Computer Assisted Radiology / Computergestützte Radiologie

CAR is a symposium and exhibition covering the impact ofcomputer and communication systems applied to radiology andother medical disciplines, which use digital imaging fordiagnosis and therapy planning. CAR '93 also providestutorials, but more emphasis is given to a broad variety ofspecific problems related to medical/technical issues indigital imaging.This is achieved through in-depth presentations of resultsof current medical imaging projects on a worldwide basis.

Image Management and Communication.- Picture Archiving and Communication Systems- PACS.- Cost Effectiveness and Patient Outcome of Modern Digital Technology.- MDIS: A Large PACS and Teleradiology Project.- Some Consideration on Hospital-wide PACS from the Experience in Tokyo Hitachi Hospital.- Designing and Implementing an „On-Demand“ IMACS.- ImAZ Emergency: a PACS Subproject of the AZ-VUB.- A PACS for Digital Video Angiography in Ophthalmology.- Image Transfer within the Hospital: Developments and Experiences.- Multi-user Applications for Cooperative Work in Cardiology and Radiology.- Software Development and Management for a Picture Archiving and Communication System.- ISAC Developments and Applications.- lmNet/2: The High-Speed Network.- Maximizing End-to-End Throughput in Image Communication Systems.- Data Flow Analysis for Transition from Film to Electronic Management.- ITACA: An Irreversible Threshold-based Angiocardiographic Image Compressor and Archiver Based on New Error Limitation Criteria.- Superimposition of MR-Images and Scintigrams as an Application of PACS.- Digital Image Quality: A Contrast-Detail Study Using the Leeds Phantom.- Assessment of DCT-Based Method for X-Ray Image Compression.- Teleradiology - TR.- Teleradiology in a Large Radiology Practice.- The Use of Teleradiology System Linking a Regional Center of Radiology to its District Hospitals and Clinics.- A Metropolitan Area Network for Teleradiology and Remote Expert Consultation Based on ISDN.- Results of a Remote Expert Consultation Project.- Generics of a Media-Integrating System for Remote Consultations in Radiology.- MIMACS: Results of a Study to Evaluate the Clinical Relevance of Teleradiology.- Expert Consultation for Mobile MRI Examinations by Teleradiology.- The Irrelevance of Geography and Time in Assuring High Quality Patient Care Resulting from Proliferation of Teleradiology in the Pacific Rim.- Hospital Information System – HIS.- Radiological Information System –RIS.- The Totally Digitalized Radiological Department the Viborg Project.- Prototyping of HIS/PACS Integration - MIDAM Approach.- Design of a Generic HIS-RIS/PACS Interface based on the Radiodiagnostic Working Methods.- The Integration of Radiographic Images with other Hospital Information System Patient Data.- Blueprint for Success: Designing and Implementing the Self-Paced Instructional System for PACS-RIS Training.- A Computer System for Requesting and Reporting Radiologic Examinations, Verifying Receipt of Reports by Referring Physicians, and Tracking Patients with Significant Abnormal Findings.- Technology Assessment and Implications – TA.- Clinical Implications of PACS.- Technology Assessment of PACS: Case Study of the New Osaka University Hospital.- Imaging Department Design: Rikshospital Oslo, Norway.- Legal Aspects of Digital Image Generation, Communication and Archiving.- Ethical and Legal Issues about IMAC in Different European Countries.- Evaluation of PACS at Hammersmith Hospital: Baseline Assessment of Costs and other Resource-use Parameters within the Radiology Department.- Shared Medical Imaging Digital Archiving.- Facility Design for Medical Imaging Computer Workstations.- Formal Rules for Funding of PACS in German Teaching Hospitals.- Standards - ST.- Using ISO/I EC’s Image Interchange Facility (IIF) for Medical Image Data Communication.- An ACR-Nema 2.0 Gateway for IMAC Systems.- Automating Image Format Conversion - Twelve Years and Twenty-Five Formats Later.- Medical Imaging and Multi-Media: The View of CEC on R&D and Standardization.- Data Bases - DB.- Medical Image Management Using a Semantic Approach: Image Description.- A Novel Approach to the Management of Multidimensional Discrete Data in PACS.- The Architecture of a System for the Indexing of Images by Content.- ¡LAN* - A New Path to a Filmless Radiology Department.- Medical Workstations.- Computer Vision - CV.- Digital Tomosynthesis (DTS) with a Conventional X-Ray System.- An Interactive System for High-Speed X-Ray Image Filtering.- Optimum Edge Detection in Quantitative Coronary Arteriography.- Multicriteria Regularizing Neural Network Approach to Implicit Image Information Extraction from two Projections.- „Neurovision“ - a Multimodality Image Fusion Package for Neuroradiological Diagnosis and Neurosurgical Planning.- Innovative Interactive Methods for Image Segmentation.- Interactive Image Segmentation Applied to CT and MR Images.- Extraction of Closed Boundaries from Fragmented Edge Maps Using Shape-oriented Grouping Procedures.- Organ Segmentation by Means of Neural Networks.- A 3D Segmentation Algorithm on a Massively Parallel Computer.- A New Technique for Three-Dimensional Regression-Based Segmentation in Medical Image Processing.- Segmentation and Symbolic Description of Cerebral Vessel Structure based on MR Angiography Volume Data.- Computer Graphics - CG.- Imaging Transforms for 3D Biomedical Imaging: an Open Transportable System (3DVIEWNIX) Approach.- An Interactive Tool for Manipulation and Presentation of 3D Tomographic Data.- Visualizing 3D Flow in MR Phase Contrast Angiography.- 3D Representation of Liver Vein and Portal Vein.- 3D CT Reconstruction of an Ancient Egyptian Mummy.- Design and Application - DA.- Dynamic Biomechanical Analysis of Deformation Stress during Labour by „Finite Elements Analysis“ of MRI Data.- Integrated Modeling of Heterogeneous Information from Medical Images.- An Hypermedia System to Manage Anatomical Knowledge about Brain.- A Protocol for Analysis and Visualization of MRI Liver Data.- Man Computer Interaction - MCI.- Design of High Robust Voice Interface for Speech Activated Neurosurgical Workstation.- Three Dimensional Interaction Techniques of Medical Workstations 435.- Digital Image Generation – DIG.- Digital Radiography - DR.- Primary and Secondary Digitizing of X-ray Images in Comparison to Conventional Screen Films.- High-Quality Portable Chest Images Using Enhanced Film-Digitization and Computed Radiography.- Comparison Between Conventional Radiography and Storage Phosphor Digital Radiography in the Study of Rheumatoid Arthritis.- Quality Control of Storage Phosphor Radiography Machines.- Automated Detection of Skin Thickening in Mammograms.- Magnetic Resonance Imaging - MRI.- Musculoskeletal Neoplasm: 2-D Time of Flight MR Angiography with 2-D and 3-D Display.- Computational Aspects of Blood Flow Measurement by First-Pass Gadolinium-DTPA Enhanced Magnetic Resonance Imaging.- Anatomical Feature Segmentation to Correct Spectral Line Shapes in Magnetic Resonance Spectroscopy.- Computer Tomography - CT.- Contrast Parameters for the Assessment of CT.- 3D CT Acquisition with Conventional and Volumetric Scan: Comparison of Resolution in Longitudinal Direction.- 3D-Display of Spiral CT Scans - a New Approach to Renal Imaging.- In-Vitro Measurement of Stenoses with Spiral CT.- Nuclear Medicine - NM.- Registration of PET-Images Using Template Matching.- High Resolution PET Images through REDISTRIBUTION.- Ultrasound - US.- Software for Archiving Ultrasound Images of Thyroid Glad in Children Irradiated after Chernobyl Accident.- 3D Reconstruction of Fetal Images Based on Ultrasound.- Digital Angiography - DA.- A Technique for 3D Reconstruction of Arteries from Angiographic Projections.- Biplane Angiocardiography: General Solution for Pairing Images Taken from Oblique Views.- Reconstruction of the 3D Structure of Cerebral Vessel Trees from few DSA Projections.- Digital Radiographic Analysis of Single-Leg Separations (SLS) in the Outlet Struts of Björk-Shiley Convexo-Concave (BSCC) Heart Valves.- Multimodality Imaging - MMI.- Visualization and Analysis of Brain Function Using Multi-Modality Image Integration.- An Object Oriented Tool for 3D Multimodality Surface-based Image Registration.- Volume Rendering of Multimodal Images for the Planning of Skull Base Surgery.- Application Systems - AS.- Computer Assisted Radiological Diagnosis - CARD.- Case-Based Tutor for Radiology.- Computer Assistance in the Processing of Medical Images to Improve Specific Diagnosis of Peripheral Lung Cancer.- A Neural Network System for Detecting Lung Nodules in Chest Radiograms.- Analysis of Results in a Large Clinical Series of Computer-Aided Diagnosis in Chest Radiography.- Neural Network Approach for the Computer-Aided Diagnosis of Coronary Artery Diseases in Myocardial SPECT Bull’s-Eye Images.- Measuring Edge Blur in Mammographic Lesions.- Analysis of the Requirements for Quantitative Evaluation of Mammograms by Computer.- Computer Diagnosis of Breast Cancer by Mammogram Processing.- Computer-Assisted Diagnosis of Bone Tumors.- Classification of Medical Image Objects based on Fuzzy Sets.- Knowledge Based Systems - KS.- Using Expert Systems (ES) and Artificial Neural Systems (ANS) to Evaluate Serial Coronary Arteriograms in the POSCH Study.- A Knowledge-based Multi-media Database System for Skeletal Radiology.- Computer Assisted Radiation Therapy - CART.- Adopting the Shereouse Gratis Dose Calculation Code to Biological Treatment Planning.- An Interactive 3D Visualization System for Dynamic Radiation Treatment Planning.- 3D Visualization for Radiotherapy Treatment Planning.- VIRTUOS - A Program for VIRTUal radiotherapy Simulation.- Automatic Location of the Eyes in CT Images of the Head.- 3D Data Segmentation and Mesh Generation of Pathological Brain Tissue Based upon 3D MRI Data, in View of Acoustic and Thermal Modeling.- 3D Numerical Modeling of Acoustic Power Deposition in Pathological Brain Tissue in View of Planning Ultrasound Thermotherapy and Surgery.- Aiding 3D Hyperthermia Planning by the Use of Combined Modelling and Visualization of Different Medical Image Data Sets.- Distortion in the MRI Stereotactic Planning of Gamma Knife Radiosurgery.- Computer Assisted Surgical Planning - CASP.- Reporting with 3D Solid Model: Another Concept for Radiologists.- An Interactive 3D-Atlas of Acetabular Fractures.- CAD Techniques for the Preoperative Planning of Intertrochanteric Osteotomies.- High Resolution 3D-CT and its Applications in Stereolithographic Computer Assisted Surgical and Implant Planning.- The Accurate 3D Registration of Stereotactic Radiographs and Non-Stereotactic CT Images Based on Volume Rendering.- OPS - Operation Planning System for Neurosurgery.- Computer Planning of Stereotactic lodine-125 Brachytherapy.- Postersession.- Image Management and Communication Picture Archiving & Communication Systems- Pacs.- Implementation of PACS in Australia.- A Large Clinical Image Archive System.- Data Compression and Image Quality in Digital Coronary Angiography.- MDIS: A PACS and Teleradiology Project - Present and Future Configuration.- A Modern Archive Concept for the Filmless Hospital.- Integration of Picture Archiving Communications System (PACS) in a Nuclear Medicine Department.- Real-Time Image Coding Using Vector Quantization-based Algorithm.- Standards.- An Object-oriented ACR-NEMA Data Dictionary in C++.- Teleradiology.- Teleconferencing in a Medical Environment.- Data Transmission of Diagnostic Images in Clinical Routine.- High-quality Digital Image Transmission with a High-speed Teleradiology System.- Hospital Information System - HIS.- Radiological Information System - RIS.- Functional Enhancement of Radiology Information Systems with Bar-code.- Data Bases.- Large Scale Feature Searches of Collections of Medical Imagery.- Medical Workstations.- Computer Vision - CV.- Rule-based Image Processing Environment Applied to Medical Imaging.- A Topology-based Representation of Grey-Valued Images.- Diffusion and Clustering Techniques for the Segmentation of Cranial MR-lmages.- Image Zoom Falsifies Vessel Diameters.- Using „Declarative Domain-dependent and Independent Knowledge“ to Segment Cranial X-Ray CT Images.- Image Processing Requirements in PACS to Assist Diagnosis in a Multi-Modal Environment.- Fast Extraction of Line Properties by Tracking.- Two-Level Architecture for CAR Workstation.- A Software Platform for Fast Development of Medical Image Processing Modules.- Computer Graphics - CG.- An Interactive Visualization System for SPECT-Volumes.- Design and Application.- Tissue Segmentation by Multiparameter Full-Color Composite Techniques: Clinical Application in Magnetic Resonance Imaging of Adnexal Masses.- Workstation Design for Breast Screening.- Is Experienced „Eye Balling“ of Coronary Angiograms Obsolete in the Transition Period to Digital Quantitative Coronary Angiography?.- AWOS: Angiographic Workstation for Digital Quantitative Coronary Angiography.- A Framework Concept for Medical Work Station Design.- Developing an Improved Radiology Workstation User Interface: A Photographic Survey of Current Approaches.- Physician’s Work Stations under Multi-Platformed Computer Environment.- Man Computer Interaction.- Virtual Reality in Medical Environments.- Digital Image Generation.- Digital Radiography.- Computed Radiography: First Experiences in Intravenous Urograms.- Computed Radiography and Image Management Systems: Solutions for the Intensive Care Unit.- Storage Phosphor Digital Radiography Applied to the Study of Soft Tissue Masses.- Digital Magnification Mammography.- Achieving Adequate Resolution for Storage Phosphor Plate Mammography Using Existing Equipment.- Do Differences in Brightness Influence the Quality of Digitized Film Images?.- Magnetic Resonance Imaging - MRI.- Segmentation of MR Brain Images for Multimodality Fusion and Gray/White Matter Volumetry.- Algorithms for Contrast Enhanced Functional Cerebral MR Imaging.- Clinical Application of Echoplanar (EPI) MR Imaging.- Nuclear Medicine - NM.- Accurate Alignment and Reslicing of PET Images.- Hardware of the System of Archiving and Storing Ultrasound Images of Thyroid Gland in Children Irradiated after Chernobyl Accident.- Digital Angiography - DA.- Automatic Detection of Ventricle Contours in Angiograms.- Accurate Quantitative 3-D Reconstruction and Calibration on Biplane Angiograms.- The Basic Method of Analytic Angiogram Calibration and its Error Regarding Developments.- Quantification of Aortic Valve Insuffiency in Angiograms.- Automated Pixel Shifting in Digital Subtraction Angiography - an Application of Cepstral Filtering.- Detectability of K-edge Energy Subtraction Coronary Angiography by Iodine Filter Method using Synchrotron Radiation.- Depth Separation in 10 Observers with a New Stereoscopic X-ray Acquisition System.- Multimodality Imaging – MM.- Multimodality Imaging of Cerebral Infarction.- Application Systems.- Computer Assisted Radiological Diagnosis - CARD.- Computer-assisted Tutorial System to Support the Diagnosis of Bone Lesions in the Instruction of Radiology.- Computer Detection of Microcalcifications in Digital Mammograms.- Receiver Oriented Characteristics (ROC) Analysis of Pulmonary Nodule Detection in Digitized Chest X-ray Images using Personal Computers.- Breast Screening: Defining the Implementation Criteria for Computer Assisted Diagnosis.- AUDIGON - An Expert System for MR-based Diagnosis of Osteoarthrosis of the Knee.- Use of Computers in Orthopaedic Surgery.- Computer Assisted Surgical Planning - CASP.- Pre- and Intraoperative Computer-Assisted Surgery: A Survey.- Interventional Radiology.- Automatic Localization and Display of MRI-Guided Needles in Interventional MRI.- Technical Requirements of Medical Diagnostic Databases with Emphasis on the Field of Anatomic Pathology.- Color Figures.- List of Authors.