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Software for cameras configuration design of the panoramic system
Jílek, Michal ; Grenar, David (referee) ; Kříž, Petr (advisor)
This work deals with software design in C ++ language and with graphical output using OpenGL for scanning tribune lenses of cameras with different parameters so that the user lens configurations are known beforehand in order to create panoramic coverage of the stadium stadium. The principle of image capture, lens parameters, and formulas for calculating their appropriate layout on the stadium to collect a panoramic image together is discussed. These are: focal length, viewing angles, coverage calculations, image resolution. Furthermore, a draft program implementing the issue.
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Phenomenological notion of the body and its possible consequences for practice of body-oriented disciplines
Kříž, Petr ; Parry, Silvan James (advisor) ; Jirásek, Ivo (referee) ; Hurych, Emanuel (referee)
Title: Phenomenological notion of the body and its possible consequences for practice of body- oriented disciplines Objectives: This thesis aims to clarify the possible projection of phenomenological findings about the body into the body-oriented disciplines. The interpretation of René Descartes, Edmund Husserl and, above all, Maurice Merleau-Ponty comes to the postulate that the body itself is not an object, but rather it is that by which objects exist as objects in the first place. From this phenomenological postulate there follows the deep opposition of the phenomenological notion of the body to the notion on which body-oriented disciplines commonly (but usually only implicitly) base their theory and practice. The thesis thus presents not only the interpretation of positive phenomenological concepts, but also the interpretation of phenomenological criticism of the physiological and psychological (or psychologizing) concept of the body, which stand on the flaws and prejudices of the empiricist and intellectualist traditions of Western thought. Subsequently, the possible impacts of both phenomenological criticism and phenomenological concepts on the practice of body-oriented disciplines are discussed. Methodology: This dissertation is a philosophical treatise. The first part is a philosophical...
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QR code detection using deep learning
Černohous, Matěj ; Kříž, Petr (referee) ; Přinosil, Jiří (advisor)
This bachelor thesis deals with the design of an algorithm for detecting and decoding QR codes in images using deep learning techniques. The work involved the construction of 2 datasets, a YOLOv7 neural network model for detecting QR codes in images, a YOLOv4-tiny neural network model for detecting position markers of QR codes, and a Python program utilizing these models to read QR codes in images. For evaluation, the algorithm was compared with other options for QR code reading.
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Stress Testing of Video Streaming Services
Kříž, Petr ; Ilgner, Petr (referee) ; Číka, Petr (advisor)
The bachelor thesis deals with the load testing of services for adaptive streaming of multimedia content. The thesis starts with a theoretical discussion of load testing and standards for adaptive streaming. The practical part deals with the creation of scenarios for load testing the created streaming server. Finally, graphs are prepared including commenting on the testing result.
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Viewpoints of German classical idealism used, not used and misused in social theory
Kříž, Petr ; Balon, Jan (advisor) ; Císař, Ondřej (referee)
In this thesis viewpoints of Hegel's philosophy of history were confronted with selected fields of 20th century social theory. The Enlightenment was chosen as a keyword. In Hegel's Phenomenology of Mind the Enlightenment is a mode of experience of consciousness, or a phenomenon of Spirit in its history, a phenomenon which is becoming outdated in his time. To illustrate such overcome this conception of Enlightenment is demonstrated on Kant's article The answer to a Question: What is Enlightenment?. Thesis then examines the way in which had Hegel's interpretation inspired Critical theory - specifically Adorno's and Horkheimer's Dialectic of Enlightenment and Marcuse's Reason and Revolution. The last part of thesis is focused on the broader field of social theory to find manifestations of thought stream begun by Hegel. It finds it out especially in thought of Gadamer in considerably radical form calling to a question the epistemology of humanities till his present. Viewpoints emerged from Hegel's philosophical reaction to the Enlightenment represent still current counterpart of neopositivist approaches and a relevant reference point in epistemological uncertainty and in finding out an adequate socio-historical role of humanities.
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Changes in perception of subjective vertical in cerebrovascular accident patients
Kříž, Petr ; Čakrt, Ondřej (advisor) ; Bitnar, Petr (referee)
Cerebro-vascular accident often affects parts of brain responsible for spatial orientation. Optimal integration of afference from visual, somatosensory and vestibular system is necessary for maintaining balance and often in the end for the functional indepencence of the patient. Examination of subjective vertical is a sensitive signifier for spatial orientation and the ability to discern graviception. By using clinical examination of subjective visual vertical it is possible to objectify and quantify graviception disorder excluding visual context. Current level of understanding in this field is briefly summarized in theoretical part of this study. In practical part subjective visual vertical examination by bucket-method was for statistically comparison of 29 patients after a cerebro- vascular accident with 34 healthy seniors. Hypotheses about the influence of a side of a lesion and a time elapsed since the lesions were also tested. The study concludes that the perception of verticality in patients after cerebro- vascular accident can be severely affected. Additionally, the study highlights the reliability of examination of patients after cerebro-vascular accident using clinically practical bucket-method.
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Masked face recognition
Kašpar, Jan ; Kříž, Petr (referee) ; Přinosil, Jiří (advisor)
This bachelor thesis focuses on the recognition of people with covered faces. The work describes four algorithms InsightFace, FaceNet, OpenFace, and face recognition. From these algorithms, the most suitable for recognizing people with a covered face is selected. Two databases of persons are created, and two models for the recognition of persons are trained; one is for the recognition of persons with a covered face and the other for non-covered persons. ROC curves are created for these models to determine the accuracy of the models. The created program is used to recognize people or to add them to the database created by SQLite.
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4K real-time video encoding using NVENC technology
Buchta, Martin ; Přinosil, Jiří (referee) ; Kříž, Petr (advisor)
Diploma thesis is focused on real-time 4K video encoding using NVENC technology. First chapter describes the most used video codecs H.264 and HEVC. There is an explanation of the principle of graphic cards and their programmable units. Analysis of the solution of open source Video Codec SDK is also part of the thesis. The main focus of the thesis is an implementation of an application which can handle 4K video encoding from multiple cameras in real time. Performance and qualitative tests were performed for application. Results of these tests were analyzed and discussed.
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Masked face detection
Malý, Ondřej ; Kříž, Petr (referee) ; Přinosil, Jiří (advisor)
The aim of this work is to study and test current methods for face detection on veiled faces and evaluate the results. In the first chapter, five selected methods are theoretically analyzed and in the second chapter the individual methods are evaluated, both for the Wider Face file and for the actual set of photos with veiled faces. Subsequently, the Dlib CNN method is improved for better detection of veiled faces and reprogrammed to detect the degree of veil from the tested image
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