Method and system for biometric image assembly from multiple partial biometric frame scans

A method for acquiring a plurality of biometric image frames from a sensor and generating a reconstructed composite image from at least some of said plurality of acquired biometric image frames, said method comprising:

• (a) acquiring a frame from said sensor and storing the acquired frame in a memory as a last stored frame;
• (b) comparing the stored frame to the reconstructed composite image to determine any usefulness and any alignment registration relationship between the acquired frame and said reconstructed composite image that is being generated;
• (c) updating the generated reconstructed composite image to incorporate at least a portion of the acquired frame to extend the length (height) of the generated reconstructed composite image and storing the updated generated reconstructed composite image in a memory;
• (d) determining if frame acquisition should be stopped according to a frame acquisition stop criteria;
• and
• (e) if it is determined that frame acquisition should be stopped then stopping acquiring frames and identifying the then currently updated generated reconstructed composite image as the final generated reconstructed composite image, and otherwise repeating the procedure of acquiring additional frames through determining if frame acquisition should be stopped until it is determined that frame acquisition should be stopped.

A method for generating a reconstructed image from a plurality of acquired biometric image frames, said method comprising:

• acquiring a frame from said sensor and storing the acquired frame;
• comparing the acquired frame to a partially reconstructed image to determine any usefulness and any alignment registration relationship between the acquired frame and said reconstructed composite image that is being generated;
• updating the generated reconstructed image to incorporate at least a portion of the acquired frame to extend the length (height) of the generated reconstructed composite image and storing the updated generated reconstructed composite image in a memory;
• determining if frame acquisition should be stopped according to a frame acquisition stop criteria;
• and
• if it is determined that frame acquisition should be stopped then stopping acquiring frames and identifying the then currently updated generated reconstructed composite image as the final generated reconstructed composite image, and otherwise repeating the procedure of acquiring additional frames through determining if frame acquisition should be stopped until it is determined that frame acquisition should be stopped.

A system for generating a biometric image, said system comprising:

• a processor for executing computer program commands in the form of executable program instructions and memory coupled with said processor for storing data and commands;
• a biometric sensor generating an output data stream representing at least one frame of sensed biometric data and coupling said output data stream to said processor;
• and
• means coupled to or integrated with said processor, for receiving said output data stream and for generating a reconstructed image of said biometric.

A computer program product for use in conjunction with a computer system having a processor and a memory coupled with said processor, the computer program product comprising a computer readable storage medium and a computer program mechanism embedded therein, the computer program mechanism, comprising:

• a program module that directs the processor to function in a specified manner to communicate with a biometric sensor by receiving data and generate an output image representing data collected by said sensor, the program module including instructions for:
• acquiring a new frame imaging a portion of a biometric;
• comparing the acquired new frame with at least one earlier acquired frame to determine if any registration alignment exists between said portions of the acquired new frame with said portions of said at least one earlier acquired frame;
• augmenting said at least one earlier acquired frame with said acquired new frame in registration if any registration alignment is determined to exist between portions of the acquired new frame with portions of said at least one earlier acquired frame;
• and
• repeating said acquiring, comparing, and augmenting until said composite biometric has been generated.

A cellular telephone device for collecting a biometric data, said device comprising:

• a processor for executing computer program commands in the form of executable program instructions and memory coupled with said processor for storing data and commands;
• a capacitive biometric fingerprint swipe sensor having a size smaller than substantially 5 mm×20 mm×1 mm and generating an output data stream representing at least one frame of sensed biometric fingerprint data and coupling said output data stream to said processor;
• and
• means coupled to or integrated with said processor, for receiving said output data stream and for generating a reconstructed image of said fingerprint biometric.