Abstract: The present disclosure pertains to an apparatus and methods of an imaging device for obtaining images from the walls of luminal organs or a surgical cavity. The device is capable of passage through luminal organs or introduction into surgical cavities, and obtains images by rapidly scanning a focused light beam on the tissue to be imaged and receiving light from the tissue. The device comprises at least one mechanism for projecting a 2-dimensional (2-D) optical pattern, such as a 2-D scanner (508) or a 2-D optical array forming a closed loop scan pattern (506). The device comprises at least one other beam scanning mechanism, such as a rotary or angular scanner (510) such that cycloid scan pattern is formed on the surface to be scanned, and also has embodiments of focusing optics at different regimes of numerical aperture. The disclosure also describes methods for accurate image reconstruction with embodiments of hardware control and post-acquisition processing.

Abstract: The present disclosure provides method and systems for signaling information regarding chroma quantization parameter (QP) offsets. According to some disclosed embodiments, the methods include: determining whether a joint CbCr residual coding is enabled; and in response to the joint CbCr residual coding being determined to be enabled, signaling a syntax element for adjusting chroma quantization parameter (QP) for joint CbCr component at coding unit (CU) level.

Abstract: The present disclosure provides methods and systems for motion compensation. The method can include: determining a plurality of intermediate interpolation coefficients of an interpolation filter, the determining of the plurality of intermediate interpolation coefficients being: based on positions of a plurality of integer samples respectively, and based on fractional reference positions of a plurality of fractional samples respectively; determining a plurality of integer interpolation coefficients of the interpolation filter by rounding the plurality of intermediate interpolation coefficients to a plurality of integers respectively; and applying the plurality of integer interpolation coefficients on a picture to perform motion compensation prediction.

Abstract: The disclosure discloses a display panel and a display device, comprising: an OLED substrate; an optical fingerprint sensor; a first quarter-wave plate; a first linear polarizer provided on one side, away from the OLED substrate, of the first quarter-wave plate; a second quarter-wave plate provided on one side, facing to the optical fingerprint sensor, of the OLED substrate; a second linear polarizer provided on one side, facing away from the OLED substrate, of the second quarter-wave plate and positioned between the second quarter-wave plate and the optical fingerprint sensor.

Abstract: The present disclosure provides systems and methods for constructing a merge candidate list used for video processing. One exemplary method includes: inserting a set of spatial merge candidates to a merge candidate list of a coding block, wherein the set of spatial merge candidates are inserted according to an order of: top neighboring block, left neighboring block, top neighboring block, left neighboring block and above-left neighboring block. The method can further include adding to the merge candidate list at least one of: a temporal merge candidate from collocated coding units, a history-based motion vector predictor (HMVP) from a First-In, First-Out (FIFO) table, a pairwise average candidate, or a zero motion vector.

Abstract: A method in a wireless receiver for estimating a channel. The method includes receiving a signal comprising a plurality of transmission layers, each layer having at least one reference signal according to a predefined reference signal sequence; determining a window size for performing a sampling operation, wherein the operation is performed in a transformed domain of the received signal; selecting a channel tap length, from a range of channel tap lengths, wherein the selection is based on the window size, a noise mean and a noise variance. The channel estimation is performed from a reference signal sequence for the at least one reference signal and based on samples corresponding to the selected channel tap length.

Abstract: The present disclosure provides method and systems for signaling chroma quantization parameter (QP) table. According to some disclosed embodiments, the methods include: receiving a bitstream of video data; determining whether a luma-to-chroma QP mapping table is signaled, based on a first flag in the bitstream; and in response to the first flag being a first value, determining the signaled luma-to-chroma (P mapping table based on the bitstream.

Abstract: A method and an apparatus for processing voice are provided. The method is applied to a decision-making device in communication with a distributed microphone array and the distributed microphone array comprises a plurality of sub-arrays. The method comprises: obtaining, for each sub-array, an awakening voice signal received by each microphone of the sub-array; determining, for each sub-array, a frequency domain signal corresponding to each awakening voice signal of the sub-array, and a first cross-correlation function between every two frequency domain signals; determining an awakened sub-array based on each first cross-correlation function for each sub-array.

Abstract: A decoding method includes: parsing a data stream, and if partitioning an image block with a size of 2N×2N using a quadtree partition pattern is allowed, processing a 2N×N first subimage block and a 2N×N second subimage block or an N×2N first subimage block and an N×2N second subimage block in a constraint subimage processing mode, wherein an image block partition pattern obtained for the partitioned second subimage block and the partitioned first subimage block is different from an image block partition pattern obtained after the 2N×2N image block is partitioned using the quadtree partition pattern, where the 2N×N first subimage block and the 2N×N second subimage block or the N×2N first subimage block and the N×2N second subimage block are obtained by partitioning the image block with the size of 2N×2N.

Abstract: A method, network node and wireless device in a wireless communication system for one of transmitting and receiving a phase-tracking reference signal, PT-RS. The method includes obtaining information about a position in a time domain of a scheduled first demodulation reference signal, DM-RS, in a slot, and one of transmitting and receiving the PT-RS within the slot, the position of the PT-RS depending on the position in the time domain of the scheduled first DM-RS.

Abstract: A motion compensation method includes determining one or more weighting coefficients of a predicted value of a target pixel to be processed according to at least one of a first parameter or a second parameter, and determining the predicted value of the target pixel according to the weighting coefficient. The target pixel is in a boundary pixel block of a current image block. The first parameter is a size of the current image block or a distance between the target pixel and a center position of the current image block. The second parameter is a size of an adjacent image block of the current image block or a distance between the target pixel and a center position of the adjacent image block.

Abstract: The present invention belongs to the field of pharmaceutical technology, specifically disclosing five-membered non-aromatic pyrimidines compounds with the general formulas I. Also including theirs polycrystalline and eutectic, prodrugs and derivatives with same biologically functional, methods for their preparation, and compositions containing one or more of these compounds in the drugs application of treatment and prevention of human immunodeficiency virus.

Abstract: The present invention belongs to the field of pharmaceutical technology, specifically disclosing thiazolopyrimidine compounds with the general formulas I and II. Also including theirs polycrystalline and eutectic, prodrugs and derivatives with same biologically functional, methods for their preparation, and compositions containing one or more of these compounds in the drugs application of treatment and prevention of human immunodeficiency virus.

Abstract: The disclosure relates to a method and apparatus for acquiring spatial division information. The method includes controlling a sound source device to play a first sound signal; obtaining a second sound signal that is a sound signal collected by a sound collecting device when the first sound signal is propagated to the sound collecting device; obtaining direct intensity information based on the second sound signal, wherein the direct intensity information indicates an intensity of a direct sound signal in the second sound signal, wherein the direct sound signal is a sound signal that is generated by the sound source device and reaches the sound collecting device without physical reflection; and obtaining spatial division information based on the direct intensity information, wherein the spatial division information indicates whether the sound source device and the sound collecting device are in a same spatial zone.

Abstract: A measuring device includes a housing and a power source, a conductive detecting unit arranged in the housing and connected with the power source, a carrier facing the conductive detecting unit, connection terminals arranged on the carrier and connected with the power source, and a lifting mechanism configured to control the conductive detecting unit and the carrier to move relatively in the first direction. wherein the The carrying surface of the carrier is parallel to the main surface of the conductive detecting unit, and the first direction is a direction perpendicular to the carrying surface.

Abstract: A decoding method includes: parsing a data stream, and if partitioning an image block with a size of 2N×2N using a quadtree partition pattern is allowed, processing a 2N×N first subimage block and a 2N×2N second subimage block or an N×2N first subimage block and an N×2N second subimage block in a constraint subimage processing mode, wherein an image block partition pattern obtained for the partitioned second subimage block and the partitioned first subimage block is different from an image block partition pattern obtained after the 2N×2N image block is partitioned using the quadtree partition pattern, where the 2N×N first subimage block and the 2N×N second subimage block or the N×2N first subimage block and the N×2N second subimage block are obtained by partitioning the image block with the size of 2N×2N.

Abstract: The embodiments of the present application provide a detection method and a detection device. The detection device includes: a capacitance generation circuit comprising a first capacitance electrode and a second capacitance electrode disposed opposite to each other, and a power source coupled to the first and the second capacitance electrode, the first capacitance electrode is an electrode plate, and the second capacitance electrode comprises n sub-electrodes which are provided to be insulated from each other; at least one capacitance detection circuit coupled to the electrode plate and the sub-electrodes, and configured to detect a capacitance value between the electrode plate and the sub-electrodes in response to a substrate to be tested being placed on one side of the electrode plate; and a controller configured to determine, according to the detected capacitance value, whether a foreign object exists in a region on the substrate to be tested or not.

Abstract: A method for controlling a DC-DC conversion system having power conversion modules, input sensors, an output sensor and a controller, in which each of the power conversion modules has one or more conversion units. The output sensor detects an output signal of the DC-DC conversion system. The input sensors detect input voltage signals located at series-connected first sides of one or more conversion units respectively. The controller receives the output signal and the input voltage signals. The controller generates a first control signal according to the output signal and an output reference signal. The controller generates second control signals according to the input voltage signals and input reference voltage signals. The controller outputs a modulation signal corresponding to a corresponding one of the second control signals according to the first control signal and the corresponding second control signal, to control switches of a corresponding conversion unit.

Abstract: A computer in a vehicle includes first and second electronic control units (ECUs). The first and second ECUs are programmed to monitor, respectively, a first operating condition and a second operating condition. Each operating condition includes one of path deviation, lane width, user awareness, or steering torque. The second ECU is programmed to monitor the second operating condition according to a protocol with a security measure. The first or second ECU is further programmed to control vehicle operation based on the first or second operating condition.