| 摘要 |
PURPOSE: To charge a user the amount of money corresponding to the quality of image information presented to the user. CONSTITUTION: The user requests information by a user input/output part 109 of a reception part 120 and selects a quality of image by a quality information input/output part 110. These information are sent to a transmission part 100, and a image quality control part 104 controls the brightness, the saturation, and the gradation of hue of input image data in accordance with the selected quality to transmit this data to a reception part 120. An accounting device 103 acquires the amount of money corresponding to the quality of transmitted images from an accounting data base 101 and adds it to the amount of money accumulated in an accumulated money amount storage device 102 to obtain the amount of money which the user is charged. |
