CL

How to remove non text part(Background) of the image card

2013-08-28T05:32:55Z

I am developing an app for extracting number from image card using sample code of android-ocr(tesseract-ocr).
I have trained the data as per the card font. It is detecting few card if the card having unique background, but if the card having multi background (attached sample) then the number is not recognizing.
Even if the card number little overlapping the background then also not recognition.
I tried to use the below steps to remove the background.
1. Smoothing the cropped image using
GaussianBlur( crop, crop, Size(3,3), 0, 0, BORDER_DEFAULT );
cvtColor( crop, crop, CV_RGB2GRAY );
2. Edge detection used sobel
crop = SobelEdgeDetect(crop);
3. Converting to bitwise not
cv::bitwise_not(crop,crop);
4. Used adaptiveThreshold to remove shadowed kind of things
adaptiveThreshold(crop,crop,255,CV_ADAPTIVE_THRESH_MEAN_C, CV_THRESH_BINARY,75,10);

after using these steps I am getting the image (attached bar-Process`png, citi1-Process.png, citi-Process.png), which is coming bold with blank space inside the number. In this case the ocr application is not recognize the number.
I do not how can fill these number with bold letter.
Now the big challenge for me to remove the background from any image card with out disturbing the text part of the card. So please suggest me how can I overcome all the above issue specific how can remove the background of the image`
I have attached few sample & output data for your reference.

Thanks & regards
Anil

Be a style Icon With custom made Clothing

2011-06-21T00:17:40Z

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CL-Eye Platform - Quad Pack Contest

2010-02-27T11:04:15Z

Introducing the CL-Eye Platform Quad Pack Contest

Contest Overview - What would you do with four eyes?

We’ve got really special announcement for the community: A new contest which is active today with the goal to help spawn and foster multi-camera research and development and to extend the possibilities of the technologies. It is our pleasure to offer as a prize a CL-Eye Platform Quad Pack bundled together with (4) Four Sony Playstation™ 3 Eye Cameras.

Getting started is easy and free:

Contest Registration

1) Create a new CL-Members Account
2) Login to your CL-Members Account
3) Post a reply with an cool & original idea describing how you would use the CL-Eye Platform and 4 Cameras in your project.

Contest Rules

All submissions must be posted as a reply to this thread.

You may not quote, replicate or copy any other contestant’s posts or base ideas. (Determined by posting date)

It is recommended you include images, diagrams, code and video in your post. Do not link to any external webpages as the complete description of your project idea (including images, code, diagrams and videos) must be fully embedded in your post to assure proper judging. We do not have any specific requirements however more detailed outlines and well explained projects will influencing judging. Also note you can attach many file types (jpg, pdf, zip etc…) to the post itself.

Your project can leverage the CL-Eye Platform SDK and the Multicam API. The proposed application may be written in AS3, C, C++, C# or Java programming languages. (Samples provided in the CL-Eye SDK)

You may submit up to three posts, out of which only one of your entries will be considered upon judging.

The contest will last for the period of ~~45 days~~ (Extended) upon which we will chose the most creative and explained idea.

All ideas and code submitted remains owned and copyrighted by it’s author.

Upon the end of the contest the winner will be announced as a reply to this thread (~~April 10th~~ April 31st).

We will ship the prize anywhere that USA Post will ship using USPS.

Please post any questions or discussion here: Contest Questions Thread…

Be creative! Be innovative! Let the best idea win!!!

G’luck from the Code Labs Team.

CL-Eye Platform - Quad Pack Contest (Announcement)

2010-02-27T11:03:51Z

Introducing the CL-Eye Platform Quad Pack Contest

Contest Overview - What would you do with four eyes?

We’ve got really special announcement for the community: A new contest which is active today with the goal to help spawn and foster multi-camera development and to extend the possibilities of the technologies. It is our pleasure to offer as a prize a CL-Eye Platform Quad Pack bundled together with (4) Four Sony Playstation™ 3 Eye Cameras.

Getting started is easy and free:

Contest Registration

1) Create a new CL-Members Account
2) Login to your CL-Members Account
3) Post a reply with an original idea describing how you would use the CL-Eye Platform and 4 Cameras in your project.

More Info:
View Contest Main Thread…
View Contest Questions Thread…