# US 12,225,171 B2 · F-mode display of ultrasound images for characterization of tissue structures and properties

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- Number: US 12,225,171 B2
- Document ID: US12225171B2
- Status: Granted
- Kind: B2
- Application number: 17/963,262
- Filed: 2022-10-11
- Published: 2023-04-20
- Granted: 2025-02-11
- Earliest claimed: 2021-10-14
- Assignees: Cloudstream Medical Imaging, Inc.
- Applicants: Cloudstream Medical Imaging, Inc.
- Inventors: Chengbin Peng
- Web page: https://patentgrep.com/patent/US12225171B2

## CPC

- H04N 1/60: Colour correction or control {(H04N1/54 takes precedence)}
- H04N 1/6005: {with luminance or chrominance signals, e.g. LC1C2, HSL or YUV}
- A61B 8/06: Measuring blood flow
- A61B 8/461: {Displaying means of special interest}
- A61B 8/488: {involving Doppler signals}
- A61B 8/5207: {involving processing of raw data to produce diagnostic data, e.g. for generating an image}
- H04N 1/6008: {with primary colour signals, e.g. RGB or CMY(K)}
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A method for generating F-mode display of an ultrasound image includes: collecting ultrasound image data that include a plurality of physical properties; mapping the physical properties to a plurality of color components of a color space; and combining the color components to generate an F-mode display of the ultrasound image. Each of the physical properties corresponds a corresponding color component.

## Claims

### Claim 1

A method for generating F-mode display of an ultrasound image, comprising:
collecting ultrasound image data that include a plurality of physical properties;
mapping the plurality of physical properties to a plurality of color components of a color space; and
combining the color components to generate an F-mode display of the ultrasound image,
wherein each of the plurality of physical properties corresponds to a corresponding color component, and
wherein the plurality of physical properties are selected from the group consisting of acoustic reflectivity, acoustic attenuation coefficient, sound speed, Poisson's ratio, shear wave speed, porosity and fluid saturation, density, micro movement of tissue, gas bubble flow, and blood flow.

### Claim 2 (depends on 1)

The method of claim 1, wherein an increase of a value of the corresponding color component corresponds to an increase or decrease of a value of the each of the plurality of physical properties.

### Claim 3 (depends on 1)

The method of claim 1, wherein the color space is a YCbCr color space or an RGB color space.

### Claim 4 (depends on 3)

The method of claim 3, wherein the plurality of physical properties are mapped to corresponding color components of the color space.

### Claim 5 (depends on 4)

The method of claim 4, wherein the color space is the YCbCr color space, and the YCbCr color space includes an intensity component (Y), a red chrome component (Cr), and a blue chrome component (Cb).

### Claim 6 (depends on 5)

The method of claim 5, wherein the plurality of physical properties are the reflectivity, the sound speed, and the Poisson's ratio; and the reflectivity is mapped to the intensity component, the sound speed is mapped to the red chrome component, and the Poisson's ratio is mapped to the blue chrome component.

### Claim 7 (depends on 4)

The method of claim 4, wherein the color space is the RGB color space, and the RGB color space includes a red component (R), a green component (G), and a blue component (B).

### Claim 8 (depends on 7)

The method of claim 7, wherein the plurality of physical properties are the reflectivity, the sound speed, and the Poisson's ratio; and the reflectivity is mapped to the red component, the sound speed is mapped to the green component, and the Poisson's ratio is mapped to the blue component.

### Claim 9

An ultrasound image processing apparatus, comprising an image processor adapted to:
collecting ultrasound image data that include a plurality of physical properties;
mapping the plurality of physical properties to a plurality of color components of a color space; and
combining the color components to generate an F-mode display of the ultrasound image,
wherein each of the plurality of physical properties corresponds to a corresponding color component, and
wherein the plurality of physical properties are selected from the group consisting of acoustic reflectivity, acoustic attenuation coefficient, sound speed, Poisson's ratio, shear wave speed, porosity and fluid saturation, density, micro movement of tissue, gas bubble flow, and blood flow.