| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_126ee3230b4b5418ebce8364ea676b89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fdad00677b9268c26e005a9e03a7b9dd |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61B6-58
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01T1-17
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61B6-4241
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61B6-032 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61B6-03 |
| filingDate |
2014-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_45cf54c26e7de211ebca66bee7782513
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dc44901641177e3f24dc2dda54325d1f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3d88cd6a69209234d44b33cfb0b4c81d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_86891dcb63701554436c78e23ed45e84
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_068c72f0e4ef2c212fea7083508d54a5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2ac5cf2dce3b1800519fc67bde7e15c3 |
| publicationDate |
2014-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-2014171539-A1 |
| titleOfInvention |
X-ray computed tomography device and correction method |
| abstract |
An X-ray computed tomography device of an embodiment is provided with an X-ray tube (1), an X-ray detector (3), a generation unit (10), a generation control unit (20), and a reconstruction unit (6). The X-ray tube (1) generates X-rays. The X-ray detector (3) detects X-ray photons generated from the X-ray tube (1) and outputs a measurement spectrum. The generation unit (10) generates a synthetic spectrum on the basis of a parameter vector including a parameter relating to the probability of a pile-up event and a parameter relating to a dead time of the X-ray detector (3). The generation control unit (20) controls the generation unit (10) such that the generation unit generates the synthetic spectrum while changing the parameter vector so that the degree of difference between the measurement spectrum outputted by the X-ray detector (3) and the synthetic spectrum generated by the generation unit (10) is less than a predetermined threshold. The reconstruction unit (6) generates a corrected spectrum obtained by correcting the pile-up event on the basis of the synthetic spectrum the degree of difference of which is less than the predetermined threshold, and reconstructs an image on the basis of the generated corrected spectrum. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2016127907-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7271200-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113542629-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113542629-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2016193174-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20200074891-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2017127638-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2019231338-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2016123873-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-102330564-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7042806-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112587161-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2019181160-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2019532699-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7002827-B2 |
| priorityDate |
2013-04-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |