Abstract: An apparatus comprising a light projector, a sensor and a processor. The light projector may be configured to toggle a light pattern. The sensor may be configured to generate pixel data. The processor may be configured to process the pixel data arranged as video frames, extract IR images with the light pattern, IR images without the light pattern and RGB images from the video frames, generate a control signal in response to the IR images with the light pattern and the RGB images, calculate an IR interference measurement in response to the IR images without the light pattern and the RGB images and select a mode of operation for an IR channel control and an RGB channel control in response to the IR interference measurement. The control signal may be configured to adjust an exposure for the sensor.

Abstract: Provided is a method for preparing a crosslinked polyvinyl chloride structure foamed material by using a physical foaming agent, comprising: melting and mixing a polyvinyl chloride resin, a modified resin, an isocyanate, an anhydride, a nucleating agent and a heat stabilizer to obtain a blank; immersing the blank into a foaming gas for foaming to obtain a foamed body; and subjecting the foamed body to crosslinking curing to obtain a crosslinked polyvinyl chloride structure foamed material. According to the present invention, the crosslinked polyvinyl chloride structure foamed material is prepared by means of a brand-new process route, and the composition and proportion of the PVC resin and other raw materials can be adjusted in a wide range; and carbon dioxide or nitrogen is used for foaming. Further provided is a crosslinked polyvinyl chloride structure foamed material.

Abstract: Devices and methods are provided to overdrive or underdrive a display panel to account for display pixel hysteresis due to several frames of pixel history. An electronic device may include an electronic display and processing circuitry. The electronic display includes a number of display pixels. The processing circuitry may generate image data for the display pixels. The processing circuitry may receive a current frame value of the image data targeted for a first display pixel and, based at least in part on the current frame value and a pixel history of the first display pixel—may indicate a gray level for a number of previous frames—generate a compensated value by which to drive the first pixel to overcome pixel hysteresis to reach the desired luminance at an initial response.

Abstract: A circuit board comprises a substrate with opposite first and second sides. A pair of plated through holes (PTHs) extends along z-axis. A pair of signal traces are made on the first side of the substrate and electrically coupled to the pair of the PTHs respectively to form a differential pair. A ground metal is made on the second side of the substrate, the ground metal has a clearance made therein. The ground metal extends fully overlapping with the full signal traces to eliminate reflection noise caused by a boundary between the clearance and the metal ground.

Abstract: A circuit board comprises a substrate with opposite first and second sides. A pair of plated through holes (PTHs) extends along z-axis. A pair of signal traces are made on the first side of the substrate and electrically coupled to the pair of the PTHs respectively to form a differential pair. A ground metal is made on the second side of the substrate, the ground metal has a clearance made therein. The ground metal extends fully overlapping with the full signal traces to eliminate reflection noise caused by a boundary between the clearance and the metal ground.

Abstract: A method and apparatus for adjusting an image acquisition apparatus, and a compensation method of a display panel. The method for adjusting an image acquisition apparatus includes the following: the image acquisition apparatus is used to acquire m1 groups of first test image data in a set display region of a display panel displaying in a preset grayscale; a collection parameter of the image acquisition apparatus is determined according to the data deviation distribution of the m1 groups of first test image data; and the determined collection parameter of the image acquisition apparatus is configured into the image acquisition apparatus.

Abstract: Disclosed are a cloud safety computing method, a device and a storage medium based on cloud fault-tolerant technology. The cloud safety computing method includes following steps: S1, adopting a one-master multiple-slave fault-tolerant architecture for management nodes, and using KeepAlived and Haproxy to realize a liveness self-check of the management nodes and a load balancing of user requests, and S2, adopting a dynamic redundancy fault-tolerant safety design for service nodes to maintain a life cycle of application microservices, and giving feedback on liveness information to the management nodes in real time through heartbeat by the service nodes, where the application microservices report the life cycle to the management nodes based on a probe mechanism, and the application microservices exchange input and output information through redundancy voting.

Abstract: A Gamma debugging method, apparatus and device. The method includes: determining a target display parameter of a display module at an ith gray scale binding point according to a target display parameter of the display module at a first gray scale binding point and a preset Gamma mapping relationship, controlling the display module to display an initial gray scale picture according to the target display parameter at the ith gray scale binding point, and collecting an actual display parameter of the display module at the ith gray scale binding point; and adjusting, under a condition that a difference between the actual display parameter at the ith gray scale binding point and the target display parameter at the ith gray scale binding point goes beyond a preset deviation threshold range, a data signal parameter corresponding to the ith gray scale binding point.

Abstract: The present disclosure discloses a brain-computer interface decoding method and apparatus based on point-position equivalent augmentation. According to the method, a point-position equivalent transformation is performed on sampling points to augment training data and generate arrangement sets. The task-related component analysis is performed on the augmented data to generate spatial filter. Afterwards, a full-frequency directed rearrangement is performed on verification signals or test signals according to the equivalent arrangement sets. After spatial filtering, Pearson correlation coefficients between the rearranged signals and the decoding templates are calculated. These correlation coefficients will be classified and voted by using a naive Bayes method. The verification module will generate the coefficient probability density functions and a threshold, and the test module will finally output the predicted label based on these information.

Abstract: A compensation method and device for a display panel. The compensation method for a display panel includes acquiring a plurality of test grayscales of a to-be-tested display panel, performing a grayscale extension on the test grayscales to determine a plurality of test mapping grayscales corresponding to the test grayscales; acquiring, by using a camera, actual display brightness of each of the test mapping grayscales and actual display chroma of each of the test mapping grayscales; and determining a grayscale compensation formula of each display region of the at least two display regions of the display panel according to target display brightness of each of the test mapping grayscales, target display chroma of each of the plurality of test mapping grayscales, the actual display brightness of each of the test mapping grayscales, and the actual display chroma of each of the test mapping grayscales.

Abstract: Methods and systems provide for presenting time distributions of participants across topic segments in a communication session. In one embodiment, the system connects to a communication session with a number of participants; receives a transcript of a conversation between the participants produced during the communication session, the transcript including timestamps for each utterance of a speaking participant; determines, based on analysis of the transcript, a meeting type for the communication session; generates a number of topic segments for the conversation and respective timestamps for the topic segments; for each participant, analyzes the time spent by the participant on each of the generated topic segments in the meeting; and presents, to one or more users, data on the time distribution of participants for each topic segment and across topic segments within the conversation.

Abstract: The present disclosure relates to a phase change material (PCM) composition and a process for preparation thereof, wherein said composition comprising a phase change material, glass fibers and xanthan gum. In a preferred embodiment, the phase change material is water (or ice) and the g lass fibers are glass wool. The disclosure also relates to a stackable and sealable package enclosing the PCM composition. In a particular embodiment, the PCM composition is used to prepare a cold box that may be used in cold chain transportation.

Abstract: The present application discloses a method for eliminating multi-channel gain errors of an EEG signal acquisition system. The system includes an acquisition electrode, decoupling input capacitors, input units, intra-channel chopper modulators, inter-channel chopper modulators, fully differential closed-loop amplifiers, inter-channel chopper demodulators, intra-channel chopper demodulators, low-pass filters and an output unit sequentially arranged in a signal flow direction of channels. The method includes a process of intra-channel chopping modulation, multi-level inter-channel chopping modulation, amplification, multi-level inter-channel chopping demodulation, intra-channel chopping demodulation, and low-pass filtering. The present application eliminates gain errors between channels, ensures signal acquisition accuracy, and avoids flicker noise in amplifiers.

Abstract: Some embodiments of the disclosure provide an ultra-low temperature phase change gel including a phase change matrix, a temperature regulator and a nucleating agent. In some embodiments, the phase change matrix is used as a host material for phase change to store and release cooling capacity, the temperature regulator is used for regulating the phase change temperature of the phase change matrix, and the nucleating agent is used for reducing a supercooling degree of the phase change matrix. The phase change matrix includes a temperature control material and water. The temperature control material includes sodium silicate, dipotassium hydrogen phosphate and aluminum sulfate, and the temperature regulator comprises polyethylene glycol. The nucleating agent includes a composite material formed by free radical polymerization of a reaction monomer and a macroinitiator. The composite material includes polyacrylic acid grafted with silica hybrid nano particles.

Abstract: A driving method of a display panel is provided. The driving method of the display panel includes: within one frame, in a charging period of sub-pixels electrically connected to an ith scan line, each multiplexing circuit charging N data lines electrically connected to the multiplexing circuit in a charging sequence of a first preset sequence; in a charging period of sub-pixels electrically connected to a jth scan line, each multiplexing circuit charging the N data lines electrically connected to the multiplexing circuit in a charging sequence of a second preset sequence; the second preset sequence is different from the first preset sequence, and charging rankings of each data line electrically connected to each multiplexing circuit in at least two charging sequences are different, where N is an integer and N?2, and i and j are positive integers and j?i.

Abstract: Methods of treating gastrointestinal inflammatory disorders such as inflammatory bowel diseases including Crohn's disease are provided. Also provided are methods of administering and dosing integrin beta7 antagonists, such as anti-integrin beta7 antibodies. In addition, methods of administrating and dosing such integrin beta7 antagonists to induce remission or to induce and maintain remission of Crohn's disease are provided.

Abstract: The disclosure relates to display devices and display screen modules. The display device includes a body, a display screen and a second display area. The display screen is disposed on the body, and the display screen includes a first display area and a light transmitting area. The first display area has a light exiting surface facing away from the body. The second display area is located between the display screen and a bottom surface of the body and configured to compensate for the light transmitting area, so that the light transmitting area displays image information, realizing full-screen display.

Abstract: Methods of assessing or monitoring the effect, efficacy, responsiveness to treatment, and/or determining a dose or dosing regimen of therapeutic agents, such as integrin beta7 antagonists, for the treatment of gastrointestinal inflammatory disorders are provided. In certain aspects, methods of using integrin beta7 subunit-containing receptor occupancy by the integrin beta7 antagonist on colonic lymphocytes as an indicator (“biomarker”) of the effect, efficacy, or responsiveness to treatment, and/or as a means to determine dosing or dosing regimens of therapeutic agents such as beta7 integrin antagonists for the treatment of gastrointestinal inflammatory disorders are provided. In certain aspects, methods of assessing the effect, efficacy, or responsiveness to beta7 integrin antagonist treatment by measuring gene expression levels of one or more integrin receptor ligands, lymphocyte genes, cytokine genes, or the number of alphaE-positive cells in intestinal crypt epithelium are provided.

Abstract: A path verification method in a logic circuit includes determining a plurality of first paths that are to be tested in a design for test (DFT) mode, determining a plurality of second paths that are to be tested in a function mode, determining a third path in the plurality of first paths and the plurality of second paths that does not need to achieve optimal performance in the function mode, and setting a time sequence constraint for the third path in the function mode to cause the third path to achieve target performance within a number AA clock cycles. AA is less than or equal to a ratio of a clock frequency in the function mode to a clock frequency in the DFT mode. AA is a positive integer.