Abstract: A method and a device for providing reference information for a scan protocol are provided. The method includes: obtaining first basic information and a first pilot image of a patient to be scanned as index information; retrieving a second pilot image that matches the index information from a preset scan protocol database; and outputting a second pilot image, and a second reconstructed image and a second scan protocol in the preset scan protocol database which correspond to the second pilot image as reference information. If the second pilot image matches the index information, the physical condition of a scanned patient corresponding to the second pilot image is similar to that of the patient to be scanned, and the second pilot image, and the second reconstructed image and the second scan protocol in the preset scan protocol database which correspond to the second pilot image are outputted as reference information.

Abstract: A data disaster tolerance method, device and system is disclosed. Each node in a logic unit including a single master node and two or more slave nodes is monitored. If the master node is abnormal, the server acquires log information of the plurality of two or more slave nodes separately, the log information of the two or more slave nodes includes respective time points of data synchronization between the slave nodes and the master node A respective slave node of the two or more slave nodes having the time point of data synchronization closest to a current time is selected as a target node. A master-slave relationship in the logic unit is updated to change a role of the target node to that of the master node.

Abstract: A high-transparence fiberglass paper includes vegetable parchment which is successively coated with a base layer, a second layer and a protective layer on both sides. The base layer and protective layer are prepared using water-based paints, while the second layer is prepared using UV ink through curing. The transparency and surface smoothness of the fiber is thereby greatly improved. Through treatment on the both surfaces, the paper can be processed into a light and smooth paper, with a surface smoothness of both sides more than 200 s, just like hyaline paper.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for processing a CT (Computed Tomography) image are provided. An example method includes accessing an original CT image that is reconstructed from a first set of raw data and includes windmill artifacts, generating a high-frequency image by processing the original CT image, generating a low-frequency image by processing a plurality of thick images reconstructed from a second set of raw data and combining the plurality of processed thick images, the second set of raw data including the first set of raw data and each of the plurality of thick images including substantially no windmill artifacts, generating an intermediate image by synthesizing the high-frequency image and the low-frequency image, and obtaining a target CT image based on the generated intermediate image.

Abstract: A method for reconstructing a CT scan image, comprising: performing a first scan to acquire a first projection data, wherein the first scan is a scan that a subject is covered by a low dose X-ray beam in an axial plane; performing a second scan to acquire a second projection data, wherein the second scan is a scan that a target portion of the subject is covered by a high dose X-ray beam in the axial plane; determining a data filling point in the second projection data, wherein the data filling point is located in a truncated region; and filling the data filling point in the second projection data with a data from the first projection data which corresponds to the data filling point; and reconstructing a second scan image based on the filled second projection data.

Abstract: A high-transparence fiberglass paper includes vegetable parchment which is successively coated with a base layer, a second layer and a protective layer on both sides. The base layer and protective layer are prepared using water-based paints, while the second layer is prepared using UV ink through curing. The transparency and surface smoothness of the fiber is thereby greatly improved. Through treatment on the both surfaces, the paper can be processed into a light and smooth paper, with a surface smoothness of both sides more than 200 s, just like hyaline paper.

Abstract: Determining the lung compliance and lung resistance of a subject undergoing respiratory therapy using non-invasive ventilation requires taking the presence of leaks into account. In particular, variable and unintentional leaks at or near a subject interface appliance may be dynamically determined based on an average resistance of the leak orifice of the subject.

Abstract: A method includes: collecting projection data and recording electrocardiogram data when computed tomographic scanning is performed on a patient, selecting, from the projection data and based on the electrocardiogram data, first projection data related to each cardiac pixel in a same phase, and reconstructing, based on the first projection data, an image of the related cardiac pixel, to obtain a cardiac image; determining, based on the electrocardiogram data, a reconstruction phase of each reconstruction pixel in a first reconstruction region, where the first reconstruction region is an image region selected along the patient's head-to-foot direction from the cardiac image; and selecting, based on the reconstruction phase of each reconstruction pixel and from the projection data, second projection data related to the reconstruction pixel in the reconstruction phase, and reconstructing, based on the second projection data, an image of the reconstruction pixel.

Abstract: A method for calculating a motion vector field (MVF) in a reconstructed CT scan image, comprises: determining a region of interest (ROI) based on a vessel centreline in a first reconstructed CT scan image, wherein a motion vector field (MVF) for the ROI is to be calculated; determining at least two time control points for calculating the MVF; calculating a motion level factor of the ROI; calculating motion amounts of the MVF corresponding to each of the time control points; determining the direction of the MVF of the ROI; and calculating the MVF of the ROI according to the motion level factor, the motion amounts of the MVF corresponding to each of the time control points and the direction of the MVF.

Abstract: Automatically adjusting the trigger sensitivity of a respiratory therapy system includes detecting errors that indicate the trigger sensitivity should be increased, as well as detecting errors that indicate the trigger sensitivity should be reduced. Error detection may be based on the determined muscle pressure of a subject during an inhalation, an attempted inhalation, and/or a suspected attempt of an inhalation.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for processing a CT (Computed Tomography) image are provided. An example method includes accessing an original CT image that is reconstructed from a first set of raw data and includes windmill artifacts, generating a high-frequency image by processing the original CT image, generating a low-frequency image by processing a plurality of thick images reconstructed from a second set of raw data and combining the plurality of processed thick images, the second set of raw data including the first set of raw data and each of the plurality of thick images including substantially no windmill artifacts, generating an intermediate image by synthesizing the high-frequency image and the low-frequency image, and obtaining a target CT image based on the generated intermediate image.

Abstract: A video stream processing method and a video processing apparatus thereof are provided. The video stream processing method includes the following steps: obtaining a video stream, wherein the video stream is composed of a plurality of basic processing units; determining whether a size of the basic processing units is greater than a predetermined size; if the size of the basic processing units is greater than the predetermined size, determining whether each of the basic processing units has a coding-unit-splitting flag; splitting each of the basic processing units into a plurality of blocks according to the coding-unit-splitting flag or the type of each of the basic processing units, wherein a size of the blocks is equal to or less than the predetermined size; and, performing a video processing of the video stream according to the blocks.

Abstract: A CT pilot image acquisition method and a CT device are provided. The method may include: performing a helical scan on a predetermined area to be scanned, so as to obtain scanning data; reconstructing a tomographic image based on the scanning data; performing, at a predetermined positioning angle, a parallel beam projection on the tomographic image by using a virtual parallel X-ray beam, so as to obtain projection data; and re-binning a CT pilot image at the predetermined positioning angle based on the projection data. Parallel beam projection is adopted to process the tomographic image, to obtain a pilot image without geometric distortions. The obtained pilot image can reflect an anatomical structure of human body accurately.

Abstract: A transflective display apparatus and an operation method thereof are provided. The transflective display apparatus includes a transflective display panel and a backlight module. The transflective display panel includes a plurality of pixels. Each pixel includes a plurality of sub-pixels with different colors. Each sub-pixel includes a transparent area and a reflective area. The operation method includes: determining whether the transflective display apparatus is operated in a reflective mode or not; and driving, when the transflective display apparatus is determined being operated in the reflective mode, the transflective display panel by way of driving at least one of the plurality of sub-pixels in each pixel each time and turning off the backlight module, thereby facilitating the transflective display apparatus to display an image by using the reflective areas of the driven sub-pixels to reflect an ambient light of the transflective display apparatus.

Abstract: A method for calculating a motion vector field (MVF) in a reconstructed CT scan image, comprises: determining a region of interest (ROI) based on a vessel centreline in a first reconstructed CT scan image, wherein a motion vector field (MVF) for the ROI is to be calculated; determining at least two time control points for calculating the MVF; calculating a motion level factor of the ROI; calculating motion amounts of the MVF corresponding to each of the time control points; determining the direction of the MVF of the ROI; and calculating the MVF of the ROI according to the motion level factor, the motion amounts of the MVF corresponding to each of the time control points and the direction of the MVF.

Abstract: A method for reconstructing a CT scan image, comprising: performing a first scan to acquire a first projection data, wherein the first scan is a scan that a subject is covered by a low dose X-ray beam in an axial plane; performing a second scan to acquire a second projection data, wherein the second scan is a scan that a target portion of the subject is covered by a high dose X-ray beam in the axial plane; determining a data filling point in the second projection data, wherein the data filling point is located in a truncated region; and filling the data filling point in the second projection data with a data from the first projection data which corresponds to the data filling point; and reconstructing a second scan image based on the filled second projection data.

Abstract: A method and a device for providing reference information for a scan protocol are provided. The method includes: obtaining first basic information and a first pilot image of a patient to be scanned as index information; retrieving a second pilot image that matches the index information from a preset scan protocol database; and outputting a second pilot image, and a second reconstructed image and a second scan protocol in the preset scan protocol database which correspond to the second pilot image as reference information. If the second pilot image matches the index information, the physical condition of a scanned patient corresponding to the second pilot image is similar to that of the patient to be scanned, and the second pilot image, and the second reconstructed image and the second scan protocol in the preset scan protocol database which correspond to the second pilot image are outputted as reference information.

Abstract: A method includes: collecting projection data and recording electrocardiogram data when computed tomographic scanning is performed on a patient, selecting, from the projection data and based on the electrocardiogram data, first projection data related to each cardiac pixel in a same phase, and reconstructing, based on the first projection data, an image of the related cardiac pixel, to obtain a cardiac image; determining, based on the electrocardiogram data, a reconstruction phase of each reconstruction pixel in a first reconstruction region, where the first reconstruction region is an image region selected along the patient's head-to-foot direction from the cardiac image; and selecting, based on the reconstruction phase of each reconstruction pixel and from the projection data, second projection data related to the reconstruction pixel in the reconstruction phase, and reconstructing, based on the second projection data, an image of the reconstruction pixel.

Abstract: A transflective display apparatus and an operation method thereof are provided. The transflective display apparatus includes a transflective display panel and a backlight module. The transflective display panel includes a plurality of pixels. Each pixel includes a plurality of sub-pixels with different colors. Each sub-pixel includes a transparent area and a reflective area. The operation method includes: determining whether the transflective display apparatus is operated in a reflective mode or not; and driving, when the transflective display apparatus is determined being operated in the reflective mode, the transflective display panel by way of driving at least one of the plurality of sub-pixels in each pixel each time and turning off the backlight module, thereby facilitating the transflective display apparatus to display an image by using the reflective areas of the driven sub-pixels to reflect an ambient light of the transflective display apparatus.

Abstract: A method for managing a processor includes: obtaining an online request of a processor of a computer system; collecting lock contention information of the computer system if a lock contention status flag indicates a non-lock thrashing status; determining whether the computer system is in a lock thrashing status according to the lock contention information; and accepting the online request if it is determined that the computer system is in a non-lock thrashing status. By using the management method according to embodiments of the present application, processor performance degradation and a waste of idle processor resources that are caused by the case that the computer system is in a lock thrashing status are prevented, thereby improving utilization efficiency of processor resources and promoting overall performance of the computer system.