SS5305 – Popular Marker Setups 1

Objectives Marker Data Measurement Sequence Project Automation Framework (PAF) Popular marker setups PAF Interface 2

Motion Capture Workflow automated by most mocap systems

Marker Data With calibrated cameras, a performance session records and computes the 3D position of markers from input images. Marker data = 3D positions (of markers) Must convert positions into joint angles? (Compare to Keyframe animation. Key points are recorded at every frame)

QTM 2D => 3D Data acquisition & synchronization 2D Capture Force data 3D, force, EMG data Export => c3d, tsv Measurement sequence High Speed Video Report Visualization & Motion analysis Human Motion model Signal processing Visual3D = Kinematics + Kinetics + EMG EMG PAF – Project Automation Framework

Human movement visualization

Visual3D is extremely flexible and can use virtually any existing, (e.g. hybrid Helen Hayes) or custom designed marker model. Qualisys can provide various tested marker model templates and supply pre-labeled AIM files. System Setup SYSTEM SETUPQTM SETTINGSCALIBRATION CAPTURE TRACKING 7 ANALOG

Skin marker setup6DOF setup Wand marker setup Popular marker setups – all 3 of them supported by PAF

Qualisys Video Analysis - QVA is an additional 2D analysis software tool used to manage and track 2D video data in order to analyze video files produced by Oqus High Speed Video cameras. Video mode and Video overlay All standard Oqus cameras can preview and collect video data at up to 30 fps. High-speed video version goes up to 500 fps. Video overlay proved highly useful for clinical assessment of soft tissue artefacts during gait and sport movements’ 3D data capture.

Major components of Qualisys system: Oqus - Motion Capture Camera Tracking movements in 3D with infrared technology Data processing, analysis and visualization: Visual3D and Motion Monitor - biomechanical analysis and report generation Motion Builder, 3DStudioMax, Maya – RT visualization and animation production Matlab, LabView, Excel - complex mathematic calculations. QTM – Qualisys Track Manager Calibration and 3D tracking Data collection and cleaning Automatic identification of markers Synchronization with external equipment (force plates, EMG etc.) 3D Data real-time streaming (to Visual3D, Motion Builder, Matlab, LabView) Data export to various formats (c3d, tsv, avi etc)

QTM Project Automation Framework Purpose: automate repetitive data collection and analysis Link data collection to processing in Visual3D QTM PAF 1.0 QTM PAF 1.0 Patient info Select analysis Set of Trials c3d Report in Word Report in Word Return of data Calculate data Data collection Excel Visual3D Calculation Visual3D Calculation

PAF – Interface overview Data tree Details for selected item Data collection buttons PAF comes with powerful tools for managing client metadata (height, weight and birth date) which can easily be entered and changed directly in QTM. The data is stored in a simple, transparent file hierarchy, making it easy and hassle-free to move the data across disks and computers.

Ledens moment M = F · d d F M QUALISYS d M