Abstract: Methods and systems for delivering a liquid sample to an ion source for the generation of ions and subsequent analysis by mass spectrometry are provided herein. In accordance with various aspects of the present teachings, MS-based systems and methods are provided in which the flow of desorption solvent within a sampling probe fluidly coupled to an ion source can be selectively controlled such that one or more analyte species can be desorbed from a sample substrate inserted within the sampling probe within a decreased volume of desorption solvent for subsequently delivery to the ion source. In various aspects, sensitivity can be increased due to higher desorption efficiency (e.g., due to increased desorption time) and/or decreased dilution of the desorbed analytes.

Abstract: A pose estimation method and an apparatus are provided, to obtain a more accurate pose estimation result. The method includes: obtaining a first event image and a first target image, where the first event image is aligned with the first target image in time sequence, the first target image includes an RGB image or a depth image, and the first event image includes an image indicating a movement trajectory that is of a target object and that is generated when the target object moves in a detection range of a motion sensor; determining integration time of the first event image; if the integration time is less than a first threshold, determining that the first target image is not for performing pose estimation; and performing pose estimation based on the first event image.

Abstract: Various embodiments of the present disclosure are directed towards a method for forming a memory cell. In some embodiments, a memory film is deposited over a substrate and comprises a bottom electrode layer, a top electrode layer, and a data storage film between the top and bottom electrode layers. A hard mask film is deposited over the memory film and comprises a conductive hard mask layer. The top electrode layer and the hard mask film are patterned to respectively form a top electrode and a hard mask over the top electrode. A trimming process is performed to decrease a sidewall angle between a sidewall of the hard mask and a bottom surface of the hard mask. An etch is performed into the data storage film with the hard mask in place after the trimming process to form a data storage structure underlying the top electrode.

Abstract: In some embodiments, the present disclosure relates to a method for forming an image sensor and associated device structure. A backside deep trench isolation (BDTI) structure is formed in a substrate separating a plurality of pixel regions. The BDTI structure encloses a plurality of photodiodes and comprising a first BDTI component arranged at a crossroad of the plurality of pixel regions and a second BDTI component arranged at remaining peripheries of the plurality of pixel regions. The first BDTI component has a first depth from a backside of the substrate smaller than a second depth of the second BDTI component.

Abstract: MS-based methods and systems are provided herein in which a desorption solvent desorbs one or more analyte species from an SPME device within a sampling interface that is fluidly coupled to an ion source for subsequent mass spectrometric analysis. In accordance with various aspects of the applicants teachings, the sampling interface includes an internal sampling conduit that provides increased interaction between the desorption solvent and the sampling substrate, thereby improving mass transfer (e.g., increased extraction or desorption speed).

Abstract: A negative pressure massage apparatus includes a vacuum pump, two solenoid valves and a control board. The vacuum pump is used to generate a negative pressure outside the negative pressure massage apparatus. Two solenoid valves are used to control a gas flow input into the negative pressure massage apparatus. The control board is used to activate or stop at least one of the vacuum pumps, and the two solenoid valves. The present disclosure further includes a method of using the negative pressure massage apparatus.

Abstract: The present disclosure provides a semiconductor structure. The semiconductor structure includes a memory region, the memory region includes a first metal line, a magnetic tunneling junction (MTJ) over the first metal line, a cap, wherein at least a portion of the cap is above the MTJ, a first stop layer above the cap, and a first metal via being disposed over the MTJ and in direct contact with the first stop layer, and a logic region adjacent to the memory region, the logic region includes a second metal line, a third metal line over the second metal line, a second stop layer being disposed over the third metal line, and a second metal via over the third metal line.

Abstract: A heartbeat classification method for multi-tag ECG signal labeling includes acquiring a heartbeat time sequence, and performing data segmentation on the heartbeat time sequence to obtain multiple data segments; inputting the data segments into a trained multi-tag classification model, the multi-tag classification model including a feature extraction module, a fully connected layer and a Sigmoid activation function layer; performing feature extraction on the input data segments to obtain high-dimensional embedded information, including heartbeat class information corresponding to each of the data segments; sending the high-dimensional embedded information into the fully connected layer, and outputting a one-dimensional vector including a number of heartbeat classes of the data segments; inputting the one-dimensional vector into the Sigmoid activation function layer, and outputting probability values for the number of each of the heartbeat classes; and outputting a heartbeat class having a probability value ex

Abstract: An image rendering method and a related device thereof are disclosed. The method includes: performing ray tracing based on rendering information of a reflecting object, and storing an obtained image of a reflection in the reflecting object in a first frame buffer, where the first frame buffer is used for storing an image that does not need to be displayed temporarily; performing rasterization separately based on the rendering information of the reflecting object and rendering information of a reflected object, and storing an obtained image of the reflecting object and an obtained image of the reflected object in a second frame buffer, where the second frame buffer is used for storing an image to be displayed; and obtaining, from the first frame buffer, the image of the reflection in the reflecting object, and storing the image of the reflection in the reflecting object in the second frame buffer.

Abstract: A computer-implemented method for controlling the operation of at least one robotic system, the method comprising: receiving state information from at least one robotic system in an environment, the state information created by the at least one robotic system; processing the state information to generate a virtual robotic system model of at least part of the at least one robotic system in the environment; causing a visualisation of the virtual robotic system model to be displayed to at least one user; receiving a user instruction for performing an operation while the visualisation is being displayed to the at least one user; and issuing a command based on the received user instruction to the at least one robotic system to cause the at least one robotic system to perform the operation.

Abstract: A memory device includes a bottom electrode, a magnetic tunnel junction (MTJ) structure, an inner spacer, and an outer spacer. The MTJ structure is over the bottom electrode. The bottom electrode has a top surface extending past opposite sidewalls of the MTJ structure. The inner spacer contacts the top surface of the bottom electrode and one of the opposite sidewalls of the MTJ structure. The outer spacer contacts an outer sidewall of the inner spacer. The outer spacer protrudes from a top surface of the inner spacer by a step height.

Abstract: A method of tumor detection and segmentation accepts a first Whole Slide Image (WSI) having a first resolution; creates a corresponding second WSI having a second resolution lower than the first resolution; applies an adaptive thresholding technique to the second WSI to create a background removal mask background; applies the mask to the first WSI to provide a third WSI with extracted patches, characterized by a third resolution, greater than the second resolution and lower than the first resolution; uses a first machine learning system on the third WSI to create a heat map at the third resolution, indicating a subset of the patches likely to include one or more clusters of tumor cells; and uses a second machine learning system on the first WSI and the heat map to segment each patch in a corresponding output image at the first resolution, outlining one or more corresponding clusters.

Abstract: A crossbow includes a body having a grip and a connection end respectively formed to two ends of the body. A connection part is formed to the connection end and includes a clamping portion and a top portion. The top portion includes a guide face firmed to the top thereof. A bow unit includes a bow and a block which is formed to middle portion of the bow. A string is connected between two ends of the bow. The block is detachably connected to the clamping portion to transversely position the string above the guide face. A magazine includes a mounting member located corresponding to the clamping portion. The magazine is detachably connected to the body to form a room between the guide face and the magazine for movement of the string. The magazine is secured to the body by the mounting member.

Abstract: A system and method for accelerated anomaly detection and replacement of an anomaly-experiencing machine learning-based ensemble includes identifying a machine learning-based digital threat scoring ensemble having an anomalous drift behavior in digital threat score inferences computed by the machine learning-based digital threat scoring ensemble for a target period; executing a tiered anomaly evaluation for the machine learning-based digital threat scoring ensemble that includes identifying at least one errant machine learning-based model of the machine learning-based digital threat scoring ensemble contributing to the anomalous drift behavior, and identifying at least one errant feature variable of the at least one machine learning-based model contributing to the anomalous drift behavior; generating a successor machine learning-based digital threat scoring ensemble to the machine learning-based digital threat scoring ensemble based on the tiered anomaly evaluation; and replacing the machine learning-based di

Abstract: The present disclosure provides a semiconductor structure, including an Nth metal layer, a bottom electrode over the Nth metal layer, a magnetic tunneling junction (MTJ) over the bottom electrode, a top electrode over the MTJ, and an (N+M)th metal layer over the Nth metal layer. N and M are positive integers. The (N+M)th metal layer surrounds a portion of a sidewall of the top electrode. A manufacturing method of forming the semiconductor structure is also provided.

Abstract: An ECG information processing method and ECG workstation, wherein the method comprises: the ECG workstation receives the ECG data output by an ECG device, the ECG data includes ID of the measured object and the detection time information; perform ECG data analysis on the ECG data to generate report data; receive a report data query input by the user, query corresponding report data according to the user ID of the user, and generate report data query result list data; acquire the selected report data according to the selection instruction, determine output mode information and output format information according to the report output, and, selectively output report conclusion data, report entry data, and/or the partial data or all the data in the report graphic data, and convert the partial data or all the data in data format according to the output format information, to generate report output data.

Abstract: This application discloses an image processing method. The method includes: obtaining to-be-rendered data; performing rasterization processing on the to-be-rendered data to obtain a first image; and identifying a target object in the first image by using an identifier, and performing ray tracing processing on the target object to obtain a second image. Because ray tracing processing is performed on a local object in an image, computing power requirement for image rendering is reduced, so that an electronic device with limited computing power can also implement image rendering by using the ray tracing processing, to improve image rendering effect.

Abstract: A machine learning-based method for accelerating a generation of automated fraud or abuse detection workflows in a digital threat mitigation platform includes identifying a plurality of distinct digital event features indicative of digital fraud; automatically deriving a plurality of distinct digital event decisioning criteria based on the plurality of distinct digital event features and a digital event data corpus associated with a target subscriber; automatically constructing a probationary automated fraud or abuse detection workflow based on the plurality of distinct digital event decisioning criteria, and deploying the probationary automated fraud or abuse detection workflow to a target digital fraud prevention environment associated with the target subscriber.

Abstract: A programmable logic controller (PLC) testing system includes a virtual device simulating a field real device, a testing tool configured to start a preset test case to inject a fault into the virtual device, and a PLC device configured to execute a preset fault processing logic in response to receiving a fault signal produced by the virtual device simulating a field fault according to the injected fault. The preset fault processing logic includes sending alarm information to the virtual device. The testing tool is further configured to detect whether the alarm information forwarded by the virtual device meets expectation of injecting the fault by the preset test case to test whether the fault processing logic of the PLC device is normal.

Abstract: Various embodiments of the present disclosure are directed towards a method for forming a memory cell. In some embodiments, a memory film is deposited over a substrate and comprises a bottom electrode layer, a top electrode layer, and a data storage film between the top and bottom electrode layers. A hard mask film is deposited over the memory film and comprises a conductive hard mask layer. The top electrode layer and the hard mask film are patterned to respectively form a top electrode and a hard mask over the top electrode. A trimming process is performed to decrease a sidewall angle between a sidewall of the hard mask and a bottom surface of the hard mask. An etch is performed into the data storage film with the hard mask in place after the trimming process to form a data storage structure underlying the top electrode.