| 摘要 |
The present invention relates to a plasma display apparatus, and more particularly, to a plasma display apparatus for representing gray levels and image processing method thereof. According to the present invention, the plasma display apparatus includes an object division unit for detecting an edge from a received m-bit image signal and dividing an object surrounded by the edge, and an image signal conversion unit for dividing between-gray levels of pixels constituting the divided object and converting the m-bit image signal into a n-bit image signal (where n is a natural number greater than m). By finely dividing between-gray levels allocated to pixels corresponding to a divided object, the gray linearity can be secured.
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