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Image processing equipment and method

An image processing device and image technology, applied in the field of image processing, can solve problems affecting doctors' diagnosis and correctness of image processing, etc.

Active Publication Date: 2012-08-22
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The noise in these images will seriously affect the doctor's diagnosis, and will affect the correctness of subsequent image processing (such as image segmentation, measurement and volume rendering (Volume Rendering), etc.)

Method used

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  • Image processing equipment and method
  • Image processing equipment and method
  • Image processing equipment and method

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Embodiment Construction

[0028] Embodiments of the present disclosure are described below with reference to the drawings. Elements and features described in one drawing or one embodiment of the present disclosure may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that representation and description of components and processes that are not relevant to the present disclosure and known to those of ordinary skill in the art are omitted from the drawings and descriptions for the purpose of clarity.

[0029] During image processing, iterative filtering can usually be performed on the image to filter out the noise in the image as much as possible. If the number of iterations is too small, the noise reduction effect may not be ideal. On the other hand, if the number of iterations is too large, the useful information in the image will be smoothed, resulting in blurred images and affecting subsequent processing. Some embodiments of the present disc...

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Abstract

The invention provides image processing equipment and an image processing method. The image processing equipment comprises a filtering device for iteratively filtering an input image, and an iterative filtering stopping device for determining whether iterative filtering is stopped or not according to a change rate of a filtered image obtained by filtering with an iterative frequency in an iterative filtering process.

Description

technical field [0001] The present disclosure relates to the field of image processing, and in particular, to an image processing device and method for denoising images (such as medical images). Background technique [0002] Image noise reduction is an important part of image processing. For example, in medical image processing, due to the signal detection performance of equipment, inappropriate imaging algorithms, low scanning dose, etc., using computerized tomography (Computed Tomography, CT) equipment, Magnetic Resonance Imaging (MRI) Medical images acquired by medical equipment such as equipment and ultrasonic (Ultrasound, UL) diagnostic devices often contain noise. The noise in these images will seriously affect the doctor's diagnosis, and will affect the correctness of subsequent image processing (such as image segmentation, measurement and volume rendering (Volume Rendering), etc.). Contents of the invention [0003] A brief overview of some aspects of the disclos...

Claims

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Application Information

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IPC IPC(8): G06T5/00
CPCG06T5/50G06T2207/30004G06T5/70
Inventor 马红枫张玭王艳丽山形仁
Owner TOSHIBA MEDICAL SYST CORP
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