David)The idea of harnessing combustion to perform mechanical work is by no means anew one. The internal combustion engine, as we know it today, has its origins in the lastcentury, however the idea for controlling combustion to perform mechanical work datesback to the Renaissance. Even with the advent of alternative sources of power forcommerce and personal applications, the internal combustion engine represents a l

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12

Medonos, Michal. "Simulace zavedení nového výrobku do výroby." Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-17313.

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One of the products produced by Motorpal a.s. is a camshaft. Recently, the company signed a contract with Bosch company to produce new types of camshaft. The analysis of the impact of the contract on the production was made by simulation. To perform the simulation it was necessary to map the whole process. The simulation of the current state was made in the first phase. The results shew many uneffectivnesses in the process and lack of capacity of some workplaces. Some changes in the process were suggested and tested with the aid of the simulation. The best results were achieved when the single

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13

Moeller, Gregory V. "Residual stresses due to grinding." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-05022009-040807/.

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14

Cierocka, Joanna, and Jiayue Tang. "Vibrational tests of preloaded rubber vibration isolators : A cam controlled displacement excitation." Thesis, Linnéuniversitetet, Institutionen för maskinteknik (MT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-53703.

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Vibrations are very common phenomenon. It influences structures and generates acoustic noise which might be harmful to human beings. The vibration isolator was invented to reduce the effect from vibrations. However, the behavior of rubber material, which many vibration isolators are made of, is hard to predict. Consequently, vibration tests are needed to obtain the dynamic properties of rubber isolator.In this case, a six-year old LORD 2204-5 rubber isolator provided by Atlas Copco was tested. The aim of this paper is to obtain the FRF (Frequency Response Function) diagram which can describe t

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15

Parker, Ian Kenneth. "Synchronous belt mechanics and life prediction : a fundamental investigation into the mechanics of toothed belts for automotive camshaft drives, and the prediction of belt life in operation." Thesis, University of Bradford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294351.

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16

Řehůřek, Lukáš. "Vliv pružnosti rozvodového mechanismu na pohyb ventilu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254396.

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The aim of this thesis is a comparing single valve train motion (SVT) and complete valve train motion with a flexible camshaft focused on dynamic characteristics. In this thesis is also performed kinematics analysis in the VALKIN software. Dynamic analysis is solved in the MBS software Virtual Engine. Influences to the valve train motion are described in the conclusion

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17

Uhlmann, Martin, and Florian Toste. "Simulation des dynamischen Verhaltens gebauter, wälzgelagerter Nockenwellen mit Mathcad." Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-142071.

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Im Vortrag wird die Vorgehensweise zur Modellierung des Ventiltriebs eines Einzylinder-Motorradmotors beschrieben. Dieser setzt sich aus zwei gebauten, wälzgelagerten Nockenwellen zusammen. Die Ventile werden über Schlepphebel betätigt. Das Hauptaugenmerk liegt dabei auf den Pressverbindungen zwischen Nocken und Welle sowie auf den Wälzlagerungen. Um die Belastungszustände zu ermitteln ist eine detaillierte Simulation nötig. Diese Mehrkörpersimulation wird in Mathcad mit Hilfe eines eigenen Lösers durchgeführt.

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18

Štábl, Tomáš. "Návrh ventilového rozvodu pro zážehový motor." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228402.

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Tomáš ŠTÁBL Design of Gear Timing Mechanism for SI Engine MT, IAE, 2009, 62 pp., 27 fig. This master thesis is concerning the valve train proposal of the spark ignition engine for sports purposes. Antecedent to the actual proposal is the division and retrieval of the modern valve trains, the valve train acting forces description, division and description of the individual valve-lift curve parts , valve springs and the dynamic models of the valve train. In the thesis there are designed the valve lift curves with the continuous course of acceleration, valve springs and valve springs natural osci

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19

Юрченко, А. М. "Проєкт вантажного автомобіля /комплексний проєкт/ з модернізацією паливної системи двигуна та розробкою технологічного процесу відновлення розподільчого вала". Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/23196.

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Юрченко, А. М. Проект вантажного автомобіля /комплексний проект/ з модернізацією паливної системи двигуна та розробкою технологічного процесу відновлення розподільчого вала : випускна кваліфікаційна робота : 274 «Автомобільний транспорт» / А. М. Юрченко ; керівник роботи Я. В. Кужельний ; НУ "Чернігівська політехніка", кафедра автомобільного транспорту та галузевого машинобудування. – Чернігів, 2021. – 128 с.<br>Предметом даної магістерської роботи є розрахунок параметрів автомобіля та двигуна. Об’єктом дослідження магістерської роботи є модернізація паливної системи двигуна, з подальшим про

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20

Tichý, Ondřej. "Koncepce řadového vstřikovacího čerpadla pro tlaky 120 MPa." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254438.

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This thesis provides an overall evaluation of the concept of inline injection pump for pressure 120 MPa. The name of this pump is "Mj" and it is a product of the Motorpal, a.s. company. This thesis also contains an analysis of the contact pressures between the cam lobe and the pumping element's roller tappet. This includes comparing three different shapes of the roller and their influence on the magnitude of contact pressures. Calculations of the plunger helix and of the fuel delivery's impact on the relative position of plunger are also present.

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21

Guláš, Tomáš. "Dynamický výpočet rozvodu šestiválcového motoru s 24 ventily." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230479.

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Diploma thesis deals with the dynamic analysis of OHV pushrod valve train drive of the old-new conception of 6-cylinder tractor engine with 24 valves made by Zetor Tractors, a.s.. There is a requirement to create an analytical model and design valve springs for the engine. The work also points to the current analytical methods of appropriate simulation software used in automotive industry.

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22

Ferreira, Eduardo Prudente. "Estudo do comportamento tribológico em ferros fundidos nodulares austemperados para aplicações em eixo comando de válvulas." Universidade do Estado de Santa Catarina, 2012. http://tede.udesc.br/handle/handle/1630.

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Made available in DSpace on 2016-12-08T17:19:18Z (GMT). No. of bitstreams: 1 Resumo Eduardo P Ferreira.pdf: 31057 bytes, checksum: e12b3482b1be4ee60ab99c2523cdfc02 (MD5) Previous issue date: 2012-08-23<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In this present conducted in wear resistance nodular cast iron subjected to heat treatment at different temperatures isothermal austempering treatment (340 ° C and 320 °), corresponding to the materials of Classes 3 and 4 of ASTM A897, compared with nodular quenched and tempered with same level hardness. The objective was to d

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23

James, Jocelyn S. "The microstructural modelling of austempered ductile iron camshafts." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/14359.

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Austempered ductile iron (AD!) is a material which is receiving increasing interest from the manufacturers of automotive components such as camshafts due to its superior mechanical properties, and in particular excellent wear resistance, compared with other grades of cast iron. ADI is produced from a spheroidal graphite casting using a two-stage heattreatment process. During the first stage of the heat-treatment the matrix is transformed to austenite, and then in the second austempering stage, some of the austenite is transformed to bainitic ferrite. The final microstructure is therefore compl

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Östling, Johan. "High Accuracy Speed and Angular Position Detection by Dual Sensor." Thesis, Uppsala universitet, Fasta tillståndets fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-365726.

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For many decades there has been a need in many industries to measure speed and position of ferrous gears. This is commonly done by converting passing gear teeth from trigger wheels to electrical impulses to calculate speed and angular position. By using Hall effect sensors or Giant Magnetoresistance sensors (GMR), a zero speed detection of gear teeth is possible while at the same time be cheap to produce and durable for harsh environments. A specially designed trigger-wheel (cogwheel created for measurements) with gear teeth in a specific pattern, exact position can be detected by using a dual

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25

Астахова, Ксенія Вікторівна, Ксения Викторовна Астахова та Kseniia V. Astakhova. "Удосконалення технології проектування і ремонту розподільних валів енергетичних установок тепловозів". Thesis, Видавництво УкрДАЗТу, м. Харків, 2012. http://eadnurt.diit.edu.ua:82/jspui/handle/123456789/1424.

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Астахова, К. В. Удосконалення технології проектування і ремонту розподільних валів енергетичних установок тепловозів : авт. дис. к. т. н.: 05.22.07 / К. В. Астахова ; Дніпропетр. нац. ун-т залізн. трансп. ім. акад. В. Лазаряна. - Д. : Вид-во УкрДАЗТу, 2012. - 20 с. : рис., табл. УДК 629.424.3:621.436(043.3) ГРНТИ 55.41.31 Захист - 21 лютого 2013 р.<br>UA: АНОТАЦІЯ Дисертацію присвячено вирішенню актуального науково-практичного завдання з удосконалення технології проектування і ремонту розподільних валів енергетичних установок сучасних тепловозів за умов поліпшення їх техніко-економічних

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Kusomoto, André Yoshimi, Vasconcelos Luis Edwardo Guarino de, Nelson Paiva Oliveira Leite, Cristina Monis Araújo Lopes, and Rogério Pirk. "Tracking Track Targets in External Store Separation Using Computer Vision." International Foundation for Telemetering, 2014. http://hdl.handle.net/10150/577476.

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ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA<br>Flight tests and flight safety are tightly coupled. For a given experimental test flight, the main objective to be achieved is related to the test bed and crew integrity (i.e. Bring back the test bed in one piece). Furthermore, the aircraft operational safety (i.e. continued airworthiness) relies into the accuracy of gathered information, provided by the airborne Flight Test Instrumentation

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27

Manat, Namith N. "System for Tracking of Surgical Tools and Assessment of Surgical Skills Using Continuously Adaptive Mean Shift Methodology." VCU Scholars Compass, 2005. http://scholarscompass.vcu.edu/etd_retro/56.

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A tracking system that serves as a tool for tracking the movement of surgical instruments has been developed. The system tracks color markers on the surgical instruments. The Continuously Adaptive Mean Shift (CAMSHIFT) methodology was employed for tool tracking and a total distance traversed by the surgical instrument of interest was calculated. Two cameras were used to record the motion of the tool and the software developed was used to track the movement of markers on the tools over subsequent frames. The information thus derived from the two views of cameras was used to calculate the three

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28

Klvaňa, Marek. "Sledování vybraného objektu v dynamickém obraze." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229705.

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The aim of this thesis is a description and implementation of algorithms of the tracked objects in the video feed. This thesis introduces Mean shift and Continuously adaptive mean shift algorithms which represent category based on kernel tracking. For construction of a model is used a threedimensional color histogram whose construction is described in this thesis as well. The achievements of described algorithms are compared in the testing images sequences and evaluated in details.

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29

Райський, Д. М. "Проєкт легкового автомобіля з дослідженям технологічного процесу відновлення шарніра рівних кутових швидкостей, відновлення розподільчого валу". Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/25317.

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Райський, Д. М. Проєкт легкового автомобіля з дослідженям технологічного процесу відновлення шарніра рівних кутових швидкостей, відновлення розподільчого валу : випускна кваліфікаційна робота : 274 "Автомобільний транспорт" / Д. М. Райський ; керівник роботи В. І. Кальченко ; НУ "Чернігівська політехніка", кафедра автомобільного транспорту та галузевого машинобудування. – Чернігів, 2021. – 153 с.<br>В ході написання роботи магістра, було проведено аналіз схожих за конструкцію автомобілі, вибрав прототип ГАЗ 3110, виконав розрахунок потужності двигуна, вирахував передаточні числа коробки переми

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Brunclík, Robert. "Automatická regulace velikosti písma podle vzdálenosti čtenáře." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-241995.

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The thesis deals with automatic control the font size by the distance from the reader. It includes theoretical acquaintance with the face detection and subsequent tracking of the detected area during the scene. Furthermore, there is a comparison of the tracking algorithms. Then the calculation of distance is decribed. It is based on the user’s calibration and based on the outcome occurs the font size is automatically corrected. There is also a description of a separate application Automatical controller of the text size, with the recommended settings of the program.

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Baglieri, Giulia. "Caratterizzazione a fatica con intaglio di acciai innovativi ultra-alto resistenziali." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Lo scopo della presente ricerca è valutare l’idoneità dell’acciaio da utensili innovativo K890, prodotto da Böhler con metallurgia delle polveri, ad essere impiegato per la realizzazione di componenti motore di moto da corsa, quali alberi a camme e a gomiti, in sostituzione dell’acciaio da nitrurazione GKHW, prodotto da Aubert&Duval con processo ESR (Electro Slag Remelting). Lo studio è stato condotto a valle di una precedente sperimentazione condotta su provini non intagliati ed ha previsto l'esecuzione di prove di trazione e prove di fatica a flessione rotante con intaglio oltre a prove di d

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Gustafsson, Simon, and Andreas Persson. "Detecting small and fast objects using image processing techniques : A project study within sport analysis." Thesis, Jönköping University, JTH, Avdelningen för datateknik och informatik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-54343.

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This study has put three different object detecting techniques to the test. The goal was to investigate small and fast-moving objects to see which technique’s performance is most suitable within the sports of Padel. The study aims to cover and explain different affecting conditions that could cause better but also worse performance for small and fast object detection. The three techniques use different approaches for detecting one or multiple objects and could be a guideline for future object detection development. The proposed techniques utilize background histogram calculation, HSV masking w

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Tokatli, Aykut. "3d Hand Tracking In Video Sequences." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606461/index.pdf.

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The use of hand gestures provides an attractive alternative to cumbersome interface devices such as keyboard, mouse, joystick, etc. Hand tracking has a great potential as a tool for better human-computer interaction by means of communication in a more natural and articulate way. This has motivated a very active research area concerned with computer vision-based analysis and interpretation of hand gestures and hand tracking. In this study, a real-time hand tracking system is developed. Mainly, it is image-based hand tracking and based on 2D image information. For separation and identification o

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Song, Min-Hang, and 宋旻航. "Investigation of Geometric Characteristics for Camshaft Machining Using Turning and Milling Complex Machines." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/mazrj9.

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碩士<br>國立屏東科技大學<br>機械工程系所<br>105<br>This study mainly investigated the influence of each processing condition on workpiece concentricity, eccentricity and radius of curvature for machining single camshaft workpieces using turning and milling complex machines. The experiment was planned using the Taguchi orthogonal table, and the measurement results were analyzed, whereby we found the optimal processing conditions for camshaft machining using turning and milling complex machines. The processing conditions include spindle speed, feed rate, cutting distance, cutting depth, eccentric distance and s

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Tsai, I.-Ta, and 蔡易達. "The design and improvement of the camshaft for driving intake valve of SI engine." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/21458549170845393797.

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碩士<br>遠東技術學院<br>機械研究所<br>94<br>Intake efficiency is the most fundamental and important parameter for engine performance, yet the open and close timing as well as the lift depth of the intake valves are determined by the contour curve of the camshaft, that means the valve timing and lift depth are constant and fixed. With the rising of environment-consciousness and the economy costs concerns, the developments of high horse power and low fuel consumption engine are the ultimate goal for every car manufacturer. By understanding the development and function of the variable valve timing and lift,

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Kianifar, Mohammed R., I. Felician Campean, and D. Richardson. "Evaluation of camshaft control strategies for a GCI engine using a multidisciplinary optimisation framework." 2014. http://hdl.handle.net/10454/10715.

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No<br>This paper presents a calibration optimization study for a Gasoline Direct Injection engine based on a multidisciplinary design optimization (MDO) framework. The paper presents the experimental framework used for the GDI engine mapping, followed by an analysis of the calibration optimization problem. The merits of the MDO approach to calibration optimization are discussed in comparison with a conventional two-stage approach based on local trade-off optimization analysis, focused on a representative emissions drive cycle (NEDC) and limited part load engine operation. The benefits from us

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Childs, T. H. C., K. W. Dalgarno, Andrew J. Day, and R. B. Moore. "Automotive timing belt life laws and a user design guide." 1998. http://hdl.handle.net/10454/2376.

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The paper presents a computer-based guide of the effect of layout and loading (tension and torque) on the timing belt life and uses it to show the sensitivity of life to changed conditions in an automotive camshaft drive. The predictions are in line with experience. The guide requires belt property information, such as the tooth and tension member stiffness, the friction coefficient between the belt lands and pulleys and the pitch difference from the pulley, in order to calculate the tooth deflections caused by the belt loadings on the various pulleys in the layout. It also requires infor

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GUPTA, KHUSHBU. "FACE DETECTION AND TRACKING USING IMPROVED CAMSHIFT." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14452.

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This paper addresses face Detection and multifarious tracking using improved CamShift and texture algorithm. Face is detected by calculating texture information. And Object’s motion is taken into account through location and trajectory. Camshift is used to follow trajectory of the object. The Continuously Adaptive Mean Shift Algorithm (CamShift) is an adaptation of the Mean Shift algorithm for object tracking. It is a well-established and fundamental algorithm for kernel-based visual object tracking. It adjusts Search window itself in size. It will adjust itself for the size of face as the per

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Chou, Shu-Wei, and 周書暐. "A Modified CamShift Algorithm for Video Object Tracking." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/84382736893253456423.

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碩士<br>銘傳大學<br>資訊傳播工程學系碩士班<br>102<br>Mean-shift algorithm is a popular and high efficient object tracking method. The CamShift is an adaptive version of Mean-Shift algorithm. It is able to adjust the size of object window automatically. CamShift employs the histogram of the tracking target to generate the probability map and then find new center accordingly. Camshift has wide attention for objet tracking because of its high efficiency and robustness. However, it is often distracted or interfered by the other larger objects with similar colors. This paper presents a novel tracking algorithm base

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Chun-Ting, Lin. "Multi-CAMSHIFT for Multi-View Faces Tracking and Recognition." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2407200517140600.

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Lin, Chun-Ting, and 林俊廷. "Multi-CAMSHIFT for Multi-View Faces Tracking and Recognition." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/48101734259845767833.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>93<br>This thesis, aims to develop a system for multiple objects tracking and multi-view faces detection and recognition. We propose a novel method (Multi-CAMSHIFT), which is based on the characteristics of color and shape probability distribution, to solve the tracking problems for multiple objects. The tracker is used to get the candidate regions by outlining the interested probability distribution. The system performance is further improved by using multi-resolution framework and computation reduction. The principal component analysis (PCA) and support vector mac

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Lai, Yu-Chi, and 賴昱圻. "CamShift Based Multiple Human Tracking in Light Changing Environment." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/41262299973201577937.

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碩士<br>國立交通大學<br>電控工程研究所<br>103<br>In this thesis, we implement an automatic human tracking system that combines face detection and upper outer garment tracking in the light changing environment. Face detection can detect each person in the screen; upper outer garment tracking can track each person’s location by upper outer garment’s color. We use Haar cascade classifier and skin color detection for human face detection, which can locate the human face region correctly. Then, relative position with respect to a face founded will be used to locate one’s body region, and in the sequel hue-saturat

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Wang, Ting-Wei, and 汪廷瑋. "Dynamic Object Tracking based on CamShift and Kalman Filter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/60735071047895855691.

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碩士<br>中原大學<br>電機工程研究所<br>104<br>In the thesis project of object tracking, we propose the thesis combining the Cam Shift algorithm with Kalman filter which can provide the position of the target more accurately. The tracking algorithm of Cam Shift can only be used in simple background with few colors. By combining the Kalman filter, we can reduce the interference of the background color and make the tracking more accurate. In this thesis, we follow these steps: First, by converting our target image into the H.S.V. color space, we can get desired color information and adjust the contrast of the

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Chien, Jui-Chen, and 簡瑞辰. "Accurate and Robust ROI Localization in CAMSHIFT Tracking Application." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/71918913979137437303.

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碩士<br>淡江大學<br>資訊工程學系碩士班<br>100<br>In this paper, we present an improved version of CAMSHIFT algorithm. We use a 2D histogram including hue and brightness to describe the color feature of the target. In this way, videos with poor quality or achromatic points can be better characterized. The Flooding process and contribution evaluation are used to obtain a precise target histogram which reflects true color information and discrimination ability. To be adaptive to the foreground/background variation, formula for updating ROI size and target histogram are proposed. The proposed method is compared

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JIAN, MU-JHE, and 簡睦哲. "Improved Camshift Algorithm for Tracking Objects in Complex Environments." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/xd7tq4.

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碩士<br>國立宜蘭大學<br>電機工程學系碩士班<br>107<br>The main research in this paper is to improve the traditional algorithm of Camshift. In the traditional Camshift algorithm, the target can be tracked in a simple environment with high efficiency and high accuracy, and tracked according to the color probability distribution of the target, although in a simple environment. The tracking effect is good, but the environmental changes are always changing rapidly. In the process of tracking the target, if it occurs in a similar color background, the target is obscured by other obstacles, or the light changes, etc.,

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Huang, Chun-lin, and 黃俊霖. "Design of Real-Time Object Tracking System Using CamShift Algorithm." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/08498874349723356589.

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碩士<br>國立成功大學<br>工程科學系碩博士班<br>97<br>Vision was the most advanced sense of human, and it holds a very responsible sense for image capture. Computer techno is moving forward, the technical innovations in image process was maturity, but not completed. In convention, most image target detecting and tracking was based on build-in video camera. Unfortunately, it will inactive when the target out of the shoot. This thesis addressed one real-time target tracking system methodology for improving the tracking dead-zone. Whole system integrates embedded USB 2.0 engine 8051-based MCU, PAS6311LT CMOS image

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Huang, Wen-Xing, and 黃文星. "Face Detection and Tracking Model Using Haar-Like Features and CamShift technigues." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/04489280973398836695.

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碩士<br>國立勤益科技大學<br>資訊管理系<br>102<br>In more recent years, surveillance systems are widely installed in public area for only security monitoring. With the rapid development of digital technology, IOT (Internet of Things) concept is used in the field of the intelligent surveillance and has become more critical. The results of the video analysis are not only presented simple frames but also applied in human identity、vehicle safety driving and flow statistic. The information, features from the video analysis, can be applied to analyze environment security、flow changing and customer demand. The propo

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Haung, Wei-Tao, and 黃韋韜. "Realization of Moving Platform Control for a Landing RotorCraft Based on Camshift Algorithm." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/z78r5d.

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碩士<br>國立東華大學<br>電機工程學系<br>104<br>With the advance of autonomy technology, quadrotor crafts have found their applications in a variety of fields, including rescue-aid, military, entertainment, and secure monitoring etc. Among others, auto-landing is one of key technical issues for quadrotors. Unfortunately, landing with the aid of GPS unavoidably bring about error in accuracy. The thesis endeavor to develop an autonomous mobile platform to pick up the landing rotorcraft using image processing and visual servoing techniques. The autonomous platform is driven by omnidirectional wheels and can be

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Liou, Yun-Jung, and 劉允中. "An Improved CamShift Algorithm Based on Adaptive Motion Estimation for Multiple Camera Systems." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/78721416340903036566.

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碩士<br>淡江大學<br>電機工程學系碩士班<br>100<br>Smart video surveillance has been developed for a long time, and many approaches to track moving objects have been proposed in recent years. The research of good tracking algorithms becomes one of the main streams for the smart video surveillance research. Multiple moving object tracking is a fundamental task on smart video surveillance systems, because it provides a focus of attention for further investigation. Video surveillance using multiple cameras system has attracted increasing interest in recent years. Moving objects occlusion is a key operation using

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Chen, Bo-Chih, and 陳柏志. "Improving the Ability of Visual Tracking and Automatic Controlling on Robot by Applying Multi-CAMSHIFT." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/13662924912927946948.

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碩士<br>國立中興大學<br>資訊科學與工程學系所<br>100<br>Object tracking is a kind of research widely used in image processing. It can be used in many cases, such as driving support system, monitoring, and robotic vision. In this thesis, we discuss how to adopt object tracking to robotic vision. We modify CAMSHIFT algorithm and apply it to a robot to do self-tracking on the specific object. In order to make it more successful on the robot, we use some techniques of image processing for robustness, and use multi-CAMSHIFT algorithm to recover from the failure of tracking, which makes it find the target object which

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