Devices Using Optical Means TRIZ Cases
- AV Lidar Point-Cloud Segmentation for Particulate Matter Detection
Velocity-based lidar segmentation separates particulate matter from solid objects, improving autonomous driving path decisions in low-visibility conditions.
- Drone Wind Estimation From Image and Command Position Drift
By comparing image-based position estimates with commanded motion, this case calculates wind acting on a drone for stable flight in variable conditions.
- Lidar Particulate Matter Detection for Autonomous Driving Paths
Velocity, spatial, and intensity analysis helps lidar separate fog, dust, and mist from solid objects for safer AV path planning.
- Tilted Camera Layout for Mobile Robot SLAM Depth Precision
A tilted narrow-FOV camera improves disparity for features ahead, boosting 3D structure and pose estimation in mobile robot SLAM.
- Rotor Wing Optical Comb Sensing for Accurate UAV Movement Prediction
Optical frequency comb sensing tracks rotor wing distance and rotation to predict UAV ascent, turning, and attitude changes more accurately.
- Distance Measurement Signal Shifting for Higher FFT Resolution
By splitting interference signals, shifting each in frequency, and combining FFT results, this case improves distance accuracy without more sampling points.
- Photonic Doppler Velocimetry Time-Stretching for Ultra-High-Speed Measurement
Time-stretching dispersion fibers and Mach-Zehnder modulation reduce Doppler-signal frequency pressure for conventional oscilloscope capture.
- Velocity Detection Using a Known Light Path Without External References
This case uses emitter-receiver light travel time and the speed of light to measure body velocity without GPS or external motion.
- Wind Vector Calculation Using Multi-Lidar Data Aggregation
A data processing device aggregates line-of-sight wind-speed values from multiple laser radars to calculate continuous wind vectors.
- Photonic Fence Airborne Organism Tracking and Disabling
A photonic fence uses a backlight source and imager to capture images of airborne organisms for biological property identification.
- Speed Sensor Using Liquid Crystal Lens for Optical Measurement
A speed sensor uses a liquid crystal lens and imaging device to calculate velocity from voltage changes.
- LIDAR Spatial Resolution via Laser Frequency Modulation
Frequency modulation in a LIDAR system achieves precise spatial resolution without complex hardware components.
- Array Camera Autofocus Using Depth Maps from Conventional Video
Array camera module generates depth maps to guide a separate conventional video camera, reducing computational load and power consumption.
- Variable Sensitivity Velocity Interferometer with Liquid Immersion
Liquid-immersion velocity interferometers adjust etalon length via piezoelectric actuators to resolve fixed sensitivity constraints.
- Contactless Rotation Detection via Heterodyne Interferometry
Heterodyne interferometric system measures rotation using phase differences between opposite chirality probe beams.
- On-Chip Light Sensing Device for High-Speed Image Processing
A system-on-chip light sensing device performs on-chip image data processing at high sampling rates.
- ViLDAR Visible Light Speed Estimation for Curved Roads
A ViLDAR system estimates vehicle speed using received LED light intensity variations and linear least square fitting methods.
- Handrail Speed Detection Using Optical Imaging
External optical imaging sensors detect handrail surface movement directly, eliminating accuracy errors from roller sliding and simplifying installation.
- Face Contour Detection Using Lidar and Video Fusion
Merging 3D lidar depth measurements with 2D video images resolves face contour detection accuracy despite varying skin colors and lighting conditions.