TWO DIMENSION-THREE DIMENSIONS ELECTRONIC BOARD

摘要

PURPOSE: A two-dimensional (2D)/ three-dimensional (3D) electronic blackboard is provided to implement 2D or 3D blackboard writing on the electronic blackboard, thereby displaying 3D content. CONSTITUTION: A display device (100) selects a video display format under the control of buttons, operates a 2D or 3D display depending on the selected video display format, and displays a 2D or 3D blackboard writing image. A blackboard writing input unit (400) generates blackboard writing information under the control of blackboard writing and transmits the generated blackboard writing information by wireless. An automatic depth information extractor (200) recognizes motion from video information that a user is photographed and extracts and outputs the depth information of blackboard writing. A blackboard writing controller (300) runs automatically a 2D or 3D blackboard writing support software according to the video display format, generates the 3D blackboard writing image based on the blackboard writing information and the depth information in case of 3D blackboard writing, and transmits the 3D blackboard writing image to the display device. [Reference numerals] (110) 2D/3D expression selecting unit; (120) 2D/3D display controller; (130) 2D image supporting controller; (140) 3D timing and image supporting controller; (150) Display panel; (200) Automatic depth information extractor; (310) Control device; (320) 2D blackboard writing supporting S/W; (330) 3D blackboard writing supporting S/W; (410) Short distance wireless communication module; (420) Blackboard writing information input unit