| 摘要 |
<p>An image processing apparatus comprises a scanner mechanism (4) for fetching an image, a function (96, S1) of preparing a density histogram on the basis of the fetched image, a decision function (90, S4 to S7) of deciding a sort of the fetched image corresponding to a histogram distribution of a background area when the density histogram is divided into the background area and a character area having an image density higher than the background area, and a first image density frequency having a maximum frequency within a range of the background area, and a circuit (105, S8 to S12) for correcting a gradation of the fetched image, in accordance with a decision result of the decision function. <IMAGE></p> |
