Patent ID: 9106855
Filing Date: 2015-08-11
Classification: H04N

Abstract:
1. A radiological image detection apparatus comprising: an imaging unit that includes a plurality of pixels arranged in a two-dimensional array which detect a radiation and convert the radiation to an electrical signal, and acquires radiological image data based on the electrical signal output from each pixel; a storage unit that stores correction data for correcting the radiological image data acquired by the imaging unit while the imaging unit is exposed to the radiation; a correction data generating unit that generates new correction data based on dark image data acquired by the imaging unit while the imaging unit is not exposed to the radiation and updates the correction data stored in the storage unit by the new correction data; a correction unit that performs a correction process for the radiological image data using the correction data stored in the storage unit; a disturbance detection unit that detects a disturbance acting when the imaging unit acquires the dark image data; and a determination unit that, in response to the detection result being within an allowable range, determines the updating of the correction data stored in the storage unit by the correction data generating unit and the acquisition of the dark image data by the imaging unit are permitted, and in response to the detection result being without the allowable range, determines the updating of the correction data stored in the storage unit by the correction data generating unit and the acquisition of the dark image data by the imaging unit are prohibited, based on the detection result of the disturbance detection unit, wherein, in response to the determination indicating that the updating of the correction data stored in the storage unit by the correction data generating unit and the acquisition of the dark image data by the imaging unit are prohibited, the correction unit performs the correction process using previous correction data stored in the storage unit, and wherein the disturbance detection unit is configured to detect load onto the imaging unit.