Dimensioning system with multipath interference mitigation
US9557166B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2014 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Oct 21, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B11/255
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and method for measuring an item's dimensions using a time-of-flight dimensioning system is disclosed. The system and method mitigate multipath distortion and improve the accuracy of the measurements, especially in a mobile environment. To mitigate the multipath distortion, an imager captures an image of an item of interest. This image is processed to determine an illumination region corresponding item-of-interest's size, shape, and position. Using this information, an adjustable aperture's size, shape, and position are controlled so the light beam used in the time-of-flight analysis substantially illuminates the illumination region without first being reflected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.