| 摘要 |
An image sharpness method is provided. The image sharpness method includes the steps of determining a plurality of sharpness gray level increments for a current pixel in accordance with a non-linear visual function and gray level differences between the current pixel and the neighboring pixels of the current pixel, using the sum of the sharpness gray level increments as a total sharpness gray level increment, and using the sum of the total sharpness gray level increment and the gray level of the current pixel as a sharpness gray level of the current pixel. |
