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38 results about "Snapshot (computer storage)" patented technology

In computer systems, a snapshot is the state of a system at a particular point in time. The term was coined as an analogy to that in photography. It can refer to an actual copy of the state of a system or to a capability provided by certain systems.

Face snapshot method, computer storage medium and electronic equipment

The invention provides a face snapshot method, a computer storage medium and electronic equipment. The method comprises the following steps: S1, acquiring an input video image; s2, judging whether aninput video image is an initial frame or not, if the input video image is the initial frame, performing face detection on the video image to realize face frame positioning, and if the input video image is not the initial frame, performing face tracking on the video image to realize face frame positioning; and S3, key point detection is performed on the face obtained through face frame positioning,and the face with the positive key point position is selected to output face frame information. According to the face snapshot method provided by the embodiment of the invention, the average time consumption of single-frame face positioning can be greatly reduced; according to the invention, the key point model with the face confidence coefficient is adopted to carry out face optimization duplicate removal, repeated comparison of the same person in a short time is avoided, and through optimization, the face with the positive key point is selected and sent to the background for comparison, sothat the efficiency of the face recognition system can be well improved.
Owner:GOSUNCN TECH GRP

Data replication method and device and computer storage medium

The invention discloses a data replication method and device and a computer storage medium, and belongs to the field of data storage. A first storage device obtains a modified data block of a first snapshot of a logical volume of the first storage device for a second snapshot of the logical volume, and determines a target data segment in the second snapshot according to a target storage address of the modified data block in the logical volume, then, similar data blocks corresponding to the modified data blocks are searched in the target data segments, and when the target data segments contain the similar data blocks corresponding to the modified data blocks, the modified data blocks are sent to the target data segments; and the first storage device sends storage address description information containing the similar data blocks and copy information of difference information of the modified data blocks relative to the similar data blocks to the second storage device. The data volume of the copy information sent by the first storage device to the second storage device is smaller than the data volume of the modified data block, so that the network bandwidth occupied by the modified data in the transmission incremental data is reduced, and the network overhead is reduced.
Owner:HUAWEI TECH CO LTD

Motor vehicle snapshot method, motor vehicle snapshot device and computer storage medium

The invention discloses a motor vehicle snapshot method, a motor vehicle snapshot device and a computer storage medium, and the method comprises the steps: obtaining a real-time monitoring image, obtaining motor vehicle information and non-motor vehicle information in the real-time monitoring image, extracting motor vehicle key points of a motor vehicle based on the motor vehicle information, and storing the motor vehicle key points in the computer storage medium; non-motor vehicle key points of the non-motor vehicles are extracted based on the non- And when the position relationship between the motor vehicle key point and the preset motor vehicle snapshot line meets a first snapshot condition and the position relationship between the non-motor vehicle key point and the preset non-motor vehicle snapshot line meets a second snapshot condition, capturing a motor vehicle image in the real-time monitoring picture. According to the motor vehicle snapshot method, the snapshot line is preset on the real-time monitoring picture, the target motor vehicle in the real-time monitoring picture is subjected to real-time snapshot according to the relative distance relation between the key point positions of the motor vehicle and the non-motor vehicle and the snapshot line, and the snapshot effect of high capture rate and accuracy can be achieved.
Owner:ZHEJIANG DAHUA TECH CO LTD

Snapshot recognition method, device and system and computer storage medium

The invention discloses a snapshot recognition method, device and system and a computer storage medium. The method comprises the steps that initial resolution configuration information is sent to an image sensor through a first communication data line, so that the image sensor is initialized; a plurality of different pieces of pre-cached real-time resolution configuration information are sent to the image sensor according to the time sequence through the first communication data line; control information is sent to the FPGA through a second communication data line, so that the FPGA starts to output a time sequence control signal to the image sensor; the initial resolution configuration information and each piece of real-time resolution configuration information respectively correspond to a unique time sequence control signal; all snapshot picture data generated by the image sensor according to all the time sequence control signals are obtained through the differential data line and recognized. According to the invention, once the image sensor generates the snapshot picture, real-time identification can be carried out, so that the real-time performance is ensured. And a GPU identification card does not need to be inserted into an on-site industrial personal computer for identification, so that the problem of poor stability of the industrial personal computer is avoided.
Owner:杭州惠航科技有限公司

Snapshot recognition method, device, system and computer storage medium

The invention discloses a snapshot recognition method, a device, a system and a computer storage medium. The method comprises the steps that initialization configuration information is sent to an image sensor through a first communication data line, so that the image sensor is initialized; the image sensor works in different working modes according to different initial configuration information; each working mode corresponds to the resolution of one captured picture, wherein the resolution ratio can reach 8K (7680 * 4320), so that the captured picture is very clear; the control information is sent to a field programmable gate array (FPGA) through a second communication data line, so that the FPGA starts to output a time sequence control signal to an image sensor; and acquiring snapshot picture data generated by the image sensor according to the time sequence control signal through the differential data line, and recognizing the snapshot picture data. According to the invention, once the image sensor generates the snapshot picture, real-time recognition can be carried out, so that the real-time performance is ensured. A GPU recognition card does not need to be inserted into an on-site industrial personal computer for recognition, so that the problem of poor stability of the industrial personal computer is avoided.
Owner:杭州惠航科技有限公司
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