Method of processing touch-sensor data and apparatus for performing the same
A method of processing touch-image data includes calculating a plurality of motion vectors using a plurality of low-resolution touch-image data frames, aligning sensing data corresponding to an object detected in the low-resolution touch-image data frames using the motion vectors to generate an overlapped touch-image data frame, generating high-resolution data corresponding to the detected object using the overlapped touch-image data frame and detecting the touch position and generating touch position data of the detected object using the high-resolution touch position data corresponding to the detected object.
1. A method of processing touch sensor data comprising:
calculating a plurality of motion vectors using a plurality of low-resolution touch-image data frames;
aligning sensing data corresponding to an object represented in the low-resolution touch-image data frames using the motion vectors to generate an overlapped touch-image data frame;
generating high-resolution touch-image data corresponding to the object using the overlapped touch-image data frame; and
detecting a touch position data of the object using the high-resolution touch-image data corresponding to the object.
2. The method of claim 1 , further comprising:
correcting the high-resolution touch-image data corresponding to the object using example based data stored in a storage part.
3. The method of claim 1 , wherein the sensing data have multiple bits corresponding to a touchscale.
4. The method of claim 1 , wherein the spacing distance of the high-resolution data equals ½ of the spacing distance of the low-resolution data.
5. The method of claim 1 , wherein the generating the high-resolution data comprises:
mapping entire sensing data of the overlapped touch-image data frame to high-resolution touch-image data.
6. The method of claim 1 , wherein the generating the high-resolution data comprises:
mapping sensing data of a first area in the overlapped data touch-image frame to high-resolution touch-image data, the first area including the sensing data of the object.
7. The method of claim 6 , wherein the generating the high-resolution touch-image data further comprises:
applying sensing data in one of the low-resolution touch-image data frames as sensing data of a second area of the overlapped touch-image data frame, the second area being except for the first area in the overlapped touch-image data frame.
8. The method of claim 6 , wherein the generating the high-resolution touch-image data further comprises:
omitting sensing data of a second area except for the first area in the overlapped touch-image data frame.
9. A display apparatus comprising:
a display/sensor panel part comprising a plurality of pixel parts for displaying an image and a plurality of sensing parts for sensing the touch-image of an object;
a display driving part driving the pixel parts;
a sensing driving part driving the sensing parts; and
a sensing control part calculating a plurality of motion vectors using a plurality of low-resolution touch-image data frames, aligning sensing data corresponding to an object in the low-resolution touch-image data frames using the motion vectors to generate an overlapped touch-image data frame and generating high-resolution touch-image data corresponding to the object using the overlapped touch-image data frame.
10. The display apparatus of claim 9 , wherein the sensing control part comprises:
a motion vector calculating part calculating a plurality of motion vectors using a plurality of low-resolution touch-image data frames;
a position alignment part aligning sensing data corresponding to an object in the low-resolution touch-image data frames using the motion vectors to generate an overlapped touch-image data frame;
a high-resolution generating part generating high-resolution touch-image data corresponding to the object using the overlapped touch-image data frame; and
a position detecting part detecting a touch position data of the object using the high-resolution touch-image data of the object.
11. The display apparatus of claim 10 , wherein the high-resolution generating part corrects the high-resolution touch-image data of the object using example based data stored in a storage part.
12. The display apparatus of claim 10 , wherein the sensing data have multiple bits corresponding to a touchscale.
13. The display apparatus of claim 10 , wherein the spacing distance between the high-resolution touch-image data is decreased as ½ of the spacing distance between the low-resolution touch-image data.
14. The display apparatus of claim 10 , wherein the high-resolution generating part maps entire sensing data of the overlapped touch-image data frame to high-resolution data.
15. The display apparatus of claim 10 , wherein the high-resolution generating part maps sensing data of a first area in the overlapped touch-image data frame to high-resolution data, the first area including the sensing data of the object.
16. The display apparatus of claim 15 , wherein the high-resolution generating part applies sensing data in one of the low-resolution touch-image data frames as sensing data of a second area of the overlapped touch-image data frame, the second area being except for the first area in the overlapped touch-image data frame.
17. The display apparatus of claim 15 , wherein the high-resolution generating part omits sensing data of a second area except for the first area in the overlapped touch-image data frame.
18. A touch sensing apparatus comprising:
a touch-sensor panel part comprising a plurality of sensing parts for sensing the touch-image of an object;
a sensing driving part driving the sensing parts; and
a sensing control part calculating a plurality of motion vectors using a plurality of low-resolution touch-image data frames, aligning sensing data corresponding to an object in the low-resolution touch-image data frames using the motion vectors to generate an overlapped touch-image data frame and generating high-resolution touch-image data corresponding to the object using the overlapped touch-image data frame.
19. The apparatus of claim 18 , wherein the sensing control part comprises:
a motion vector calculating part calculating a plurality of motion vectors using a plurality of low-resolution touch-image data frames;
a position alignment part aligning sensing data corresponding to an object in the low-resolution touch-image data frames using the motion vectors to generate an overlapped touch-image data frame;
a high-resolution generating part generating high-resolution touch-image data corresponding to the object using the overlapped touch-image data frame; and
a position detecting part detecting a touch position data of the object using the high-resolution touch-image data of the object.
20. The apparatus of claim 19 , wherein the high-resolution generating part corrects the high-resolution touch-image data of the object using example based data stored in a storage part.