Abstract: A centrifugal structure member of a microfluidic chip and a centrifuge are provided. The centrifugal structure member of a microfluidic chip includes: a connecting portion (10) configured to connect to a rotor of a centrifuge; a support portion (20) fixedly connected or integrally formed with the connecting portion (10), and having an inclined outer surface forming an included angle with the rotation axis (50) of the rotor of the centrifuge; and a mounting portion (30) connected with or formed on the inclined outer surface, and configured to detachably mount the microfluidic chip (40) on the support portion (20).

Abstract: Aspects of the disclosure provide methods and apparatuses, for video decoding and encoding. The apparatus includes processing circuitry configured to receive an image/video comprising one or more blocks and metadata for a machine task associated with the image/video. The metadata specifies neural network post-filtering characteristics for machine consumption. The processing circuitry decodes a first post-filtering parameter in the image/video corresponding to the one or more blocks to be reconstructed. The first post-filtering parameter applies to a block in the one or more blocks and has been updated by a post-filtering module in a post-filtering neural network (NN) that is trained based on a training dataset and the metadata. The processing circuitry determines the post-filtering NN in a video decoder corresponding to the one or more blocks based on the first post-filtering parameter, and decodes the block based on the determined post-filtering NN corresponding to the block and the metadata.

Abstract: The disclosure provides a microfluidic chip, a droplet generation device and a method for controlling a droplet generation size. The microfluidic chip includes a substrate and a first flow channel, a second flow channel and a third flow channel distributed on the substrate, the first flow channel, the second flow channel and the third flow channel intersecting to form a confluence area, the first flow channel being configured for a flow of a dispersed phase fluid from it, the second flow channel being configured for a flow of a continuous phase fluid from it, the dispersed phase fluid and the continuous phase fluid forming droplets in the third flow channel. The dispersed phase fluid flows in the first flow channel along a first direction, an orthographic projection of the first flow channel on the substrate has a first width which is constant in a second direction.

Abstract: Provided are a battery assembly and a manufacturing method thereof. the battery assembly includes: an anode unit, which includes an anode current collector and an anode on the anode current collector, an electrolyte layer on a side of the anode remote from the anode current collector; and a cathode unit on a side of the electrolyte layer remote from the anode; the battery assembly further includes: an interface layer formed at a contact interface between the anode current collector and the anode.

Abstract: A method of block-wise neural image compression with post filtering is performed by at least one processor of an encoder and includes encoding a block of an input image, using a first neural network, wherein the encoded block is decoded by a decoder using a second neural network to generate a reconstructed block, and performing intra-prediction on the reconstructed block, using a third neural network, to generate a predicted block. The method further includes determining a difference between the block of the input image and the generated predicted block, to generate a prediction residual, encoding the generated prediction residual, using a fourth neural network, wherein the encoded prediction residual is decoded by the decoder using a fifth neural network, and adding the decoded prediction residual to the generated predicted block, to generate a recovered predicted block.

Abstract: Aspects of the disclosure provide a method, an apparatus, and a non-transitory computer-readable storage medium for video decoding. The apparatus can include processing circuitry. The processing circuitry is configured to reconstruct blocks of an image from a coded video bitstream. The processing circuitry can perform post-processing on one of a plurality of regions of first two neighboring reconstructed blocks of the reconstructed blocks with at least one post-processing neural network (NN). The first two neighboring reconstructed blocks have a first shared boundary and include a boundary region having samples on both sides of the first shared boundary. The plurality of regions of the first two neighboring reconstructed blocks includes the boundary region and non-boundary regions that are outside the boundary region. The one of the plurality of regions is replaced with the post-processed one of the plurality of regions of the first two neighboring reconstructed blocks.

Abstract: A chip heat sink for a chip and a nucleic acid extraction device, where the chip has a channel for conveying a fluid, and on/off of the channel is controlled by an solenoid valve, the chip heat sink includes: a substrate, where the substrate has a first surface for placing the chip, and the first surface is provided with a first accommodating groove for accommodating an electromagnet; and a heat dissipation structure on the substrate and for dissipating heat from the electromagnet.

Abstract: A microfluidic flow channel structure and a microfluidic chip are described. The microfluidic flow channel structure includes a main chamber, wherein the main chamber includes at least two division zones and a reaction zone, and the at least two division zones are respectively connected with the reaction zone, wherein each division zone includes a first division wall, and the first division wall is provided with an opening for liquid inlet; a diversion structure is arranged at the opening of at least one division zone, and the diversion structure at least includes a first diversion wall, which is arranged opposite the first division wall; a first division channel is formed between the first diversion wall and the first division wall, and the first division channel includes at least two liquid outlets.

Abstract: A display panel and electronic device are provided. The display panel comprises a plurality of touch signal lines, a plurality of display signal lines, a plurality of first-type signal shielding lines, and a plurality of first power lines. The first-type signal shielding line is arranged in the non-display area, and the first-type signal shielding line is located between the touch signal line and the display signal line. The first power line is connected to a fixed voltage signal, and the first-type signal shielding line is electrically connected to the first power lines respectively on both sides of the bending sub-area.

Abstract: Methods and apparatuses for neural network based image compression may be provided. The method may include receiving a compressed input image; generating a first prediction of the input image using a first combination of one or more first convolutional nets, a first activation function, and the compressed input image, the generating includes at least: upsampling an output image from the one or more first convolutional nets; and performing tensor transform based on the upsampled output image; and decoding the compressed input image using the generated first prediction.

Abstract: A detection chip and a preparation method thereof, the detection chip may include a base substrate and a detection layer, the detection layer is provided on the base substrate and include a plurality of detection holes, each of at least a portion of the plurality of detection holes has a hole wall provided with a hydrophilic layer, and a contact angle of the hydrophilic layer is within 20 degrees. The detection chip can implement high-throughput, crosstalk does not easily occur between adjacent detection holes, which, thus, may improve detection accuracy.

Abstract: Disclosed are a touch display panel and a display device, comprising touch wires. The touch wires comprises first sub-parts arranged along the first direction; the first sub-part comprises a first wiring sub-part arranged along the first direction and a first connecting sub-part connecting adjacent first wiring sub-parts. The widths of the two first connecting sub-parts connected to one first wiring sub-part are different, and/or the widths of the two first connecting sub-parts connected between two adjacent first wiring sub-parts are different.

Abstract: Methods and apparatuses for neural network based image compression may be provided. The method may include generating a feature map comprising a plurality of channels for a compressed image; splitting the generated feature map into a first number of split feature maps; and reconstructing the compressed image using one or more long-range attention models with one or more variable receptive fields associated with a respective split feature map.

Abstract: Methods and apparatuses for decoding a compressed image using a neural image compression network may be provided. The method may include generating long-range context model parameters associated with a high resolution compressed image, the long-range context model parameters corresponding to a first area. The method may also include splitting the generated long-range context model parameters into a first number of context parameter blocks. The method may also include for each block in the first number of context parameter blocks, predicting respective context features using a long-range context model and respective context parameter blocks, wherein the long-range context model uses a corner-to-center latent decoding strategy or an edge-to-center latent decoding strategy to decode latents associated with the high resolution compressed image. Then, the high resolution compressed image may be reconstructed based on predicted context features.

Abstract: Methods and apparatuses for decoding a compressed image using a neural image compression network are provided. The method may include generating context parameters associated with a compressed image, the context parameters corresponding to a first area. The method may also include determining that a long range global dependency exists between a first latent and a second latent in a long-range global area within the compressed image and predicting a plurality of context features using a transformer-based long-range context prediction model. The method may then include reconstructing the compressed image based on the predicted plurality of context features.

Abstract: A high-throughput test chip includes: a backplane, a cover plate and a connector. The backplane and the cover plate are aligned to form a plurality of accommodation chambers. Test chip units are disposed on one side of the backplane facing the cover plate, and each of the test chip units is located in the corresponding accommodation chamber. Each of the accommodation chambers is provided with a liquid inlet and a liquid outlet. The connector includes pipelines; each of the pipelines is provided with a valve structure configured to control connection or disconnection of the pipeline. In each pair of a pipeline and an accommodation chamber, an inlet of the pipeline communicates with the liquid outlet of the accommodation chamber; the pipelines form at least one pipeline group, each pipeline group at least includes two pipelines, and the pipelines in each pipeline group share the same sample liquid outlet.

Abstract: The present application discloses a first substrate for a microfluidic chip, the microfluidic chip, and a method for processing a sample. The first substrate includes a first injection port, a first reacting region, a first upstream end of which is communicated with the first injection port, a second injection port, a second reacting region, an upstream end of which is communicated with the second injection port, and a downstream end of which is communicated with a second upstream end of the first reacting region, a fluid backflow prevention region between the second reacting region and the first reacting region, an upstream end of which is communicated with the downstream end of the second reacting region, and a downstream end of which is communicated with the second upstream end of the first reacting region, and an exit port communicated with a downstream end of the first reacting region.

Abstract: A control valve structure, a using method thereof, a microfluidic chip, and a nucleic acid extraction device. The control valve structure includes: a cover plate layer, a first channel layer, a first adhesive layer, a second channel layer, at least one valve core, and at least one elastic film. When the valve core is embedded in the first limiting hole, the elastic film seals the first limiting hole, and the second limiting hole, the first through hole and the liquid outlet channel form a sample liquid flow channel; and when the valve core is embedded in the second limiting hole, the elastic film seals the second limiting hole so as to block the sample liquid flow channel.

Abstract: The present disclosure provide a detection chip having at least one functional region, the functional region including: a reaction region and a non-reaction region surrounding the reaction region. The detection chip includes: a first substrate and a second substrate opposite to each other. In the reaction region, a side of the first substrate facing the second substrate is provided with reaction grooves arranged in an array along a first direction and a second direction; first communication grooves each between two reaction grooves adjacent in the first direction, and connected with the two reaction grooves; and second communication grooves each between two first communication grooves adjacent in the second direction, and connected with the two adjacent first communication grooves, and the first direction intersects the second direction. The embodiments of the present disclosure further provide a fabrication method and a sample introduction method of the detection chip.

Abstract: A touch control display panel and a display device are provided. The display device includes the touch control display panel, the touch control display panel includes a touch control layer, and the touch control layer includes touch electrodes and touch signal lines. Two openings formed between two extending segments in a same extending part on the touch signal lines and corresponding extending segments on adjacent touch signal lines are staggered from each other, so a patterning difference between the touch signal lines can be reduced, thereby improving uneven display of the touch control display panel.