# US 2018/0321081 A1 · Speckle imaging device, speckle imaging system, and speckle imaging method

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- Number: US 2018/0321081 A1
- Document ID: US20180321081A1
- Status: Published application
- Kind: A1
- Application number: 16/031,187
- Filed: 2018-07-10
- Published: 2018-11-08
- Earliest claimed: 2015-02-18
- Assignees: Sony Corporation
- Applicants: Sony Corporation
- Inventors: EIICHI TANAKA; YUSAKU NAKASHIMA; ISAMU NAKAO; NORIYUKI KISHII; TAKUYA KISHIMOTO
- Web page: https://patentgrep.com/patent/US20180321081A1

## CPC

- G01J 3/02: Details
- A61B 5/0261: {using optical means, e.g. infrared light}
- G01N 21/4788: {Diffraction (for sizing particles G01N15/0205)}
- A61B 5/0084: {for introduction into the body, e.g. by catheters (A61B5/1459 takes precedence)}
- A61B 5/489: {Blood vessels}
- G01N 2021/479: {Speckle}
- G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N)
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)

## Abstract

The present technology provides a speckle imaging device including: an irradiation condition setting unit that sets an irradiation condition for coherent light with which an imaging object is irradiated; an imaging unit that captures scattered light obtained from the imaging object irradiated with the coherent light; an image generation unit that generates a speckle-enhanced image from a captured image captured by the imaging unit; and a leveling processing unit that generates a leveled speckle image from speckle-enhanced images corresponding to two or more different irradiation conditions.

## Claims

### Claim 1

An image processing system, comprising:
an irradiation unit configured to irradiate an object with coherent light;
an imaging unit configured to capture at least two images of the object with different irradiation conditions;
an acquisition unit configured to acquire the captured at least two images;
a leveling processing unit configured to generate a leveled speckle image from the captured at least two images; and
an output unit configured to output the leveled speckle image.

### Claim 2

An image processing apparatus, comprising:
an acquisition unit configured to acquire a plurality of images of an imaging object, wherein the plurality of images is captured based on at least two different irradiation conditions;
a leveling processing unit configured to generate a leveled speckle image from the plurality of images; and
an output unit configured to output the leveled speckle image.

### Claim 3 (depends on 2)

The image processing apparatus according to claim 2, wherein the irradiation conditions includes irradiation angles or irradiation positions.

### Claim 4 (depends on 2)

The image processing apparatus according to claim 2, wherein the imaging object includes fluid.

### Claim 5 (depends on 4)

The image processing apparatus according to claim 4, wherein the fluid is blood.

### Claim 6 (depends on 2)

The image processing apparatus according to claim 2, wherein the image processing apparatus is mounted on one of a surgical microscope or a surgical endoscope.

### Claim 7 (depends on 2)

The image processing apparatus according to claim 2, further comprising an analysis unit that analyzes a state of the imaging object based on the leveled speckle image.

### Claim 8 (depends on 7)

The image processing apparatus according to claim 7,
wherein the imaging object includes fluid, and
wherein a flow velocity of the fluid is analyzed in the analysis unit.

### Claim 9 (depends on 2)

The image processing apparatus according to claim 2, further comprising a light source unit that emits coherent light.

### Claim 10

An image processing method, comprising:
in an information processing apparatus:
acquiring, by an acquisition unit, a plurality of images captured based on at least two different irradiation conditions;
generating, by a leveling processing unit, a leveled speckle image from the plurality of images; and
outputting, by an output unit, the leveled speckle image.

### Claim 11

A non-transitory computer-readable medium having stored thereon, computer-executable instructions, which when executed by an image processing apparatus, cause the image processing apparatus to execute operations, the operations comprising:
acquiring a plurality of images captured based on at least two different irradiation conditions;
generating a leveled speckle image from the plurality of images; and
outputting the leveled speckle image.