Abstract: Systems and methods for generating a video of a user-defined virtual reality scene are disclosed. Exemplary implementations may: obtain a scene definition; obtain camera information for multiple virtual cameras to be used in generating a two-dimensional presentation of the virtual reality scene; execute a simulation of the virtual reality scene from the scene definition for at least a portion of the scene duration; obtain camera timing instructions specifying which of the virtual cameras should be used to generate the two-dimensional presentation of the virtual reality scene as a function of progress through the scene duration; generate the two-dimensional presentation of the virtual reality scene in accordance with the camera timing instructions and the camera information.

Abstract: The present disclosure provides an image cutting method performed by a computer device. The method includes: determining an object frame in which an object in a first image belonging to a first type is located as a first target frame and determining an object frame in which an object in the first image belonging to a second type is located as an exclusion frame; determining a target area in the first image, the target area comprising the first target frame and not comprising the exclusion frame; and cutting the first image based on the target area to obtain a second image comprising the first target frame and not comprising the exclusion frame. Using the above method, apparatus, computer device, and storage medium, the image cutting effect and the image cutting speed can be improved.

Abstract: Systems and methods for generating a video of a user-defined virtual reality scene are disclosed. Exemplary implementations may: obtain a scene definition; obtain camera information for multiple virtual cameras to be used in generating a two-dimensional presentation of the virtual reality scene; execute a simulation of the virtual reality scene from the scene definition for at least a portion of the scene duration; obtain camera timing instructions specifying which of the virtual cameras should be used to generate the two-dimensional presentation of the virtual reality scene as a function of progress through the scene duration; generate the two-dimensional presentation of the virtual reality scene in accordance with the camera timing instructions and the camera information.

Abstract: An RISC-V-based 3D interconnected multi-core processor architecture and a working method thereof. The RISC-V-based 3D interconnected multi-core processor architecture includes a main control layer, a micro core array layer and an accelerator layer, wherein the main control layer includes a plurality of main cores which are RISC-V instruction set CPU cores, the micro core array layer includes a plurality of micro unit groups including a micro core, a data storage unit, an instruction storage unit and a linking controller, wherein the micro core is an RISC-V instruction set CPU core that executes partial functions of the main core; the accelerator layer is configured to optimize a running speed of space utilization for accelerators meeting specific requirements, wherein some main cores in the main control layer perform data interaction with the accelerator layer, the other main cores interact with the micro core array layer.

Abstract: An RISC-V-based 3D interconnected multi-core processor architecture and a working method thereof. The RISC-V-based 3D interconnected multi-core processor architecture includes a main control layer, a micro core array layer and an accelerator layer, wherein the main control layer includes a plurality of main cores which are RISC-V instruction set CPU cores, the micro core array layer includes a plurality of micro unit groups including a micro core, a data storage unit, an instruction storage unit and a linking controller, wherein the micro core is an RISC-V instruction set CPU core that executes partial functions of the main core; the accelerator layer is configured to optimize a running speed of space utilization for accelerators meeting specific requirements, wherein some main cores in the main control layer perform data interaction with the accelerator layer, the other main cores interact with the micro core array layer.

Abstract: This invention provides a fiber Bragg grating (FBG) monitoring device for dynamic disasters in coal mines. It includes a data acquisition device, which is used to collect the seismic wave signal in coal mines and reflect the possibility of the current coal and gas outburst hazard through the seismic wave signal described; a data processing device, which is used to process the collected data, eliminate the interferential signal and convert the effective signal into the measured physical quantity, and then send it to the display unit or save it; a real-time processor, which is used to achieve the acquisition and processing of real-time data; a display unit, which is used for the process of acquisition, storage, display and historical data query, and the display of residual capacity; a power supply unit, which is used to provide energy for the whole monitoring device.

Abstract: The invention declares a FBG (fiber Bragg grating) intelligent device and method for monitoring coal level in bunker. The device comprises a support device located above the bunker and detachably connected with a vibration device. The vibration device, with a surrounding reserved groove on its shell, extends into the bunker, and the groove is used for embedding FBG sensing device which is connected with FBG Network Demodulator. The Demodulator is electrically connected with a data processing system which is electrically connected with an alarm device, and the alarm device is connected with the belt conveyer. The invention relates to wavelength drifts of FGB, which has fast response and high precision, and can transmit signals to the display device first, providing good operating environment for the bunker.

Abstract: Systems and methods for generating a video of a user-defined virtual reality scene are disclosed. Exemplary implementations may: obtain a scene definition; obtain camera information for multiple virtual cameras to be used in generating a two-dimensional presentation of the virtual reality scene; execute a simulation of the virtual reality scene from the scene definition for at least a portion of the scene duration; obtain camera timing instructions specifying which of the virtual cameras should be used to generate the two-dimensional presentation of the virtual reality scene as a function of progress through the scene duration; generate the two-dimensional presentation of the virtual reality scene in accordance with the camera timing instructions and the camera information.

Abstract: A display panel and preparation method thereof are disclosed, the display panel including: a thin film transistor structure layer, an organic light-emitting diode (OLED) light-emitting layer including an anode, an encapsulation layer disposed on the OLED light-emitting layer, a color filter disposed on the encapsulation layer, wherein the color filter includes a plurality of color resist units and a black matrix around the color resist units, a planarization layer covering one side of the color filter away from the encapsulation layer, and an anti-reflection layer disposed on one side of the planarization layer away from the encapsulation layer.

Abstract: A display panel is provided. The display panel includes a thin film transistor array layer, a light-emitting device layer, and a light shielding layer disposed on a substrate in sequence. The light shielding layer is provided with openings corresponding to positions of light-emitting areas of the light-emitting device layer, an organic protective layer is disposed on the light shielding layer, and the openings of the light shielding layer are filled with the organic protective layer having a transparent material. The present disclosure, by removing conventional red, green, and blue color resists which cover the light-emitting areas of the display panel, solves a problem of reduced yield of a color filter functional layer in a plurality of wet etching processes.

Abstract: The present invention provides a display panel, a display device, and a manufacturing method of a display panel. A side wall of a black matrix unit is arranged at an inclined angle, so light is more easily emitted from a black matrix, and a light emission angle is increased. Accordingly, a light transmittance and a viewing angle of an organic light-emitting diode (OLED) are increased. Therefore, the display performance of the OLED is effectively improved.

Abstract: Systems and methods for generating a video of a user-defined virtual reality scene are disclosed. Exemplary implementations may: obtain a scene definition; obtain camera information for multiple virtual cameras to be used in generating a two-dimensional presentation of the virtual reality scene; execute a simulation of the virtual reality scene from the scene definition for at least a portion of the scene duration; obtain camera timing instructions specifying which of the virtual cameras should be used to generate the two-dimensional presentation of the virtual reality scene as a function of progress through the scene duration; generate the two-dimensional presentation of the virtual reality scene in accordance with the camera timing instructions and the camera information.

Abstract: The present invention provides a display panel, a display device, and a manufacturing method of the display panel. The display panel includes a source drain layer, a first planarization layer, a second planarization layer, an anode layer, a light emitting functional layer, and a cathode layer which are sequentially stacked from bottom to top. The second planarization layer includes a light shielding structure and a first groove formed by the light shielding structure. The anode layer completely covers the first groove and is extended to cover a portion of the second planarization layer. The light emitting functional layer is disposed on the anode layer in the first groove.

Abstract: This application relates to the technical field of battery packs, and a battery pack lower box body, a battery pack, an apparatus, and an assembly method of battery pack lower box body are provided. The battery pack lower box body includes a box frame, a base plate, a stiffening beam, and a stiffener. The base plate is arranged at the bottom of the box frame; the stiffening beam is arranged inside a space enclosed by the box frame and on top of the base plate; and the stiffening beam is fixed to the box fame via the stiffener, and the stiffener is welded to the box frame to form a weld seam, where a length of the weld seam is kept greater than a sum of side lengths of a projection of the stiffening beam onto the box frame.

Abstract: Systems and methods for generating a video of a user-defined virtual reality scene are disclosed. Exemplary implementations may: obtain a scene definition; obtain camera information for multiple virtual cameras to be used in generating a two-dimensional presentation of the virtual reality scene; execute a simulation of the virtual reality scene from the scene definition for at least a portion of the scene duration; obtain camera timing instructions specifying which of the virtual cameras should be used to generate the two-dimensional presentation of the virtual reality scene as a function of progress through the scene duration; generate the two-dimensional presentation of the virtual reality scene in accordance with the camera timing instructions and the camera information.

Abstract: The present disclosure discloses a regional gridding cumulative environmental risk evaluation system and method based on a risk field, and belongs to the fields of environmental sciences and environmental risks. The cumulative environmental risk evaluation system comprises a data acquisition unit, a data storage unit, an evaluation analysis unit, and a risk visualization unit. The evaluation method includes: establishing a cumulative environmental risk index evaluation model based on a cumulative environmental risk field intensity index, a cumulative environmental risk control mechanism index, and a cumulative environmental risk receptor index, evaluating a cumulative environmental risk through the established model, and determining a grade of the cumulative environmental risk of the evaluation region.

Abstract: The present invention provides a display panel and a manufacturing method of the display panel. The display panel includes a base substrate, a light emitting device layer, an encapsulation layer, and a color filter layer. The color filter layer includes multiple first light shielding portions, multiple color resists, and multiple second light shielding portions. An opening is formed between each two adjacent second light shielding portions and arranged corresponding to the pixel unit. The present invention increases an area for inkjet printing in a high-resolution small-sized display panel and reduces the reflectivity of the display panel to ambient light, and edges of the color filter layer less affect a light emitting device.