# US 2021/0279918 A1 · Medical information processing apparatus, medical image diagnosis apparatus, and medical information processing method

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- Number: US 2021/0279918 A1
- Document ID: US20210279918A1
- Status: Published application
- Kind: A1
- Application number: 17/188,770
- Filed: 2021-03-01
- Published: 2021-09-09
- Earliest claimed: 2020-03-03
- Assignees: Canon Medical Systems Corporation
- Applicants: Canon Medical Systems Corporation
- Inventors: Kusuto KOGA; Kazuki GATAYAMA; Katsuhiko ISHIDA; Tadatsugu NUNOME; Ryusei SAIKI
- Web page: https://patentgrep.com/patent/US20210279918A1

## CPC

- A61B 5/704: {Tables}
- A61B 5/0035: {adapted for acquisition of images from more than one imaging mode, e.g. combining MRI and optical tomography}
- A61B 5/0037: {Performing a preliminary scan, e.g. a prescan for identifying a region of interest}
- A61B 5/7267: {involving training the classification device}
- A61B 5/742: {using visual displays (displays for heart-related electrical signals, e.g. ECG, A61B5/339)}
- A61B 6/032: {Transmission computed tomography [CT]}
- A61B 6/467: {characterised by special input means}
- A61B 6/469: {for selecting a region of interest [ROI]}
- A61B 6/54: {Control of apparatus or devices for radiation diagnosis}
- A61B 6/542: {involving control of exposure}
- A61B 6/544: {dependent on patient size}
- A61B 6/545: {involving automatic set-up of acquisition parameters}
- G06T 5/50: using two or more images, e.g. averaging or subtraction
- G06T 7/0012: {Biomedical image inspection}
- G06T 12/10: Image preprocessing, e.g. calibration, positioning of sources or scatter correction
- G06T 12/20: Inverse problem, i.e. transformations from projection space into object space
- G16H 30/20: for handling medical images, e.g. DICOM, HL7 or PACS
- G16H 30/40: for processing medical images, e.g. editing
- A61B 2576/00: Medical imaging apparatus involving image processing or analysis (A61B1/00009, A61B6/52 and A61B8/52 take precedence)
- G06T 2207/10081: Computed x-ray tomography [CT]
- G06T 2207/20224: Image subtraction
- G06T 2211/408: Dual energy
- G06T 2211/421: Filtered back projection [FBP]
- G06T 2211/444: Low dose acquisition or reduction of radiation dose
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA

## Abstract

A medical information processing apparatus according to an embodiment includes a processing circuit. The processing circuit is configured: to generate, on the basis of first data obtained in a first imaging process, second data equivalent to data obtained in an imaging process performed under an image taking condition different from that of the first imaging process; to generate, on the basis of quality of the second data, assistance information to assist reviewing related to a second imaging process scheduled to be executed later than the first imaging process under an image taking condition different from that of the first imaging process; and to cause a display circuit to display the assistance information prior to the execution of the second imaging process.

## Claims

### Claim 1

A medical information processing apparatus comprising a processing circuit configured:
to generate, on a basis of first data obtained in a first imaging process, second data equivalent to data obtained in an imaging process performed under an image taking condition different from that of the first imaging process;
to generate, on a basis of quality of the second data, assistance information to assist reviewing related to a second imaging process scheduled to be executed later than the first imaging process under an image taking condition different from that of the first imaging process; and
to cause a display circuit to display the assistance information prior to the execution of the second imaging process.

### Claim 2 (depends on 1)

The medical information processing apparatus according to claim 1, wherein the processing circuit causes the display circuit to display at least one button related to controlling the second imaging process, so as to be kept in association with the assistance information.

### Claim 3 (depends on 1)

The medical information processing apparatus according to claim 1, wherein, by using the second data, the processing circuit generates the assistance information including at least one of: information related to whether or not the second imaging process needs to be executed; information related to whether or not a protocol of the second imaging process is suitable; information related to revising a protocol of the second imaging process; and information related to the quality.

### Claim 4 (depends on 1)

The medical information processing apparatus according to claim 1, wherein
the first imaging process is a low radiation dose imaging process using an X-ray computed tomography apparatus, and
the second imaging process is a high radiation dose imaging process using an X-ray computed tomography apparatus.

### Claim 5 (depends on 1)

The medical information processing apparatus according to claim 1, wherein
the first imaging process is one of a preliminary imaging process and a main imaging process that uses a magnetic resonance imaging apparatus, and
the second imaging process is a main imaging process that uses a magnetic resonance imaging apparatus.

### Claim 6 (depends on 1)

The medical information processing apparatus according to claim 1, wherein the processing circuit exercises control related to the second imaging process, on a basis of the assistance information.

### Claim 7 (depends on 1)

The medical information processing apparatus according to claim 1, wherein the processing circuit generates at least one of a subtraction image and a dual-energy image, by using the second data.

### Claim 8 (depends on 1)

The medical information processing apparatus according to claim 1, wherein, on a basis of the quality, the processing circuit generates the assistance information including at least one of an image taking condition, an imaged range, and an image reconstruction condition related to a main imaging process.

### Claim 9

A medical image diagnosis apparatus comprising:
a data generating unit configured, on a basis of first data obtained in a first imaging process, to generate second data equivalent to data obtained in an imaging process performed under an image taking condition different from that of the first imaging process;
an information generating unit configured, on a basis of quality of the second data, to generate assistance information to assist reviewing related to a second imaging process scheduled to be executed later than the first imaging process under an image taking condition different from that of the first imaging process; and
a controlling unit configured to cause a display circuit to display the assistance information prior to the execution of the second imaging process.

### Claim 10 (depends on 9)

The medical image diagnosis apparatus according to claim 9, wherein the processing circuit causes the display circuit to display at least one button related to controlling the second imaging process, so as to be kept in association with the assistance information.

### Claim 11 (depends on 9)

The medical image diagnosis apparatus according to claim 9, wherein, by using the second data, the processing circuit generates the assistance information including at least one of: information related to whether or not the second imaging process needs to be executed; information related to whether or not a protocol of the second imaging process is suitable; information related to revising a protocol of the second imaging process; and information related to the quality.

### Claim 12 (depends on 9)

The medical image diagnosis apparatus according to claim 9, wherein
the first imaging process is a low radiation dose imaging process using an X-ray computed tomography apparatus, and
the second imaging process is a high radiation dose imaging process using an X-ray computed tomography apparatus.

### Claim 13 (depends on 9)

The medical image diagnosis apparatus according to claim 9, wherein
the first imaging process is one of a preliminary imaging process and a main imaging process that uses a magnetic resonance imaging apparatus, and
the second imaging process is a main imaging process that uses a magnetic resonance imaging apparatus.

### Claim 14 (depends on 9)

The medical image diagnosis apparatus according to claim 9, wherein the processing circuit exercises control related to the second imaging process, on a basis of the assistance information.

### Claim 15 (depends on 9)

The medical image diagnosis apparatus according to claim 9, wherein the processing circuit generates at least one of a subtraction image and a dual-energy image, by using the second data.

### Claim 16 (depends on 9)

The medical image diagnosis apparatus according to claim 9, wherein, on a basis of the quality, the processing circuit generates the assistance information including at least one of an image taking condition, an imaged range, and an image reconstruction condition related to a main imaging process.

### Claim 17

A medical information processing method comprising:
generating, on a basis of first data obtained in a first imaging process, second data equivalent to data obtained in an imaging process performed under an image taking condition different from that of the first imaging process;
generating, on a basis of quality of the second data, assistance information to assist reviewing related to a second imaging process scheduled to be executed later than the first imaging process under an image taking condition different from that of the first imaging process; and
causing a display circuit to display the assistance information prior to the execution of the second imaging process.
