Abstract: A speed prediction method and apparatus are disclosed.

Abstract: The embodiments of the present application provide a method, apparatus and system for processing an image of a logistics parcel, which can capture an image with a barcode in a proper position. The method comprises: identifying a barcode in a Nth image to acquire position of the barcode in the Nth image, and placing the position into a queue; predicting a position that the barcode would locate in a (N+1)th image to be captured; identifying a barcode in the (N+1)th image to acquire position of the barcode relative to the (N+1)th image; determining whether the position of the barcode in the (N+1)th image matches with the predicted position; if so, placing the information of the barcode in the (N+1)th image into the queue; and after the parcel leaves the field of view, selecting, according to a preset optimal position of the barcode in an image and the information of the barcode placed into the queue, an optimal image from all images captured for the parcel.

Abstract: Systems and methods are provided for hybrid video encoding. An example method includes: acquiring image information; extracting a background image based at least in part on the image information; detecting whether the background image is stable; and performing encoding switching between a background-based encoding method and a non-background encoding method based at least in part on the detection.

Abstract: Disclosed are a network monitoring device, a method, apparatus and system for resetting a password of the network monitoring device, and a server. The method for resetting the password of the network monitoring device includes: a first characteristic code is generated according to encrypted content; the first characteristic code is sent to a server; a password resetting command from the server and a reset password from a client are received, wherein the password resetting command is obtained by encrypting the first characteristic code with adoption of a first key, and returned by the server after receiving the first characteristic code; and the password resetting command is decrypted by adopting a second key, and the password of the network monitoring device is reset by utilizing the reset password, wherein the first key and the second key are a pair of keys in an asymmetric encryption algorithm.

Abstract: Embodiments of the present application disclose a method and apparatus for generating an indoor panoramic video. For each of frames of the fish-eye video, coordinates of each of pixels of this frame in an image coordinate system are converted into coordinates in a spherical coordinate system to obtain a spherical coordinate system-based hemispherical fish-eye image. The frustum parameters of each of the N texture images of N viewing angles for the hemispherical fish-eye image are determined according to a shape of a preset living room. Based on the frustum parameters of each of the N texture images of N viewing angles, the N texture images of N viewing angles for the hemispherical fish-eye image are obtained. The N texture images of N viewing angles are rendered onto the N faces inside the preset living room, to generate the panoramic video image corresponding to the frame. As such, in the embodiment of the present application, a panoramic video image having a stereoscopic effect can be generated.

Abstract: The embodiments of the present application disclose a data recovery method, device, and cloud storage system. A management node constructs a blank metadata database and sets the metadata database to an inaccessible state; reads backup data of configuration data and adds the backup data to the metadata database; obtains index data of data stored in the storage node and adds the index data to the metadata database; and sets the metadata database to an accessible state so as to cause the metadata database to resume service. It can be seen that, after applying the solution, when a metadata database is damaged, a metadata database is reconstructed, and the configuration data and the index data are obtained and added to the reconstructed database, realizing the recovery of the metadata.

Abstract: The embodiments of the present application disclose a method and an apparatus for switching a bit stream type of a video presentation. The method comprises: determining a plurality of video presentations that have been started; determining a current split screen mode according to the number of the started video presentations; determining a bit stream type corresponding to the current split screen mode according to a preset correspondence between split screen modes and bit stream types; and switching a bit stream type of each started video presentation according to the determined bit stream type or bit stream types. The embodiments of the present application avoid a client from running out of memory and crashing.

Abstract: The present disclosure provides a video data storage system, an operation method thereof, and a retrieval server. The video data storage system according to present disclosure includes an index server and at least two storage servers for storing video data. The index server stores a first mapping relationship between a camera identification code and a storage server identification code. Each of the storage server stores a second mapping relationship among a camera identification code, a time range of video data and a physical location of video data in the storage server. The operation method includes: making, by the index server, statistics of an operation hot value of video data operated by all clients, and determining the operation hot value of the video data is greater than a predetermined first threshold; if yes, sending, by the index server, a backup instruction to at least one storage server, to instruct the storage server to back up the video data and update the second mapping relationship.

Abstract: A method, a device and a system for processing startup of a preceding vehicle, wherein, the method for processing startup of a preceding vehicle is applicable to the system for processing startup of a preceding vehicle, the system includes a video sensor and a gravity sensor. The method includes: collecting images in front of a vehicle head of a current vehicle by the video sensor and collecting acceleration information of the current vehicle by the gravity sensor (S102); determining a running state of the current vehicle based on image features in the images in front of the vehicle head and/or the acceleration information (S104); acquiring a movement path of a target object in the images in front of the vehicle head when the running state of the current vehicle is a stationary state (S106); determining whether to generate a reminder for reminding the current vehicle to startup based on the movement path of the target object (S108).

Abstract: Disclosed is a method, apparatus and system for controlling a device applicable to a video capture device (610) in a sound source localization system. A method can include: acquiring a voice signal captured by each of the microphones (620), and acquiring coordinate information of each of the microphones (620) and coordinate information of each of preset positions (S101), calculating a voice power value corresponding to each of the preset positions based on the voice signal captured by each of the microphones (620), the coordinate information of each of the microphones (620) and the coordinate information of each of the preset positions (S102), identifying a preset position with a maximum voice power value, determining the preset position as a position of the sound source, and controlling the video capture device to direct at the position of the sound source (S103).

Abstract: A method and device of processing vehicle passing records, which increase the accuracy of vehicle stop point analysis. The method includes: obtaining a plurality of vehicle passing records of a preset target object during a first preset time period (S102), wherein, the vehicle passing records include a gate number of a gate that the preset target object passes and vehicle passing time when passing the gate; obtaining a plurality of vehicle trajectories of the preset target object based on the plurality of vehicle passing records (S104); performing stop point pre-processing on the vehicle trajectories to obtain pre-processed results (S106); obtaining pre-processed records that meet a first preset condition from the pre-processed results (S108); performing clustering processing on the pre-processed records to obtain clustering processing results; outputting the clustering processing results (S110).

Abstract: Disclosed are a method and system for cloud storage of a video, and method and system for previewing a cloud-stored video. The method for the cloud storage of the video includes: after receiving a video recording plan issued by a platform, a management server determines a target storage device according to a load balancing policy, and issues the video recording plan to the target storage device; the target storage device obtains and stores, according to the video recording plan, a video stream from a front-end device corresponding to the video recording plan; when the target storage device is not able to obtain the video stream from the front-end device, the target storage device sends an alarm to the management server; and after receiving the alarm, the management server issues the video recording plan to other storage devices according to the load balancing policy.

Abstract: Embodiments of the present application provide a method for reading and writing video data in a NAS device. The NAS device is mounted to a block interface of a storage server and includes a plurality of data files, and the correspondence between disk block numbers of block devices and filenames of the data files in the NAS device is stored in the index server. In the present application, a reading or writing request sent by the client device is received, a filename of a data file which data is to be read from or written into is located, and then a reading or writing operation is performed in the data file corresponding to the determined filename in the NAS device. In the present application, a reading or writing operation on a block device is transformed into a reading or writing operation on a data file in a NAS device so that a video cloud storage system can support the NAS device.

Abstract: The hard disk management system includes at least one object server and a managing server. The object server is configured for sending a first request to a managing server to obtain object hard disk information. The managing server is configured for obtaining object hard disk information corresponding to the object server after receiving the first request, and sending the object hard disk information to the object server. The object server is further configured for monitoring and managing a group of object hard disks indicated by the object hard disk information.

Abstract: Provided in an embodiment of the present application are an anti-shake method for a camera and a camera. The method comprises: obtaining current shake data of a camera, wherein the shake data comprises position change data of the camera when the camera shakes, and the shake data is detected by a shake detector; determining, according to a preset relationship between position change of an anti-shake lens for shake compensation and shake data, movement data of the anti-shake lens; and adjusting a position of the anti-shake lens according to the movement data, so that an image sensor captures a shake-compensated image. By applying the embodiment of the present application, anti-shake processing can be performed for the higher or lower frequency shake, improving anti-shake performance.

Abstract: Systems and methods are provided for video display control. An example method includes: determining, by one or more processors, whether a coding frame extracted from a video coding stream is an I Frame; if the coding frame extracted from the video coding stream is an I Frame, acquiring, by the one or more processors, a timestamp of the I Frame and a timestamp of an adjacent coding frame after the I Frame; and controlling, by the one or more processors, display of the I Frame based on the timestamp of the I Frame and the timestamp of the adjacent coding frame after the I Frame.

Abstract: A method and apparatus for voice transmission and reception by a browser and a voice intercom system are provided. The method for voice transmission by a browser includes: collecting first voice data through a built-in audio collection interface of the browser (S101); obtaining a first voice sampling parameter that can be utilized by a target device (S102) to process voice data; sampling the first voice data based on the first voice sampling parameter to obtain target voice data (S103); and transmitting the target voice data to the target device (S104). The method enables a browser to have a function of voice intercom without using a plug-in.

Abstract: A statistical method and device for customer flow volume. The method comprises: obtaining video image information in a preset monitoring area; performing video analysis on the video image information and determining a movement direction of a first target person appearing in the preset monitoring area according to an analysis result; obtaining, through statistics, incoming or outgoing customer flow volume of the actual detection area according to the determined movement direction of the first target person; reading a first terminal identifier, detected by a WiFi detector, of a WiFi terminal apparatus carried by the first target person; judging whether the first terminal identifier is present in a preset terminal identifier database for non-customer personnel; if so, decreasing the incoming or outgoing customer flow volume by 1; otherwise, making no change to the incoming or outgoing customer flow volume.

Abstract: Embodiments of the present disclosure provide a method and apparatus for detecting a license plate.

Abstract: Embodiments of the application disclose a method and apparatus for processing video playing, and relate to the technology field of video. The method includes: obtaining an adjustment instruction for a first video being played; determining whether the first video is being recorded; if the first video is being recorded, acquiring and storing a bit stream of the first video based on a current bit stream type of the first video. With the embodiment of the application, the complete recording of a video is ensured.