Nobuaki Sakurada

Image forming method and apparatus

System for exposure measurement and/or focus detection by means of image senser

Method for recording a color image using dots of colorants of different densities

Color image picture forming process and apparatus which improves the quality of the black portions of the picture

Intermediate gradient image producing method

Method for forming a color image

Image forming apparatus which performs gamma correction on the basis of a cumulative frequency distribution produced from a histogram of image data representing a selected area of an image

Color picture forming apparatus and method

Method of and apparatus for forming a color picture using a plurality of color correction processings

Ink jet recording apparatus with ambient temperature detecting means for providing a signal to drive control means responsive to a recording-density data signal