TOUCH POSITIONING METHOD, TOUCH SCREEN, TOUCH SYSTEM, AND DISPLAY

摘要

Provided are a touch positioning method, a touch screen, a touch system, and a display, the touch positioning method comprising: processing an image acquired by a first camera to obtain first image data, and processing an image acquired by a second camera to obtain second image data, wherein the first image data comprise one touch image block, the second image data comprise more than two touch image blocks; processing the second image data to obtain third image data, and the third image data comprise two image blocks suspected to be the touch objects; obtaining the distance between the two suspected image blocks according to the first image data and the third image data; and obtaining the location information of the actual touch objects according to the first image data, the third image data, and the distance between the two suspected image blocks. This touch positioning method can eliminate misjudgment caused by a "crack dot".