| 摘要 |
An image display apparatus capable of displaying an image signal of an unknown type. Characteristics of an input image signal are examined and, based on the examined characteristics, an attempt is made to identify the input signal as one of a known type. When the input signal can be identified as one of a known type, the signal is converted into a form suitable for display based on retrieved parameters corresponding to the signal's type. When the input signal can not be identified as one of a known type, the number of vertical lines in the signal is multiplied by a predetermined constant and the resulting product is used to convert the signal into a form suitable for display.
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