JP2016010656A5

JP2016010656A5 -

Info

Publication number: JP2016010656A5
Application number: JP2014135022A
Authority: JP
Filing date: 2014-06-30
Publication date: 2017-07-27
Anticipated expiration: 2034-06-30

Claims

An optical coherence tomography apparatus for detecting tomographic image data of a test object by detecting an OCT signal by measurement light and reference light irradiated on the test object and processing the OCT signal,
An acquisition means for acquiring a plurality of OCT signals that are temporally different with respect to the same position on the object;
Arithmetic processing means for processing the plurality of OCT signals acquired by the acquisition means to acquire motion contrast data in the test object,
The obtaining means obtains the plurality of OCT signals at a second position different from the first position after obtaining the plurality of OCT signals at a first position on the test object,
The arithmetic processing means processes the plurality of OCT signals acquired at the first position during acquisition of the plurality of OCT signals at at least one of the first position and the second position by the acquisition means. An optical coherence tomography apparatus for obtaining motion contrast data at the first position.

The optical coherence tomography device of claim 1,
The first position is a first transverse position,
The second position is a second transverse position,
The arithmetic processing means processes the plurality of OCT signals detected at the first transverse position during acquisition of the plurality of OCT signals at at least one of the first transverse position and the second transverse position. Then, the optical coherence tomography apparatus is characterized in that motion contrast data at the first transverse position is acquired.

The optical coherence tomography of claim 1,
The acquisition unit scans the measurement light at a plurality of different crossing positions on the test object, acquires an OCT signal for acquiring three-dimensional motion contrast data in the XY directions,
The arithmetic processing means processes the OCT signals at the plurality of crossing positions, acquires the three-dimensional motion contrast data,
The analysis processing means sequentially acquires the motion contrast data at the plurality of crossing positions by the arithmetic processing means, and sequentially displays the motion contrast data at each crossing position on the display means. An optical coherence tomography apparatus displaying contrast data on a display means.

The optical coherence tomography of claim 1,
The acquisition unit scans the measurement light at a plurality of different crossing positions on the test object, acquires an OCT signal for acquiring three-dimensional motion contrast data in the XY directions,
The arithmetic processing means processes the OCT signals at the plurality of crossing positions, acquires the three-dimensional motion contrast data,
The analysis processing means sequentially acquires the three-dimensional motion contrast data, and sequentially, based on the three-dimensional motion contrast data, the OCT function front which is front image data in a predetermined depth region of the test object. An optical coherence tomography apparatus characterized in that real-time OCT function front image data is displayed on a display means by acquiring image data and displaying OCT function front image data at each crossing position on the display means.

Optical coherence tomography calculation executed in an optical coherence tomography apparatus that detects an OCT signal based on measurement light and reference light irradiated on the test object, and acquires a tomographic image of the test object by processing the OCT signal A method,
An acquisition step for acquiring a plurality of OCT signals that are temporally different with respect to the same position on the test object, and after acquiring the plurality of OCT signals at a first position on the test object, An acquisition step of acquiring the plurality of OCT signals at a second position different from the first position;
An arithmetic processing step for processing the plurality of OCT signals acquired in the acquisition step to acquire motion contrast data in the test object, wherein at least one of the first position and the second position in the acquisition step An arithmetic processing step of processing the plurality of OCT signals acquired at the first position and acquiring motion contrast data at the first position during acquisition of the plurality of OCT signals at
An optical coherence tomography calculation method comprising:

Executed in a control device that controls the operation of an optical coherence tomography apparatus that detects an OCT signal by measurement light and reference light irradiated on a test object, and acquires a tomographic image of the test object by processing the OCT signal An optical coherence tomography calculation program,
By being executed by the processor of the control device,
An acquisition step for acquiring a plurality of OCT signals that are temporally different with respect to the same position on the test object, and after acquiring the plurality of OCT signals at a first position on the test object, An acquisition step of acquiring the plurality of OCT signals at a second position different from the first position;
An arithmetic processing step for processing the plurality of OCT signals acquired in the acquisition step to acquire motion contrast data in the test object, wherein at least one of the first position and the second position in the acquisition step An arithmetic processing step of processing the plurality of OCT signals acquired at the first position and acquiring motion contrast data at the first position during acquisition of the plurality of OCT signals at
Is executed by the optical coherence tomography apparatus.