Apparatus and method for determining blood velocity
AssigneeJapan Display Inc.
InventorAdithya NARESH
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Abstract
A blood velocity measurement apparatus includes a near-infrared (NIR) light source configured to irradiate a subject with NIR light, and a NIR sensor configured to receive scattered NIR light from the subject and produce a series of NIR image frames. Each NIR image frame in the series of NIR image frames represents a two dimensional image of a same region of the subject irradiated by the NIR light source and at a different time. The apparatus also includes processing circuitry configured to calculate a blood velocity value from the series of NIR image frames. A corresponding method determines the blood velocity value.
Claims20
A blood velocity measurement apparatus comprising:
- a near-infrared (NIR) light source configured to irradiate a subject with NIR light;
- a NIR sensor configured to receive scattered NIR light from the subject and produce a series of NIR image frames, each NIR image frame in the series of NIR image frames representing a two dimensional image of a same region of the subject irradiated by the NIR light source and at a different time;
- and
- processing circuitry configured to calculate a blood velocity value from the series of NIR image frames.
A method of measuring blood velocity in a subject, the method comprising:
- irradiating a subject with NIR light;
- receiving scattered NIR light from the subject;
- producing a series of NIR image frames, each NIR image frame in the series of NIR image frames representing a two dimensional image of a same region of the subject irradiated by the NIR light and at a different time;
- and
- calculating a blood velocity value from the series of NIR image frames.
Dependencies are inferred from the claim text.