Medical image processing apparatus and medical image processing method
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United States of America Patent
Stats
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Sep 17, 2024
Grant Date -
Aug 4, 2022
app pub date -
Dec 22, 2021
filing date -
Feb 2, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
There are a medical image processing apparatus and a medical image processing method that are capable of maintaining the estimation accuracy of noise intensity even though a system noise ratio rises. A medical image processing apparatus includes a difference image generating unit that divides projection data obtained by applying radiation to an examinee to create a difference image between tomographic images reconstructed for every divided piece of projection data; a local variance computing unit that computes local variance in the difference image; and a noise estimation unit that corrects the local variance using a correction function found in advance to estimate noise intensity of a tomographic image of the examinee. The correction function includes system noise.
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Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | B2 | JP7395523 | Feb 02, 2021 |
| CN | B | CN114831654 | Dec 31, 2021 |
International Classification(s)
- 2021 Application Filing Year
- G06T Class
- 16419 Applications Filed
- 9296 Patents Issued To-Date
- 56.62 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- G06T Class
- 0 % this patent is cited more than
- 1 Age
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