A Study on Image Splicing Algorithm for Large Screen Multi-touch Technique

Since the advent of multi-touch technique, vision-based multi-touch devices are rapidly developed and deployed in many occasions such as white-board for e-Education and interactive advertisement board. Enlarging screen size and increasing display resolution are two essentials to make manipulation more precisely and more fluently. In this paper, we present an effective algorithm to support multiple images splicing in multiple camera environment. The algorithm is using barycentric coordinates to locate the touch point and correct the location error. In theory, the algorithm is capable of supporting unlimited image splicing. Finally, we discussed the limitation of the algorithm and the future works.