Abstract: This application provides a tone mapping method and apparatus for a panoramic image. The tone mapping method includes: determining one or more target metadata information units of a first pixel from a plurality of metadata information units, where the plurality of metadata information units are obtained by parsing a bitstream, the first pixel is any pixel in a to-be-processed panoramic video two-dimensional planar projection, the plurality of metadata information units correspond to a plurality of segmented regions included in a panoramic video three-dimensional spherical representation panoramic image, and there is a mapping relationship between the panoramic video two-dimensional planar projection and the panoramic video three-dimensional spherical representation panoramic image; and performing tone mapping on a pixel value of the first pixel based on the one or more target metadata information units, to obtain a target tone mapping value of the first pixel.

Abstract: This invention discloses a pneumatic and cable-driven hybrid artificial muscle, comprising pneumatic actuator, pneumatic pressure regulating assembly, and cable drive assembly. The pneumatic pressure regulating assembly is connected to the pneumatic actuator to regulate air pressure in the pneumatic actuator for controlling the pneumatic actuator to extend or contract. The cable actuation assembly comprises a cable fixedly connected to the pneumatic actuator for controlling the pneumatic actuator to contract. In this invention, the artificial muscle employs a dual pneumatic and cable actuation mechanism. By leveraging the inherent stiffness of the pneumatic actuator, it can provide substantial actuation force for joint movement. Simultaneously, the cable actuation assembly can provide significant pulling force, effectively ensuring safety in human-machine interaction and offering sufficient bidirectional aiding force to individuals with disabilities who use the artificial muscle as an aiding actuation device.

Abstract: Aspects of the disclosure are directed to a method for use on a blockchain network that includes an accounting node subnetwork having accounting nodes configured to record a data block onto a blockchain and a service node having service nodes configured to verify data blocks recorded by the accounting nodes onto the blockchain. The method can include generating a signature based on transaction information to be included in a data block to be added onto the blockchain by using a key specific to the accounting node. The method can further include adding the transaction information and the generated signature to the data block and adding the data block onto the blockchain, and transmitting the signature to the service nodes in the service node subnetwork, so that the service nodes perform signature verification on the signature based on the key specific to the accounting node.

Abstract: This application provides a two-speed transmission system. The two-speed transmission system includes a first fixed gear fastened on a first shaft, a first floating gear connected to a second shaft through rotation, a first connection mechanism, and a one-way clutch. The first connection mechanism is configured to implement connection or disconnection between the first floating gear and the second shaft. The one-way clutch is located between the first floating gear and the first connection mechanism. An inner surface of the one-way clutch is connected to the first floating gear. An outer surface of the one-way clutch abuts against the first connection mechanism. The outer surface of the one-way clutch is connected to the first connection mechanism. An acting force of the outer surface directly acts on the first connection mechanism instead of a tooth surface of the first floating gear, to reduce an impact on accuracy of gear transmission.

Abstract: This application provide a data management method for a blockchain system, a medium, and an electronic device. The system includes an accounting node sub-network and a service node sub-network. The method includes: adding, after an accounting node generates a first data block, first key information used for verifying a block header of a second data block generated after the first data block to a block header of the first data block; generating a signature corresponding to the first data block, and adding the signature corresponding to the first data block to the block header of the first data block; and releasing the block header of the first data block to the service node sub-network, to cause a service node to verify the signature included in the block header of the first data block, and obtaining the first key information after a successful verification to verify the block header of the second data block.

Abstract: A chassis with built-in handles which do not add to dimensional clearance required for the chassis to be placed in a cavity includes a side plate, a mounting unit, and a handle. A mounting groove is defined on the side plate. The mounting unit is coupled to the side plate. The handle is partially clamped by the side plate and the mounting unit, and rotatably coupled with the side plate. By rotating the handle, the handle can be stored at least flush in the mounting groove.

Abstract: A wheeled carrying apparatus includes a frame structure including a standing frame, a wheel mount carrying a wheel and pivotally connected with the standing frame, the wheel being rotatable relative to the first wheel mount about a wheel axis, a locking assembly including a wheel mount latch movably connected with the standing frame, the wheel mount latch being engaged with the wheel mount to rotationally lock the first wheel mount with respect to the standing frame, and disengaged from the wheel mount to unlock the wheel mount for rotation of the wheel mount to change an orientation of the wheel axis, an actuating assembly coupled to the wheel mount latch and including one or more linking part, and a release mechanism including an operating part provided on the frame structure that is operable to cause the actuating assembly to pull the wheel mount latch to disengage from the wheel mount.

Abstract: A display device, including a backlight module (1). The backlight module (1) includes an optical film layer (2), the optical film layer (2) includes at least two diffusers (21) stacked in sequence, and the haze of each diffuser (21) is 80%-99%. The backlight module (1) further includes an LED light source (3), and the optical band of the LED light source (3) is greater than 455 nm. The display device further includes a cover plate (5) and at least one anti-reflection layer (7), the cover plate (5) is provided with an atomization layer (51), and the anti-reflection layer (7) is located on the side of the cover plate (5) facing away from a display panel (4).

Abstract: A data processing method performed by a first device includes: generating, in response to first service data satisfying a data uploading condition, a first bit array corresponding to the first service data; encrypting the first bit array through a data key to obtain a ciphertext bit array, the data key being generated by a second device in a data intersection application run in a trusted execution environment of the second device; and transmitting the ciphertext bit array to a blockchain node for forwarding to a second device, for the second device to decrypt, in the data intersection application through the data key, the ciphertext bit array to obtain the first bit array.

Abstract: A locking assembly can lock a workpiece. The workpiece includes a locking hole. The locking assembly includes a housing, a movable component, and an unlocking handle. The movable component includes a sleeve, a pin, and an unlocking cover. The sleeve is mounted on the housing. The pin is accommodated in the sleeve, and a portion of the pin protrudes from the housing and accommodated in the locking hole. The unlocking cover is fixed to the pin. The unlocking handle is disposed between the unlocking cover and the sleeve. The unlocking cover can be pulled from a first direction to move the pin out of the locking hole; or the unlocking handle can be pulled from a second direction intersecting with the first direction, and the unlocking handle can abut against the unlocking cover to drive the pin to move out of the locking hole.

Abstract: The present invention discloses a remote-controlled automatic dog-teasing ball, which comprises an upper shell and a lower shell which are spliced into a ball shape, wherein a driving box is arranged in the upper shell and the lower shell, the upper and lower parts of the driving box are respectively provided with a protruding fixed head and a movable head, the movable head and the lower shell are assembled in linkage by splicing; a circuit component and a driving component which are electrically connected are also arranged in the driving box; the fixed head and the circuit component are electrically connected by an elastic part, and the fixed head and the upper shell are elastically abutted and linked; the driving component comprises a motor and a gear, and transmission between the motor and the movable head is achieved by the gear; the circuit component comprises a control motherboard, and at least a receiving module, a vibration switch and an LED lamp are arranged on the control motherboard.

Abstract: Systems disclosed herein are directed to a display stand unit for a retail environment. The display stand unit includes a base having an interior and a display stand. The display stand includes a stem that connects to and extends upwardly from the base and a receiving surface that is suspended above and spaced away from the base by the stem. The receiving surface is configured to releasably hold an electronic device above and spaced away from the base. The display stand unit further includes a security cable that extends out from the base. The security cable is configured to attach to the electronic device to movably secure the electronic device to the base. The display stand unit further includes a retractor disposed within the interior of the base and connected to the security cable. The retractor automatically retracts the security cable.

Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a die, an underfill layer, a patterned dielectric layer and a plurality of conductive terminals. The die has a front surface and a back surface opposite to the front surface. The underfill layer encapsulates the die, wherein a surface of the underfill layer and the back surface of the die are substantially coplanar to one another. The patterned dielectric layer is disposed on the back surface of the die. The conductive terminals are disposed on and in contact with a surface of the patterned dielectric layer and partially embedded in the patterned dielectric layer to be in contact with the die, wherein a portion of the surface of the patterned dielectric layer that directly under each of the conductive terminals is substantially parallel with the back surface of the die.

Abstract: The disclosure relates to an omni-directional horizontally oriented deflecting tool for a coiled tubing, which includes an inner central pipe, an outer central pipe, a conical outer cylinder, a piston outer cylinder, an anchoring mechanism, a sealing mechanism, a reversing mechanism and a steering mechanism. The anchoring mechanism includes a cone, an O-shaped sealing ring I, a cone spring, a slip, a slip spring, a slip seat, a claw I and a pin shaft I, and the sealing mechanism includes a piston, an O-shaped sealing ring II, a claw II, a pin shaft II, an upper rubber cylinder seat, a rubber cylinder, a connecting cylinder, a lower rubber cylinder seat and a gasket.

Abstract: A multi-axis turntable includes a base, a rocker arm and a first driving device capable of driving the rocker arm to rock around the first rotation axis on the base. A swing arm and a second driving device, which is capable of driving the swing arm to swing around the second rotation axis on the rocker arm, are provided on the rocker arm. A workbench and a third driving device for driving the workbench to rotate around the third rotation axis are provided on the swing arm. The second rotation axis and the third rotation axis are parallel to each other or on different planes. Compared with the existing double rotating shaft turntable, the multi-axis turntable of the present invention has a cutting tool system of good and stable rigidity.

Abstract: In a blockchain transaction execution method, a first transaction of a first blockchain is received from a proxy program component. The first transaction is based on a second transaction of a second blockchain. A data structure of the first transaction is different from a data structure of the second transaction. The second transaction is extracted from the first transaction. A virtual machine is invoked to execute the second transaction of the second blockchain. An execution result of the second transaction is transmitted to the application via the proxy program component.

Abstract: Provided are a product performance prediction modeling method and apparatus, a product performance prediction method, a product performance prediction system, a computer device, and a storage medium. The product performance prediction modeling method includes: acquiring first sample data, the first sample data including device outlier data generated in a process of manufacturing a product by a device; acquiring a production line configuration simulation parameter of a production line relating to a location of the device, and product information of the product manufactured by the production line; selecting a simulation model to perform simulation test on the performance of the product, to obtain product performance simulation data; and inputting the device outlier data, the production line configuration simulation parameter, the product information and the product performance simulation data into a machine learning model to perform machine learning training, to obtain a product performance prediction model.

Abstract: Disclosed herein are an adhesion blocking element, a three-dimensional printing device and a three-dimensional printing method. The adhesion blocking element comprises: one light-transmittable main body comprising a first surface and a second surface which are disposed opposite to each other, and side faces connecting the first surface and the second surface; and a plurality of microstructures arranged on the main body, wherein each microstructure has one cavity formed in the main body and one first open face which is arranged on the first surface of the main body and communicated to the cavity. The present invention decreases the adhesion between the adhesion blocking element and the cured layer by improving the structure of the adhesion blocking element itself, and eliminates the negative pressure adsorption between the cured layer and the adhesion blocking element, so that it is easier to peel the adhesion blocking element off from the cured layer.

Abstract: In a blockchain data processing method, service updating data of each of a plurality of encrypted data is received. The service updating data of each of the plurality of encrypted data includes encrypted primary key information of the respective encrypted data. Each of the plurality of encrypted data includes service data encrypted by a respective service node of a plurality of service nodes. Service intersection data is generated based on a data intersection of the service updating data of the plurality of encrypted data. The service intersection data is transmitted to a service node of the plurality of service nodes. The service intersection data includes supplemental text data from another service node of the plurality of service nodes.