Invention Grant
- Patent Title: Adaptive scale and/or gravity estimation
- Patent Title (中): 自适应尺度和/或重力估计
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Application No.: US14014174Application Date: 2013-08-29
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Publication No.: US09159133B2Publication Date: 2015-10-13
- Inventor: Arvind Ramanandan , Christopher Brunner , Mahesh Ramachandran , Murali Ramaswamy Chari
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Silicon Valley Patent Group LLP
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06T7/00

Abstract:
Systems, apparatus and methods for estimating gravity and/or scale in a mobile device are presented. A difference between an image-based pose and an inertia-based pose is using to update the estimations of gravity and/or scale. The image-based pose is computed from two poses and is scaled with the estimation of scale prior to the difference. The inertia-based pose is computed from accelerometer measurements, which are adjusted by the estimation for gravity.
Public/Granted literature
- US20140126771A1 ADAPTIVE SCALE AND/OR GRAVITY ESTIMATION Public/Granted day:2014-05-08
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