Character recognition in java

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Java

OCR

Hi All,

I am working on my final year project. It is about CAPTCHA breaking. i.e. To show that captchas are easily broken.
For that following steps need to be followed:

1. Trace the position of characters in the input image.
2. Extract each character. We can also say it as character segmentation. i.e. Separating each character individually.

I have completed my project till this step

Now we have:
1. The segmented images.
2. A training set of images. i.e. A set of images each representing an individual character.

What I want to do now:

1. Maintain a database containing 2 columns. One representing the individual character. i.e. From a to z. Second representing the value obtained after applying some function on the corresponding training image.

2. After applying the same function on the segmented image, which we have obtained in step 2, we'll get their values also. These values will be compared in the database and the corresponding character will be fetched. In this way we can get the text corresponding to that image.

I want to know which function should I apply on the training set of images to get a single and unique value of each training image.