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Image processing device and image processing method

An image processing device and processing device technology, applied in image data processing, image enhancement, image analysis, etc., can solve the problem that the global motion vector cannot be uniquely determined

Inactive Publication Date: 2012-07-18
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the case of using the above technique, when the global motion vector is to be calculated from a plurality of images, there is a problem that the global motion vector cannot be uniquely determined, for example, in a case where a small number of feature points exist within an image

Method used

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  • Image processing device and image processing method
  • Image processing device and image processing method
  • Image processing device and image processing method

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Embodiment Construction

[0034] Hereinafter, embodiments of the present disclosure will be specifically described with reference to the accompanying drawings. Note that, in this specification and the appended drawings, structural elements that have substantially the same function and structure are denoted with the same reference numerals, and repeated explanation of these structural elements is omitted.

[0035] Note that description will be given in the following order.

[0036] 1. Example

[0037] 1-1. Overall Configuration of Imaging Device

[0038] 1-2. About frame NR processing

[0039] 1-3. Details of frame NR processing

[0040] 2. Summary

[0041]

[0042]

[0043] First, the configuration of an imaging device according to an embodiment of the present disclosure will be described. In the embodiments of the present disclosure, an imaging device corresponds to an example of an image processing device.

[0044] figure 1 is a block diagram showing the functional configuration of the ima...

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PUM

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Abstract

There is provided an imaging device including a detection section which detects motion of the image processing device, a blend ratio calculation section which calculates a blend ratio of a first motion compensation image to a second motion compensation image, the first motion compensation image and the second motion compensation image being determined from a first motion vector and a second motion vector each indicating motion between frames, respectively, based on the motion of the image processing device detected by the detection section, a blend section which generates a motion compensation image by blending the first motion compensation image and the second motion compensation image in accordance with the blend ratio calculated by the blend ratio calculation section, and an addition section which adds the motion compensation image generated by the blend section to a target image.

Description

technical field [0001] The present disclosure relates to an image processing device and an image processing method, and in particular, to an image processing device and an image processing method that reduce noise included in an image. Background technique [0002] A technique of obtaining an image with reduced noise by compositing a plurality of images (frames) that are continuously captured when capturing an image is known. For example, in the case where a plurality of images (reference images) that are continuously captured before or after the image to be processed are captured and aligned (aligned) by motion estimation and motion compensation are synthesized on the image to be processed (target image), Images that are nearly identical to each other are integrated in the time direction. Therefore, noise randomly included in each image is eliminated, and thus the noise is reduced. Hereafter, the noise reduction (NR) obtained by this method is called frame NR. [0003] I...

Claims

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Application Information

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IPC IPC(8): H04N5/21H04N7/26H04N19/50H04N19/102H04N19/105H04N19/134H04N19/196H04N19/423H04N19/51H04N19/527H04N19/53H04N19/57H04N19/59
CPCG06T2207/20201H04N5/225G06T7/20H04N5/23267H04N19/00684H04N5/23254G06T5/003G06T5/50H04N7/26861H04N19/513H04N23/6811H04N23/683G06T5/73
Inventor 沼田怜小笠原贵
Owner SONY CORP