AUTOMATIC DETECTION OF PANORAMIC CAMERA POSITION AND ORIENTATION TABLE PARAMETERS

Patent №

US 7,630,571

Granted

2009-12-08

Filed 2005

Owner

MICROSOFT CORPORATION

AI components

2

vision · planning

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

11227046

A panoramic camera is configured to automatically determine parameters of a table upon which the camera is situated as well as positional information of the camera relative to the table. In an initialization stage, table edges are detected to create an edge map. A Hough transformation-like symmetry voting operation is performed to clean up the edge map and to determine camera offset, camera orientation and camera tilt. The table is then fit to a table model to determine table parameters. In an operational stage, table edges are detected to create an edge map and the table model is fit to the edge map. The output can then be used for further panoramic image processing such as head size normalization, zooming, compensation for camera movement, etc.

VisionPlanningG06T 5/80G06T 7/68G06T 7/80G06T 2200/32

AI classification

Vision1.00
Planning0.95
Knowledge representation0.01
AI hardware0.00
Natural language0.00
Machine learning0.00
Speech0.00
Evolutionary computation0.00

Ownership

MICROSOFT CORPORATION

assignment · 167590131

Assignors

CUTLER, ROSS G., CHANG, YA, LIU, ZICHENG, ZHANG, ZHENGYOU

On an employer assignment, the assignors are typically the inventors.

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