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Search for Duplicities of Photos
Sklenář, Zdeněk ; Hradiš, Michal (referee) ; Zemčík, Pavel (advisor)
This bachelor thesis is about the analysis, design, implementation and testing of an application which is used to find duplicates in photographs according to its Exif metadata. The application also enables preview of photos, including Exif metadata. Additionally it is possible to filter photos, group duplicities with the original photo, and select the best photos to keep it in accordance with a user-defined parameter, then manually adjust this option, and deleting others. It is also a possible to export selected photos to a ZIP archive.
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Detection of Groups and Duplicities of Photos
Václavík, Vojtěch ; Kolář, Martin (referee) ; Zemčík, Pavel (advisor)
The bachelor's thesis aims to create an application that allows import of photographs and to sort duplicities. The application simplifies the import by showing already imported photographs and also hiding the not necessary ones. The application can also be used for finding duplicities or comparing folders, helping the user to clean their photo gallery. Other than that, it is also possible to show photographs with similar timestamps. To identify duplicates the application uses EXIF metadata included in photographs. The application was implemented in C++, graphical interface in Qt framework, work with metadata mediates EasyEXIF library and the database communication uses SQLite library.
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System for Import/Management of Photos
Škutová, Sára ; Kolář, Martin (referee) ; Zemčík, Pavel (advisor)
The goal of this bachelor thesis was to create an application that would allow categorize photo-graphs into groups and then search for their duplicates. Sorting and identification of identical photos is based on Exif metadata. The result is a standalone application that has been programmed using C++, Qt framework, and Exiv2 library. The functionality of the program was verified with a photo package and the user interface was tested with the help of users.
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Three-part photo from technical point of view and art interpretation of portrait
Polanecký, Jiří ; Sýkora, Ondřej (advisor) ; Šmíd, Jan (referee)
TITLE: Three-part photo from technical point of view and art interpretation of portrait AUTHOR: Jiří Polanecký DEPARTMENT: Institute for professional development, faculty of education SUPERVISOR: Mgr. Ondřej Sýkora ABSTRACT: The purpose of this bachelory diploma is to present portrait photography as well as valuable masterpiece, which helps the Czech Republic police department to identify people. Nowadays the portrait photography is perceived by society as a fashion artistic issue and posibility how to preserve the family memories. A good photographer shouldn't have only esthetical feeling but should be patient, accurate and has a professional education in making portrait photography with the strictly determined conditions. A part of thesis is about the origin and history of portrait photo and its utilization as a masterpiece, as well as problems when the artistic portrait photography is changed to documentary photo for social utilization. Another part of thesis pays attention to problems of making the three-parts photo and its utilization to identify people. The final part of thesis is focused on value of portrait photography and how the portrait photography affects on a spectator and affects in esthetic way. KEYWORDS: three-parts photo, black and white photo, coloured photo, digital photo, portrait, art...
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Detection of Groups and Duplicities of Photos
Václavík, Vojtěch ; Kolář, Martin (referee) ; Zemčík, Pavel (advisor)
The bachelor's thesis aims to create an application that allows import of photographs and to sort duplicities. The application simplifies the import by showing already imported photographs and also hiding the not necessary ones. The application can also be used for finding duplicities or comparing folders, helping the user to clean their photo gallery. Other than that, it is also possible to show photographs with similar timestamps. To identify duplicates the application uses EXIF metadata included in photographs. The application was implemented in C++, graphical interface in Qt framework, work with metadata mediates EasyEXIF library and the database communication uses SQLite library.
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Development of dentition in the x-ray image
STOKLASOVÁ, Martina
The topic of the bachelor thesis is to compare the quality of analogic and digital orthopantomograms. The accuracy and legibility of these x-ray photos is assessed via teeth dental age in different areas of mixed dentition at ten-year old children. Further, the thesis analyses the most commont mistakes made when orthopantomogram is taken. In the theoretic part of the thesis the anatomy is described, the development of teeth and teeth marking. Next, the thesis focuses on dental age assessing at grown ups and its methods. Further, the theoretical part describes in detail x-ray machines and techniques in stomatology. The x-ray photos of children and their preparation is a special part of the thesis. The practical part of the thesis formulates goals and research questions. A file and a metodology, which are used in the research are descibed. The dental age is assessed according to a method proposed by Kominek and Rozkovcova, 1984. This method lies in compartmentalization of a developing dental germ of 7 developing stages corresponging with a specific age period. A permanent and a temporary dentures are assessed in schemes and tables and devided according to the development stage of a child. The research of the thesis lied in assessing and comparing of dental age within a file of 100 children with mixed dentition at the age of ten years. The file comprised 50 randomly chosen analogic photos and 50 digital photos. Further, technical mistakes at the photos and the their reasons were assessed and analyzed. The thesis descibes examples of assessing both of analogic photos and digital photos and the mistakes which inable the dentition development assessing. Its clear that digital photos is more accurate and of a higher quality. Thus, its suprising how many mistakes were found on the chosen photos. From today's point of view, analogic photos are a past. Analogic photos showed frequent flaws in quality, such as insufficiant photos development causing artefacts, over- and underlighting, insufficiant settling on the photos. A disadvantage of this way of development were also huge area demands for development of an analogic photos and the necessity of storing of chemicals and films. Paradoxically, in the results of the thesis more mistakes were found on digital rather than on analogic photos in a random choice, which seems a serious problem to me because modern digital methods cannot be compared to history photos as far as their technical possibilities are concerned. When assesing the accuracy of results of the dental age of children, we can find out how many photos can be assessed and how many not. On 20 randomly chosen digital and 20 analogical photos an analysis of the most common mistakes in orthopantomographs was carried out. For the analysis of the mistakes on the photos a frontal part of the denture was chosen, which is the area of the cutters where the most mistakes were cause by incorrect setting of the children's head in the x-ray machine. On 20 analogical photos, 35% of the children were placed in the machine incorrectly, on 20 digital photos the result was 25% of the children. When comparing analogical and digital photos, no difference was found when assessing the dental age. The discussion shows the importance of making orthopantomograph in a high quality at children in the period of denture change and the most common mistakes are commented on. In conclusion, the problematics of orthopantomograph making was summed up, where the most common flaws when making x-ray photos at children were pointed out. These flaws lead to diagnostic inaccuracies. The importance of correct placing of the child when x-ray making was stressed, which was not adhered to at 55% of the children patients whose photos I assessed. This fact is to be taken very seriously because it is an invasive checkup.
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Search for Duplicities of Photos
Sklenář, Zdeněk ; Hradiš, Michal (referee) ; Zemčík, Pavel (advisor)
This bachelor thesis is about the analysis, design, implementation and testing of an application which is used to find duplicates in photographs according to its Exif metadata. The application also enables preview of photos, including Exif metadata. Additionally it is possible to filter photos, group duplicities with the original photo, and select the best photos to keep it in accordance with a user-defined parameter, then manually adjust this option, and deleting others. It is also a possible to export selected photos to a ZIP archive.
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System for Import/Management of Photos
Škutová, Sára ; Kolář, Martin (referee) ; Zemčík, Pavel (advisor)
The goal of this bachelor thesis was to create an application that would allow categorize photo-graphs into groups and then search for their duplicates. Sorting and identification of identical photos is based on Exif metadata. The result is a standalone application that has been programmed using C++, Qt framework, and Exiv2 library. The functionality of the program was verified with a photo package and the user interface was tested with the help of users.
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Three-part photo from technical point of view and art interpretation of portrait
Polanecký, Jiří ; Sýkora, Ondřej (advisor) ; Šmíd, Jan (referee)
TITLE: Three-part photo from technical point of view and art interpretation of portrait AUTHOR: Jiří Polanecký DEPARTMENT: Institute for professional development, faculty of education SUPERVISOR: Mgr. Ondřej Sýkora ABSTRACT: The purpose of this bachelory diploma is to present portrait photography as well as valuable masterpiece, which helps the Czech Republic police department to identify people. Nowadays the portrait photography is perceived by society as a fashion artistic issue and posibility how to preserve the family memories. A good photographer shouldn't have only esthetical feeling but should be patient, accurate and has a professional education in making portrait photography with the strictly determined conditions. A part of thesis is about the origin and history of portrait photo and its utilization as a masterpiece, as well as problems when the artistic portrait photography is changed to documentary photo for social utilization. Another part of thesis pays attention to problems of making the three-parts photo and its utilization to identify people. The final part of thesis is focused on value of portrait photography and how the portrait photography affects on a spectator and affects in esthetic way. KEYWORDS: three-parts photo, black and white photo, coloured photo, digital photo, portrait, art...
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Problems of archiving of digital photos and approaches to their solution
Kysučanová, Kateřina ; Šedivá, Zuzana (advisor) ; Marešová, Zdena (referee)
This work is focused on problem of long-term archiving of digital photos. The goal of this work is to describe main problems of long term archiving of photos, the hardware resources and evaluate their suitability for archiving of digital photos, explain types of metadata and image file formats and it's suitability for archiving of photos. In practical part I studied the archives of three selected companies. The benefit of this work is evaluation and introduction of three selected programs simplifying archiving of photos. Next benefit of this work is description and evaluation of selected online photo storage services. I also concerned with question of legislation that affects archiving of data and identified the most important laws and standards covering this area.
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