Invention Grant
- Patent Title: Apparatus for detecting a specular surface in a scene and method for controlling an apparatus for detecting a specular surface in a scene
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Application No.: US18053580Application Date: 2022-11-08
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Publication No.: US12243285B2Publication Date: 2025-03-04
- Inventor: Armin Josef Schönlieb-Stalzer , Sebastian Handel , Hannes Plank
- Applicant: Infineon Technologies AG
- Applicant Address: DE Neubiberg
- Assignee: Infineon Technologies AG
- Current Assignee: Infineon Technologies AG
- Current Assignee Address: DE Neubiberg
- Agency: Harrity & Harrity, LLP
- Priority: EP21207802 20211111
- Main IPC: G06V10/60
- IPC: G06V10/60 ; G02B5/30 ; G06T7/13 ; G06V10/141 ; G06V10/74 ; G06V10/764

Abstract:
An apparatus for detecting a specular surface in a scene is provided. The apparatus includes an illumination device configured to emit polarized light towards the scene. The apparatus further includes an imaging system configured to capture a first image of the scene based on light emanating from the scene. The light emanating from the scene includes one or more reflection of the emitted polarized light. The imaging system is further configured to capture a second image of the scene based on filtered light. The apparatus further includes a polarization filter configured to generate the filtered light by filtering the light emanating from the scene. The apparatus further includes processing circuitry configured to determine presence of the specular surface in the scene based on a comparison of the first image and the second image.
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