Image forming apparatus and image processing apparatus for deciding amount of reduction of exposure amount indicated by image data

An image processing apparatus configured to output first image data to an image forming apparatus comprising a photoconductor;

• an exposure unit configured to form an electrostatic latent image on the photoconductor by exposing the photoconductor;
• and a developing unit configured to cause a developer to adhere to the electrostatic latent image and thereby form an image of the developer on the photoconductor, the image processing apparatus comprising:
• at least one processor and at least one memory configured to function as:
• a determination unit configured to determine, based on second image data, a first correction region, the first correction region being a region which is within a range from where a distance from a first edge of a first image of the developer formed from the second image data is a first value to a second value greater than the first value and which is included in the first image, and a second correction region, the second correction region being a region which is within a range from where a distance from the first edge is the second value to a third value greater than the second value and which is included in the first image;
• a decision unit configured to, for each of a plurality of first correction target pixels included in the first correction region and a plurality of second correction target pixels included in the second correction region, decide an amount of reduction from an exposure amount according to a pixel value that the second image data indicates;
• and
• a correction unit configured to generate the first image data by correcting the second image data based on the amount of reduction for each of the plurality of first correction target pixels and the plurality of second correction target pixels,
• wherein the decision unit decides the amount of reduction of each of the plurality of first correction target pixels to be greater than the amount of reduction of each of the plurality of second correction target pixels.