-
公开(公告)号：EP3505977A1
公开(公告)日：2019-07-03
申请号：EP19150074.3
申请日：2019-01-02
发明人： KANG, Kejun , LI, Jianmin , NI, Xiulin , LI, Yulan , LI, Yuanjing , CHEN, Zhiqiang , ZHANG, Li , LI, Liang , ZOU, Xiang , YU, Weifeng , ZHOU, Hejun , ZONG, Chunguang
IPC分类号： G01V5/00
摘要： The present disclosure relates to the technical field of CT detection, and in particular to a CT inspection system and a CT imaging method. The CT inspection system provided by the present disclosure comprises a radioactive source device, a detection device, a rotation monitoring device and an imaging device, wherein the detection device obtains detection data at a frequency that is N times a beam emitting frequency of the radioactive source device; the rotation monitoring device detects a rotation angle of the detection device and transmits a signal to the imaging device each time the detection device rotates by a preset angle; the imaging device determines a rotational position of the detection device each time the radioactive source device emits a beam according to the signal transmitted by the rotation monitoring device and the detection data of the detection device, and generates a CT image based on the detection data and the rotational position of the detection device each time the radioactive source device emits a beam. The present disclosure can accurately determine the rotational position of the detection device each time the radioactive source device emits a beam, so that it is possible to effectively reduce the image deformation and improve the accuracy of detection results.
-
公开(公告)号：EP3505978A1
公开(公告)日：2019-07-03
申请号：EP19150075.0
申请日：2019-01-02
发明人： NI, Xiulin , LI, Jianmin , TAN, Haitian , LI, Yulan , YU, Weifeng , LI, Yuanjing , ZHOU, Hejun , CHEN, Zhiqiang , ZONG, Chunguang , ZHANG, Li
IPC分类号： G01V5/00
摘要： The present disclosure relates to the technical field of CT detection, in particular to a CT inspection system and a CT imaging method. The CT inspection system provided by the present disclosure includes a scanning device and an imaging device, wherein the scanning device having a radioactive source device and a detection device is configured to rotate at a non-uniform speed in at least partial process of scanning an object to be detected; and the imaging device generates a CT image based on effective detection data, wherein the effective detection data refer to data acquired each time the detection device rotates by a preset angle. In the present disclosure, the imaging device of the CT inspection system generates a CT image based on data acquired each time the detection device rotates by a preset angle, which, compared with traditional image collection solutions, can effectively reduce image deformation and improve accuracy of detection results.
-
公开(公告)号：EP4459332A1
公开(公告)日：2024-11-06
申请号：EP22914540.4
申请日：2022-12-23
发明人： CHEN, Zhiqiang , LI, Yuanjing , SUN, Shangmin , ZONG, Chunguang , NI, Xiulin , ZOU, Xiang , YIN, Wei , YU, Weifeng
摘要： Provided is a multi-ray source inspection apparatus, including: a first inspection device (10) configured to acquire a two-dimensional first transmission image of an inspected object and a second inspection device (20) configured to acquire a second transmission image of the inspected object including three-dimensional information. A first radiation beam and a second radiation beam are emitted in a time-sharing manner, and the two-dimensional first transmission image and the second transmission image including the three-dimensional information are respectively acquired after the inspected object passes an inspection channel once. An inspection method using multiple ray sources is further provided.
-
-
搜索结果
3 条记录 (耗时 0.01 秒)
