| Capsule endoscope has become a development trend of medical endoscope in the future due to its advantages of non-invasiveness,painlessness and non-cross-infection.Although capsule endoscope provides people with a good experience in the digestive tract examination,the large amount of image data with high similarity is difficult for doctors to read and diagnose,and the hospital data management becomes more complicated.According to the analysis of domestic and foreign capsule endoscope image workstation systems,a novel capsule endoscope image workstation system based on NHibernate is designed so as to realize the safety management of data and achieve quick reading for doctors.The main contents of this thesis are organized as follows:1.Through the system requirement analysis,functional requirements and non-functional requirements are combined to design the overall software architecture of the system,based on which the system functions are divided into modules.2.Business data of the system is analyzed by using SQL Server 2005 as the underlying database.Furthermore,the design of the system database is completed and implementation of the connection and operation between NHibernate and database is realized,including the establishment of object-relational mapping,configuration of NHibernate and implementation of the universal database operation interface for each system module.3.Design and implementation of functional modules are realized,such as medical care management module,medical record management module,image management module and report management module.4.The deficiency of the image redundant screen in the existing capsule endoscopy image workstation system is analyzed.Moreover,an image redundancy screening algorithm based on feature point matching is proposed.The simulation is performed under OpenCV,and the results show that the new algorithm has strong robustness and higher performance.5.The test environment is built and functional tests and analysis are performed in terms of system data addition,deletion,modification,multi-image display,real-time display,and report generation.Meanwhile,the performance of the image download speed,broadcast speed,and guide speed are tested,the results show that the downloadspeed and the export speed are all greater than 50 fps,and the playback speed can reach 30 fps,which all conform to the design index. |