Abstract: Technology herein provides a method, apparatus and computer readable storage medium for use in video encoding. The technology performs operations including pruning interframe candidate modes, based on one or more criteria, to provide a reduced set of candidate modes for encoding a video block, wherein a candidate mode includes an interframe mode type, a set of reference frame types, and one or more dynamic reference list (DRL) candidates, and wherein pruning interframe candidate modes comprises excluding one or more interframe mode types, determining a rate distortion (RD) cost for each of the candidate modes in the reduced set of candidate modes, selecting a candidate mode from the reduced set of candidate modes, based on the lowest RD cost, as a selected interframe mode, and encoding the video block using the selected interframe mode.

Abstract: Disclosed are a method and an apparatus for determining time of arrival, a signal receiving device, and a non-transitory computer readable storage medium. The method for determining time of arrival includes: generating time of arrival correction information according to front edge information of theoretical autocorrelation waveforms of positioning signals having different fading values; calculating a front edge slope corresponding to a front edge reference point of a correlation waveform of an actually received signal; and determining target correction information from the time of arrival correction information according to the front edge slope, and determining the time of arrival of the actually received signal based on the target correction information.

Abstract: A method and device for determining a time of arrival (TOA), a terminal device, and a non-transitory computer-readable storage medium are disclosed. The method may include: determining a detection start time on a correlation waveform based on a leading edge detection threshold; determining a noise threshold on the correlation waveform, and determining a quasi-TOA according to the detection start time; and determining the TOA according to data information in a target area of the correlation waveform and the noise threshold, where the target area is determined based on the quasi-TOA and a detection length.

Abstract: Provided are a frequency-domain data merging method and apparatus, a storage medium, and an electronic apparatus. The method includes: respectively performing up-conversion on baseband data of a plurality of frequency bands in a frequency domain, so as to obtain frequency-domain received data of each frequency band from among the plurality of frequency bands that has been subjected to up-conversion; and merging the frequency-domain received data of each frequency band that has been subjected to up-conversion, so as to obtain merged frequency-domain received data.

Abstract: A method, system and apparatus for recognizing continuous driving style are provided, which involve the intelligent vehicles field. The method comprises: collecting multi-dimensional driving data from a plurality of drivers in daily driving scenarios, segmenting the driving data to obtain a plurality of driving segments, calculating statistical features of each driving segment to determine high-dimensional continuous driving statistical features, reducing dimensionality of the driving statistical features to generate common factors for each driving segment, representing each driving segment with a driving word based on the common factors, representing all the driving segments of a target driver as a driving word sequence, constructing a hierarchical latent model of driving behavior, and inputting the driving word sequence into the hierarchical latent model of driving behavior to determine the continuous driving style of the target driver.

Abstract: The present application provides a wireless sensing method, comprising: performing modeling according to a sensing signal received by antennas, determining a reference state of a sensing environment; calculating a difference between a current sensing signal and the reference state; and determining, according to the difference, a position parameter of a changing sensing object in the sensing environment. The present application further provides a wireless sensing apparatus, a communication device, and a computer storage medium.

Abstract: A camera clamping structure and a photographing device are provided. The camera clamping structure of the present disclosure includes a fixing frame. The fixing frame and a camera imaging module are arranged in parallel along a main optical axis of a camera lens, and the fixing frame encloses a cavity with openings at both ends. The cavity is configured to allow light to pass through the cavity to be received by the camera imaging module. One end of the fixing frame away from the camera imaging module is configured to clamp the lens of the camera. A cavity wall of the fixing frame is provided with an extinction structure.

Abstract: A flip device includes a bracket including a first limit member, a positioning and connection assembly including a second limit member, and a rotation-shaft rocker arm rotatably connected to the bracket through the positioning and connection assembly. The first limit member and the second limit member are configured to mate with each other to enable the rotation-shaft rocker arm and the bracket to be fixed relative to each other at a preset angle.