Abstract: The present application discloses a method for preparing a TEM sample, comprising: step 1, forming a first protective layer to non-full fill a deep trench; step 2, performing a first time of front and rear side cutting using a FIB, so as to form the TEM sample having a first thickness, and a via in the deep trench is exposed from the front side and the rear side of the TEM sample; step 3, forming a second material layer, which fully fills the exposed via from the front side and the rear side of the TEM sample; and step 4, performing a second time of front and rear side cutting of a target area on the chip sample using the FIB, so as to reduce the thickness of the TEM sample to a target thickness.

Abstract: A method of failure analysis for locating open circuit defect in a metal layers, comprising: providing a chip sample having a metal layer, with an open circuit defect; delaminating the chip to expose the metal layer; depositing a metal conductive layer on the metal layer; removing a portion of the metal conductive layer to expose the metal layer; depositing a non-conductive protective layer to cover the exposed metal layer and any remaining portions of the metal conductive layer; preparing a TEM slice sample which comprises the metal layer, the remaining portions of the metal conductive layer, and the non-conductive protective layer; performing a VC analysis on the TEM slice sample to determine the defect position of the open circuit defect; and analyzing the defect position of the open circuit defect.

Abstract: The present application discloses a method for preparing a TEM sample, comprising: step 1, step 1, providing a chip sample having a metal protective layer formed on a first surface; step 2, fixing the chip sample on a sample table of a FIB system; step 3, performing the first time of FIB cutting on the metal protective layer along a first direction, so as to form a groove, wherein the first direction is the width direction of the TEM sample, and the inner side surface of the groove is arc-shaped so that the thickness of the metal protective layer in a groove area gradually changes; and step 4, performing the second time of FIB cutting along a third direction to thin the chip sample and form the TEM sample, wherein the third direction is a direction from the metal protective layer to the chip sample.

Abstract: An air conditioner includes a controlled device, a frequency converter, and a controller. The controller is configured to: determine a present operating frequency of the controlled device, and a present output current and a present input power of the frequency converter; determine a present efficiency of the frequency converter according to the present operating frequency of the controlled device and the present output current of the frequency converter; and determine a present input power of the frequency converter according to the present efficiency of the frequency converter and the present output power of the frequency converter.

Abstract: Illustrative embodiments include a method, an electronic device, and a computer program product for video processing. In the method, a first group of image frames in a first video having a first resolution is converted into a second group of image frames having a second resolution, the first resolution being higher than the second resolution; a second video having the second resolution is generated based on the second group of image frames; conversion parameters for the second video are determined based on the first group of image frames and the second group of image frames, the conversion parameters being used to convert an image frame in the second group of image frames into an image frame having a third resolution, and the third resolution being higher than the second resolution; and the conversion parameters and the second video are sent to a requester of the first video.

Abstract: Implementations described herein relate to methods, systems, and computer-readable media to render a foreground video. In some implementations, a method includes receiving a plurality of video frames that include depth data and color data. The method further includes downsampling the frames of the video. The method further includes, for each frame, generating an initial segmentation mask that categorizes each pixel of the frame as foreground pixel or background pixel. The method further includes determining a trimap that classifies each pixel of the frame as known background, known foreground, or unknown. The method further includes, for each pixel that is classified as unknown, calculating and storing a weight in a weight map. The method further includes performing fine segmentation to obtain a binary mask for each frame. The method further includes upsampling the plurality of frames based on the binary mask for each frame to obtain a foreground video.

Abstract: A method for generating microfractures in low carbonate mineral content shale reservoirs in which sulfate acid or persulfate compound (such as ammonium persulfate ((NH4)2S2O8)) injected into conventional fracturing fluid can react with shale carbonate components resulting in the precipitation reaction of gypsum crystal (CaSO4·2H2O) to occur.

Abstract: A distributed processing system for processing an elevator call, a method for processing an elevator call using the distributed processing system, and a computer readable storage medium on which a computer program for realizing an elevator call generation method is stored. A distributed processing system for processing an elevator call includes a plurality of wireless communication modules deployed in an elevator service area, each of the wireless communication modules is associated with one or more call units and configured to: perform a call assignment operation in response to an elevator call from a terminal device specifying it as a target wireless communication module; and return a message about call assignment to the terminal device.

Abstract: A method in an illustrative embodiment includes dividing a first image having a first resolution into a plurality of image patches, and converting each of the plurality of image patches into an image patch having a second resolution by using a plurality of candidate conversion models, the second resolution being higher than the first resolution. The method may include determining a plurality of quality factors corresponding to the plurality of candidate conversion models for each of the converted image patches. The method may include selecting a conversion model for each image patch from the plurality of candidate conversion models based on the plurality of quality factors and computation load factors of the plurality of candidate conversion models, and generating metadata for converting the first image into a second image having the second resolution based on position information of each image patch and the conversion model selected for each image patch.

Abstract: The present disclosure relates to a method, a device, and a program product for training a model. The method includes: receiving at least one unlabeled sample and at least one labeled sample for training a pre-training model, the pre-training model being used to extract features of the samples; creating an undirected graph associated with the pre-training model using the at least one unlabeled sample and a set of training samples associated with the pre-training model; dividing the undirected graph to form a plurality of sub-graphs based on corresponding features of the unlabeled sample and the set of training samples, the plurality of sub-graphs corresponding to a plurality of classifications of the samples, respectively; and training, based on the plurality of sub-graphs and the at least one labeled sample, the pre-training model to generate a training model. A corresponding device and a corresponding computer program product are provided.

Abstract: Embodiments of the present disclosure relate to a computer-implemented method, device, and computer program product. The method includes: determining, based on a set of user behavior data over a first time period, a set of behavioral features for a user behavior over the first time period. The method further includes: determining, based on the set of behavioral features, a set of anomaly scores for the user behavior according to an anomaly detection model. The anomaly detection model is trained based on user behavior data over a second time period. The method further includes: updating a previously determined anomaly score threshold based on comparison of the determined set of anomaly scores with the anomaly score threshold. The anomaly score threshold is used for indicating whether the user behavior is anomalous. By continuously updating the anomaly score threshold, the solution uses the updated anomaly score threshold for anomaly detection of user behavior.

Abstract: A molding die includes a first mold assembly, a second mold assembly, and a mold core. The first and second mold assemblies are adapted to be clamped together. The mold core defines a molding groove. The molding core is pressed between the first and second mold assemblies to form a molding cavity. The second mold assembly includes a light transmitting area corresponding to the molding cavity, so that the molding cavity will receive incident light through the light transmitting area. In the molding die, the first mold assembly, the second mold assembly, and the mold core cooperate to form the molding cavity, adhesive is injected into the molding cavity, and the molding cavity receives incident light through the light transmitting area, so that curing efficiency of the adhesive is improved, production efficiency is high, shape of molded adhesive is uniform, and product quality is improved.

Abstract: Embodiments of the present disclosure relate to a method, an electronic device, and a computer program product for processing an image. The method includes acquiring an image about an augmented reality scene. The method further includes determining a target image part corresponding to a target object from the image. The method further includes using a machine learning model to augment information about the target object in the target image part to obtain an augmented target image part. The method further includes displaying the augmented target image part. Through the method, augmentation of an augmented reality image may be quickly achieved, the image quality is improved, the use of hardware resources is reduced, and user experience is improved.

Abstract: Disclosed herein are flexible plasma applicators based on fibrous layers that are capable of rapidly sanitizing a surface via either direct or indirect contact with said surface.

Abstract: An embodiment provides a method for treating a body fluid of a patient with Covid-19, including: removing the body fluid from a patient; applying a treatment to the body fluid, wherein the treatment comprises an antibody that joins with a virion in the body fluid to form an antibody-virion complex, wherein the antibody comprises a tag sensitive to an illumination; removing the antibody-virion complex from the body fluid using an illumination source; and returning the body fluid to the patient. Other aspects are described and claimed.