3D-Imaging Development and Possibilities Jimmy Jonsson Jimmy - PowerPoint PPT Presentation

Mar 03, 2024 •364 likes •509 views

3D-Imaging Development and Possibilities Jimmy Jonsson Jimmy Jonsson 1 Agenda Introduction Image Processing @ SAAB Dynamics Stereo Basics and Image Based Navigation Calibration SeaWasp Integration

3D-Imaging Development and Possibilities Jimmy Jonsson Jimmy Jonsson 1
Agenda • Introduction • Image Processing @ SAAB Dynamics • Stereo Basics and Image Based Navigation • Calibration • SeaWasp Integration • Applications • Capabilities and Advantages • Demo 2 Jimmy Jonsson 1
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Image Processing at SAAB Dynamics • Target Tracking • Stereo • Image Based Navigation - SLAM (stereo/mono) • Recognition/Identification • Camera Calibration 4 Jimmy Jonsson 1
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Stereo – Basics • The scene is observed by two calibrated cameras • The images are rectified in order to compensate for distortion and to make the epipolar line to become parallel with the x-axis in the images • One dimensional matching between left and right image results in a disparity image • Triangulation results in 3D-positions of points in the scene 6 Jimmy Jonsson 1
Image Based Navigation using Stereo Stereo Detect Landmarks Track Landmarks Estimate Ego- Motion 7 Jimmy Jonsson 1
UWSLAM - UnderWater Simultaneous Localization And Mapping • Built on SAAB’s image based navigation system • Uses stereo cameras to navigate and create sub sea 3D reconstructions/maps • Includes extended camera model to handle refraction 8 Jimmy Jonsson 1
UWSLAM - Calibration • Extended Calibration Model • Calibration of intrinsic and external parameters with standard camera model • New calibration parameters to handle refraction • Refraction compensation by lens 9 Jimmy Jonsson 1
SeaWasp Integration • Industrial GigE Vision Cameras mounted in underwater housings • Processing (3D-reconstruction) on remote computer • Tests performed in both test tank and Vättern/Motala 10 Jimmy Jonsson 1
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UWSLAM Applications • 3D-mapping and Navigation • Inspection/Measurements • Station Keeping • Object Detection and Recognition • Mine Detection • Collision Avoidance • Real-Time 3D situation awareness for e.g. ROV-pilot 12 Jimmy Jonsson 1
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Stereo Capabilities and Advantages • Real-Time Stereo Reconstruction • Real-Time 3D-Mapping • Real-Time Measurements • High Resolution and Full-Color Texture of 3D-Map • Simple Calibration before mission start • Auto-Calibration capability during mission • Low-Cost Hardware compared to e.g. LIDAR 14 Jimmy Jonsson 1

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