absurveying_riegl_vux1_lasview_error_04_color_by_return Published April 9, 2018 at 1040 × 807 in Removing Low Noise from RIEGL’s VUX-1 UAV LiDAR flown in the Philippines ← Previous Next → Seen from this angle the erroneous points appear with a geometric arrangement that hints at an error in waveform processing.