Abstract: The present disclosure relates to head-mounted vision detection equipment, vision detection method and electronic equipment, which relates to the technical field of vision detection. The head-mounted vision detection equipment includes a virtual reality headset, a sound collection device and a fundus detection device that are arranged on the virtual reality headset, and a processor. The vision detection headset is configured to display content to be recognized under control of the processor; the sound collection device is configured to obtain a recognition voice of a wearer for the content to be recognized; the fundus detection device is configured to obtain a fundus image of the wearer; and the processor is configured to acquire the recognition voice and the fundus image.

Abstract: The present disclosure relates to a virtual object construction method and apparatus, and the method includes: obtaining a plurality of first planes on a target object in an environmental image according to an acquired environmental image; obtaining a plurality of corner points according to the plurality of first planes; constructing a virtual object corresponding to the target object according to a corner point located on the target object in the plurality of corner points.

Abstract: A method and system for detecting plane information are provided. The method includes: obtaining point cloud information of a physical environment of a user; performing an iterative regressing operation on the point cloud information to fit all plane information corresponding to the physical environment; merging all the plane information according to a preset rule to obtain a merged plane information set; performing plane segmentation on the plane information set based on a pre-trained plane segmentation model to obtain segmented plane information; and filtering the segmented plane information to determine all target plane information corresponding to the physical environment.

Abstract: Exemplary apparatus and method can be provided. For example, using at least one light source first arrangement, it is possible to provide pulses of light to at least one portion of a biological structure. At least one detector second arrangement can be used to detect images from the portion(s) based on the pulses, and provide data based on the detection. With at least one configuration, it is possible prevent and/or reduce a movement of the apparatus within at least one anatomical body (i) is a particular surface of the apparatus, (ii) covers at least one portion of the surface, and/or (iii) extends from the surface. In addition or alternatively, with at least one computer third arrangement, it is possible to receive the data, and control a timing of at least one of activation or deactivation of at least one portion of the first arrangement based on the data.

Abstract: An interaction method and system based on virtual reality equipment are disclosed. The method comprises: rendering a user avatar of each virtual reality equipment in the virtual reality scene of each virtual reality equipment according to user data of multiple virtual reality equipments; acquiring in real time position-posture tracking data of multiple users collected by multiple virtual reality equipments, wherein the position-posture tracking data carries user IDs; merging the position-posture tracking data of multiple users based on the user IDs carried by the position-posture tracking data, to obtain position-posture merging data of each user, wherein the position-posture merging data carries user ID; and updating position-posture status of user avatars having a same user ID in the virtual reality scene of each virtual reality equipment by using the position-posture merging data and its carried user IDs, to realize interaction among different user avatars in the virtual reality scene.

Abstract: A foveated rendering method of a Virtual Reality (VR) system based on monocular eyeball tracking is provided. A first monocular mapping position, corresponding to a monocular eyeball of a user, on a display screen of the VR system is obtained, and then an Inter Pupilary Distance (IPD) corresponding to a binocular pupil distance of the user is obtained, so as to calculate a second monocular mapping position, corresponding to the other monocular eyeball of the user, on the display screen of the VR system according to the IPD and the first monocular mapping position. Then, main rendering regions are determined by taking the first monocular mapping position and the second monocular mapping position as circle centers and preset thresholds as radiuses respectively. High-resolution main rendering is performed in the main rendering regions.

Abstract: Disclosed is a handle controller which includes a handle body and a light-emitting unit, the light-emitting unit being provided at an end of the handle body and forming a preset angle with the handle body; the light-emitting unit includes a first surface, a second surface, a plurality of first light-emitting marks and a plurality of second light-emitting marks, the second surface covering the first surface; the first light-emitting marks and the second light-emitting marks are both provided on the first surface, and the plurality of first light-emitting marks are distributed annularly; the first light-emitting marks and the second light-emitting marks are configured to illuminate so as to be captured by an imaging device; the first light-emitting marks illuminate for a first period, and the second light-emitting marks illuminate for a second period.

Abstract: A process is provided for making a WEE1 inhibitor of the formula (1A) useful in the treatment of conditions characterized by excessive cellular proliferation, such as cancer. In some embodiments, processes are provided for making intermediate compounds of the formulae (3), (5) and (6) as defined herein.

Abstract: A switching method and system of interactive modes of a head-mounted device is provided. The interactive modes include gamepad tracking interactive mode and bare hand tracking interactive mode. A standard deviation of position data, a standard deviation of attitude data and a standard deviation of accelerometer data among IMU data are acquired, respectively. Whether the standard deviation of the position data, the standard deviation of the attitude data and the standard deviation of the accelerometer data meet a first preset condition is determined. Moreover, the standard deviation of the accelerometer data within a second preset duration is acquired in real time, and whether the standard deviation of the accelerometer data meets a second preset condition is determined. In cases where the standard deviation of the accelerometer data meets the second preset condition, the bare hand tracking interactive mode is paused, and the gamepad tracking interactive mode is started.

Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, tautomer, prodrug or stereoisomer thereof, wherein R1, R2a, R3a, R3b, R4a, R4b, G1, G2, L1, L2, m1, m2, A, B, W, X, Y, Z and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.

Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, stereoisomer, isotopic form or prodrug thereof, wherein R1, R2a, R2b, R2c, R3a, R3b, R4a, R4b, R5, L1, L2, L3, E, m1, m2 and * are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.

Abstract: A radio physical layer protocol data unit (PPDU) sending method includes: obtaining, a radio physical layer protocol data unit (PPDU), wherein the PPDU includes a high efficiency-signal field A (HE-SIG-A) and a high efficiency-signal field B (HE-SIG-B), the HE-SIG-A includes a field indicating a quantity of orthogonal frequency division multiplexing (OFDM) symbols in the HE-SIG-B, and wherein a value of the field indicates one of the following: that the quantity of OFDM symbols included in the HE-SIG-B is greater than or equal to 16, or the quantity of OFDM symbols included in the HE-SIG-B; and sending the PPDU.

Abstract: A time series data adversarial sample generating method and system, an electronic device, and a storage medium, relating to the field of time series data processing. The method comprises: training a time series prediction model using original time series data (101); calculating a maximum value of a loss function in the time series prediction model by means of a stochastic gradient descent optimization strategy (102); determining corresponding noise according to the maximum value of the loss function (103); and superimposing the noise on the original time series data to generate a globally disturbed time series data adversarial sample (104). The method can significantly reduce the model accuracy under the condition of a small amount of data disturbance, has important significance for safe application of an industrial system, and has wide applicability and transferability.

Abstract: The present disclosure provides methods of inhibiting the interaction of menin with MLL1, MLL2 and MLL-fusion oncoproteins with compositions of Formula (II-A). The methods are useful for the treatment of leukemia, solid cancers, diabetes and other diseases dependent on activity of MLL1, MLL2, MLL fusion proteins, and/or menin. Compositions of Formula (II-A) for use in these methods are also provided.

Abstract: The present disclosure provides methods of inhibiting the interaction of menin with MLL1, MLL2 and MLL-fusion oncoproteins. The methods are useful for the treatment of leukemia, solid cancers, diabetes and other diseases dependent on activity of MLL1, MLL2, MLL fusion proteins, and/or menin. Compositions for use in these methods are also provided.

Abstract: The present disclosure provides methods and apparatuses for providing form service assistance. Feature information corresponding to content in a target application may be extracted. It may be determined, based at least on the feature information, to recommend a form service for the content. A recommendation prompt of the form service may be presented. In response to receiving a confirmation to the recommendation prompt, the form service may be initiated with at least the feature information.

Abstract: Provided are an image difference-based method and system for tracking a transparent object, first by training a convolutional neural network based on sample data, to generate a transparent object detection model; then inputting visible light image data acquired in real time and infrared thermal image data acquired in real time to the transparent object detection model, to acquire a visible light image transparent pixel identifier and an infrared thermal image transparent pixel identifier; then calculating three-dimensional point cloud information of each pixel marked by the infrared thermal image transparent pixel identifier, in the infrared thermal image data, wherein the three-dimensional point cloud information is in a coordinate system of an infrared thermal imaging camera; wherein the infrared thermal imaging camera is a camera for acquiring the infrared thermal image data, thereby acquiring, according to the three-dimensional point cloud information, corresponding position coordinates of each pixel, whi

Abstract: A virtual reality-based eyeball tracking method and system are provided. Eyeball calibration data is presented to eyes of a user through a display, and then a binocular pupillary distance of the user is obtained through the eyeball calibration data. A left tracking camera captures reflected infrared light of a turned on left infrared light source, and a right tracking camera captures reflected infrared light of a turned on right infrared light source, so that tracking data of one eye is formed in each specific frame. Tracking data of the other eye in the specific frame is calculated according to the binocular pupillary distance and the tracking data of one eye. The tracking data of one eye and the tracking data of the other eye are arranged according to a time sequence of the specific frame to form binocular tracking data so as to complete eyeball tracking.

Abstract: Embodiments of the present disclosure describe sensors and sensing applications based on a composite material comprising an isoporous block copolymer film and a plurality of carbon nanoparticles embedded in the isoporous block copolymer film. Embodiments of the present disclosure further describe composite materials, methods of fabricating the composite materials, methods of using the composite materials, sensors comprising the composite materials, and the like.

Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, stereoisomer, isotopic form or prodrug thereof, wherein R1, R2a, R2b, R2c, R3a, R3b, R4a, R4b, R5, L1, L2, E, m1 and m2 are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.