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Image processing device, image processing method, POI information creation system, warning system, and guidance system

  • US 9,672,606 B2
  • Filed: 06/18/2015
  • Issued: 06/06/2017
  • Est. Priority Date: 10/27/2014
  • Status: Active Grant
First Claim
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1. An image processing device comprising:

  • a processor configured to execute various programs for performing image processing on a target image; and

    a memory that stores a result of the image processing, whereinthe processor is configured to executea process of converting a color space of the target image and acquiring color information on the converted color space,a process of calculating, for the target image, a first average value indicating an average value of brightness of color information on a target region that contains an object to be detected,a process of comparing, for the target region, brightness of color information on each pixel with the first average value to generate a corrected image with corrected brightness/darkness, anda process of extracting the object on the basis of the corrected image,wherein the processor is configured to, for a past image that has been captured prior to the target image, calculate a second average value indicating an average value of brightness of color information on a region corresponding to the target region of the target image, and generate the corrected image by taking into consideration a ratio between the first average value and the second average value.

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