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Similarity Measure of Points of Interest in Image
Křehlík, Jan ; Beran, Vítězslav (referee) ; Herout, Adam (advisor)
This document deals with experimental verifying to use machine learning algorithms AdaBoost or WaldBoost to make classifier, that is able to find point in the second picture that matches original point in the first picture. This work also depicts finding points of interest in image as a first step of finding correspondence. Next there are described some descriptors of points of interest. Corresponding points could be useful for 3D modeling of shooted scene.
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Automatic Content-Based Image Categorization
Němec, Ladislav ; Španěl, Michal (referee) ; Veľas, Martin (advisor)
This thesis deals with automatic content-based image classification. The main goal of this work is implementation of application which is able to perform this task automatically. The solution consists of variable system using local image features extraction and visual vocabulary built by k-means method. Bag Of Words representation is used as a global feature describing each image. Support Vector Machines - the final component of this system - perform the classification based on this representation. In the last chapter, the results of this experimental system are presented.
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STABILITY ANALYSIS OF CUTTING PROCESS OF MACHINE TOOL WITH RESPECT TO CHATTER
Vetiška, Jan ; Marek, Jiří (referee) ; Singule, Vladislav (referee) ; Březina, Tomáš (advisor)
The thesis deals with building and utilization of mechatronic models which are based on modeling of system of rigid and flexible bodies. Such models are then used for analysis of behavior of complex systems, for instance machine tools. The work is concentrated on analysis of self-excitation of a machine tool. The appearance of the self-excitation during the machining may be influenced by several methods described in the work. The evaluation of the appearance of the self-excitation is analyzed via so called lobe diagram. It is necessary to know transfer function describing the impact of acting forces on the deformation of the system (machine tool in this case) for compilation of the lobe diagram. The whole structure of the model shows compliant behavior which dramatically influences the transfer function thus the approach to the modeling of mechanical parts as flexible bodies is proposed. There are created models of modally reduced flexible bodies based on modified CAD models which have same modal properties as non-reduced FEM models up to the maximal excitation frequency. The reduced models have significantly lower number of degrees of freedom and it is possible to work with them in multi-body simulation tools and at the same time they contain the information about the deformations. The work utilizes Graig-Bamton method which is implemented to the ANSYS. The whole model is consequently built and analyzed in ADAMS. It is possible to export the linearized model of the system in form of state matrices which are used for writing of the transfer function. The conditions of stability of the machining process are then evaluated via the lobe diagram. The proposed thesis presents the modeling of mechatronic systems with stiff and rigid bodies. The approach may be used for analysis of machining tools as well as for development of advanced mechatronic systems with active damping, etc.
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Simulation Assessment of X Axis Damping Possibilities of Heavy Machine Tool
Štetina, Jakub ; Marek, Jiří (referee) ; Březina, Tomáš (advisor)
This master's thesis deals with the simulation assessment of axis X damping possibilities of Heavy Machine Tools. CAD model has been provided by company TOSHULIN a.s. In the thesis, there is described modelling of axis X as multi body system consisting of rigid and flexible bodies. The main goal is to create simplified model and get the information for strategic decision of manufacturer about damping possibilities of axis X. For the solution has been used several software products: SolidWorks 2013 - for simplifying the CAD models, Ansys 14.5. for modelling od flexible bodies, MSC.Adams for modelling multi body systems and Matlab 2012 for data processing and optimization.
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Active Damping of Machine Tool Head
Škúci, Michal ; Marek, Jiří (referee) ; Březina, Tomáš (advisor)
The master’s thesis deals with building mechatronics model of machine tool head delivered by company TOSHULIN,a.s. for purpose of damping vibration. Mechanical part of the model is based on modeling of system of flexible bodies. Components are modeled in FEM program ANSYS and subsequently reduced using Craig-Bampton method. The system of flexible bo-dies is created in MBS program ADAMS. Model is linearized and subsequently reduced. As a element of active damping is used linearized model of magnetic bearing. For control is desig-ned PID controller. The comparison of damped and undamped model is conducted in the end.
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Determination of Motion Parameters in Machine Vision
Dušek, Stanislav ; Horák, Karel (referee) ; Janáková, Ilona (advisor)
This thesis describe about determination of camera motion parameters in plane. At first there are introduce the basics of motion tracking, is focused to find out displacement between two input images. Below is describe the algorithm GoodFeatruresToTrack, which find out the most significant point in a first image. The point is search out the good point, which will be easy to track in next image, reduce the data volume and prepare the input information (array of significant point) for the algorithm Lucas-Kanade optical flow. In second part is deal with processing and utilization estimations optical flow. There is median filtration, below is describe computation of homogenous transformation, which describe all affine transformation in affine space. As the result are coordinates, which describe the shift between the two input images as X-axis and Y-axis value. The project used the library Open Computer Vision.
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Manufacturing possibilities of sparking plug body
Strnad, Miroslav ; Kopřiva, Miloslav (referee) ; Podaný, Kamil (advisor)
Difficulties of manufacturing sparking plug body are analyzed in this thesis, which aims to select the most appropriate option. Body is circular section of steel 1.1191 (12 050), with a hole in the middle and upper part of this body is ended with hexagonal shape. The series is estimated at 1 000 000 units per year. For the production of sparking plug body are selected options from the machining and forming technologies. Specifically, turning and milling, casting, forging, a method using superplastic material and cold extrusion. Selected technologies will be reviewed based on cost to produce one piece, time requirements of manufacture of the unit, material usability and overall feasibility. According to these parameters forming is chosen as the best option.
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The comparison of Bergmann and Annaburger traffic systems in basic agriculture industry companies.
HAVLÍK, Josef
This thesis compares two tractor traffic exchange systems, Bergmann and Annaburger, in two companies of basic agriculture industry. Tractor traffic systems are composed of towing and exchange vehicle which can be a carrier of several types of vehicle body. Bed, spreader and cistern are concerned in this case. Engineering chracteristics and operational experiences of every single exchange system were compared. Futher functionality, time demandingness of body exchange, machine operating comfort, failure rate and service security were also compared. One of the most important criteria for ranking of exchange systems is usage of every single body and capital and operating costs analyses which are also a part of this thesis. Both of exchange systems are on a high technical processing level but the Annaburger company offers better control system in basic version then the Bergman company. As a result we can say that the Annaburger machines are ingeniously constructed and are more popular as well. Costs benefit analysis has been done. Exchange traffic system Annaburger HTS 22.79 was found to be cheaper by 22, 82 CZK for one carriage kilometer and by 10,05 CZK for ton and kilometer then expensive competitive Bergmann Vario440.
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Artificial intelligence with regards to relations among mind, body and machine
Farská, Kateřina ; Sigmund, Tomáš (advisor) ; Brixí, Radim (referee)
This thesis is dealing with relation between man and machine in terms of mind, life and body with regards to artificial intelligence. The first part of the work focuses on explanation of the historical preconditions for the emergence of artificial intelligence. A very important milestone can be found in separation of mind and body in Descartes' dualistic approach. Cartesian dualism highlighted the mind-body problem, which even nowadays is being inflected in connections with artificial intelligence. Newtonian mechanics, which is built on the Descartes' thoughts, applied the idea of the world as a mechanical machine which ultimately led to the fact that the human body began to be understood as a machine. This creates space for thoughts about constructing an artificial being -- thinking machine. Artificial intelligence is being confronted with the relationship between man and machine. In the second part of the work an analysis of the differences and congruencies between these two entities will be made -- with regards to the concepts such as machine, life, natural, artificial, mental state, mind, consciousness, body. The findings will be compared and the nature of the relationship between man and machine will be carried out accordingly to them. The last part of the work will investigate how the findings of the relationship between man and machine, mind and body are being applied in different approaches of artificial intelligence. Particularly, a detailed analysis of computer functionalism will be made. This traditional concept of artificial intelligence is based on the assumption of algorithmical nature of mind that can be modeled using symbolic representations. The analysis will be complemented by alternative approaches in artificial intelligence -- connectionism and enaction-based artificial intelligence. All the three approaches will be evaluated accordingly to the findings made in the previous part of the work. The purpose of this work is to highlight the importance of the relationship between man and machine, mind and body with regards to artificial intelligence and the further development and direction of this discipline. The work will track the line of Cartesian-Newtonian thinking in the context of the issue. The potentialities and limitations of this paradigm, dualistic and materialistic (mechanistic) approach will be pointed out. In this work, the method of summarization and compilation, based on presenting the relevant information and explanation of their relations and context, was chosen.
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HACCP System in a company Pascual Polabí s. r. o.
Kukačková, Veronika ; Kořánová, Helena (advisor) ; Větrovský, Stanislav (referee)
Aim diploma work is analysis of system HACCP in company Pascual Polabí s. r. o.. To analyze this system properly I arbitrated to carry out internal audit upon this system, I examined, whether adhere plus check all critical control points. Processed I record from hereof inner audit plus determine several power procuration plus recommendation. This system I examined partly with reference to valid legislature plus partly with reference to in-home regulations " Health dangerous at agricultural basic industry firm Pascual Polabí s. r. o." I investigate with recency plus rightness diagrams industrial process plus assesment breaking point.. System implementation HACCP will realize legislative requirements for food processing firm, will ensure production (performance) plus sale health unexceptionable groceries plus dishs, protect the consumer and food processing firm (better vindication before inspection authorities plus complaints consumers) as well as increases know - how plus qualification workers. Base system HACCP is, that not only must be well - established, but also have to adhere correct production plus hygienic rules. That is means, that all personnel must be familiarized whith it and everyone have to know what, when, why plus how be to do. In first chapter behind - pick theoretic part, where describe, what it proper system HACCP is plus what legislative regulations are with him adherent. Concentrate here largely on boot HACCP for agricultural basic industry, because company Pascual Polabí s. r. o. grows salads. In second parts I deal with analysis contemporary system state HACCP in company. Describe here, how is system HACCP in company Pascual Polabí s. r. o. implemented and on what diversification according to legislature zero in on. In third chapter describe fulfilment check internal audit system HACCP, where I double - checked how consequential plus entire lead all documentation system HACCP, so and observance all critical check point in terrain, afield and in store. Check audit in terrain I prove by evidence photographs. Lastly I'm analyzed record audit. From ascertained reality follow on, that the company Pascual Polabí s. r. o. faces all documentation to system HACCP in absolute harmony with requirements legislature and in-home regulations. In terrain I however run against some way inadequacies in observance given critical monitor point namely above all in non - performance using all personal protective means for work. At non - performance hereof request, can get to contamination reaped salads. Therefore would recommended follow - up for - skill of all workers, further consequential verification workers supervisor. At follow - up inquest poverty of would proposed financial sanctions how for workers, so and for supervisor. Further would at assesment new procuration recommended carry out consequential for - skill of all workers, to this procuration was really adhere, see cracked glass receiver on crop machine rig, that are marked red wrapper, but personnel, there and despite salads positioning. Also would recommended assesment two new critical monitor point that the concern above all storage space. Ought be given procuration at possible smash or disruption plastic canopy on fluorescent tube as well as regular verification runabouts. Last but not least, would recommended transaction more frequent plus regular check internal audits on observance system HACCP.
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