| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image display system, a portable terminal device, a control method, and a control program capable of displaying an image with a portion of the image hidden easily and correctly. <P>SOLUTION: A control unit of an image display system detects correction symbols 27 in image information on a notebook sheet 21 obtained by an imaging unit 5, adjusts vertical and horizontal positions by correcting the image information on the notebook sheet 21 on the basis of the detected correction symbols 27, detects a vertical masking mark 11a and a horizontal masking mark 11b in the image information on the notebook sheet 21, defines a vertical border line 13a extending in the vertical direction of the image information and a horizontal border line 13b extending in the horizontal direction on the basis of the detected vertical masking mark 11a and horizontal masking mark 11b, defines a masking area 14 for the image information on the basis of the vertical border line 13a and horizontal border line 13b, displays the corrected image information on the notebook sheet 21 on a display unit 6, displays a masking image 15 in the masking area 14, and cancels the display of the masking image 15 in response to a touch to a touch panel 7. <P>COPYRIGHT: (C)2013,JPO&INPIT |
