IP Library Granted Patent US 8,922,791
Granted Patent B2
US 8,922,791 · App. 13/620,884 · Granted Dec 30, 2014

Camera system with color display and processor for Reed-Solomon decoding

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Quick Facts
Patent No.
US 8,922,791
App. No.
13/620,884
Granted
Dec 30, 2014
Kind
B2
Abstract

A camera system including: a substrate having a coding pattern printed thereon and a handheld digital camera device. The camera device includes: a digital camera unit having a first image sensor for capturing images and a color display for displaying captured images to a user; an integral processor configured for: controlling operation of the first image sensor and color display; decoding an imaged coding pattern printed on a substrate, the printed coding pattern employing Reed-Solomon encoding; and performing an action in the handheld digital camera device based on the decoded coding pattern. The decoding includes the steps of: detecting target structures defining the extent of the data area; determining the data area using the detected target structures; and Reed-Solomon decoding the coding pattern contained in the determined data area.

Claims (28)

1. A portable handheld camera system comprising:

a coded media displaying a coded pattern employing Reed-Solomon encoding, said coded pattern including a data block with a plurality of target structures and a data area containing encoded information, the target structures providing orientation information for decoding the encoded information in the data area; and

a portable handheld camera device comprising:

a first image sensor configured for capturing an image of at least part of the coded pattern and generating a digital representation of said image;

a second image sensor configured to generate signals carrying data relating to an image sensed by the second image sensor; and

an integral processor including:

a first image sensor interface communicatively coupling the first image sensor to the integral processor; and

a second image sensor interface communicatively coupling the second image sensor to the integral processor, wherein:

the integral processor, the first image sensor interface and the second image sensor interface share a common wafer substrate, and

the integral processor is configured for:

 controlling operation of the first image sensor and the second image sensor;

 processing the digital representation of the coded pattern to decode the coded pattern by Reed-Solomon decoding and generate decoded information; and

 performing an action in said portable handheld camera device based on the decoded information from the coded pattern, wherein said processing includes:

 detecting the target structures providing orientation information;

 determining the data area using the detected target structures; and

 Reed-Solomon decoding the determined data area.

2. The portable handheld camera system of claim 1 , wherein said first image sensor and said second image sensor are configured for capturing stereoscopic digital images.

3. The portable handheld camera system of claim 1 , wherein said integral processor is configured to perform said Reed-Solomon decoding in less than 0.32 seconds.

4. The portable handheld camera system of claim 1 , wherein said decoding comprises the further step of:

determining one or more control blocks in the data area, said control blocks containing encoded information required for subsequent Reed-Solomon decoding.

5. The portable handheld camera system of claim 4 , wherein each control block contains encoded information regarding a size of data to be extracted from the data area.

6. The portable handheld camera system of claim 1 , wherein said Reed-Solomon decoding corrects for one or more errors in the imaged coded pattern.

7. The portable handheld camera system of claim 6 , wherein said error is due to image blurring.

8. The portable handheld camera system of claim 6 , wherein said error is due to physical damage of the coded media.

9. The portable handheld camera system of claim 1 , wherein the coded pattern is comprised of black and white dots.

10. The portable handheld camera system of claim 1 , wherein the action performed in said portable handheld camera device is an image-warping effect.

11. The portable handheld camera system of claim 1 , wherein the image sensor is a CCD or CMOS image sensor.

12. The portable handheld camera system of claim 1 , wherein the coded media is a substrate.

Assignments (3)
CHANGE OF NAME Recorded Oct 5, 2017
From: GOOGLE INC.
To: GOOGLE LLC
Reel/Frame 044129/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 22, 2014
From: SILVERBROOK, KIA
To: SILVERBROOK RESEARCH PTY LTD
Reel/Frame 032023/0356 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 18, 2013
From: SILVERBROOK RESEARCH PTY LTD
To: GOOGLE INC.
Reel/Frame 029823/0955 →