Abstract: A video decoder can be configured to determine that a block of the video data is formatted in accordance with a 4:4:4 video coding format; determine that the block of the video data is encoded in an intra prediction mode; determine that a smallest chroma intra prediction unit (SCIPU) is disabled for the block in response to determining that the block has the 4:4:4 video coding format; decode the block of the video data based on the determination that the SCIPU is disabled; and output decoded video data comprising a decoded version of the block.

Abstract: The present disclosure relates to an integrated chip that has a light sensing element arranged within a substrate. An absorption enhancement structure is arranged along a back-side of the substrate, and an interconnect structure is arranged along a front-side of the substrate. A reflection structure includes a dielectric structure and a plurality of semiconductor pillars that matingly engage the dielectric structure. The dielectric structure and semiconductor pillars are arranged along the front-side of the substrate and are spaced between the light sensing element and the interconnect structure. The plurality of semiconductor pillars and the dielectric structure are collectively configured to reflect incident light that has passed through the absorption enhancement structure and through the light sensing element back towards the light sensing element before the incident light strikes the interconnect structure.

Abstract: An illustrative method includes obtaining a three-dimensional (3D) mesh of a subject, obtaining a mesh model, and generating a hybrid mesh of the subject. The generating includes replacing a portion of the 3D mesh with the mesh model such that the hybrid mesh includes a non-replaced portion of the 3D mesh represented at a first resolution and the mesh model representing the replaced portion of the 3D mesh at a second resolution.

Abstract: Vehicle door unlocking control methods, apparatuses, and systems for vehicles. The vehicle door unlocking control method can be carried out by the apparatuses and systems and includes: obtaining an acquisition trigger signal; controlling, based on the acquisition trigger signal, a first camera assembly disposed on a vehicle to acquire a first face image of a user; performing feature matching between the first face image and a pre-stored second face image; performing living body detection on the first face image; and sending a vehicle door unlocking instruction to at least one vehicle door lock of the vehicle in response to successful feature matching and successful living body detection. This door unlocking solution may be used to provide face-based vehicle door opening in a safe, convenient and reliable manner.

Abstract: A composite for generating hydrogen includes several core-shell structures, each of which include a silicon-containing core and a shell covering the surface of the silicon-containing core. The shell includes a hydrophilic layer covering the surface of the silicon-containing core and an alkali material covering the hydrophilic layer.

Abstract: The present disclosure provides a two-dimensional antenna system. The two-dimensional antenna system includes a transmitting antenna array and a receiving antenna array. The transmitting antenna array includes one or more circularly polarized transmitting antennas having a first direction of rotation. The receiving antenna array includes two or more first circularly polarized receiving antennas having a second direction of rotation arranged in a first direction, and two or more second circularly polarized receiving antennas having the second direction of rotation arranged in a second direction. The first direction is perpendicular to the second direction, and the first direction of rotation is opposite to the second direction of rotation.

Abstract: A video decoder may be configured to determine a motion vector and a motion vector precision for a current block; identify a current block template within the current picture; search within a search area for a final reference block template that corresponds to the current block template, wherein to search within the search area, the one or more processors are further configured to: identify an initial reference block template based on the motion vector, search other reference block templates around the initial reference block template using a step size that is set to an initial step size, and iteratively reduce the step size from the initial step size until the step size is set to a final step size that equals the motion vector precision; determine a prediction block for the current block based on the final reference block template.

Abstract: An embodiment of the method receives input data associated with a current block in a current picture at a video encoder or receiving a video bitstream corresponding to compressed data including the current block in the current picture at a video decoder, wherein the current block is coded or to be coded in an affine mode according to an affine motion model; calculates and storing affine parameters for a plurality of coded blocks in the current picture; retrieves the affine parameters of one or more coded blocks from the temporal buffer; derives an affine candidate including affine motion vectors using the retrieved affine parameters of the neighboring block; and encodes or decodes the current block by predicting the current block using one or more motion compensated blocks by the derived affine candidate.

Abstract: An example device for decoding video data includes one or more processors configured to: determine that a first weight and a second weight are specified for a bi-prediction mode predicted current block of video data; determine whether the current block is to be predicted using multi-hypothesis prediction (MHP) mode with the bi-prediction mode as a base mode; in response to determining that the current block is to be predicted using the MHP mode with the bi-prediction mode as the base mode, determine an additional inter-prediction mode of the MHP mode; generate a first prediction block according to the bi-prediction mode; generate a second prediction block according to the additional inter-prediction mode; generate a final prediction block for the current block according to the MHP mode using the first prediction block and the second prediction block; and decode the current block using the final prediction block.

Abstract: A method of decoding video data includes determining that bi-directional optical flow (BDOF) is enabled for a block of the video data; dividing the block into a plurality of sub-blocks based on the determination that BDOF is enabled for the block, determining, for each sub-block of one or more sub-blocks of the plurality of sub-blocks, respective distortion values, determining that one of per-pixel BDOF is performed or BDOF is bypassed for each sub-block of the one or more sub-blocks of the plurality of sub-blocks based on the respective distortion values, determining prediction samples for each sub-block of the one or more sub-blocks based on the determination of per-pixel BDOF being performed or BDOF being bypassed, and reconstructing the block based on the prediction samples.

Abstract: Example devices and techniques for multi-pass decoder-side motion vector refinement (DMVR) are disclosed. An example device includes memory configured to store video data and one or more processors coupled to the memory. The one or more processors are configured to apply a multi-pass DMVR to a motion vector for a block of the video data to determine at least one refined motion vector and decode the block based on the at least one refined motion vector. The multi-pass DMVR includes a block-based first pass, a sub-block-based second pass, and a sub-block-based third pass.

Abstract: Systems and methods for UAV safety are provided. An authentication system may be used to confirm UAV and/or user identity and provide secured communications between users and UAVs. The UAVs may operate in accordance with a set of flight regulations. The set of flight regulations may be associated with a geo-fencing device in the vicinity of the UAV.

Abstract: An integrated chip having an integrated function capable of providing cell image and biochemical detection is provided and includes a sequentially stacked and sealed laminate set. The laminate set includes an upper laminate, a middle laminate and a lower laminate. The upper laminate composed of one or more plates and having one or more holes for sample injection and sample or air discharging of. The middle laminate composed of one or more plates includes at least two hollow structures that define an imaging chamber and a biochemical detection area. The lower laminate includes at least one filtering element and at least one electrode sensing element disposed in the biochemical detection. The filtering element is for blocking suspended particles, and the electrode sensing element has electrode terminals for connecting to instruments or equipment to perform the measurements and analysis of electrochemistry and impedance.

Abstract: Disclosed is an optical system using image restoration, including a light source, a pinhole, a testing platform, an image sensor and an image processing device. The pinhole is disposed on a light transmission path of the light source. The testing platform is disposed on the light transmission path of the light source and the pinhole is located between the light source and the testing platform. The testing platform is used to place a testing sample. The image sensor is disposed below the testing platform, and used to sense the testing sample so as to output an optical diffraction signal. The image processing device is electrically connected to the image sensor and used to perform signal processing and optical signal recognition on the optical diffraction signal of the testing sample so as to obtain a clear image of the testing sample.

Abstract: A high throughput lensless imaging method and system thereof are provided. The system mainly includes a light source, an optical panel, and an optical image sensing module. The light source is used to generate light with a specific wavelength to illuminate. The optical panel corresponds to the light source and includes an optical pinhole that corresponds to the light source such that the light generated by the light source passes through the optical pinhole. The position of the optical image sensing module corresponds to the other surface of the optical panel, and the optical image sensing module includes a sensing unit to receive an optical diffraction signal formed after the light source illuminates an object. The sensing unit is electrically connected to a computing unit that is used to compute after receiving the optical diffraction signal transmitted by the sensing unit, so as to perform the computation and reconstruction of an image.

Abstract: Described herein are methods and compositions related to the modulation of progranulin expression or activity in the brain for the treatment of neurodegenerative diseases.

Abstract: A display device includes a first substrate, a red sub-pixel, a green sub-pixel, a blue sub-pixel, a plurality of photosensitive devices, and a second substrate. The red sub-pixel, the green sub-pixel, and the blue sub-pixel are located on a first side of the first substrate. The photosensitive devices are located on the first side of the first substrate. Each of the photosensitive devices overlaps at least one of the red sub-pixel, the green sub-pixel, and the blue sub-pixel. Each of the photosensitive devices includes an active element and a photosensitive element. The active element is located on the first substrate. The photosensitive element is electrically connected to the active element. The second substrate overlaps the first substrate.

Abstract: Provided is a method of improving urogenital health, including administering to a subject a composition including an effective amount of a Lactobacillus johnsonii strain deposited under the accession number of DSM 33288 or a metabolite thereof. The Lactobacillus johnsonii strain, which is a probiotic, and metabolites thereof inhibit the growth of common pathogenic bacteria and fungi causing genitourinary tract infections, thereby reducing the risk of genitourinary tract infections or alleviating symptoms thereof. Also provided is a composition for improving urogenital health which includes the Lactobacillus johnsonii strain.

Abstract: A method of decoding video data may comprise decoding data from an encoded bitstream to generate motion vectors and performing a decoder-side motion vector refinement (DMVR) process on one or more of the motion vectors. Performing the DMVR process may include determining one or more characteristics of current video block being decoded and determining a search area for the DMVR process for the current video block based on the determined one or more characteristics of the current video block.

Abstract: A foldable display device includes a first panel having a first flat portion and a first bending portion at one side of the first flat portion. The first bending portion has a first bending axis around which the first bending portion rotates. The foldable display device also includes a second panel having a second flat portion and a second bending portion at one side of the second flat portion. The second bending portion has a second bending axis around which the second bending portion rotates. The first bending portion and the second bending portion are arranged adjacent to each other.