Abstract: Embodiments of the present application provide a processing method for an image recognition model and a related product. The processing method for the image recognition model includes: obtaining an image sample; determining a target object positioning box of the image sample, where the target object positioning box covers an area where an effective feature of the image sample is located; adjusting a pixel value of at least one pixel within the target object positioning box to obtain a preprocessed image sample; and training a network model based on the preprocessed image sample to obtain the image recognition model. The present application improves the concentration of the effective feature in the sample image and thus improves the regularization effect and reduces overfitting of the network model.

Abstract: Embodiments of the present application provide a data processing method and apparatus, an electronic device, and a storage medium. The data processing method, applied to a first participating node, includes: encrypting plaintext service data based on an encryption key array to obtain a ciphertext data set, where the ciphertext data set includes ciphertext service data, and different participating member nodes use a same encryption key array; sending the ciphertext data set to a central node; and acquiring a data comparison result generated by the central node, where the data comparison result is obtained by performing data comparison based on ciphertext service data in ciphertext data sets of the participating member nodes.

Abstract: Three-dimensional (3D) semiconductor devices and fabricating methods are disclosed. The semiconductor device includes an array of vertical transistors. Each vertical transistor includes a semiconductor body extending in a vertical direction, and an all-around gate structure laterally surrounding the semiconductor body. Each row of the vertical transistors in a first lateral direction share a common word line extending in the first lateral direction and comprising the all-around gate structures of the row of the vertical transistors. Adjacent rows of the vertical transistors are misaligned along a second lateral direction perpendicular with the first lateral direction. The array of vertical transistors are aligned along a third lateral direction different from the first lateral direction and the second lateral direction.

Abstract: The present application discloses a label generation method including identifying an unlabeled image by a teacher model and a student model respectively to obtain first classification reference information of the teacher model and second classification reference information of the student model. A first number of detection objects of each category in the teacher model is determined according to the first classification reference information, and a second number of detection objects of each category in student model is determined according to the second classification reference information. Once a probability threshold of each category is determined according to the first number of detection objects and the second number of detection objects, a pseudo label of the unlabeled image is generated for the student model according to the first classification reference information and a probability threshold of each predicted category.

Abstract: A method for sentiment analysis includes that: a feature sequence corresponding to text is obtained, the feature sequence includes encoded features; each encoded feature in the feature sequence is processed by using an attention mechanism, to obtain an attention feature of the text; the attention feature is transferred to a spatial transform feature of the text; an entity attribute of the spatial transform feature is recognized, and sentiment mapping is performed based on the spatial transform feature to obtain a sentiment polarity of the entity attribute.

Abstract: Three-dimensional (3D) semiconductor devices and fabricating methods are provided. In some implementations, a 3D semiconductor device includes: an array of vertical transistors each comprising a semiconductor body extending in a vertical direction; a plurality of word lines each extending in a first lateral direction, wherein each word line is shared by a row of the vertical transistors arranged along the first lateral direction; and a plurality of bit lines each extending in a second lateral direction perpendicular to the first lateral direction; wherein the semiconductor bodies are further arranged along a third lateral direction different from the first lateral direction and the second lateral direction.

Abstract: The application provides a method and an apparatus for measuring speech-image synchronicity, and a method and an apparatus for training a model, where the method for measuring speech-image synchronicity includes: acquiring a speech segment and an image segment of a video, where there is a correspondence between the speech segment and the image segment in the video; processing the speech segment and the image segment to obtain a speech feature of the speech segment and a visual feature of the image segment; and determining, according to the speech feature of the speech segment and the visual feature of the speech segment, whether there is synchronicity between the speech segment and the image segment, where the synchronicity is used for characterizing matching between a sound in the speech segment and a movement of a target character in the image segment.

Abstract: Provided are a method and apparatus for calibrating an installation error in a pitch angle of a traffic radar, and a storage medium. The method includes changing the frequency of a traffic radar according to a preset strategy within a preset frequency range; acquiring energy values of echo signals of a preset target at different frequencies in sequence; and in response to determining that the acquired energy values of the echo signals satisfy a preset condition, determining the frequency corresponding to the maximum echo signal energy value as the operating frequency of the traffic radar to calibrate the installation error in the pitch angle of the traffic radar. The preset target is disposed on the ground.

Abstract: Three-dimensional (3D) semiconductor devices and fabricating methods are provided. In some implementations, a 3D semiconductor device includes: an array of vertical transistors each comprising a semiconductor body extending in a vertical direction; a plurality of word lines each extending in a first lateral direction, wherein each word line is shared by a row of the vertical transistors arranged along the first lateral direction; and a plurality of bit lines each extending in a second lateral direction perpendicular to the first lateral direction; wherein the semiconductor bodies are further arranged along a third lateral direction different from the first lateral direction and the second lateral direction.

Abstract: In certain aspects, a memory device includes an array of memory cells, and a plurality of peripheral circuits coupled to the array of memory cells and configured to control the array of memory cells. A first peripheral circuit of the plurality of peripheral circuits includes a first three-dimensional (3D) transistor. The first 3D transistor includes a 3D semiconductor body, and a gate structure in contact with a plurality of sides of the 3D semiconductor body. The gate structure includes a gate dielectric and a gate electrode. The gate electrode includes a metal. The gate dielectric has a thickness between 1.8 nm and 10 nm.

Abstract: The embodiment of the present application provides an information processing method, a device, a computer device, and a storage medium. The embodiment of the present application obtains a target video, each frame of the target video including a face image corresponding to a same object; inputting the face image of each frame into a first target preset backbone model, and outputting a first target image feature; inputting the first target image feature into a first target preset network model, and correspondingly outputting a first target expression coefficients. By decoupling the first target expression coefficient from non-expression coefficient, an accuracy of the expression coefficient that is extracted is greatly improved.

Abstract: An information processing method is provided. The method includes obtaining a target video. A first target image feature corresponding to a face image of each frame is obtained. A target identity coefficient and a target texture coefficient corresponding to the target image feature in the face image of a different frame in the target video are obtained. A first target identity feature is obtained according to the target identity coefficient, and a first target texture feature is obtained according to the target texture coefficient. Once a first target feature is obtained by splicing the target image feature, the first target identity feature and the first target texture feature, a first target expression coefficient is obtained based on the first target feature.

Abstract: A semiconductor device and a corresponding fabricating method are provided. The semiconductor device includes a substrate and an active area in the substrate. The semiconductor device further includes at least one isolation structure positioned between two adjacent transistors. Each isolation structure includes a conductive core, and a dielectric layer surrounding the conductive core and positioned between the conductive core and an adjacent transistor.

Abstract: Disclosed is a high-intensity magnetic tool extension rod. The high-intensity magnetic tool extension rod comprises an extension rod, magnets and magnetic conduction structures. The magnets are symmetrically distributed on a lateral part of the extension rod with an axis center of the extension rod as a center. The magnetic conduction structures are arranged on an axial side of the magnet. The magnetic conduction structures comprise a front magnetic conduction structure and a rear magnetic conduction structure which are respectively arranged on both sides of the magnet. The front magnetic conduction structure is arranged at an adapted tool head connecting end of the extension rod, and the rear magnetic conduction structure is arranged at a receiving tool-driven connecting end of the extension rod.

Abstract: Genetically engineered immune cells (e.g., T cells or NK cells) expressing anti-BCMA, anti-TACI, or anti-BCMA/anti-TACI chimeric antigen receptors and uses thereof in cancer therapy. In some embodiments, the genetically engineered immune cells may be armored CAR-T or CAR-NK cells, which further express an armor polypeptide for enhancing CAR-T or CAR-NK cell features.

Abstract: Embodiments of this application provide a method for annotating video data performed by a computer device. The method includes: displaying target video data in a video application; displaying annotated media data in the video application in response to a trigger operation performed on a progress time point annotation function in the video application, the annotated media data being media data associated with a current progress time point, the current progress time point being a progress time point corresponding to the trigger operation to which the target video data is played; and sharing the annotated media data with another user in response to a confirmation operation performed on the annotated media data, the annotated media data enabling the second user to perform a progress jump on the target video data based on the current progress time point. Through this application, efficiency of video progress positioning can be improved.

Abstract: The invention provides an integrated intelligent welding platform and a welding method. The welding platform includes a stretching unit, a welding unit, and a control unit. The stretching unit includes a flatness monitoring component and a stretching component. The stretching component is configured to receive a stretching control signal and apply a stretching force to a flexible electronic skin. The welding unit includes a welding monitoring component and a lifting component. The welding monitoring component is configured to obtain welding information, and the lifting component is configured to receive a welding control signal and apply a compression force to the flexible electronic skin. The control unit includes a first and second control components. The first control component is configured to receive the flatness information and transmit the stretching control signal. The second control component is configured to receive the welding information and transmit the welding control signal.

Abstract: A series of 1H-pyrrolo[2,3-c]pyridine compounds and an application thereof are provided. The compounds include those represented by formula (P) and a pharmaceutically acceptable salt thereof.

Abstract: Provided herein are methods compositions and methods to generate pMHC libraries, and methods of using the pMHC libraries to determine the sequences of T cell receptors, and T cell developmental and activation status.

Abstract: A twist drill with long life and easy cutting, is provided with a vertical discharge chute on a major cutting edge. The cutting part of the twist drill comprises a major cutting edge, a side cutting edge, discharge chutes and a back chute ridge, the left side of the major cutting edge is provided with the side cutting edge, the discharge chutes comprise a vertical discharge chute and a horizontal discharge chute, the vertical discharge chute is arranged on the major cutting edge, the horizontal discharge chute is arranged on the side cutting edge, the horizontal discharge chute and the vertical discharge chute are interconnected, the fluting angle of the vertical discharge chute is perpendicular to the edge of the back chute ridge, and a horizontal discharge chute is added on the side of the major cutting edge, which is originally provided with a discharge chute at the drill tip.