|
|
Filtering methods for MR images processing
Pláněk, Jiří ; Smékal, Zdeněk (referee) ; Gescheidtová, Eva (advisor)
This master´s thesis deals with wavelet transformation and its signal and image noise reduction application method. Significant parameters problems as a wavelet type, a threshold technique selection, a threshold level and a level analysis selection for successful signal and noise image filtering are described. A relation between wavelet transformation and digital bank filter is used by anti-noise and sub-bandwidth filtration. A part of the master´s thesis is focused on nuclear magnetic resonation, where jaw-joint image is processed. Jaw joint image noise reduction filtration methods are used in experimental part of the master´s thesis. Consequently, filtration methods improve a jaw joint image quality, which helps a doctor with patient health state condition. Different types of wavelets were tested and in different application methods order. Filtration methods results were visually compared; therefore any conclusion comparison has subjective matter. Accordingly, only doctor is able to resolve which filtration method is convenient to use to determine patient health state.
|
|
|
Filtering methods in NMR measurements
Ryšavý, Ladislav ; Rajmic, Pavel (referee) ; Gescheidtová, Eva (advisor)
Bachelor's thesis deals with the wavelet transform and its use in processing and removing noise from images acquired by nuclear magnetic resonance. In the theoretical part of work is briefly described the principle of nuclear magnetic resonance, the wavelet transform is described, the selection of appropriate wavelets for filtering, two-dimensional wavelet transform for the processing of image data and appropriate tresholding techniques. The experimental part is focused on the filtration of magnetic fields and map images jaw joint as maps fields. They are filtering the results using different types of waves. It is shown through the evaluation of filtration ratio signal / noise and the steepness of the signal in the image.
|
|
|
Possibilities of physiotherapy in disoders of temporomandibular joint
HLINKOVÁ, Pavlína
This bachelor thesis studies the options of physiotherapy in temporomandibural joint disorder. The main objective of this thesis is mapping the issue out and describing options of physiotherapy in patients with the TMJ disorder, but also evaluating the efficiency of physiotherapy and its impact on patients with this disorder. The theoretical part is focused on TMJ anatomy, movements in the jaw joint, TMJ disorders, TMJ examinations, causes of disorder and treatment. Practical part is processed using two case studies where patients with different diagnosis have been put trough the initial examination as well as therapy during the necessary time which should have led to an improvement of their difficulties, followed by an exit examination and of course, continued treatment.
|
|
|
Filtering methods in NMR measurements
Ryšavý, Ladislav ; Rajmic, Pavel (referee) ; Gescheidtová, Eva (advisor)
Bachelor's thesis deals with the wavelet transform and its use in processing and removing noise from images acquired by nuclear magnetic resonance. In the theoretical part of work is briefly described the principle of nuclear magnetic resonance, the wavelet transform is described, the selection of appropriate wavelets for filtering, two-dimensional wavelet transform for the processing of image data and appropriate tresholding techniques. The experimental part is focused on the filtration of magnetic fields and map images jaw joint as maps fields. They are filtering the results using different types of waves. It is shown through the evaluation of filtration ratio signal / noise and the steepness of the signal in the image.
|
|
|
Filtering methods for MR images processing
Pláněk, Jiří ; Smékal, Zdeněk (referee) ; Gescheidtová, Eva (advisor)
This master´s thesis deals with wavelet transformation and its signal and image noise reduction application method. Significant parameters problems as a wavelet type, a threshold technique selection, a threshold level and a level analysis selection for successful signal and noise image filtering are described. A relation between wavelet transformation and digital bank filter is used by anti-noise and sub-bandwidth filtration. A part of the master´s thesis is focused on nuclear magnetic resonation, where jaw-joint image is processed. Jaw joint image noise reduction filtration methods are used in experimental part of the master´s thesis. Consequently, filtration methods improve a jaw joint image quality, which helps a doctor with patient health state condition. Different types of wavelets were tested and in different application methods order. Filtration methods results were visually compared; therefore any conclusion comparison has subjective matter. Accordingly, only doctor is able to resolve which filtration method is convenient to use to determine patient health state.
|
|
|
Physiotherapy as part of comprehensive treatment in patients with acquired temporomandibular joint dysfunction
NĚMCOVÁ, Barbora
The subject matter of my undergraduate thesis is acquired dysfunctionality of the temporomandibular joint. The concept incorporates a number of funcional and structural changes and pathological conditions affecting not only the mandibula as such but also the overall posture of the organism as a whole due to sequential spasms. Temporomandibular disorders have a multifactor etiology and very diverse clinical image, which often makes diagnostics quite difficult. Generally, increasing psychic tension, emotional stress, and occlusive relations are believed to count amongst the main causes. According to some studies, up to 50 % of the population suffers from some type of disorder of the temporomandibular joint. As treatment of these conditions can be problematic and time-consuming, both the pacient and the therapist have to be patient. The theoretical part of my thesis concentrates on mapping the problems arising from dysfunctionality of the temporomandibular joint, whereas the practical part contains causalistic elaboration of two female patients diagnosed with this condition. My research was conducted using the method of qualitative causalistics. The first female patient was diagnosed with degenerative changes in the right mandibular joint causing diminished mobility of the lower jaw, affecting the functionality of the patient{\crq}s right ear and body posture. The second female patient suffered functionality disorder in the form of dislocation of the mandibular joint{\crq}s disk, asymmetric movement of the jaw when opening her mouth, and irregular stereotype of breathing. In both patients, the therapy was adjusted to the diagnosis and each patient{\crq}s momentary condition. Primarily, their treatment was focused on their hypertonic muscles and sequential spasms, followed by relaxation of their chewing muscles, training of symmetrical mouth opening, breathing stereotypes, and sensomotoric elements. The patients were instructed how to do suitable autotherapeutic exercises. The therapeutic sessions took place twice a week over a six-week period. In both patients, the results were satisfactory. With the first patient, her ability to open her mouth and her overall posture improved. With the second patient, the unpleasant noise phenomenon when opening her mouth was removed and the asymmetry of mouth movement was diminished. Moreover, she learned to adopt a regular breathing stereotype. My thesis can be useful in the clinical practice of physiotherapists, physicians, and other medical personnel, as well as a source of information for patients.
|
guest ::
