Abstract: In an method for detecting a closed loop in MRI: 3D coordinates of key characteristic points of an MRI examination subject are acquired; the 3D coordinates of the key characteristic points are adapted to a 3D body standard model, to obtain a 3D virtual body model of the examination subject; 3D surface regions of pre-designated body parts are extracted from the 3D virtual body model; based on pre-defined body parts where skin contact is likely to occur, a distance between 3D surface regions of two body parts in each body part pair are calculated; and in response to the distance between the 3D surface regions of the two body parts in any body part pair being less than a preset first threshold, a risk of a closed loop in the examination subject is determined.

Abstract: The disclosure relates to techniques for scan preparation in a medical imaging system. The technique includes triggering a 3D camera acquiring a 2D color and depth image of a patient when a patient bed is at an origin position, inputting the image into a pre-trained first body information model to obtain position information of multiple body feature site points, and calculating position information of multiple candidate scanning regions in the patient bed coordinate system. The technique further includes providing the position information of the multiple candidate scanning regions to a medical imaging application apparatus, so that the medical imaging application apparatus determines position information of a current scanning region in the patient bed coordinate system and controls the patient bed to move the current scanning region to a scanning center of a medical imaging device according to the position of the patient bed relative to the scanning center.

Abstract: A magnetic resonance scanning method including: detecting the positions of individual characteristic points of interest and the positions and sizes of individual sites of interest of a target human body in the current MR scan; calculating a scan start position and a total scan range of the current MR scan according to the detected positions of the individual characteristic points of interest and the positions and sizes of the individual sites of interest of the target human body; and performing the current MR scan according to the calculated scan start position and total scan range of the MR scan. In an aspect, the scanning method is fully automatic.

Abstract: The disclosure relates to techniques for scan preparation in a medical imaging system. The technique includes triggering a 3D camera acquiring a 2D color and depth image of a patient when a patient bed is at an origin position, inputting the image into a pre-trained first body information model to obtain position information of multiple body feature site points, and calculating position information of multiple candidate scanning regions in the patient bed coordinate system. The technique further includes providing the position information of the multiple candidate scanning regions to a medical imaging application apparatus, so that the medical imaging application apparatus determines position information of a current scanning region in the patient bed coordinate system and controls the patient bed to move the current scanning region to a scanning center of a medical imaging device according to the position of the patient bed relative to the scanning center.