Abstract: A cutting tool head angle adjustment mechanism comprising a base, a head connected to a support seat and a locking disc; the head is internally provided with an accommodating hole for allowing a locking pin to extend and retract; an elastic member is arranged in the accommodating hole; when the locking switch swings back and forth, the locking block is propelled to reciprocate between the position of clamping the locking disc and the position of releasing the locking disc, so that locking and unlocking between the head and the support seat at any angle are achieved; when the locking pin reciprocates between the position of inserting into the locking hole and the position of escaping the locking hole, the automatic locking and unlocking between the head and the support seat at a specific angle are achieved; the head angle adjustment mechanism achieves convenient and fast operation and ideal locking effect.

Abstract: The described aspects and implementations enable vehicle light classification in autonomous vehicle (AV) applications. In one implementation, disclosed is a method and a system to perform the method that includes, obtaining, by a processing device, first image data characterizing a driving environment of an autonomous vehicle (AV). The processing device may identify, based on the image data, a vehicle within the driving environment. The processing device may process the image data using one or more trained machine-learning models (MLMs) to determine a state of one or more lights of the vehicle and cause an update to a driving path of the AV based on the determined state of the lights.

Abstract: The present application relates to a radio frequency coil assembly and a magnetic resonance imaging system. The radio frequency coil assembly includes a lower component, side components, and an upper component. At least one side component is detachably connected to opposite ends of the lower component; the upper component is rotatably connected to the lower component. The lower component, the side components, and the upper component cooperatively define an accommodating cavity with an opening. The side component is drivingly connected to the upper component. When the upper component is rotated relative to the lower component, the side component is driven by the upper component to move relative to the lower component, so as to adjust the volume size of the accommodating cavity.

Abstract: A method implemented in a wastewater monitoring system for evaluating bioavailability of organic nitrogen in wastewater, including: obtaining, by using a Fourier Transform Ion Cyclotron Resonance Mass Spectrometer, molecular composition information of organic nitrogen in a wastewater sample collected from a wastewater treatment plant; obtaining bioavailability data corresponding to the wastewater sample, where the bioavailability data is measured through algal bio-culture; training, by a processor of the wastewater monitoring system, a random forest model using the molecular composition information and the bioavailability data; receiving, from the spectrometer, molecular composition information of organic nitrogen in wastewater from a target wastewater treatment plant; and executing, by the processor, the trained machine learning model on the received molecular composition information to generate a predicted bioavailability value; and transmitting, by the wastewater monitoring system, the predicted bioavailab

Abstract: Disclosed is a split-gate power MOS device and a manufacturing method thereof. The method comprises: forming a trench in an epitaxial layer on a substrate; forming a first insulation layer on a surface of the epitaxial layer and in the trench; filling a cavity with polycrystalline silicon, performing back-etching; performing spin-coating on the first gate conductor layer to form a second insulation layer; forming a mask on the second insulation layer, removing a portion of the first insulation layer, to expose an upper portion of the trench; forming a gate oxide layer on a sidewall of the upper portion of the trench and the surface of the epitaxial layer; and forming a second gate conductor layer in the upper portion of the trench. According to the present disclosure, voltage withstand and electric leakage between the first gate conductor layer and the second gate conductor layer are reduced.

Abstract: The described aspects and implementations enable vehicle light classification in autonomous vehicle (AV) applications. In one implementation, disclosed is a method and a system to perform the method that includes, obtaining, by a processing device, first image data characterizing a driving environment of an autonomous vehicle (AV). The processing device may identify, based on the image data, a vehicle within the driving environment. The processing device may process the image data using one or more trained machine-learning models (MLMs) to determine a state of one or more lights of the vehicle and cause an update to a driving path of the AV based on the determined state of the lights.

Abstract: The present invention relates to a modified adeno-associated virus (AAV) capsid polypeptide and a novel recombinant adeno-associated virus (rAAV) comprising the modified AAV capsid polypeptide for delivering the gene product for the therapy. The present invention also relates to a pharmaceutical composition comprising the rAAV of the present invention, and a method of treating a retinal disease comprising the administration of the rAAV or the pharmaceutical composition of the present invention to an eye of a subject in need thereof.

Abstract: The present disclosure provides a camera module and an optical lens thereof, an optical lens element and a manufacturing method therefor, and a method for assembling a large wide-angle camera module, wherein the camera module comprises a lens and a photosensitive assembly. The lens comprises a lens barrel, at least one first lens element unit and at least one second lens element unit, and is further provided with at least one notch, wherein the first lens element unit and the second lens element unit are disposed in the lens barrel, and the first lens element unit is configured as a non-rotating body, and wherein the notch is provided in the lens barrel, or the notch is formed in the first lens element unit, or the notch is formed in the second lens element unit, and the first lens element unit is marked by means of the notch.

Abstract: An LDMOS device and a fabrication method for fabricating the same are provided. The LDMOS device includes: a substrate, which is of a first dopant type; an epitaxial layer, which is of the first dopant type and formed on the substrate; a gate structure disposed on an upper surface of the epitaxial layer; a well region of the first dopant type and a drift region of a second dopant type, both disposed in the epitaxial layer; a source region of the second dopant type, disposed within the well region; a drain region of the first dopant type, disposed within the drift region; a first insulating layer covering an upper surface and two sidewalls of the gate structure and the upper surface of the epitaxial layer; and a first conducting channel extending through the first insulating layer, source region and epitaxial layer, in contact the source region.

Abstract: A method includes providing a wearable device including a left optical stack and a right optical stack and receiving virtual content to be displayed. The method also includes determining that eye tracking data is available and determining if a user is fixated on the first focal plane or the second focal plane. In response to determining that the user is fixated on the first focal plane, the method includes causing the left optical stack to display the virtual content at the first focal plane and causing the right optical stack to display the virtual content at the first focal plane. In response to determining that the user is fixated on the second focal plane, the method includes causing the left optical stack to display the virtual content at the second focal plane and causing the right optical stack to display the virtual content at the second focal plane.

Abstract: Embodiments of the present application relate to a method, apparatus, and system for operating an electronic account or displaying a payment page. The method includes receiving, from a first client terminal, a payment platform display page acquisition request, providing, to the first client terminal, a payment platform display page, wherein the payment platform display page includes a first script code, wherein in the event that the first script code is executed, the first script code causes the first client terminal to obtain a payment page including a digital object unique identifier from a payment server and to display the payment page, wherein the digital object unique identifier indicates an upcoming payment sum, receiving verification information, and sending the verification information to the payment server to instruct the payment server to execute a deduction operation on an electronic account.

Abstract: A display apparatus is disclosed The display apparatus includes a display, configured to present an image interface, the image interface includes a render layer and a display layer superimposed: and a controller, configured to obtain a target video resource and one or more recommended video resource associated with the target video resource; control the display layer to present the target video resource and output audio of the target video resource; and control the render layer to present the one or more recommended video resource simultaneously.

Abstract: A deep learning-based method for predicting the settleability of activated sludge includes: (1) collecting a plurality of activated sludge samples, acquiring raw data of images of the plurality of activated sludge samples, cleaning the raw data of the images, and standardizing data sizes of the images; (2) calculating a sludge volume index (SVI) for each of the plurality of activated sludge samples; (3) establishing, by using a ResNet50 deep neural network, a model for predicting the settleability of activated sludge; and (4) predicting the settleability of a target activated sludge using the model established in (3).

Abstract: A method includes rendering a foveated image that includes a foveated zone and a peripheral zone. The foveated zone has a first set of image data and is rendered at a first pixel resolution and the peripheral zone has a second set of image data and is rendered at a second, lower, pixel resolution. The method also includes packing the first set of image data into a first image block, packing the second set of image data into a second image block, and generating a control packet that includes rendering information associated with the foveated image. The method further includes concatenating the control packet with the first image block and the second image block to form a frame, transmitting the frame to a display unit, parsing the control packet, decoding the control packet to obtain the rendering information, and projecting a display image rendered according to the rendering information.

Abstract: A display system can include a head-mounted display configured to project light to an eye of a user to display virtual image content at different amounts of divergence and collimation. The display system can include an inward-facing imaging system possibly comprising a plurality of cameras that image the user's eye and glints thereon and processing electronics that are in communication with the inward-facing imaging system and that are configured to obtain an estimate of a center of cornea and/or center of rotation of the user's eye, and/or other parameter(s), using data derived from the glint images. The display system may use spherical and/or aspheric cornea models to estimate a location of the corneal center of the user's eye and/or other parameter(s).

Abstract: A heart rate detection module and an electronic device are disclosed. The heart rate detection module includes a substrate, and a light source, an optical receiver, a light blocking portion, and an optical film that are disposed on the substrate. The light blocking portion is disposed between the light source and the optical receiver, so that the light source is optically isolated from the optical receiver. The optical film covers the light source, the light blocking portion, and the optical receiver, and a light filtering portion is disposed on a side that is of the optical film and that faces the substrate.

Abstract: The present disclosure provides methods for combinatorial indexing of nucleic acids of single cells or nuclei. In particular, the methods of the present disclosure result in the incorporation of at least two index sequences within the nucleic acids of single cells or nuclei. The present disclosure further provides methods for generating and sequencing libraries of such indexed nucleic acids.

Abstract: A wearable device includes a left optical stack having a left eyepiece configured to receive left virtual image light, a left accommodating lens, and a left compensating lens. The wearable device also includes a right optical stack having a right eyepiece configured to receive right virtual image light, a right accommodating lens, and a right compensating lens. An optical power of the left accommodating lens is equal in magnitude to an optical power of the left compensating lens, an optical power of the right accommodating lens is equal in magnitude to an optical power of the right compensating lens, and the optical power of the left accommodating lens and the optical power of the right accommodating lens differ by an offset amount.

Abstract: The present disclosure relates to a tactile pattern Super Resolution (SR) reconstruction method and acquisition system, which belong to the field of tactile perception. First, a High Resolution (HR) tactile pattern sample is obtained by using a Low Resolution (LR) tactile sensor; then, a deep learning-based tactile SR model is trained by using a tactile SR data set; and finally, reconstructing the tactile data of a contact surface to be measured as an SR tactile pattern by using the tactile SR model. The present disclosure uses the existing taxel-based LR tactile sensor and adopts a deep learning-based tactile SR reconstruction technology, which can effectively restore the shape of the contact surface, improves the resolution of the tactile sensor, and meanwhile, maintains the characteristics of the sensor being light, flexible, and easy to be integrated into devices, such as a robot.

Abstract: A method of generating foveated rendering using temporal multiplexing includes generating a first spatial profile for an FOV by dividing the FOV into a first foveated zone and a first peripheral zone. The first foveated zone will be rendered at a first pixel resolution, and the first peripheral zone will be rendered at a second pixel resolution lower than the first pixel resolution. The method further includes generating a second spatial profile for the FOV by dividing the FOV into a second foveated zone and a second peripheral zone, the second foveated zone being spatially offset from the first foveated zone. The second foveated zone and the second peripheral zone will be rendered at the first pixel resolution and the second pixel resolution, respectively. The method further includes multiplexing the first spatial profile and the second spatial profile temporally in a sequence of frames.