| 摘要 |
PURPOSE:To exactly decide one key that an operator intends to press even if the operator presses plural keys provided at an operation part at the same time. CONSTITUTION:A guidance screen read part 3 inputs image data generated by photographing a guidance picture and the finger tips of the operator and outputted from a camera. A picture processing part 4 extracts the finger tip positions of the operator from the picture data. A selection decision part 5 decides which key on the guidance picture is depressed according to the finger tip positions extracted from reference data indicating the key arrangement on the guidance picture. |
