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Method and system for providing clutter suppression in vessels depicted in B-mode ultrasound images

An ultrasound system and clutter suppression technology, applied in the field of ultrasound imaging and clutter seen in blood vessels, can solve problems such as inefficiency and labor

Pending Publication Date: 2021-12-17
GE PRECISION HEALTHCARE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Additionally and / or alternatively, when the clutter in the B-mode image is excessive and looks similar to plaque, the sonographer can separately acquire additional flow images and review the flow images to try to distinguish clutter from plaque, This can be very laborious and inefficient

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  • Method and system for providing clutter suppression in vessels depicted in B-mode ultrasound images
  • Method and system for providing clutter suppression in vessels depicted in B-mode ultrasound images
  • Method and system for providing clutter suppression in vessels depicted in B-mode ultrasound images

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Embodiment Construction

[0011] Certain embodiments can be found in methods and systems for providing clutter suppression in blood vessels depicted in B-mode ultrasound images. Various embodiments have the technical effect of clutter filtering image pixels in a lumen region of a B-mode image based on flow characteristics of corresponding image pixels in spatially correlated flow image frames.

[0012] The foregoing Summary, together with the following Detailed Description of certain embodiments, will be better understood when read in conjunction with the accompanying drawings. To the extent that the figures illustrate the functional blocks of various embodiments, these functional blocks are not necessarily indicative of the division between hardware circuitry. Thus, for example, one or more functional blocks (eg, a processor or memory) may be implemented in a single piece of hardware (eg, a general-purpose signal processor or random access memory block, hard disk, etc.) or in multiple pieces of hardwa...

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Abstract

The invention provides a system and method for providing clutter suppression in vessels depicted in B-mode ultrasound images. The method includes acquiring series of B-mode frames and periodically acquiring a flow image frame between each series of B-mode frames. The method includes segmenting the flow image frame and a subsequent B-mode frame in a series of B-mode frames acquired immediately after the flow image frame to extract a vessel lumen and analyzing a spatial correlation between the vessel lumen region in the flow image frame and the vessel lumen region in the subsequent B-mode frame. The method includes applying clutter filtering to pixels in the vessel lumen region of the subsequent B-mode frame based on flow characteristics of corresponding pixels in the flow image frame when the spatial correlation between the vessel lumen region in the flow image frame and the vessel lumen region in the subsequent B-mode frame exceeds a threshold. The method includes presenting the clutter suppressed B-mode frame.

Description

technical field [0001] Certain embodiments relate to ultrasound imaging. More specifically, certain embodiments relate to methods and systems for suppressing clutter seen within blood vessels depicted in B-mode ultrasound images. Background technique [0002] Ultrasound imaging is a medical imaging technique used to image organs and soft tissues in the human body. Ultrasound imaging uses real-time, non-invasive, high-frequency sound waves to produce two-dimensional (2D), three-dimensional (3D) and / or four-dimensional (4D) (ie, real-time / continuous 3D images) images. [0003] Ultrasound imaging is a valuable non-invasive tool for diagnosing various medical conditions. On ultrasound examination of the carotid lumen or other vessels, B-mode ultrasound images should appear black within the vessel lumen unless plaque is present. However, the tissue being imaged can result in multipath reflections or off-axis scatter that appear as clutter in the B-mode image, which can be prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00A61B8/08
CPCA61B8/44A61B8/4488A61B8/5207A61B8/5215A61B8/0891G01S7/52077G01S15/8981A61B8/5269A61B8/06G06T2207/20084G06T2207/10132G06T5/50G06T2207/10016G06T7/62G06T2207/30104G01S15/8927G06T5/70G06T7/0012A61B8/461G06T7/11G06T2207/20024G06T7/32
Inventor 里蒙·塔德罗斯
Owner GE PRECISION HEALTHCARE LLC