Abstract: The present disclosure provides a method for generating an animation figure, a device and a storage medium. The method includes: acquiring an image including at least one target object; acquiring position information about key points of the target object in the image; determining target angle information about lines connecting the key points in accordance with the position information about the key points; and adjusting a predetermined animation figure in accordance with the target angle information. A pose of a target animation figure acquired through adjustment is identical to a pose of the target object in the image, and the target animation figure corresponds to the target object.

Abstract: The disclosure relates to inhibitors of PCSK9 useful in the treatment of cholesterol lipid metabolism, and other diseases in which PCSK9 plays a role, having the Formula (I): or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, N-oxide, or tautomer thereof, wherein R1, R1, R1, R1, R1, R1, R1, R1, R1, X1, X2, and X3 are described herein.

Abstract: A handwriting forming method, a handwriting forming apparatus, and an electronic device are provided. The method includes: determining a group of plurality of trajectory points according to a plurality of sampling points on a writing path on a working surface of a touch device, and obtaining trajectory information of each of the plurality of trajectory points, and the trajectory information including a coordinate, a flag bit and a pressure value; establishing a plurality of trajectory units in a raindrop shape corresponding to the plurality of trajectory points based on the trajectory information; determining a connection mode between trajectory units corresponding to adjacent trajectory points based on the trajectory information; and calculating connection points of the trajectory units according to the connection mode, and filling a polygon formed by the connection points of the trajectory units corresponding to the adjacent trajectory points, so as to form a handwriting for displaying.

Abstract: This disclosure relates to a hand-drawn graphic recognition method, apparatus, and system, and a computer-readable storage medium. The hand-drawn graphic recognition method includes: receiving an input of a hand-drawn graphic, the input including a stroke set, the stroke set including at least one stroke, each stroke including an information sequence of a plurality of trajectory points, information of each trajectory point including coordinates and writing time of the trajectory point; determining whether the stroke set forms a closed graphic according to coordinate data of the input stroke; and in the case where the stroke set forms a closed graphic, recognizing a category of the closed graphic based on the coordinate data of the stroke.

Abstract: An athermal arrayed waveguide grating includes a silicon-based substrate and an athermal arrayed waveguide disposed on the silicon-based substrate. The athermal arrayed waveguide includes a cladding layer and a waveguide chip layer, the waveguide chip layer is disposed on the cladding layer and has a refractive index greater than that of the cladding layer; the waveguide core layer includes multilayer structures having a periodic configuration, the multilayer structure includes two layers of silica material and a negative temperature coefficient material disposed between the two layers of silica material; the negative temperature coefficient material is used to compensate for a dimensional deformation of the silicon-based substrate after being heated.

Abstract: A soft X-ray light source, including a vacuum target chamber, a refrigeration cavity, and a nozzle. The refrigeration cavity and the nozzle are contained in the vacuum target chamber. The nozzle (36) is arranged in the refrigeration cavity. The vacuum target chamber has a t-branch tube and a multi-channel tube. The t-branch tube has a first outlet and a second outlet opposed to each other and a third outlet, wherein the first outlet is connected to a mounting plate through which a refrigerant inlet pipe, a refrigerant outlet pipe, and a working gas pipe respectively pass and are connected to the refrigeration cavity, and wherein the third outlet is connected to a vacuum extraction device. The multi-channel tube has a top opening and a bottom opening opposed to each other, wherein the top opening is connected to the second outlet, wherein a vacuum outlet is provided at the bottom opening.

Abstract: A rotor assembly includes a rotor plate to rotate around a first axis; a bucket rotatably attached to the rotor plate and to rotate around a second axis; and a stop plate to rotate around the first axis relative to the rotor plate between an open position and a closed position, when in the closed position, the stop plate is to engage the bucket to fix an angular position of the bucket relative to a plane of rotation of the rotor assembly.

Abstract: Systems that search databases of videos or images to identify similar products in a given video or image of a product are disclosed. The content of the given video is represented by a feature vector used to measure the given video's similarity to either a video or an image. When the system is deployed to recognize particular fashion items in videos, some such videos are taken in uncontrolled settings, and as a result, may have low resolution, poor contrast, minimal focus, motion blur, or low lighting. By recognizing and removing poor quality video frames from the image recognition pipeline, associating products across video frames to form tracklets of each product, and enriching the feature representation of each item for best retrieval result by fusing information from multiple video frames depicting the item, the system addresses the aforementioned shortcomings.

Abstract: A handwriting processing method, a touch display device, a computer device, and a storage medium are provided. The handwriting processing method includes: determining, according to a sample point in a writing track that is input by a user by means of a touch display, a group of track points and a related parameter of each track point, the related parameter including a coordinate parameter and a time parameter; determining, according to the related parameter of each track point, a start position, an end position, and a type of a stroke contained in the writing track, where the type of the stroke includes one of a horizontal stroke, a vertical stroke, a left-falling stroke, a right-falling stroke or a lifting stroke; and determining, according to the type of the stroke, a shape of the start position of the stroke.

Abstract: The disclosure relates to inhibitors of PCSK9 useful in the treatment of cholesterol lipid metabolism, and other diseases in which PCSK9 plays a role, having the Formula (I): or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, N-oxide, or tautomer thereof, wherein X1, R1, R2, R3, R4, R5, R6, R6?, R7, R7?, R8, R9, R9?, R10, R11, R12, and n are described herein.

Abstract: This application discloses a method for controlling a virtual race car based on artificial intelligence (AI). The method includes: controlling, using a client, a first virtual race car to move on a virtual map of a round of racing game, the first virtual race car being a pursuing race car and the first account being an account participating in the round of racing game; displaying, on the client, that an endurance value of a second virtual race car is reduced when a predefined location of the first virtual race car hits the second virtual race car on the virtual map, the second virtual race car being a fleeing race car in the round of racing game controlled by a second account logged into the round of racing game; and displaying, on the client, that the second virtual race car wins the round of racing game when the endurance value of the second virtual race car is greater than a preset threshold for a specified time.

Abstract: Systems that search databases of videos or images to identify similar products in a given video or image of a product are disclosed. The content of the given video is represented by a feature vector used to measure the given video's similarity to either a video or an image. When the system is deployed to recognize particular fashion items in videos, some such videos are taken in uncontrolled settings, and as a result, may have low resolution, poor contrast, minimal focus, motion blur, or low lighting. By recognizing and removing poor quality video frames from the image recognition pipeline, associating products across video frames to form tracklets of each product, and enriching the feature representation of each item for best retrieval result by fusing information from multiple video frames depicting the item, the system addresses the aforementioned shortcomings.

Abstract: This application discloses a method for controlling a virtual race car based on artificial intelligence (AI). The method includes: controlling, using a client, a first virtual race car to move on a virtual map of a round of racing game, the first virtual race car being a pursuing race car and the first account being an account participating in the round of racing game; displaying, on the client, that an endurance value of a second virtual race car is reduced when the first virtual race car hits the second virtual race car on the virtual map, the second virtual race car being a fleeing race car; and displaying, on the client, that the second virtual race car has been removed from the round of racing game when the endurance value of the second virtual race car is no greater than a preset threshold.

Abstract: A handwriting processing method, a touch display device, a computer device, and a storage medium are provided. The handwriting processing method includes: determining, according to a sample point in a writing track that is input by a user by means of a touch display, a group of track points and a related parameter of each track point, the related parameter including a coordinate parameter and a time parameter; determining, according to the related parameter of each track point, a start position, an end position, and a type of a stroke contained in the writing track, where the type of the stroke includes one of a horizontal stroke, a vertical stroke, a left-falling stroke, a right-falling stroke or a lifting stroke; and determining, according to the type of the stroke, a shape of the start position of the stroke.

Abstract: The present disclosure provides a method for generating an animation figure, a device and a storage medium. The method includes: acquiring an image including at least one target object; acquiring position information about key points of the target object in the image; determining target angle information about lines connecting the key points in accordance with the position information about the key points; and adjusting a predetermined animation figure in accordance with the target angle information. A pose of a target animation figure acquired through adjustment is identical to a pose of the target object in the image, and the target animation figure corresponds to the target object.

Abstract: An object behavior analysis method includes: acquiring multiple frames of images to be processed from a video of a target scene; detecting at least one first-type object in any frame of image to be processed, and determining key point information of any first-type object; determining key point merging information of any first-type object in a present image according to key point information of first-type objects in the present image and a reference image group, the present image being any frame of image to be processed during present processing, and the reference image group including at least one frame of image to be processed before the present image; and determining a behavior analysis result of any first-type object in the present image according to the key point merging information of the first-type object in the present image.

Abstract: An athermal arrayed waveguide grating includes a silicon-based substrate and an athermal arrayed waveguide disposed on the silicon-based substrate. The athermal arrayed waveguide includes a cladding layer and a waveguide chip layer, the waveguide chip layer is disposed on the cladding layer and has a refractive index greater than that of the cladding layer; the waveguide core layer includes multilayer structures having a periodic configuration, the multilayer structure includes two layers of silica material and a negative temperature coefficient material disposed between the two layers of silica material; the negative temperature coefficient material is used to compensate for a dimensional deformation of the silicon-based substrate after being heated.

Abstract: The present invention discloses a wavelength controllable arrayed waveguide grating, of which the dispersion equation of the arrayed waveguide grating is: n s ( d 1 · x 1 f 1 - d · x f ) + n c ? ? ? L = m ? ? , where, ? is the work wavelength of the arrayed waveguide grating; ?L is the geometric length difference between the adjacent arrayed waveguides in the waveguide array; m is the multiple of the central wavelength; n_s is the effective refractive index of the free transmission region; n_c is the effective refractive index of the transmission waveguide; d_1 and d represent the distances between the arrayed waveguides in the first free transmission region and the second free transmission region, respectively; f_1 and f are focal lengths of the first slab waveguide and the second slab waveguide, respectively; x_ 1 and x represent the positions of the input waveguide and the output waveguide on the Rowland circle, respectively.

Abstract: An optical receiving engine based on planar waveguide chip includes an arrayed waveguide chip used for receiving an optical signal sent by an optical fiber, an output waveguide of the arrayed waveguide chip with a multi-mode waveguide structure, the light is incident to the arrayed waveguide chip and then being output through the output waveguide, and the light having different wavelengths corresponding to different mode field distributions of the output waveguide; a detector coupled with the arrayed waveguide chip, a photosensitive area of the detector being determined based on a mode field distribution range of the output waveguide; and an amplifier connected to the detector. The shortcoming in the prior art of low coupling efficiency can be solved. Optimizing the photosensitive area of the detector can enable the photosensitive area to match a spot mode field of the waveguide chip, thereby improving the coupling efficiency.

Abstract: A handwriting forming method, a handwriting forming apparatus, and an electronic device are provided. The method includes: determining a group of plurality of trajectory points according to a plurality of sampling points on a writing path on a working surface of a touch device, and obtaining trajectory information of each of the plurality of trajectory points, and the trajectory information including a coordinate, a flag bit and a pressure value; establishing a plurality of trajectory units in a raindrop shape corresponding to the plurality of trajectory points based on the trajectory information; determining a connection mode between trajectory units corresponding to adjacent trajectory points based on the trajectory information; and calculating connection points of the trajectory units according to the connection mode, and filling a polygon formed by the connection points of the trajectory units corresponding to the adjacent trajectory points, so as to form a handwriting for displaying.