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216results about How to "Resolve interruption" patented technology

Video portrait tracking method based on human face identification in complex scenario

ActiveCN105069408AImprove processing speedAvoid face track confusion and false positivesCharacter and pattern recognitionProcess rateFace detection
The invention relates to a video portrait tracking method based on human face identification in a complex scenario. The method comprises the steps that 1) acquired video data are decoded to acquire a series of video frame images; 2) human face detection and object tracking methods are used to process a series of acquired video frame images to acquire all possible human face trajectories; 3) the similarity between each human face trajectory acquired in step 2) and a subsequent human face approaching trajectory is determined, and human face trajectories with the similarity higher than a set threshold are merged; and 4) a merged human face trajectory is output. Compared with the prior art, the method provided by the invention has the advantages of fast processing speed, high detection precision, low false alarm rate and the like. The problems of human face trajectory disruption and confusion, which are caused by human head turning and blocking, can be solved.
Owner:SHANGHAI YITU INFORMATION TECH CO LTD

System based on wireless multi-link bandwidth aggregation

ActiveCN106850455AHigh bandwidthBusiness data load balancingNetworks interconnectionTelecommunicationsMulti link
The invention discloses a system based on wireless multi-link bandwidth aggregation, and belongs to the field of wireless data communication. The system disclosed by the invention comprises two devices: a wireless transmission terminal and an aggregation server. According to a real-time state of each wireless link, a weight value of each link is subjected to dynamic regulation, so that normal transmission of data and stability of a bearer service are effectively ensured. The system is not limited to a category of an operator, a wireless network mode and the like, can be suitable for binding of the same or different bandwidth interfaces, and can sufficiently utilize bandwidth resources of each link. According to the system disclosed by the invention, by binding multiple links, a transmission rate of each link can be reasonably regulated, and effects of increasing a service bandwidth and reinforcing bearing stability are taken.
Owner:HEBEI FAREAST COMM SYST ENG

Multi-starting-point incremental three-dimensional reconstruction method based on large-scale disordered images

The invention discloses a multi-starting-point incremental three-dimensional reconstruction method based on large-scale disordered images. The method comprises the steps of performing image matching, constructing a matching relationship chart, selecting a reconstruction starting point, detecting an edge, performing multi-starting-point three-dimensional reconstruction and splicing a submodel. By means of a clustering strategy and an iteration drift strategy, an image pair which is suitable as starting points is adaptively selected from a disordered image set and reconstruction is performed simultaneously; before reconstruction, determining an optimal reconstruction sub-process of each image according to a layered shortest path first algorithm, and determining a reconstruction boundary; and obtaining a whole three-dimensional reconstruction model according to sub-models obtained in different sub-processes and splicing the common parts contained in the sub-models. The three-dimensional reconstruction method according to the invention has advantages of settling a problem of suspension in reconstruction process when a current scene comprises a plurality of non-overlapped parts, obtaining a whole three-dimensional model which is covered by the image set, preventing three-dimensional structure error caused by matching and transmission of error images, realizing parallel processing in reconstruction sub-process, and improving image reconstruction efficiency.
Owner:HUAZHONG UNIV OF SCI & TECH

Method and device of bidirectional forwarding detection (BFD) oscillation damping

The invention discloses a method and a device of bidirectional forwarding detection (BFD) oscillation damping. When a chain circuit is frequently disconnected intermittently, a line card processing board computes a penalty value through an oscillation damping algorithm and enables a BFD session to be in a damping state according to the corresponding condition; and after the fault of the chain circuit is eliminated, an LP enables the BFD session to be out of the damping state according to the corresponding condition. The method and the device of the invention solve the problem of service interruption caused by continuous extrusion of a SCTP buffer area when a certain chain circuit is frequently disconnected intermittently, so that services can be transmitted through other normal chain circuits, thereby avoiding the interruption of the whole service.
Owner:ZTE CORP

Network protection method, network protection system, controller and equipment

The invention discloses a network protection method, a network protection method system, a controller and equipment, which are used for solving the problem of service interruption in the prior art and improving the network reliability. The network protection method comprises the following steps that the controller receives first warning information reported by the equipment in a network, and determines that cable fracture occurs in a first link; the controller issues link flow table configuration with a link diagnosis mechanism to the equipment until first feedback information sent by the equipment is received or second warning information sent by the equipment is received after preset time, wherein the first feedback information is reported to the controller after the equipment creates a second link according to the received link flow table configuration, the controller determines information that the second link is available, and the second warning information is information that the second link is unavailable and is determined by the controller; after receiving the first feedback information, the controller sends a flow table instruction, wherein the flow table instruction is used for controlling the equipment to replace the first link with the second link, to remove the first link and to add the second link into an original protection group.
Owner:RAISECOM TECH

System and method for performing virtual master-to-slave shift to keep TCP connection

The invention discloses a system and a method for performing master-to-slave shift to keep TCP connection, and relates to the field of TCP connection. The system comprises a master main control board and a slave main control board, the master main control board and the slave main control board have the same structure and function, each of the master main control board and the slave main control board comprises a Hypervisor and a TCP backup and recovery module, and the Hypervisor comprises a protocol control plane. In normal operation, only the protocol control plane of the master main control board operates, and the system enters a backup state; and in the case of failure, the slave main control board works, and the system enters a recovery state: the protocol control plane of the slave main control board operates to obtain TCP data from the TCP backup and recovery module of the slave main control board, so as to correct a TCP window. The system can be used for backing up all TCP data and correcting the TCP window through the backup TCP data when performing the master-to-slave shift in the case of failure, and the TCP connection can be recovered to a normal window state to keep the TCP connection non-interrupted.
Owner:FENGHUO COMM SCI & TECH CO LTD +1

Switchover method of single-service multi-path transmission in heterogeneous network

The invention discloses a switchover method of single-service multi-path transmission in a heterogeneous network. The method is based on a heterogeneous network integration system, and single-service of users is transmitted in multi-path mode by a network supporting seamless switchover and a network which does not support the seamless switchover. In a transmission process, when a transmission link of the network which does not support the seamless switchover is switched over, service transmitted through the network which does not support the seamless switchover is switched over to the network supporting the seamless switchover. When the transmission link of the network which does not support the seamless switchover finishes the switchover, multi-path transmission is recovered. The switchover method of the single-service multi-path transmission in the heterogeneous network is provided and aims at solving the problems of service interruption and data service losing of the multi-path transmission in a switchover process in the prior art. Real-time performance and integration of single-service in the switchover process are guaranteed by switching over the service transmitted by the network which does not support the seamless switchover to the network supporting the seamless switchover.
Owner:XIDIAN UNIV

Dynamic memory control method and dynamic memory control system

The invention provides a dynamic memory control method and a dynamic memory control system, which are used in memory control on a Linux operating system. The method comprises the following steps of: pre-allocating at least one first memory block which is not smaller than a memory mapping region allocating threshold to a user process in a memory mapping region of a process space; dividing the first memory block into at least two second memory blocks with the same sizes; when a process memory application of a memory being not greater than each second memory block is received, allocating the memory of each second memory block to a process corresponding to the process memory application; when the process releases the memory, returning the memory, occupied by the second memory blocks, of the process into the first memory block; and after all of the second memory blocks in the first memory block are released, returning the memory of the first memory block to the Linux operating system. The method and the system can effectively solve the problem that some services requiring repeated application and mass memory block release often cause service interruption of the operating system due to memory exhaust.
Owner:PHICOMM (SHANGHAI) CO LTD

Azimuth trace acquisition method and device for flexible towed linear array sonar noise target

The invention provides an azimuth trace acquisition method and device for a flexible towed linear array sonar noise target so as to effectively solve a problem of target azimuth trace interruption anddeviation caused by flexible towed linear array formation disturbance and underwater acoustic environment complexity, and improve the accuracy of a sonar noise target tracking azimuth trace. The method comprises the following steps: step 1, performing split sub-array frequency domain beam forming on current frame data of an array element channel according to flexible towed linear array array manifold information and a previous frame target orientation; step 2, carrying out target azimuth accurate measurement on the output formed by the frequency domain wave beam according to a processing frequency band; step 3, performing association confirmation on the target angle measurement value of the current frame by using a variable tracking gate, and removing and correcting outliers; and step 4,carrying out smooth filtering processing on the multiple frames of target azimuth values to obtain a stable and continuous target azimuth trace. The device applies the method. According to the invention, the technical problem of improving the accuracy of the sonar noise target tracking azimuth trace is solved.
Owner:NAVAL UNIV OF ENG PLA
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