JP2017213296A5

JP2017213296A5 -

Info

Publication number: JP2017213296A5
Application number: JP2016110660A
Authority: JP
Filing date: 2016-06-02
Publication date: 2019-07-04
Anticipated expiration: 2036-06-02

Claims

A plurality of first pixels for acquiring a radiation image, a timing of start of irradiation of radiation from the radiation source, a stop timing of irradiation of the radiation being stopped, an instantaneous dose of the radiation, the and a plurality of second pixels for detecting radiation information including at least one of the information integrated irradiation dose of radiation, a radiation imaging apparatus for chromatic,
Dividing the target area including the plurality of second pixels into a plurality of partial regions, among the plurality of the partial region set by it divided, the tests of the second pixels existing in the partial region Area determination means for determining a partial area to be determined as a test area;
And checking means for checking the output of the second stroke element included in the test area,
A radiation imaging apparatus comprising:

It said area determination means, in response to the check result, the test area is divided into a et a plurality of partial regions, further implementing the tests of the plurality of the partial region set by divided The radiation imaging apparatus according to claim 1, wherein the partial region is determined as a test region.

The radiation imaging apparatus according to claim 1, wherein the area determining unit determines, as the test area, the partial area of the partial area for which the test has not been performed.

The radiation according to any one of claims 1 to 3, wherein the area determination means divides the target area or the test area to a partial area including the second pixel which operates independently. Shooting device.

The second pixel is an AEC pixel, and
An output unit that outputs an AEC signal of the pixel by AEC detection;
Data collection means for collecting image pixel data from a plurality of pixels including the first pixel and the second pixel based on the AEC signal,
5. The radiation imaging according to claim 1, wherein the check unit checks the output of the second pixel by comparing the image pixel data with a predetermined expected value. apparatus.

The radiation imaging apparatus according to any one of claims 1 to 5, characterized in that it comprises a management means that records the result of the check together with the time information of the check.

The management unit manages the history of the check of the results,
The radiation imaging apparatus according to claim 6, wherein the area determination unit determines the test area based on the history.

The radiation imaging apparatus according to claim 7, wherein the area determination unit determines the partial area having the largest number of the second pixels with the oldest test final time of the test as the test area.

9. The radiation imaging apparatus according to claim 8, wherein the area determination unit divides the target area or the test area to a partial area including a predetermined number of the second pixels.

9. The radiation imaging apparatus according to claim 8, wherein the area determination unit divides the target area or the test area until the second pixel exists within a predetermined range from the center of the partial area.

Aside from the plurality of first pixels for acquiring a radiation image, timing of start of irradiation of radiation from the radiation source, timing of stop of irradiation of the radiation, instantaneous dose of the radiation, and A radiation imaging system for testing a plurality of second pixels for detecting radiation information of a target area, the radiation imaging system including at least one information of the integrated dose of the radiation,
The target region including the plurality of second pixels into a plurality of partial regions, among the plurality of the partial region set by divided, the test of the second pixels existing in the partial region Area determination means for determining a partial area to be implemented as a test area;
A radiation generating means for irradiating the second stroke element included in the test area,
Checking means for checking the output of the second pixel irradiated with the radiation ;
A radiation imaging system comprising:

Aside from the plurality of first pixels for acquiring a radiation image, timing of start of irradiation of radiation from a radiation source, timing of stop of irradiation of the radiation, instantaneous dose of the radiation, and A radiation imaging method for testing a plurality of second pixels for detecting radiation information of a target area, including at least one information of the integrated dose of the radiation,
The plurality of second pixels by dividing the including pre Symbol target area into a plurality of partial regions, among the plurality of the partial region set by divided, the second pixels existing in the partial region Determining a partial area to be tested as a test area;
A step of checking the output of the second stroke element included in the test area,
A radiation imaging method comprising:

A program for causing a computer to function as each unit of the radiation imaging apparatus according to any one of claims 1 to 10.