| 摘要 |
An aspect-ratio conversion apparatus and a method. The aspect-ratio conversion apparatus to convert an aspect-ratio includes a letterbox border detection unit to detect letterbox border values of a current input image, an adaptive output unit to determine whether the detected letterbox border values are valid, and to output the detected letterbox border values if the detected letterbox values are valid, and a scaling unit to adjust a size of a substantial image area to fit a size of a screen of a display device based on the letterbox border values received from the adaptive output unit.
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