Abstract: The present disclosure discloses a desk-mounted lifting platform comprising a workbench, an upper support and a low support. The workbench is connected to the upper support. A first lifting arm and a second lifting arm are arranged between the upper support and the lower support. The first lifting arm and the second lifting arm are X-shaped and hinged at an intersection thereof. An upper end of the first lifting arm is hinged with the upper support. A lower end of the first lifting arm is slidably fitted on the lower support. A lower end of the second lifting arm is hinged with the lower support. An upper end of the second lifting arm is slidably fitted on the upper support. A gas spring is arranged between the upper support and the lower support. The gas spring is used for providing a lifting force to lift the upper support.

Abstract: The present invention has a lifting table, comprising an upper platform, a lower platform, and at least one group of lifting component positioned between the upper and lower platforms and used for adjusting the height of the upper platform relative to the lower platform; the lifting table further comprises elastic elements and sliding components sliding fit on the upper or lower platform; the sliding components are connected with the elastic elements for sliding on the upper or lower platform under the effect of elastic forces from the elastic elements; each sliding component has a push part, the lifting component exerts an acting force to the push part so that the sliding component overcomes the elastic force of the elastic element to slide along the upper or lower platform, and is simple and labor-saving in operation and good in user experience.

Abstract: An image coding method and apparatus and an image decoding method and apparatus are provided by the present document. The image coding method includes: implementing matching coding for pixels of an input video image to obtain one or more matching relationship parameters, herein the matching relationship parameters are parameters used in a process of constructing predicted values and/or reconstructed values of the pixels in the image; mapping the matching relationship parameters to obtain mapped values of the matching relationship parameters; and performing entropy coding on the mapped values of the matching relationship parameters. The present document addresses the problem existing in the conventional art which is caused by the direct implementation of entropy coding for matching relationship parameters and achieves a good data compression effect through entropy coding.

Abstract: The present disclosure provides an integrated vision module component. The integrated vision module includes a bracket, a first vision module, and a second vision module. The first vision module and the second vision module are mounted on the bracket. The first vision module includes a first flexible circuit board, and a first image sensor and a second image sensor mounted on the first flexible circuit board. The second vision module includes a second flexible circuit board, and a third image sensor and a fourth image sensor mounted on the second flexible circuit board. The first image sensor and the third image sensor form a first binocular vision sensor. The second image sensor and the fourth image sensor form a second binocular vision sensor.

Abstract: A lifting platform with a sliding keyboard holder is disclosured. The lifting platform has a table plate, a base and a supporting leg connected with the table plate and the base, and a keyboard holder connected to the table plate. And the keyboard holder is slidably connected to the table plate in the vertical direction and is locked by a locking device. The keyboard holder can slide in the vertical direction to the position below the working table surface where the lifting platform is placed. With the above structure, the keyboard holder can be locked at any height at any time to meet the ergonomic requirements of different users, and the operation is simple, convenient and flexible.

Abstract: This present disclosure is about an electric shelf which has at least one column to be installed on a wall, a slidable component arranged on the column to slide along the column vertically, at least one layer of shelf board component connected to the slidable component to move simultaneously with the slidable component, and a linear driving device connected to the slidable component and the column to actuate the slidable component to move relative to the column. Advantages of the present disclosure compared to prior arts include a simpler structure and less space occupied by the shelf board component.

Abstract: An elevation working platform includes a lower support and an upper support. At least one group of X-type elevation mechanisms is provided between the lower support and the upper support. The elevation working platform further includes an elastic element. A first end of the elastic element is connected between two end points of a first support rod or a second support rod. A second end of the elastic element is connected to the lower support or a second hinging seat capable of sliding relative to the lower support. Using the X-type elevation mechanisms, the front and back positions of the upper support do not change in an elevating process of the upper support, the structure is simple and practical, and the cost is relatively low.

Abstract: The present invention provides a method for establishing a biomimetic nerve graft model for nerve fascicles of the extremities, which comprises the steps of: establishing a database of fascicles structures from nerve fascicles of the extremities with an imaging technique; obtaining information of a defective nerve trunk to be repaired of the extremities; and matching and fitting the information of the defective nerve trunk to be repaired of the extremities with/to the data in the database of fascicles structures, to establish a biomimetic nerve graft model that conforms to the characteristics of fascicles microstructure for nerve fascicles of the defective nerve trunk. In the present invention, the imaging technique and clinical data are fully utilized, to establish a biomimetic nerve graft model conforming to the characteristics of fascicles microstructure for varying types of detects, thus providing more accurate model information for repair of nerve trunk defects in the extremities.

Abstract: An image coding method and apparatus, and an image decoding method and apparatus are provided. In the coding method, a scanning manner parameter of a coding block is determined, and the scanning manner parameter may include at least one of: a region indication parameter used for determining a scanning region of the coding block and a scanning indication parameter used for determining a scanning order of pixels in a scanning region of the coding block; predicted values of part or all of pixels in the coding block are determined according to the scanning manner parameter; and the coding block is coded according to the predicted values, and a coding result is written into a bitstream.

Abstract: Provided is an encoding and decoding method and device for data compression. The encoding method includes: adaptively selecting a constrained string mode from a plurality of preset constrained string modes; and performing, according to the selected constrained string mode, string-matching encoding on a coding block to obtain information of a constrained string encoded in the selected constrained string mode and to obtain a bitstream of a syntax element of the constrained string encoded in the selected constrained string mode.

Abstract: Disclosed is a curved-surface television wall mount, including a wall panel (1) mounted on a wall surface, and two television mounting plates (2) disposed on the wall panel (1) for mounting a television. The curved-surface television wall mount further includes two supports (3) disposed on the wall panel (1), and the backs of the two television mounting plates (2) are respectively connected by hinges to the two supports (3). When a curved-surface television is mounted by using this structure, the front sides of the television mounting plates can fit to the back of the curved-surface television, thus avoiding deviation, instability or looseness when tightening a fastener, and successfully mounting the curved-surface television.

Abstract: The present disclosure relates to an encoding/decoding method, an encoder/decoder, and a storage method and device, which relates to the technical field of data storage. The encoding method comprises: determining a first bit of the encoded sequence based on a first bit of the first binary code sequence, a first bit of the second binary code sequence, and a reference symbol, the reference symbol being any one of the four different kinds of symbols; determining a current bit of the encoded sequence based on a current bit of the first binary code sequence, a current bit of the second binary code sequence, and a previous bit of the encoded sequence, the current bit of the encoded sequence being a bit other than the first bit of the encoded sequence.

Abstract: A SDN controller receives a forwarding request message including a header portion of a layer-2 packet. The SDN controller determines whether a source host and a destination host of the layer-2 packet are in the same virtual network according to a virtual network table.

Abstract: An unmanned aerial vehicle (UAV) includes a casing including a first end portion and a second end portion away from the first end portion. An accommodation chamber is formed at the second end portion. The UAV further includes a support plate arranged in the casing. The accommodation chamber is recessed relative to the support plate. The UAV also includes a circuit board assembly housed in the casing and a load provided at the first end portion of the casing. The circuit board assembly includes a circuit board connected to the support plate and an inertial measurement assembly provided at the circuit board and accommodated in the accommodation chamber.

Abstract: The disclosure discloses a method and device for coding an image and a method and device for decoding an image. The coding includes that: a coding block is partitioned into L micro-blocks, wherein L is a preset number of micro-block partitions in the decoding block; Displacement Vectors (DVs) between the micro-blocks and reference micro-blocks in a preset reconstructed pixel sample set are determined, wherein the DVs are vectors between pixel positions of the reference micro-blocks and pixel positions of the micro-blocks in a preset pixel coordinate system: and the DVs are coded and written into a bitstream. By the methods and the devices, the problem of low image compression and decompression efficiency during image coding and decoding in the related technology is solved, and tire effect of improving image coding and decoding efficiency is further achieved.

Abstract: A planar optical waveguide based on two-dimensional grating includes an optical waveguide substrate which is a transparent plane-parallel plate, and a functional grating element which includes a two-dimensional grating having two grating directions with an angle of 60° in between. The two-dimensional grating is either protruded or recessed into the top surface of the optical waveguide substrate. The output image from a micro-projector can enter the optical waveguide and then gets projected to cover the entire area of the functional grating element, enabling a human eye to view the output image across a large eye-box.

Abstract: An image coding method and apparatus, and an image decoding method and apparatus are provided. In the coding method, a scanning manner parameter of a coding block is determined, and the scanning manner parameter may include at least one of: a region indication parameter used for determining a scanning region of the coding block and a scanning indication parameter used for determining a scanning order of pixels in a scanning region of the coding block; predicted values of part or all of pixels in the coding block are determined according to the scanning manner parameter; and the coding block is coded according to the predicted values, and a coding result is written into a bitstream.

Abstract: A lifting platform with a sliding keyboard holder is disclosured. The lifting platform has a table plate, a base and a supporting leg connected with the table plate and the base, and a keyboard holder connected to the table plate. And the keyboard holder is slidably connected to the table plate in the vertical direction and is locked by a locking device. The keyboard holder can slide in the vertical direction to the position below the working table surface where the lifting platform is placed. With the above structure, the keyboard holder can be locked at any height at any time to meet the ergonomic requirements of different users, and the operation is simple, convenient and flexible.

Abstract: A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.

Abstract: The present disclosure provides a method and device for image coding and a method and device for image decoding, and the method includes: a representative pixel set of a coding block is constructed, and information for constructing the representative pixel set is determined; predicted values of pixel samples in the coding block are constructed, a generation manner for the predicted values including: constructing the predicted values of the pixel samples according to reconstructed pixel samples in an image region outside the coding block and pixel values of the representative pixel set; and the information for constructing the representative pixel set and information for constructing the predicted values are coded and written into a video bitstream.