Invention Grant
- Patent Title: Method and system for motion adaptive fusion of optical images and depth maps acquired by cameras and depth sensors
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Application No.: US14978202Application Date: 2015-12-22
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Publication No.: US10148873B2Publication Date: 2018-12-04
- Inventor: Ulugbek Kamilov , Petros T Boufounos
- Applicant: Mitsubishi Electric Research Laboratories, Inc.
- Applicant Address: US MA Cambridge
- Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee Address: US MA Cambridge
- Agent Gene Vinokur; James McAleenan; Hironori Tsukamoto
- Main IPC: H04N5/232
- IPC: H04N5/232 ; G01S17/08 ; G06K9/62 ; G01C3/08 ; G06T7/00 ; G06T3/40

Abstract:
A method and system for fusing sensed measurements includes a depth sensor to acquire depth measurements of a scene as a sequence of frames, and a camera configured to acquire intensity measurements of the scene as a sequence of images, wherein a resolution of the depth sensor is less than a resolution of the camera. A processor searches for similar patches in multiple temporally adjacent frames of the depth measurements, groups the similar patches into blocks using the intensity measurements, increases a resolution of the blocks using prior constraints to obtain increased resolution blocks, and then constructs a depth image with a resolution greater than the resolution of sensor from the increased resolution blocks.
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