Abstract: Disclosed is an automatic depression detection method using audio-video, including: acquiring original data containing two modalities of long-term audio file and long-term video file from an audio-video file; dividing the long-term audio file into several audio segments, and meanwhile dividing the long-term video file into a plurality of video segments; inputting each audio segment/each video segment into an audio feature extraction network/a video feature extraction network to obtain in-depth audio features/in-depth video features; calculating the in-depth audio features and the in-depth video features by using multi-head attention mechanism so as to obtain attention audio features and attention video features; aggregating the attention audio features and the attention video features into audio-video features; and inputting the audio-video features into a decision network to predict a depression level of an individual in the audio-video file.

Abstract: A distributed fiber-optic acoustic sensing system and a signal processing method. The distributed fiber-optic acoustic sensing system is based on a high spatial resolution distributed fiber-optic acoustic sensor. The interval between adjacent sensing units is centimeter or millimeter level. Through specific digital signal processing, signal enhancement can be realized, noise in the system and environment are suppressed, at the same time, problems such as interference fading is solved, and the sensor signal-to-noise ratio of subunits can be increased by two to three orders of magnitude. Each subunit can serve as an independent high-sensitivity sensor for sensing. The multiple subunits can form one or more new sensor arrays. The azimuth estimation and spatial orientation of signal sources can be realized by the array signal processing method.

Abstract: A device for removing unwanted objects from cut tobacco in a cut tobacco production line is disclosed, which includes: a raw cut tobacco feeding and conveying unit (N1), a heavy unwanted object removal unit (N2), a cut tobacco dispersion and recovery unit (N3), a moderate unwanted object removal unit (N4), a cut tobacco humidification unit (N5) and a light unwanted object removal unit (N6). An unwanted object removal method using the cut tobacco unwanted object removal device is also disclosed. The device and method of the disclosure can effectively remove unwanted objects from cut tobacco.

Abstract: A thin safety door includes a baffle, a supporting frame and an elastic element. The baffle is provided with a front slope and a rear slope. The baffle is provided with a pair of sliders disposed side by side at a position between the front slope and rear slope of the baffle. A pair of slide ways are disposed on the left side and right side of the supporting frame. The baffle spans the supporting frame and the sliders are connected to the slide ways, so that the baffle can slide relative to the supporting frame. The elastic element abuts against the baffle, so that an elastic force is applied to the sliders of the baffle for returning to a higher position when located on the slide ways.

Abstract: A display module includes a substrate, m rows and n columns of pad sets, m*n sets of light emitting chip sets and multiple pins. The substrate includes a first surface and a second surface disposed opposite to each other. Each set of pad sets among the m rows and n columns of pad sets includes three pairs of pads, and first pads in the each set of pad sets are electrically connected. In a same set of light emitting chips, each of first electrodes of the light emitting chips is connected to a respective one of first pads of one set of pad sets among the m rows and n columns of pad sets, and each of second electrodes of the light emitting chips is connected to a respective one of second pads of a same set of pad sets.

Abstract: A shielding structure for a system-in-package includes a substrate having stacked first ground planes in the substrate, a second ground plane on a surface of the substrate, and a ground pad arranged along an edge of the substrate disposed on the second ground plane. In addition, ground holes disposed in the substrate electrically couple the adjacent ground planes. The ground holes are arranged in a ring around a board body and spacing between the adjacent ground holes is less than a specified distance in an arrangement that defines a Faraday cage. A device is disposed on the opposing surface of the substrate and a package layer is disposed on the device.

Abstract: Provided is a flange (100) connected to an end of an insulating tube (10), the flange includes a flange plate (110) abutting the end of the insulating tube, a groove (111) recessed toward inside of the insulating tube is disposed on the flange plate, the groove is connected to the insulating tube, an inflation valve (120) is disposed within the groove, the groove is filled with sealing material (130) which covers the inflation valve. Provided are also insulator and insulated support post using the flange. The flange, the insulator and insulated support post help to protect the inflation valve from external force and the groove is filled with the sealing material to ensure the sealing performance of the flange.

Abstract: Systems and methods are provided for automated classification of data using fingerprints. In embodiments, a method includes: generating, by a computing device based on predetermined rules, a fingerprint of a data column in a data set to be classified, the fingerprint comprising dimensions, wherein each of the dimension is assigned an attribute representing a characteristic of data in the data column; determining, by the computing device, that the fingerprint matches one or more target fingerprints by comparing the fingerprint to the target fingerprints, wherein each target fingerprint is associated with a class and includes dimensions, and each dimension is assigned an attribute representing a characteristic of data in the class; and assigning, by the computing device, one or more classes to the data column based on the one or more target fingerprints, thereby generating classified data.

Abstract: A LED display unit group includes a substrate and an electronic device, where the substrate includes a pad layer, an ink layer and an identification structure, the pad layer is disposed on a first surface of a side of the substrate adjacent to the electronic device; the pad layer includes pad regions and a non-pad region, each of the pad regions includes multiple pads, and the non-pad region includes metal traces; and the ink layer is disposed above the pad layer; each of the multiple pads is configured to secure the electronic device and is electrically connected to the electronic device; the metal traces are configured to connect the multiple pads via the metal traces; and an orthographic projection of the identification structure on the substrate is partially overlapped or staggered with an orthographic projection of the pad regions on the substrate.

Abstract: An earbud assembly includes a charging case and at least one wireless earbud suitable to be stowed in the charging case. The charging case includes a battery, a charger electrically connected to the battery, a sensor configured to detect the opening and closing operations of the charging case, a battery status indicator that has a first state when the battery of the charging case is in a normal working condition and a second state when the battery of the charging case is exhausted. The earbud includes a processor and a status detector for detecting the state of the battery status indicator when the earbud is stowed in the charging case. The processor of the earbud is configured to power off the earbud when the status detector detects that the battery status indicator is in the second state.

Abstract: An approach is provided that retrieves fingerprint configuration sets corresponding to a received data source and uses the configuration sets to generate fingerprints that correspond to the data source. These fingerprints are compared to a number of fingerprints that are stored in a repository. If a match is found, then the data quality configuration set is retrieved from the repository and used to perform a data quality analysis. On the other hand, if a match is not found, then one of the configuration sets is selected to perform the data quality analysis on the received data source and the repository is updated so that the selected fingerprint configuration set corresponds to the received data source.

Abstract: A computer-implemented method for correcting artifacts within CT images of a subject includes providing iteratively correcting a CT volumetric image with a high-contrast mask by overpainting the high-contrast mask within CT volumetric image set by evaluating a model function and updating the CT projections to reflect the overpainting using a gradient descent based on previous overpainted CT projections, back-projecting the corrected CT projections to produce a corrected volumetric image set, and comparing the corrected CT volumetric image set against a previous corrected CT volumetric image set until convergence. The original voxels overpainted by the high-contrast mask are re-inserted into the converged CT volumetric image to produce the final CT volumetric image set.

Abstract: Performing a mutual exclusion data class analysis is provided. A data class group of a plurality of data class groups that a matching data class is a member of is identified. The matching data class matches data in a plurality of rows of a column in a data asset. Data classes included in the data class group that the matching data class is a member of are identified. A mutual exclusion data class is filtered from the data class group to form a filtered data class group for the column. The filtered data class group is run against the column of the data asset decreasing processing time and resource utilization of a computer.

Abstract: A True Wireless System (TWS)headphone is provided, which comprises a charging case and one or two earbuds. The earbuds may be attached into the charging case by a two pogo pin connector. The earbuds can detect the different status of the battery in the charging case via the two pogo pin connector and can auto power on or off accordingly when taken out or put into the charging case.

Abstract: Systems and methods are provided for automated classification of data using fingerprints. In embodiments, a method includes: generating, by a computing device based on predetermined rules, a fingerprint of a data column in a data set to be classified, the fingerprint comprising dimensions, wherein each of the dimension is assigned an attribute representing a characteristic of data in the data column; determining, by the computing device, that the fingerprint matches one or more target fingerprints by comparing the fingerprint to the target fingerprints, wherein each target fingerprint is associated with a class and includes dimensions, and each dimension is assigned an attribute representing a characteristic of data in the class; and assigning, by the computing device, one or more classes to the data column based on the one or more target fingerprints, thereby generating classified data.

Abstract: Provided are a LED display unit group and a display panel. The LED display unit group includes a circuit board and pixel units. The circuit board includes N metal wiring layers stacked in sequence and an insulating plate disposed between adjacent metal wiring layers, and the N metal wiring layers are electrically connected through conductive vias on the insulating plate. The pixel units are arranged in an array of m rows and n columns and disposed on the circuit board. Each pixel unit includes at least two LED light-emitting chips with different emitted colors, each LED light-emitting chip is fixed on a first metal wiring layer. The first metal wiring layer includes m common A-electrode pads, A-electrode pads, and B-electrode pads. All the A-electrode pads corresponding to each row of pixel units are integrally formed with and electrically connected to one corresponding common A-electrode pad.

Abstract: Provided are an LED display module and a display device. The LED display module includes LED display units and a circuit board. Each LED display unit includes pixel units. Each pixel unit includes LED light-emitting chips. A surface of the circuit board is provided with a circuit layer. The circuit layer includes first wirings and second wirings that do not cross each other. A-electrodes of LED light-emitting chips in an i-th row of pixel units in a current LED display unit and in an i-th row of pixel units in a subsequent LED display unit are electrically connected by one first wiring. B-electrodes of LED light-emitting chips of a same color in a j-th column of pixel units in a current LED display unit and in a j-th column of pixel units in a subsequent LED display unit are electrically connected by one second wiring.

Abstract: Provided is an isolated CTLA4 monoclonal antibody. The antibody can highly-specifically bind to CTLA4, and can effectively block the binding of CTLA4 to B7, reduce the activity or expression level of CTLA4, relieve the inhibition of CTLA4 on the immune function of an organism, activate T lymphocytes, and effectively treat tumors and immune system diseases. Also provided are a monoclonal antibody conjugate comprising the pharmaceutical composition and diagnostic composition of the antibody, and the use thereof in the preparation of a drug for preventing and/or treating and/or treating in combination tumors and immune system diseases.

Abstract: A position adjustment apparatus for adjusting a position of a detection device, and a magnetocardiography instrument are provided. The position adjustment apparatus includes: two support assemblies, a lifting frame, and at least one height adjustment assembly. The position adjustment apparatus of the present disclosure enables free control over the height of the lifting frame by providing support rods and the height adjustment assembly comprising a pulley block.

Abstract: Provided is a light-emitting diode (LED) display assembly. The LED display assembly includes a plurality of chips, a first carrier and a second carrier. Two opposite side surfaces of the first carrier are respectively a first mounting surface and a second mounting surface. The first mounting surface is provided with first pads, and the first pads are connected to the chips. The second mounting surface is provided with first pins, and wires in the first carrier connect the first pads to the first pins. An area of each of the first pins is larger than an area of each of the first pads. The second carrier is provided with a third mounting surface, the third mounting surface is provided with second pads whose number is the same as a number of the first pins, and the second pads are welded to the first pins in one-to-one correspondence.