glare and ilumination corection

i need to detect numbers but since there is light the 0 becomes 8 example given , how i can correct this , i need to detect the digits

Answer 1

[Image Analyst]

First, use a rotatable polarizer in front of the lens if you can. Then use a template that looks only at pixels in the template, not elsewhere.

[Image Analyst]

Michael's reply to me moved here since it is not an Answer to his original question:

i make photo with mobile phone i dont know what is polarizer i want to use matlab image processing to fix it

[Image Analyst]

Try this: http://www.mathworks.com/help/vision/ref/ocr.html#bt548t1-2_1