US Patent Application 18316519. IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM simplified abstract

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IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

Organization Name

CANON KABUSHIKI KAISHA==Inventor(s)==

[[Category:RYOJI Arakawa of Tokyo (JP)]]

IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18316519 titled 'IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

Simplified Explanation

The present invention is an image processing apparatus that processes first and second image data obtained from an image capturing unit.

  • The image capturing unit is capable of amplifying a signal obtained by photoelectric conversion with different gains and outputting the first and second image data.
  • The apparatus includes an acquiring unit that determines the exposure difference between the first and second image data.
  • A correcting unit is present in the apparatus, which determines a correction amount based on the acquired exposure difference to reduce the noise difference between the first and second image data.
  • The correcting unit then corrects at least one of the first and second image data based on the determined correction amount.
  • The apparatus also includes a generating unit that generates a composite image by combining the first and second image data, where at least one of the image data has been corrected by the correcting unit.


Original Abstract Submitted

The present invention provides an image processing apparatus operable to process first and second image data from an image capturing unit capable of amplifying, with different gains, a signal obtained by photoelectric conversion and outputting the first and second image data, wherein the apparatus comprises an acquiring unit configured to acquire an exposure difference between the first and second image data; a correcting unit configured to determine a correction amount for reducing a noise difference between the first and second image data based on the exposure difference acquired by the acquiring unit and correct at least one of the first and second image data based on the determined correction amount; and a generating unit configured to generate a composite image by compositing the first and second image data, at least one of which has been corrected by the correcting unit.

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