JP2016022010A5

JP2016022010A5 -

Info

Publication number: JP2016022010A5
Application number: JP2014146293A
Authority: JP
Filing date: 2014-07-16
Publication date: 2017-08-17

Description

そこで、本発明は、参照光と、被写体に照射された測定光の反射光との干渉光に基づいて、前記被写体の偏光状態を示す画像を得る画像処理装置であって、第１の光路及び第２の光路を設定する光路制御手段と、参照光と、前記第１の光路を介して偏光特性が既知の模型物に照射された測定光の反射光との第１の干渉光、及び、前記参照光と、前記第２の光路を介して前記被写体に照射された前記測定光の反射光との第２の干渉光を検出する検出手段と、前記検出手段により検出された前記第１の干渉光の値と、前記模型物の既知の前記偏光特性と、に基づいて、校正量を算出する校正量算出手段と、前記校正量と、前記検出手段により検出された前記第２の干渉光の値と、に基づいて、前記被検体の前記偏光特性を算出する偏光特性算出手段とを有する。 Accordingly, the present invention includes a reference beam, object based on interference light between irradiated measuring beam of the reflected light to an image processing apparatus for obtaining an image indicating the polarization state of the subject, the first optical path and Optical path control means for setting a second optical path, reference light, first interference light of reflected light of measurement light irradiated to the model object having a known polarization characteristic through the first optical path, and and the reference light, the second detecting means for detecting a second interference light of said and the measurement of the reflected light which is irradiated to the subject through the optical path, the first detected by the pre-Symbol detection means of the value of the interference light, and known the polarization characteristics of the model was based on the calibration amount calculating means for calculating a calibration amount, and the calibration quantity, the second detected by the pre-Symbol detection means the value of the interference light, based on the polarization characteristic calculation hand to calculate the polarization characteristic of the subject With the door.

Claims

An image processing apparatus that obtains an image indicating a polarization state of the subject based on interference light between reference light and reflected light of measurement light applied to the subject,
An optical path control means for setting the first optical path and the second optical path;
The first interference light between the reference light and the reflected light of the measurement light irradiated on the model object whose polarization characteristics are known via the first optical path, and the reference light and the second optical path detection means for detecting a second interference light of the reflected light of the measurement light applied to the object Te,
And the value before Symbol said first interference light detected by the detection means, and known the polarization properties of the model object, on the basis of a calibration amount calculating means for calculating a calibration amount,
Said calibration quantity, the value of the second interference light detected by the pre-Symbol detection means, based on, wherein said having a polarization characteristic calculating means for calculating the polarization characteristic of the photographic material Image processing device.

The calibration amount calculation unit calculates the calibration amount based on a value of the first interference light and a retardation value as the known polarization characteristic of the model object. The image processing apparatus according to 1.

The calibration amount calculation unit calculates the calibration amount based on a value of the first interference light and an orientation value as the known polarization characteristic of the model object. The image processing apparatus according to 1.

The model,
A reflector disposed in the optical path of the measurement light;
Further comprising
Said optical path control means controls said reflector, characterized in a guide wolfberry to the object scene body through the first of said model object via an optical path or the second optical path of the measurement light The image processing apparatus according to any one of claims 1 to 3.

The reflector is provided movably,
Said optical path control means, by moving the position of the reflector, and characterized in that the measuring beam through the model object or the second optical path through the first optical path leads to the subject The image processing apparatus according to claim 4.

The model further provided to be movable,
Said optical path control means, by moving the model was a feature and a guide wolfberry to the subject the measurement light through the model object or the second optical path through the first optical path The image processing apparatus according to any one of claims 1 to 3.

Splitting means for splitting the first interference light and the second interference light into light of different polarizations;
Said detecting means, said respective polarization of the light to detect obtained by the dividing means, and outputting a signal corresponding to the detected value,
The image processing apparatus according to claim 1, wherein the calibration amount calculation unit calculates the calibration amount based on the signal output from the detection unit.

Polarization control means for controlling polarization based on the value of the first interference light of the model object and the known polarization characteristics of the model object, provided on the optical path of the measurement light. ,
The calibration amount calculation means is configured to calculate the calibration amount based on the detected value of the first interference light detected by the detection means after the control by the polarization control means and the known polarization characteristics of the model object. The image processing device according to claim 1, wherein

The image processing apparatus according to claim 1, wherein the model includes an optical anisotropic body whose polarization characteristics are known and a reflector.

An image processing device that obtains an image indicating a polarization state of a subject based on first interference light of reference light and reflected light of measurement light irradiated on the subject via a first optical path ,
A second interference light between the reference light and a reflected light of the measurement light irradiated on the model object having a known polarization characteristic via the second optical path, the reference light, and the first optical path. detection means for detecting a first interference light of the reflected light of the measurement light applied to the subject via,
Wherein a polarization control means provided in the optical path of the measuring beam, based on the value before Symbol detected by the detecting means that said second interference light, to the known the polarization properties of the model object, the An image processing apparatus comprising polarization control means for controlling polarization of measurement light .

An image processing method executed by an image processing apparatus that detects interference light between reference light and reflected light of measurement light irradiated on a subject by a detection unit and obtains an image indicating a polarization state of the subject,
A value detected by the detection means of the first interference light between the reflected light of the measurement light and the reference light irradiated to the model object having a known polarization characteristic through the first optical path ; A calibration amount calculating step for calculating a calibration amount based on the known polarization characteristics;
And the reference light, a detection step of detecting a second of said detecting means the value of the second interference light between the irradiated onto the object via the optical path measurement of the reflected light,
Said calibration quantity, the value of the detected second interference light in the detection steps for the photographic material, on the basis of said and said polarization characteristic calculating step of calculating the polarization characteristic of the photographic material An image processing method comprising:

Image processing executed by an image processing device that obtains an image indicating the polarization state of the subject based on the first interference light of the reference light and the reflected light of the measurement light irradiated on the subject via the first optical path A method,
And the reference light, a detection step of polarization characteristics through the second optical path for detecting the second interference light of the reflected light of the measurement light irradiated to a known model thereof,
Provided on an optical path of the measuring light, before SL and detected value of the second interference light in the detection step, based on the known the polarization properties of the model object, to control the polarization of the measuring light A polarization control step.

A program for causing a computer to execute each step of the image processing method according to claim 11 or 12.