Two-dimensional radiation display device and two-dimensional radiation display method

A two-dimensional radiation display device which receives a radiation detection signal from an array of a plurality of radiation detectors arranged in a two-dimensional manner and is able to output display data for displaying a radiation distribution on a basis of the radiation detection signal, the two-dimensional radiation display device comprising:

• a data acquisition unit which converts the radiation detection signal detected multiple times from the plurality of radiation detectors to two-dimensional radiation data corresponding to positions in the array;
• a region determination data division processing unit which divides the two-dimensional radiation data converted by the data acquisition unit to be equal to or greater than the determination value according to a determination value as a reference for dividing regions;
• an integration processing unit which integrates the two-dimensional radiation data for each of the regions divided by the region determination data division processing unit;
• a data synthesis processing unit which synthesizes two-dimensional data representing a radiation distribution on a basis of an integrated value of each of the regions of each section of specified direction integrated by the integration processing unit;
• and
• an image output unit which outputs the two-dimensional data synthesized by the data synthesis processing unit as display data according to a predetermined display format,
• wherein the region determination data division processing unit determines the determination value on a basis of precision of the integrated value or a statistically significant value and divides the two-dimensional radiation data with the determination value determined by the region determination data division processing unit as a reference.

A two-dimensional radiation display method for a two-dimensional radiation display device which receives a radiation detection signal from an array of a plurality of radiation detectors arranged in a two-dimensional manner and is able to output display data for displaying a radiation distribution on a basis of the radiation detection signal, the two-dimensional radiation display method comprising:

• a data acquisition step of causing data acquisition means of the two-dimensional radiation display device to convert the radiation detection signal detected multiple times from the plurality of radiation detectors to two-dimensional radiation data corresponding to positions in the array;
• a data division processing step of causing data division processing means of the two-dimensional radiation display device to divide the two-dimensional radiation data converted in the data acquisition step into regions of each section of specified direction;
• an integration processing step of causing integration processing means of the two-dimensional radiation display device to integrate the two-dimensional radiation data for each of the regions of each section of specified direction divided in the data division processing step;
• a data synthesis processing step of causing data synthesis processing means of the two-dimensional radiation display device to synthesize two-dimensional data representing a radiation distribution on a basis of an integrated value of each of the regions of each section of specified direction divided in the integration processing step;
• and
• an image output step of causing image output means of the two-dimensional radiation display device to output the two-dimensional data synthesized in the data synthesis processing step as display data according to a predetermined display format.

A two-dimensional radiation display method for a two-dimensional radiation display device which receives a radiation detection signal from an array of a plurality of radiation detectors arranged in a two-dimensional manner and is able to output display data for displaying a radiation distribution on a basis of the radiation detection signals, the two-dimensional radiation display method comprising:

• a data acquisition step of causing data acquisition means of the two-dimensional radiation display device to convert the radiation detection signal detected multiple times from the plurality of radiation detectors to two-dimensional radiation data corresponding to positions in the array;
• a region determination data division processing step of causing region determination data division processing means of the two-dimensional radiation display device to divide the two-dimensional radiation data converted in the data acquisition step according to a determination value as a reference for dividing regions;
• an integration processing step of causing integration processing means of the two-dimensional radiation display device to integrate the two-dimensional radiation data for each of the regions divided in the region determination data division processing step;
• a data synthesis processing step of causing data synthesis processing means of the two-dimensional radiation display device to synthesize two-dimensional data representing a radiation distribution on a basis of an integrated value of each of the divided regions integrated in the integration processing step;
• and
• an image output step of causing image output means of the two-dimensional radiation display device to output the two-dimensional data synthesized in the data synthesis processing step as display data according to a predetermined display format,
• wherein, in the region determination data division processing step, the determination value as a reference for dividing regions is determined on a basis of precision of the integrated value or a statistically significant value and the two-dimensional radiation data is divided with the determined determination value determined by the region determination data division processing step as a reference.