Patent ID: 7391441

Claim:
A method for evaluating an image including; providing an electronic image evaluating system; providing an electronic image sensor in said electronic image evaluating system; providing a plurality of individual sensors in said electronic image sensor; providing a plurality of pixels in each of said plurality of individual sensors; reading out all of said pixels for at least one of said plurality of individual sensors in said electronic image evaluating device; determining a position of a characteristic in an image area of said image to be evaluated in response to said reading out of all of said pixels for said at least one individual sensor; reading out only selected ones of said plurality of pixels in said at least one of said plurality of individual sensors in said electronic image evaluating device corresponding with said position of said characteristic of said image to be evaluated; blanking out remaining ones of said plurality of pixels in said at least one of said plurality of individual image sensors in accordance with image areas of said image sensed by said plurality of pixels not corresponding with said position of said characteristic to be evaluated; and providing an amount of image data to be processed in said electronic image evaluating system corresponding to said reading out of only said selected ones of said plurality of pixels corresponding to said position of said characteristic to be evaluated.