Abstract: A display module and a display device are provided in the embodiments of the present disclosure. The display module includes a display panel, the display panel includes a first surface and a second surface opposite to each other, at least one of the first surface and the second surface is a display surface, and the display module further includes an optical modulation structure arranged on at least one of the first surface and the second surface of the display panel. The optical modulation structure includes: a first transparent substrate and a second transparent substrate arranged opposite to each other, a charged particle arranged between the first transparent substrate and the second transparent substrate, and a first transparent electrode structure arranged between the first transparent substrate and the second transparent substrate and configured to form an electric field for driving the charged particle to move.

Abstract: Provided are a method, apparatus and device for extracting image features, and a storage medium. The method includes: obtaining parameters to be quantized of a network layer in a neural network model (S101); determining whether values of the parameters to be quantized are all positive numbers (S102); when the values of the parameters to be quantized are all positive numbers, executing, based on an asymmetric linear quantization logic, a quantization operation on the parameters to be quantized (S103); when the values of the parameters to be quantized are not all positive numbers, executing, based on a symmetric linear quantization logic, a quantization operation on the parameters to be quantized (S104); and extracting features of an input image by using the neural network model for which the quantization operation has been executed (S105).

Abstract: A blockchain-based supervision system of hazardous chemical production includes: a collection layer, for collecting production data information, wherein a collection device in the collection layer sets a TEE to encrypt or hash the collected production data information; a data layer, for uplinking a hash certificate of the production data information through an alliance chain, wherein the collection layer communicates with the data layer; a blockchain, for deploying a file uplink contract and encrypting and storing a file on a privacy computing server after the file is connected to the trusted environment; and a privacy computing system, for forming a metadata market of the data from file description information, recording the metadata information of the collected data. A data user applies for the right of use to a production enterprise that produces the data, and after obtaining authorization, the data user performs various applications on the privacy computing system.

Abstract: An image compression sampling method and assembly are provided.

Abstract: A touch method, a touch circuit and a touch device are provided. The touch method includes: in ath touch time period, providing a touch driving signal to ath touch driving electrode; wherein a is a positive integer, a is less than or equal to A, and A is a positive integer; in ath background data detection time period, providing a touch accompanying signal to N touch driving electrodes adjacent to the ath touch driving electrode; wherein N is a positive integer; and performing touch detection according to ath touch sensing signal on touch sensing electrodes in the ath touch time period and ath background data voltage signal on the touch sensing electrodes in the ath background data detection time period; wherein an amplitude of the touch accompanying signal is less than an amplitude of the touch driving signal.

Abstract: Methods, devices, and media are disclosed for mapping of input and output spaces in head-based human-computer interactions. In some embodiments, an end-to-end method is described for designing a head-based user interface, calibrating the interface to individual users, and interacting with a user in real time by mapping head-based user inputs to an output space in a way that optimizes the target selection efficiency of the interaction. Head orientation may be leveraged to define the mapping between the user input and the output space.

Abstract: Provided are a display panel and a manufacturing method thereof. The display panel includes a base material and a first metal layer and a second metal layer which are laminated on the base material in a thickness direction of the display panel. The first metal layer includes first metal lines, the second metal layer includes second metal lines, the first metal lines extend in a first direction, and the second metal lines extend in a second direction, the first direction intersects the second direction. The first metal layer or the second metal layer includes third metal lines, a third metal line includes at least two first segments extending in the first direction and at least two second segments extending in the second direction, and two adjacent first segments are connected by one second segment. The display panel further includes a heating control assembly electrically connected to the third metal lines.

Abstract: A light guiding structure, a light source module and a display module are disclosed. The light guiding structure includes a light guiding body and at least one light guiding cavity disposed in the light guiding body. The light guiding body includes a light incident surface and a light exit surface which are disposed opposite to each other. Each light guiding cavity includes a first end close to the light incident surface of the light guiding body and a second end away from the light incident surface of the light guiding body, and the light guiding cavity extends from the first end to the second end.

Abstract: A method for evaluating performance of a self-driving vehicle oriented to full parameter space of a logical scenario is provided. After the test logic scenario of the self-driving vehicle system and its matched parameter space are given, the tested self-driving vehicle system is put into the logic scenario for testing, and the driving data under each specific test condition is obtained. After the driving trajectory of the tested self-driving vehicle system in the whole test logic scenario parameter space is obtained, the logic scenario is divided into two parts according to the ideal vehicle motion curve, namely, a safe region and a dangerous region. The key points and indicators of evaluation in the two regions are determined.

Abstract: An edge-lit light source includes at least two light guide layers and one or more light-emitting elements. Side surfaces of each layer include a light incident surface and a light exit surface. The layer includes a bending region. A light-emitting surface of each element faces a light incident surface of at least one layer. The layer includes first and second light guide portions. An end surface of the first light guide portion is the light exit surface. The second light guide portion includes at least two light guide bars each including a bending portion and an extending portion. A surface of the extending portion is a light incident sub-surface. The light-emitting surface of each element faces at least one light incident sub-surface. Second light guide portions of the at least two layers are arranged in a second direction perpendicular to a thickness direction of the first light guide portion.

Abstract: A touch substrate includes a base plate; touch electrodes; and at least three light adjustment layers stacked on a side of the base plate, and adjacent two of the light adjustment layers have different refractive indexes; the touch electrodes include a first touch electrode and a second touch electrode that are disposed on a side, backing onto the light adjustment layers, of the base plate, the second touch electrode is disposed on a side, backing onto the base plate, of the first touch electrode; the touch substrate further includes: a first insulating layer disposed between the base plate and the first touch electrode; a second insulating layer disposed between the first touch electrode and the second touch electrode; and a third insulating layer disposed on a side, backing onto the base plate, of the second touch electrode.

Abstract: An edge-lit light source includes one or at least two light guide layers arranged in a stack and one or more light-emitting elements. Of one or more light guide layers of the one or at least two light guide layers, side surfaces of each light guide layer includes a light incident surface and a light exit surface, and the light guide layer includes a bending region located between the light incident surface and the light exit surface. A light-emitting surface of each light-emitting element faces a light incident surface of at least one light guide layer of the one or more light guide layers.

Abstract: The present disclosure provides a dynamic true triaxial electromagnetic Hopkinson bar system and testing method, the method including: firstly, before applying a static prestress and an impact load, recording and storing complete ultrasonic signals in the directions X, Y, and Z without application of the static prestress and the impact load; secondly, applying the static prestress; thirdly, recording and storing complete ultrasonic signals in the directions X, Y, and Z under the static prestress; fourthly, applying the impact load, and utilizing an triaxial and six-directional synchronous-coordinated-control electromagnetic loading system to apply a dynamic impact load to a test specimen; and fifthly, after completing the dynamic impact loading test, recording and storing once again complete ultrasonic signals in the directions X, Y, and Z without releasing the static prestress after application of the static prestress and the dynamic impact load.

Abstract: Disclosed are a method and apparatus for automatically detecting and suppressing fringes, an electronic device, and a computer-readable storage medium. The method includes the following steps: an image shot by a camera is acquired, and a fringe of the image is recognized; at least one fringe action parameter is acquired among shooting parameters of the camera based on a recognition result obtained by recognizing the fringe of the image; and a parameter adjustment is performed on the acquired fringe action parameter by adopting a parameter adjustment strategy matched with the acquired fringe action parameter, to perform fringe suppression on the image shot by the camera.

Abstract: A manufacturing method of a touch substrate, a touch substrate, and a touch displaying device. The touch substrate comprises a base plate and touch electrodes, wherein a first film layer, a second film layer and a third film layer are sequentially stacked on one side of the base plate, and the refractive index of the second film layer is smaller than that of the first film layer and the third film layer.

Abstract: Provided are a display panel and a transfer method. The display panel includes: an array substrate, where the array substrate includes a base substrate, and the base substrate comprises a plurality of sub-pixel setting regions arranged in an array; an insulating layer located on a side of the pixel driving circuit array facing away from the base substrate, where the pixel driving circuit array includes pixel driving circuits arranged in an array; the insulating layer forms accommodating grooves respectively within the plurality of sub-pixel setting regions; and the pixel driving circuits are disposed in one-to-one correspondence with the accommodating grooves; and data lines and heating lines, where each of the data lines is electrically connected to a respective column of pixel driving circuits among a plurality of columns of pixel driving circuits arranged in the array.

Abstract: In various embodiments, a visualization engine generates graphs that facilitate sense making operations on data sets. A graph includes nodes that are associated with a data set and edges that represent relationships between the nodes. In operation, the visualization engine computes pairwise similarities between the nodes. Subsequently, the visualization engine computes a layout for the graph based on the pairwise similarities and user-specified constraints. Finally, the visualization engine renders a graph for display based on the layout, the nodes, and the edges. Advantageously, by interactively specifying constraints and then inspecting the topology of the automatically generated graph, the user may efficiently explore salient aspects of the data set.

Abstract: A method for performing hash code calculations may include calculating, during a write operation for a data block, a hash code for an occupied portion of the data block, inserting, during the write operation, a marker into the data block, calculating, during a read operation for the data block, a hash code for the occupied portion of the data block, searching, during the read operation, for the marker in the data block, and terminating the hash code calculation in response to finding the marker. A system may include a first interface configured to receive data blocks, a second interface configured to transmit data blocks, and hash logic coupled between the first and second interfaces, wherein the hash logic is configured to calculate a hash code for the occupied portion of a data block received through the first interface, and insert a marker in an unoccupied portion of the data block.

Abstract: A blockchain-based supervision system of hazardous chemical production includes: a collection layer, for collecting production data information, wherein a collection device in the collection layer sets a TEE to encrypt or hash the collected production data information; a data layer, for uplinking a hash certificate of the production data information through an alliance chain, wherein the collection layer communicates with the data layer; a blockchain, for deploying a file uplink contract and encrypting and storing a file on a privacy computing server after the file is connected to the trusted environment; and a privacy computing system, for forming a metadata market of the data from file description information, recording the metadata information of the collected data. A data user applies for the right of use to a production enterprise that produces the data, and after obtaining authorization, the data user performs various applications on the privacy computing system.

Abstract: Provided are methods of making a liquid and liquid vapor-proof material, and relates long-term implantable electronic devices. The method comprisies providing a first substrate having a first-side encapsulating layer supported by at least a portion of the first substrate; providing a material onto the first-side encapsulating layer; providing a second substrate having a second-side encapsulating layer supported by at least a portion of the second substrate; covering an exposed surface of the material provided onto the first-side encapsulation layer with the second-side encapsulating layer; wherein said encapsulating layers are substantially defect free so that liquid or liquid vapor is prevented from passing through each of the encapsulating layers; thereby making the liquid or liquid vapor-proof material.