Velocity-based lidar segmentation separates particulate matter from solid objects, improving autonomous driving path decisions in low-visibility conditions.
By comparing image-based position estimates with commanded motion, this case calculates wind acting on a drone for stable flight in variable conditions.
Velocity, spatial, and intensity analysis helps lidar separate fog, dust, and mist from solid objects for safer AV path planning.
A tilted narrow-FOV camera improves disparity for features ahead, boosting 3D structure and pose estimation in mobile robot SLAM.
Optical frequency comb sensing tracks rotor wing distance and rotation to predict UAV ascent, turning, and attitude changes more accurately.
By splitting interference signals, shifting each in frequency, and combining FFT results, this case improves distance accuracy without more sampling points.
Time-stretching dispersion fibers and Mach-Zehnder modulation reduce Doppler-signal frequency pressure for conventional oscilloscope capture.
This case uses emitter-receiver light travel time and the speed of light to measure body velocity without GPS or external motion.
A data processing device aggregates line-of-sight wind-speed values from multiple laser radars to calculate continuous wind vectors.
A photonic fence uses a backlight source and imager to capture images of airborne organisms for biological property identification.
A speed sensor uses a liquid crystal lens and imaging device to calculate velocity from voltage changes.
Frequency modulation in a LIDAR system achieves precise spatial resolution without complex hardware components.
Array camera module generates depth maps to guide a separate conventional video camera, reducing computational load and power consumption.
Liquid-immersion velocity interferometers adjust etalon length via piezoelectric actuators to resolve fixed sensitivity constraints.
Heterodyne interferometric system measures rotation using phase differences between opposite chirality probe beams.
A system-on-chip light sensing device performs on-chip image data processing at high sampling rates.
A ViLDAR system estimates vehicle speed using received LED light intensity variations and linear least square fitting methods.
External optical imaging sensors detect handrail surface movement directly, eliminating accuracy errors from roller sliding and simplifying installation.
Merging 3D lidar depth measurements with 2D video images resolves face contour detection accuracy despite varying skin colors and lighting conditions.
Dynamic focusing and virtual reference signals extend the measuring range of laser self-mixing devices while maintaining interferometric accuracy.
A color wheel rotation speed detecting module uses an emitter and receiver to measure motor speed through light signals reflected from wheel segments.
Linear light reception units detect transported media speed via temporal correlation of reflected non-coherent light signals.
A Doppler Asymmetric Spatial Heterodyne Spectroscopy interferometer processes backscattered laser light to determine atmospheric wind speeds.
Decoupling a single sensor signal into AC and DC paths mitigates noise interference while maintaining measurement precision.
A hybrid measurement method calculates motor speed using pulse counts and dynamic time intervals from an incremental encoder.
Portable optical sensors detect welding arc light to calculate position and speed, compensating for sensor variances.
A LIDAR chip integrates local electronics with a utility waveguide to route outgoing optical signals for coherent detection.
Interleaved multi-rate sampling corrects initial condition errors and under-sampling artifacts in optical navigation devices.
Electronics tune the data window duration based on time delay to capture return signals from distant objects.
Fiducial light with predetermined attributes corrects environmental degradation in streak tubes, maintaining geometric calibration accuracy.
A laser detection probe measures satellite disk rotational speed on a MOCVD planetary susceptor.
An optical encoder uses an elongated shaft with axial and radial encoding patterns to detect rotational and linear movement via reflected light.