Image processing apparatus, image processing system, and image processing method

An image processing device and an image technology, which are applied in the field of image processing, can solve problems such as inability to improve correction accuracy, and achieve the effects of efficient image processing and correction accuracy.

Pending Publication Date: 2021-09-28
株式会社交互式网络组织图形
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Regarding this point, Patent Document 1 only discloses that when it is judged that the acquisition device of the input image data is a digital camera, the input image data is converted into lightness and chroma information, and the lightness is not changed. The contrast of the lightness range and the technology of grayscale conversion cannot improve the correction accuracy so that it becomes an image close to human vision

Method used

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  • Image processing apparatus, image processing system, and image processing method
  • Image processing apparatus, image processing system, and image processing method
  • Image processing apparatus, image processing system, and image processing method

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no. 1 Embodiment approach

[0115] (First embodiment: an example of the operation of the image processing system 100 )

[0116] Next, an example of the operation of the image processing system 100 of the first embodiment will be described. Figure 6 It is a flowchart showing an example of the operation of the image processing system 100 according to the first embodiment.

[0117]

[0118] like figure 2 As shown in , the image data of image 3 is acquired (image acquisition unit S110). The image acquisition unit 11 can sequentially acquire a plurality of block pixels constituting the image data of the image 3 .

[0119] For example, the image acquisition unit 11 may acquire image data of the image 3 in real time from, for example, a built-in imaging unit (not shown) in addition to acquiring the image data of the image 3 from the imaging device 2 or the like. In addition, the image acquisition unit 11 may acquire a moving image instead of the image 3 as a still image, and in this case, image data is a...

no. 2 Embodiment approach

[0142] (Second embodiment: an example of the operation of the image processing system 100)

[0143] Next, an example of the operation of the image processing system 100 of the second embodiment will be described. Figure 7 It is a flowchart showing an example of the operation of the image processing system 100 of the second embodiment.

[0144]

[0145] The acquisition section 13 acquires image data (acquisition unit S210). The acquisition unit 13 acquires image data having numerical data representing RGB values ​​included in block pixels constituting the image 3, area ratio data representing binarization of the image 3, shading data representing lightness and darkness of the image 3, and image data representing 3 of these multiple data of brightness data. The acquisition unit 13 stores, for example, the image data of the image 3 to be evaluated in the storage unit 104 via the storage unit 15 .

[0146]

[0147] Next, an evaluation result is generated (evaluation unit S...

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Abstract

The present invention provides image processing apparatus, an image processing system and an image processing method, whereby the accuracy of evaluation can be improved. Image processing apparatus for correcting a captured image includes an image acquisition unit that acquires block pixels, an image conversion unit that converts the lightness/darkness, density, luminance and color space of the image based on the RGB values contained in the block pixels, and an output unit that outputs the converted image, and the image conversion unit further includes a binarization processing unit that binarizes the image, calculates the area ration of lightness and darkness in the image, and specifies the light and dark fields, a density conversion unit that performs conversion into wavelengths corresponding to the RGB values, a luminance conversion unit that performs conversion into luminance of the maximum wavelength that is visible to human eye, and a color-space conversion unit that performs conversion into HSV values representing a color space of color tones.

Description

technical field [0001] The present invention relates to an image processing device, an image processing system, and an image processing method for correcting captured images. Background technique [0002] Conventionally, as a device for discriminating image data captured by a digital camera or the like and considering gray scale characteristics so that even different output devices can output visually with the same gray scale and color characteristics, for example, Patent Document 1 has been proposed. image processing device, etc. [0003] The image processing device disclosed in Patent Document 1 includes: a judging unit that judges whether a predetermined device is a digital camera based on predetermined input information; and a conversion unit that, when the judging unit judges that the predetermined device is a digital camera, converting the input image data into lightness and chroma information; and a generating unit that performs grayscale conversion that enhances the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/90H04N5/232
CPCG06T5/008G06T7/90H04N23/80G06T5/007G06T5/40G06T2207/10024G06T2207/20081G06T2207/20021G06T2207/10016G06N20/00G06N5/025G06T2207/20084G06T5/009G06T2207/20208G06T3/4007
Inventor 井上好之
Owner 株式会社交互式网络组织图形
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