Patent Document ID: 8989491
Application ID: 13395754
Patent Status: 1

Claim One:
1. A method for preprocessing a text containing region of video for improving the optical character recognition input, characterized by preprocessing a plurality of frames of said text containing region of video, said method comprises computer implemented steps of: a. locating the text image in the region of video containing text in the plurality of frames of said text containing region of video; b. enhancing the recognized text image in the region of video containing text to higher resolution by applying a combination of a six tap finite impulse response filter and an interpolation technique; c. binarizing the enhanced high resolution text image; d. segmenting at least two touching characters of the binarized text image by finding standard deviation of each character's width with average character width in the binarized image, and e. identifying the keyword from segmented text image as improved input for optical character recognition.