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Pipetting indicator
Demjan, Michal ; Čmiel, Vratislav (referee) ; Škarvada, Pavel (advisor)
Thesis “LED pipetting indicator” considers possibilities of indication of working process using microplates with 96 and 48 wells. It is also considering low financial costs of the final product, same as universality for using microplates intended for different uses and researches and also for using microplates made by different manufacturers. This work follows designing of hardware, software and casing. Device is using 96 LED diodes, controlled by microcontroller which is able to communicate with system of higher level.
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Classification Of Heart Sounds Using Time-Frequency Analysis And Image Processing Methods
Demjan, Michal ; Nejedlý, Petr
This paper describes the algorithm for detection of heart sounds from phonocardiogram record (PCG) using time-frequency analysis and image processing technique. Presented algorithm extracts time-frequency features using continuous wavelet transform (CWT) and subsequently applies image processing methods such as morphological operations and connected components labeling on hearth sounds segment S1-S2. Furthermore, the segmented PCG signal undergoes correction procedure, which uses the Smith-Waterman local alignment algorithm to correctly predict heart sound sequence.
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LED Pipetting Indicator
Demjan, Michal
The main purpose of this work is making work for people in laboratories easier and more comfortable with limited budget. Project solved this problem and showed the affordable way how to improve laboratory environment and performances of laboratory workers. Designed and produced pipetting indicator, described on this work, is based on 8bit microcontroller. Indicator has ability to indicate up to 96 positions.
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Pipetting indicator
Demjan, Michal ; Čmiel, Vratislav (referee) ; Škarvada, Pavel (advisor)
Thesis “LED pipetting indicator” considers possibilities of indication of working process using microplates with 96 and 48 wells. It is also considering low financial costs of the final product, same as universality for using microplates intended for different uses and researches and also for using microplates made by different manufacturers. This work follows designing of hardware, software and casing. Device is using 96 LED diodes, controlled by microcontroller which is able to communicate with system of higher level.
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