发明名称 |
IMAGE PROCESSING DEVICE, ENDOSCOPE SYSTEM, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE STORAGE DEVICE |
摘要 |
An image processing device includes an evaluation value calculation section that calculates an evaluation value that is used to determine whether or not an inter-frame state of an object within a captured image is a stationary state, an estimated noise amount acquisition section that acquires an estimated noise amount of the captured image, a determination section that determines whether or not the inter-frame state of the object is the stationary state based on the evaluation value and the estimated noise amount, and a noise reduction processing section that performs a first noise reduction process (time-direction noise reduction process) when it has been determined that the inter-frame state of the object is the stationary state, and performs a second noise reduction process that includes at least a spatial-direction noise reduction process when it has been determined that the inter-frame state of the object is not the stationary state. |
申请公布号 |
US2014210973(A1) |
申请公布日期 |
2014.07.31 |
申请号 |
US201414226597 |
申请日期 |
2014.03.26 |
申请人 |
OLYMPUS CORPORATION |
发明人 |
TAKAHASHI Jumpei |
分类号 |
G06T5/00;A61B1/04 |
主分类号 |
G06T5/00 |
代理机构 |
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代理人 |
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主权项 |
1. An image processing device comprising:
an evaluation value calculation section that calculates an evaluation value that is used to determine whether or not an inter-frame state of an object within a captured image is a stationary state; an estimated noise amount acquisition section that acquires an estimated noise amount of the captured image; a determination section that determines whether or not the inter-frame state of the object is the stationary state based on the evaluation value, the estimated noise amount, and a specific condition; and a noise reduction processing section that performs a first noise reduction process that is a time-direction noise reduction process on the captured image when it has been determined that the inter-frame state of the object is the stationary state, and performs a second noise reduction process that includes at least a spatial-direction noise reduction process on the captured image when it has been determined that the inter-frame state of the object is not the stationary state, the specific condition being an observation state of the object, or whether a target area of a noise reduction process belongs to a front-field-of-view area or a side-field-of-view area, or a type of the captured image. |
地址 |
Tokyo JP |