Image analysis – Image sensing – Hand-held
Reexamination Certificate
2004-09-20
2010-02-09
Dang, Duy M (Department: 2624)
Image analysis
Image sensing
Hand-held
C382S312000
Reexamination Certificate
active
07660489
ABSTRACT:
A sensing device for sensing coded data on a surface, generating indicating data, and transmitting the indicating data to a computer system is provided. The coded data is indicative of at least a region identity of the surface, whilst the indicating data comprises data regarding a region identity of the surface and data regarding movement of the sensing device relative to the surface. The sensing device comprises: (a) an image sensor configured for sensing and capturing images of at least some of the coded data when the sensing device is placed in an operative position relative to the surface; (b) a processor for generating the region identity component of the indicating data using the captured images; (c) a movement sensor for generating the movement component of the indicating data; and (d) a transmittor for transmitting the indicating data, comprising the region identity data and the movement data, to the computer system. The processor is configured to: (i) identify at least some of the coded data from one or more of the captured images; (ii) determine an orientation, within the captured images, of the at least some of the coded data; (iii) decode the at least some of the coded data; and (iv) generate data regarding the region identity of the surface using the decoded coded data.
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Lapstun Paul
Silverbrook Kia
Walmsley Simon Robert
Dang Duy M
Silverbrook Research Pty Ltd.
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