Abstract: This application discloses a method, a computer device, a storage medium, and a program product for obtaining the Index of Microvascular Resistance (IMR). The method comprises the following steps: obtaining the resting pressure of the coronary artery ostium, and calculating the cardiac output pressure based on the resting pressure of the coronary artery ostium. Obtaining the hyperemic pressure of the coronary artery ostium, and obtaining the coronary flow reserve based on the cardiac output pressure, the resting pressure, and the hyperemic pressure. Obtaining the medical images of the coronary system, obtaining the three-dimensional model of the target vessel, and calculating the morphological parameters of the coronary artery based on the three-dimensional model of the target vessel. Calculating the resting blood flow and the flow resistance based on the morphological parameters.

Abstract: A stenosis assessment method and device based on the intracranial digital subtraction angiographic (DSA) imaging, including acquiring the intracranial DSA imaging and extracting two planar images containing the target blood vessel from the DSA imaging, wherein the two planar images have different shooting angles. According to the two planar images, a 3D model of the target vessel is established. Based on the established 3D model of the target vessel and the DSA imaging, the hemodynamic simulation of the target vessel is performed. The disclosure realizes the functional assessment of intracranial vascular stenosis, improves the diagnostic accuracy, and provides certain assistance for neurologists to determine intervention means. The disclosure of noninvasive FFR technology in the assessment of intracranial vascular stenosis can only rely on angiography for functional assessment, saving the medical examination cost of patients. It has more convenient operation and higher repeatability.

Abstract: The disclosure discloses a method, a device, a system and a computer storage medium for obtaining the CT perfusion imaging parameter maps of brain. The method includes: obtaining CT perfusion images, pre-processing the CT perfusion images, and obtaining discrete contrast agent concentration curves C(n) of each pixel point in the brain tissue; reading the acquisition time information of the CT perfusion images to obtain the acquisition time arrays T(n); intercepting the acquisition time arrays T(n) to obtain the relative acquisition time arrays t(n); combining the discrete contrast agent concentration curves C(n) with the corresponding relative acquisition time arrays t(n) to obtain the discrete time-concentration curves C(tn) of each pixel point in the brain tissue; after fitting or interpolating the discrete time-concentration curves C(tn), re-discretizing at the same time interval, and obtaining the discrete time-concentration curves C(n)? of each pixel point in brain tissue.

Abstract: Provided is a terminal device, an audio processing method, and a storage medium. The terminal device at least comprises: a housing, which has a flexible structure and is configured to bent at the flexible structure; an audio cavity component located within the housing and is configured to deform along with the deformation of the housing to form a corresponding deformation state; and a processing component, which is configured to determine, based on the deformation state of the audio cavity component, an audio processing parameter matching the deformation state of the audio cavity component.

Abstract: Provided is a terminal device, an audio processing method, and a storage medium. The terminal device at least comprises: a housing, which has a flexible structure and is configured to bent at the flexible structure; an audio cavity component located within the housing and is configured to deform along with the deformation of the housing to form a corresponding deformation state; and a processing component, which is configured to determine, based on the deformation state of the audio cavity component, an audio processing parameter matching the deformation state of the audio cavity component.

Abstract: A folding device includes a power assembly, at least one movement assembly coupled with the power assembly, and at least one group of connecting rod assembly movably coupled with the movement assembly. The connecting rod assembly is configured to movably couple with a flexible panel, and the power assembly is arranged to be fixed relative to the flexible panel. The movement assembly is configured to be moved by the power assembly, the connecting rod assembly is configured to move along with the movement assembly and rotate relative to the movement assembly, and at least a part of the flexible panel is driven by the connecting rod assembly to move and be in a folded state or an unfolded state.