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Temporal interpolation of ophthalmologic video sequencies using multimodal registration
Kadla, Jan ; Odstrčilík, Jan (referee) ; Jan, Jiří (advisor)
This master’s thesis gives a description of fundus camera as a medical imaging system. Sub features of this system are explained in short, thus examples of certain construction variants are given. Furthermore, the work deals with image fusion and associated possibilities of digital image processing. One set of consecutive scanned images of human eye’s retina has been provided for the practical part of this work. During program processing of these data, decomposition of obtained images to single-color sequences is performed. For these partial monochromatic sequences, monomodal registration is performed, based on calculation of the brightness similarity criterion between the pairs of images. From the three created monochromatic sequences of registered images, new sequence of color images is created, using multimodal registration of each image triples. As a basis for similarity evaluation during multimodal registration, an information similarity criterion was used.
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Nonlinearity in the course of acqusition date in optical coherence tomography
Kadla, Jan ; Kolář, Radim (referee) ; Kuna, Zdeněk (advisor)
This bachelor thesis builds on my semestral work, thus provides a description of the problem of optical coherence tomography imaging system in terms of a brief historical development, structural parts and modifications. Previous work is supplemented by a more detailed description of data acquisition and especially signal processing. I present examples of the clinical and research application of this technology, and try to objectively refer to its advantages and disadvantages. Chapter dedicated to the description of a practical measurement explains selected data collection procedure and clarifies their following processing. At the end of the work are summarized the results achieved, including the considerations of potential errors during the measurement.
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Nonlinearity in the course of acqusition date in optical coherence tomography
Kadla, Jan ; Kolář, Radim (referee) ; Kuna, Zdeněk (advisor)
This bachelor thesis builds on my semestral work, thus provides a description of the problem of optical coherence tomography imaging system in terms of a brief historical development, structural parts and modifications. Previous work is supplemented by a more detailed description of data acquisition and especially signal processing. I present examples of the clinical and research application of this technology, and try to objectively refer to its advantages and disadvantages. Chapter dedicated to the description of a practical measurement explains selected data collection procedure and clarifies their following processing. At the end of the work are summarized the results achieved, including the considerations of potential errors during the measurement.
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Temporal interpolation of ophthalmologic video sequencies using multimodal registration
Kadla, Jan ; Odstrčilík, Jan (referee) ; Jan, Jiří (advisor)
This master’s thesis gives a description of fundus camera as a medical imaging system. Sub features of this system are explained in short, thus examples of certain construction variants are given. Furthermore, the work deals with image fusion and associated possibilities of digital image processing. One set of consecutive scanned images of human eye’s retina has been provided for the practical part of this work. During program processing of these data, decomposition of obtained images to single-color sequences is performed. For these partial monochromatic sequences, monomodal registration is performed, based on calculation of the brightness similarity criterion between the pairs of images. From the three created monochromatic sequences of registered images, new sequence of color images is created, using multimodal registration of each image triples. As a basis for similarity evaluation during multimodal registration, an information similarity criterion was used.
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