CN110740290B - Monitoring video previewing method and device - Google Patents
Monitoring video previewing method and device Download PDFInfo
- Publication number
- CN110740290B CN110740290B CN201810805624.9A CN201810805624A CN110740290B CN 110740290 B CN110740290 B CN 110740290B CN 201810805624 A CN201810805624 A CN 201810805624A CN 110740290 B CN110740290 B CN 110740290B
- Authority
- CN
- China
- Prior art keywords
- preview
- monitoring video
- video
- monitoring
- user terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 279
- 238000000034 method Methods 0.000 title claims abstract description 75
- 230000004044 response Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 17
- 238000004364 calculation method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 206010017367 Frequent bowel movements Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Closed-Circuit Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The embodiment of the application provides a monitoring video previewing method and device. The method comprises the following steps: the method comprises the steps that a user terminal responds to user operation and sends a monitoring video preview request to video storage equipment, wherein the monitoring video preview request comprises a monitoring video to be previewed and a time sequence of each key frame in the monitoring video; the video storage device searches a corresponding monitoring video and a plurality of key frames of the monitoring video according to the monitoring video preview request and sends the key frames to the user terminal; the user terminal plays the monitoring video and decodes the plurality of key frames in the playing process to obtain a plurality of corresponding preview pictures; and displaying the plurality of preview pictures on the current playing node of the monitoring video in a preview axis form. Therefore, the preview information is more by presenting the plurality of preview pictures in the form of the preview axis, the user is helped to quickly preview the monitoring video and find the interesting event more quickly, and in addition, the application consumes less calculation performance and can be suitable for different terminal platforms.
Description
Technical Field
The application relates to the field of video monitoring, in particular to a monitoring video previewing method and device.
Background
In the field of video monitoring, when a user queries a monitoring video of an interest event in the monitoring video, the user often queries the monitoring video by the time point of the occurrence of the interest event. However, the query process can be time consuming when the user does not know the specific time at which the event occurred. At this time, the conventional processing method of the user is to drag the time axis to play the monitoring video for searching, or to browse and query in fast forward and fast backward manners, and the two searching manners have low efficiency. Therefore, under the condition that the user does not know the occurrence time of the interesting event, the video recording search cannot be carried out quickly and conveniently.
Disclosure of Invention
In order to overcome the above-mentioned deficiencies in the prior art, the present application aims to provide a method and an apparatus for previewing a surveillance video, so as to solve or improve the above-mentioned problems.
In order to achieve the above purpose, the embodiments of the present application employ the following technical solutions:
in a first aspect, an embodiment of the present application provides a monitoring video previewing method, which is applied to a monitoring video previewing system, where the monitoring video previewing system includes a video storage device and a user terminal that are communicatively connected to each other, and the method includes:
the user terminal responds to user operation and sends a monitoring video preview request to the video storage device, wherein the monitoring video preview request comprises a monitoring video to be previewed and a plurality of time sequences in the monitoring video;
the video storage device searches for the monitoring video to be previewed and the key frame corresponding to each time sequence according to the monitoring video previewing request and sends the monitoring video and each key frame to the user terminal;
the user terminal decodes each key frame to obtain a plurality of corresponding preview pictures;
and presenting the plurality of preview pictures on the current playing node of the monitoring video in the form of preview axes.
Optionally, the step of sending, by the user terminal, a monitoring video preview request to the video storage device in response to a user operation includes:
the user terminal responds to user operation and determines a monitoring video to be previewed;
acquiring a current preview image mode and acquiring a plurality of time sequences in the monitoring video according to the current preview image mode, wherein the current preview image mode is a fixed time interval preview mode or a dynamic video segment preview mode;
and sending a monitoring video preview request to the video storage equipment according to the determined monitoring video to be previewed and the plurality of time sequences in the monitoring video.
Optionally, the step of obtaining the time sequence corresponding to each preview image according to the current preview image mode includes:
if the current preview mode is a fixed-duration interval preview mode, generating a plurality of corresponding first time sequences according to the fixed-duration interval preview mode, wherein a fixed-duration interval is arranged between every two adjacent first time sequences;
and if the current preview image mode is a dynamic video segment preview mode, acquiring a plurality of second time sequences in the monitoring video from the video storage device, wherein each second time sequence comprises at least one motion frame.
Optionally, before the step of sending, by the user terminal, a monitoring video preview request to the video storage device in response to a user operation, the method further includes:
the video storage equipment detects the motion frames in the monitoring video to obtain the video recording time of each motion frame;
and generating a plurality of second time sequences in the monitoring video according to the video recording time of each motion frame.
Optionally, the step of obtaining the current preview icon mode includes:
searching user configuration information, and acquiring a current preview image mode from the user configuration information; or
And acquiring a preview image mode matched with the monitoring video from the video storage equipment as a current preview image mode.
Optionally, before the step of sending, by the user terminal, a monitoring video preview request to the video storage device in response to a user operation, the method further includes:
the video storage equipment detects the dynamic examination video segment information in each monitoring video and determines a preview image mode matched with each monitoring video according to the detected dynamic examination video segment information;
and storing the preview image mode matched with each monitoring video.
Optionally, the step of the video storage device searching for the surveillance video to be previewed and the key frame corresponding to each time sequence according to the surveillance video preview request and sending the surveillance video and each key frame to the user terminal includes;
the video storage equipment acquires the corresponding monitoring video of the IPC equipment and a plurality of time sequences in the monitoring video according to the monitoring video preview request;
extracting a plurality of corresponding key frames from the monitoring video based on each time sequence;
and sending the monitoring video and the plurality of key frames to the user terminal.
Optionally, the step of decoding each key frame to obtain a plurality of corresponding preview pictures includes:
acquiring a plurality of first priority key frames behind a current playing node in advance, and decoding the first priority key frames to acquire a plurality of corresponding preview pictures;
and judging whether the number of the acquired preview pictures reaches a preset threshold value, if not, continuously acquiring a plurality of second priority key frames in front of the current playing node, and decoding the plurality of second priority key frames to acquire a plurality of corresponding preview pictures.
In a second aspect, an embodiment of the present application further provides a monitoring video previewing method, which is applied to a user terminal, and the method includes:
responding to user operation, and sending a monitoring video preview request to a video storage device so that the video storage device searches a monitoring video to be previewed and a plurality of key frames of the monitoring video according to the monitoring video preview request, wherein the monitoring video preview request comprises the monitoring video to be previewed and a plurality of time sequences in the monitoring video;
receiving the monitoring video to be previewed and a plurality of key frames of the monitoring video, and decoding each key frame to obtain a plurality of corresponding preview pictures;
and presenting the plurality of preview pictures on the current playing node of the monitoring video in the form of preview axes.
In a third aspect, an embodiment of the present application further provides a monitoring video previewing method, which is applied to a video storage device, where the method includes:
receiving a monitoring video preview request sent by a user terminal, wherein the monitoring video preview request comprises a monitoring video to be previewed and a plurality of time sequences in the monitoring video;
searching for a monitoring video to be previewed and key frames corresponding to each time sequence according to the monitoring video previewing request;
and sending the monitoring video and each key frame to the user terminal so that the user terminal decodes each key frame to obtain a plurality of corresponding preview pictures and then presents the preview pictures on a current playing node of the monitoring video in a preview axis form.
In a fourth aspect, an embodiment of the present application further provides a monitoring video preview device, which is applied to a user terminal, where the device includes:
the first sending module is used for responding to user operation and sending a monitoring video preview request to a video storage device so that the video storage device searches a monitoring video to be previewed and a plurality of key frames of the monitoring video according to the monitoring video preview request, wherein the monitoring video preview request comprises the monitoring video to be previewed and a plurality of time sequences in the monitoring video;
the first receiving module is used for receiving the monitoring video to be previewed and a plurality of key frames of the monitoring video;
the decoding module is used for decoding each key frame to obtain a plurality of corresponding preview pictures;
and the presentation module is used for presenting the preview pictures on the current playing node of the monitoring video in a preview axis form.
In a fifth aspect, an embodiment of the present application further provides a monitoring video preview apparatus, which is applied to a video storage device, where the apparatus includes:
the second receiving module is used for receiving a monitoring video preview request sent by a user terminal, wherein the monitoring video preview request comprises a monitoring video to be previewed and a plurality of time sequences in the monitoring video;
the searching module is used for searching the monitoring videos to be previewed and the key frames corresponding to each time sequence according to the monitoring video previewing request;
and the second sending module is used for sending the monitoring video and each key frame to the user terminal so that the user terminal decodes each key frame to obtain a plurality of corresponding preview pictures and then presents the plurality of preview pictures on a current playing node of the monitoring video in a preview axis form.
In a sixth aspect, an embodiment of the present application further provides a readable storage medium, on which a computer program is stored, where the computer program is executed to control the video storage device or the user terminal to implement the foregoing monitoring video preview method.
Compared with the prior art, the method has the following beneficial effects:
according to the monitoring video previewing method and device provided by the embodiment of the application, firstly, a user terminal responds to user operation and sends a monitoring video previewing request to video storage equipment, wherein the monitoring video previewing request comprises a monitoring video to be previewed and a time sequence of each key frame in the monitoring video. And then, the video storage equipment searches the corresponding monitoring video and a plurality of key frames of the monitoring video according to the monitoring video preview request and sends the key frames to the user terminal. And then, the user terminal plays the monitoring video and decodes the plurality of key frames in the playing process to obtain a plurality of corresponding preview pictures. And finally, presenting the plurality of preview pictures on the current playing node of the monitoring video in the form of preview axes. Therefore, the preview information is more by presenting the plurality of preview pictures in the form of the preview axis, the user is helped to quickly preview the monitoring video and find the interesting event more quickly, and in addition, the application consumes less calculation performance and can be suitable for different terminal platforms.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is an interaction diagram of a surveillance video preview system according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a monitoring video preview method according to an embodiment of the present application;
FIG. 3 is a flowchart illustrating the sub-steps included in step S110 shown in FIG. 2;
FIG. 4 is a representation of a preview axis provided by an embodiment of the present application;
FIG. 5 is a representation of another preview axis provided by embodiments of the present application;
fig. 6 is a schematic diagram of a preview image obtaining method according to an embodiment of the present application;
fig. 7 is another schematic flowchart of a monitoring video preview method according to an embodiment of the present application;
fig. 8 is another schematic flowchart of a monitoring video preview method according to an embodiment of the present application;
FIG. 9 is a functional block diagram of a first video monitoring preview device corresponding to FIG. 7 according to an embodiment of the present application;
fig. 10 is a functional block diagram of a second apparatus for previewing a surveillance video according to an embodiment of the present application, corresponding to fig. 8.
Icon: 10-monitoring video preview system; 100-a user terminal; 110-a first surveillance video preview device; 111-a first sending module; 112-a first receiving module; 113-a decoding module; 114-a presentation module; 200-a video storage device; 210-a second surveillance video preview device; 211-a second receiving module; 212-a lookup module; 213-a second sending module; 300-IPC device.
Detailed Description
In the field of video monitoring, when a user queries a monitoring video of an interest event in the monitoring video, the user often queries the monitoring video by the time point of the occurrence of the interest event. However, the query process can be time consuming when the user does not know the specific time at which the event occurred. At this time, the conventional processing method of the user is to drag the time axis to play the monitoring video for searching, or to browse and query in fast forward and fast backward manners, and the two searching manners have low efficiency. Therefore, under the condition that the user does not know the occurrence time of the interesting event, the video recording search cannot be carried out quickly and conveniently.
In order to solve the above problems, the inventor of the present application finds that, in the process of implementing the technical solution provided by the embodiment of the present application, a panoramic picture is generally collected at regular time and converted into an overlook view preview, and specifically, a video user is quickly previewed through a sliding progress bar, so that the user can quickly preview a video on any platform, the user can conveniently and fully grasp a scene and an event at the moment, and the problem that the user is difficult to quickly locate the occurrence moment of a historical video through the event or the scene is solved.
However, the inventor researches and discovers that only one preview image is presented in the process of dragging the progress bar by adopting the method, and the preview information which can be presented is less. In addition, acquiring a preview image every specified time (for example, 10 seconds) has a limitation that when a time point of interest occurs in 12 seconds, the time point cannot be found through the preview image. In addition, the application range of the preview method for the panoramic camera is limited.
In addition, another currently adopted method is to extract moving frames from a video recording file, and filter out still and unchangeable pictures, so that a user can quickly preview dynamic frame images containing moving targets in the video. The whole process comprises the following steps: extracting dynamic frames from a video source, filtering the dynamic frames, storing the dynamic frames in a database, reading the dynamic frames from the database, retrieving the dynamic frames, skipping the dynamic frames and the like.
The inventor researches and discovers that the method has a plurality of defects, such as high operation complexity of extracting dynamic frames from a video source and filtering the dynamic frames, high performance consumption on the client and inapplicability to the mobile client. In addition, when there is frequent motion in the video source, the amount of information of the motion frame is small, and at this time, the number of preview pictures generated from the dynamic frame is too large, and instead, quick search cannot be achieved. For example, at an intersection where vehicles flow densely, a certain rail is hit, and video recording when a case occurs needs to be searched; at this time, the preview image generated according to the dynamic frame is searched, and the preview image is difficult to be searched quickly.
The above prior art solutions have drawbacks that are the results of practical and careful study of the inventor, and therefore, the discovery process of the above problems and the solutions proposed by the following embodiments of the present application for the above problems should be the contributions of the inventor to the present application in the process of the present application.
In order to solve the above problems, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Please refer to fig. 1, which is an interactive schematic diagram of a monitoring video preview system 10 according to an embodiment of the present application. In this embodiment, the monitoring video preview system 10 includes a user terminal 100 and a video storage device 200 communicatively connected to each other, and may further include at least one IPC device 300 communicatively connected to the video storage device 200.
In this embodiment, the video storage device 200 may be used in cooperation with the IPC device 300 or the video encoder to record the digital video transmitted through the network. Optionally, the Video storage device 200 may be an NVR (Network Video Recorder) device, and may also be a Digital Video Recorder (hard disk Video storage device), which is not limited herein. Specifically, if the NVR device is used, the NVR device can receive, store and manage the digital video code stream transmitted by the IPC device 300 through the network, thereby realizing the advantage of a distributed architecture brought by networking. Through the video storage device 200, the monitoring videos of a plurality of IPC devices 300 can be viewed, browsed, played back, managed and stored at the same time.
In this embodiment, the user terminal 100 is a device having a wireless transceiving function, and may include an indoor or outdoor, handheld, wearable, or vehicle-mounted device, for example, the user terminal 100 may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote medical (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety, a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and so on. The embodiments of the present application do not limit the application scenarios.
In this embodiment, the ipc (ip camera), that is, the network camera, is a new generation camera generated by combining the conventional camera and the network technology, and can generate the collected monitoring videos to the video storage device 200 for storage. The IPC device 300 may generally be composed of a lens, an image, a sound sensor, an a/D converter, an image, a sound, a controller network server, an external alarm, a control interface, and the like.
Referring to fig. 2, a flowchart of a monitoring video previewing method according to an embodiment of the present disclosure is shown, in which the monitoring video previewing method may be implemented by the monitoring video previewing system 10 shown in fig. 1. It should be noted that the monitoring video preview method provided in the embodiment of the present application is not limited by the specific sequence shown in fig. 1 and described below. The method comprises the following specific steps:
in step S110, the user terminal 100 sends a preview request of the monitoring video to the video storage device 200 in response to the user operation.
In this embodiment, optionally, the monitoring video preview request includes a monitoring video to be previewed and a plurality of time sequences in the monitoring video. The time sequence may be understood as a time period, each time sequence has a key frame corresponding to the time sequence, and the key frame may be used to express an event occurring in the time sequence, for example, the key frame may be the beginning or the end of the time period corresponding to each time sequence, and may be specifically set according to actual design requirements. It should be noted that in other embodiments, each time sequence may include not only one key frame, but also multiple key frames may be selected for expressing events occurring in the time sequence in the practical application.
As an embodiment, referring to fig. 3 in combination, the step S110 may be implemented by the following sub-steps:
and a substep S111, responding to the user operation, and determining the monitoring video to be previewed.
In this embodiment, a user may select to preview a monitoring video acquired by an IPC device 300 through the display interface of the user terminal 100, and the user terminal 100 responds to a user operation to determine the monitoring video to be previewed.
And a substep S112, obtaining a current preview picture mode and obtaining a plurality of time sequences in the monitoring video according to the current preview picture mode.
Optionally, in this embodiment, according to different usage scenarios, the current preview mode may be a fixed time interval preview mode or a dynamic video segment preview mode.
For example, if a motion event occurs frequently in a scene of monitoring a video, the information amount of the motion event is small, so that a fixed time interval preview mode is used, and a user can conveniently and quickly find the video.
For another example, if the motion detection events occur infrequently in the scene of the surveillance video, the motion detection video segments are fewer at this time, and the significance of viewing the preview image of the motion detection video is greater, at this time, a preview mode of the motion detection video segments can be used, so that the user can quickly view the preview image at the motion detection time, and the user can conveniently find the interesting events.
Optionally, the mode of obtaining the current preview image mode may be by searching for user configuration information and obtaining the current preview image mode from the user configuration information, that is, the user may manually set the current preview image mode through the user terminal 100, and the user terminal 100 may obtain the current preview image mode by searching for the user configuration information.
Alternatively, the user may set the current preview image mode to the adaptive mode, that is, the user terminal 100 may obtain the preview image mode matched with the monitoring video from the video storage device 200 as the current preview image mode. Specifically, before step S110, the video storage device 200 may detect the live action video segment information in each of the surveillance videos, and determine the preview image pattern matched with each of the surveillance videos according to the detected live action video segment information. For example, if the number of times of the motion picture segments occurring in a certain surveillance picture per hour is detected to be more than five times, the fixed time interval preview mode may be used, and if the number of times of the motion picture segments occurring in a certain surveillance picture per hour is detected to be less than five times, the motion picture segment preview mode may be used. Then, the preview graph mode matched with each monitoring video is stored, so that the subsequent user terminal 100 can directly acquire the preview graph mode matched with the monitoring video needing to be previewed.
After the current preview picture mode is obtained, the user terminal 100 obtains a plurality of time sequences in the monitoring video according to the current preview picture mode.
In an embodiment, if the current preview mode is a fixed-duration interval preview mode, generating a plurality of corresponding first time sequences according to the fixed-duration interval preview mode, where two adjacent first time sequences have a fixed-duration interval therebetween. The user configuration may configure a fixed duration interval, which may be 1 minute, 5 minutes, 10 minutes, 30 minutes, 60 minutes, and the like, and is not particularly limited herein. The fixed time interval is 5 minutes, and the monitoring time of the monitoring video is from 11: starting with 50 as an example, if each key frame is the beginning of the time segment corresponding to the first time sequence, the first time sequence is 11:50, 11:55, 12:00, 12:05 … …, respectively.
In another embodiment, before the step S210, the video storage device 200 may further detect a motion frame in each monitoring video to obtain a video recording time of each motion frame, and then generate a plurality of second time sequences in the monitoring video according to the video recording time of each motion frame. Therefore, if the current preview image mode is the dynamic video segment preview mode, the user terminal 100 may obtain a plurality of second time sequences in the monitoring video from the video storage device 200, where each of the second time sequences includes at least one motion frame. In the above process, the user terminal 100 acquires the second time sequence of the motion frames from the video storage device 200, and this scheme has low performance consumption on the user terminal 100, and thus can be widely applied to various platforms including mobile clients.
Optionally, the video storage device 200 may further detect a motion frame in each monitoring video, and the video recording time of each motion frame may be obtained by:
first, the luminance value of each frame is defined as H, i.e., the luminance of the ith frame is H (i).
And then, starting motion frame detection every n frames, judging whether the frame i is a motion frame, calculating the brightness difference between the frame i and the frame i-n at the moment, if the brightness difference is greater than a threshold value T, namely, | H (i) -H (i-n) | > T, judging that the frame i is the motion frame, acquiring the video recording time of the frame i at the moment, continuing to acquire the next motion frame, and repeating the steps to obtain the video recording time of each motion frame. Thus, a plurality of second time series in the monitoring video can be obtained.
N and T may be set according to an actual situation, for example, n may be set to 4, and a value of T directly affects sensitivity of the motion detection, and in general, T may be set to 10.
It should be noted that, this is only one method for determining a motion frame, and those skilled in the art may also achieve the effect of detecting a motion frame in other ways, which all belong to the protection scope of the present embodiment.
Thus, through this sub-step, the user terminal 100 can acquire the time series corresponding to each key frame.
And a substep S113, sending a monitoring video preview request to the video storage device 200 according to the determined monitoring video to be previewed and the plurality of time sequences in the monitoring video.
In this embodiment, after determining the monitoring video to be previewed and the time sequence corresponding to each key frame in the monitoring video, a monitoring video previewing request is sent to the video storage device 200.
Step S120, the video storage device 200 searches for a corresponding monitoring video and a key frame corresponding to each time sequence according to the monitoring video preview request, and sends the monitoring video and each key frame to the user terminal 100.
As an embodiment, first, the video storage device 200 obtains the corresponding monitoring video of the IPC device 300 and the plurality of time sequences of the monitoring video according to the monitoring video preview request. Next, a plurality of corresponding key frames are extracted from the monitoring video based on each time series, and the monitoring video and the plurality of key frames are sent to the user terminal 100. For example, if the current preview mode of the user terminal 100 is the fixed-duration preview mode and the time sequences are 11:50, 11:55, 12:00, and 12:05 … …, respectively, the video recording storage device 200 obtains the key frames of 11:50, 11:55, 12:00, and 12:05 … … from the monitoring video. For another example, if the current preview mode of the user terminal 100 is the dynamic review recording segment preview mode, and the second time series are respectively 10: 45, 12:00, 12:42 and 12:51, respectively obtaining 10: 45, 12:00, 12:42, 12: 51.
In step S130, the user terminal 100 decodes each of the key frames to obtain a plurality of corresponding preview pictures.
Step S140, presenting the preview pictures on the current playing node of the monitoring video in the form of preview axes.
In this embodiment, the user terminal 100 obtains the preview picture corresponding to each key frame, and presents the plurality of preview pictures on the current playing node of the monitoring video in the form of the preview axis, so that more preview information is available, which can help the user to preview the monitoring video quickly and find the interesting event quickly.
For an example, the presentation schematic of the preview axis refers to fig. 4-5. In fig. 4-5, the playback interface, that is, the playing interface of the surveillance video, may be respectively included from top to bottom, the preview axis is used to present a plurality of preview pictures, and the time axis is used to present the surveillance time in the surveillance video.
Each preview screen represents a preview screen of a video at a moment, and the lower left corner of the preview screen is the "start time" of the surveillance video, such as "12: 00" in fig. 4. The preview axis is above the time axis, and the preview picture is supported to slide left and right and selected by clicking. By sliding the preview axis, after the sliding action is stopped, the playback interface is opened to play from the time point, and the time axis below is synchronized to the corresponding time. By sliding the lower time axis, after the sliding action is stopped, the playback interface is opened from the time point, and the upper preview axis is also synchronized with the preview image at the corresponding time point. And when the user clicks and selects the preview picture, playing back the preview picture from the time point corresponding to the preview picture in an open mode.
In fig. 4, the fixed duration preview mode is shown, where the fixed duration interval is 5 minutes, and the preview axis can display, in the whole page, the preview axis is 11:50, 11:55, 12:00, 12:05, 12: 10 preview pictures. Therefore, under the condition that frequent movement exists in the monitoring video, the embodiment can select a proper time interval according to an actual application scene, and then obtain the preview picture according to the time interval and present the preview picture on the preview axis, so that a user can conveniently and quickly find out an interesting event.
In fig. 5, taking the preview mode of the motion video recording segment as an example, the color deepened segment of the time axis in fig. 5 is also the time segment of the motion video recording segment, and the time sequence corresponding to each motion video recording segment is 10: 45, 12:00, 12:42, 12:51, visible in the entire page, the preview axis may show 10: 45, 12:00, 12:42, 12: 51. Therefore, by designing a preview mode of the dynamic examination recording segment combined with the motion detection, the interest time point can be accurately positioned and the preview image can be generated, so that the user can be helped to quickly search.
Based on the design, the embodiment presents a plurality of preview pictures in the form of the preview axis, so that more preview information is provided, the user can be helped to quickly preview the monitoring video and find interesting events more quickly, and in addition, the embodiment consumes less computing performance and can be suitable for different terminal platforms.
Alternatively, referring to fig. 6, since there is a fast sliding condition of the preview axis, a "first-in-last-out" stack space control strategy needs to be used in this case. Specifically, the user terminal 100 may obtain a plurality of first priority key frames after the current playing node in advance during the playing process, decode the plurality of first priority key frames to obtain a plurality of corresponding preview pictures, and judge whether the number of the obtained preview pictures reaches a preset threshold value in real time, if not, continue to obtain a plurality of second priority key frames before the current playing node, and decode the plurality of second priority key frames to obtain a plurality of corresponding preview pictures. For example, when the preview axis is swiftly slid, the preview picture is swiftly slid from picture 1 to picture 100, and the user terminal 100 sequentially acquires the preview pictures from the video recording storage device 200 in the order of "picture 1, picture 2, …, picture 100", this strategy is not reasonable. The reasonable strategy is to preferentially acquire several preview pictures currently displayed by the preview axis, namely the preview picture corresponding to the first priority key frame, and the preview picture which the user has slipped through, namely the preview picture corresponding to the second priority key frame, can be acquired later.
Therefore, in the playing process, the user terminal 100 may obtain N (e.g., 10) preview pictures in advance from the current playing node, so that when the user slides, the user can quickly display the subsequent preview pictures, the waiting time of the user is reduced, and the user experience is improved.
In addition, in order to prevent the storage performance of the user terminal 100 from being affected by the excessive storage of the preview pictures, optionally, the present embodiment may further set the maximum storage number of the preview pictures, for example, set to 1000. After the user terminal 100 acquires the preview picture from the video recording storage device 200, the preview picture may be named in a manner of "device ID + channel ID + time of preview picture" and may be held in the local storage. In this way, when the user terminal 100 subsequently acquires the preview pictures, it may first determine whether the corresponding preview pictures exist in the local storage, specifically, by comparing the names of the preview pictures, if the corresponding preview pictures exist in the local storage, the preview pictures are directly read for use, and if the corresponding preview pictures do not exist in the local storage, the preview pictures are continuously acquired from the video storage device 200 in real time, and the acquisition is stopped until the number of the preview pictures is detected to reach 1000.
The device ID is also the ID of the video storage device 200, the channel ID is also the ID of the IPC device 300 corresponding to the monitoring video, and the time of the preview image is also the time of the preview image in the playing progress. It should be noted that, in other embodiments, the name of the preview picture may also be set based on other rules, and is not limited in this respect.
Further, referring to fig. 7, an embodiment of the present application further provides a monitoring video previewing method, which is different from the above embodiment, and is executed by the user terminal 100 shown in fig. 1, it is understood that steps involved in the monitoring video previewing method to be described next have been described in the above embodiment, specific details of the steps may be described with reference to the above embodiment, and only the steps executed by the user terminal 100 are briefly described below.
Step S210, responding to a user operation, sending a monitoring video preview request to the video storage device 200, so that the video storage device 200 searches for a monitoring video to be previewed and a key frame corresponding to each time sequence according to the monitoring video preview request, where the monitoring video preview request includes the monitoring video to be previewed and a plurality of time sequences in the monitoring video.
Step S220, receiving a surveillance video to be previewed and a plurality of key frames of the surveillance video.
Step S230, decoding each of the key frames to obtain a plurality of corresponding preview pictures.
Step S230, presenting the multiple preview pictures on the current playing node of the monitoring video in the form of preview axes.
Further, referring to fig. 8, an embodiment of the present application further provides a monitoring video previewing method, which is different from the above embodiment, and is executed by the video storage device 200 shown in fig. 1, it is understood that steps involved in the monitoring video previewing method to be described next have been described in the above embodiment, specific details of the steps may be described with reference to the above embodiment, and only the steps executed by the video storage device 200 will be briefly described below.
Step S310, receiving a monitoring video preview request sent by the user terminal 100, where the monitoring video preview request includes a monitoring video to be previewed and a plurality of time sequences in the monitoring video.
Step S320, searching for the surveillance video to be previewed and the key frame corresponding to each time sequence according to the surveillance video preview request.
Step S330, sending the monitoring video and each of the key frames to the user terminal 100, so that the user terminal 100 decodes each of the key frames to obtain a plurality of corresponding preview pictures, and then presents the plurality of preview pictures on a current playing node of the monitoring video in a preview axis form.
Further, referring to fig. 9, corresponding to the monitoring video previewing method in fig. 7, an embodiment of the present application further provides a first monitoring video previewing apparatus 110, where the first monitoring video previewing apparatus 110 is stored in the user terminal 100 and includes a software function module and a computer program. The first video preview device 110 may include the following software functional modules:
the first sending module 111 is configured to send a monitoring video preview request to the video storage device 200 in response to a user operation, so that the video storage device 200 searches for a monitoring video to be previewed and a key frame corresponding to each time sequence according to the monitoring video preview request, where the monitoring video preview request includes the monitoring video to be previewed and a plurality of time sequences in the monitoring video.
The first receiving module 112 is configured to receive the surveillance video to be previewed and a plurality of key frames of the surveillance video.
A decoding module 113, configured to decode each of the key frames to obtain a plurality of corresponding preview pictures.
And a presenting module 114, configured to present the multiple preview pictures on a current playing node of the monitoring video in the form of a preview axis.
Further, referring to fig. 10, a second monitoring video previewing apparatus 210 is further provided in the embodiment of the present application, where the second monitoring video previewing apparatus 210 is stored in the video storage device 200 and includes a software function module and a computer program. The second video preview device 210 may include the following software functional modules:
the second receiving module 211 is configured to receive a monitoring video preview request sent by the user terminal 100, where the monitoring video preview request includes a monitoring video to be previewed and a plurality of time sequences in the monitoring video.
The searching module 212 is configured to search the monitoring videos to be previewed and the key frames corresponding to each time sequence according to the monitoring video previewing request.
A second sending module 213, configured to send the monitoring video and each of the key frames to the user terminal 100, so that the user terminal 100 decodes each of the key frames to obtain a plurality of corresponding preview pictures, and then presents the plurality of preview pictures on a current playing node of the monitoring video in a preview axis form.
It can be understood that, for the specific operation method of each functional module in this embodiment, reference may be made to the detailed description of the corresponding step in the foregoing method embodiment, and no repeated description is provided herein.
To sum up, in the monitoring video previewing method and apparatus provided in the embodiment of the present application, a user terminal firstly responds to a user operation and sends a monitoring video previewing request to a video storage device, where the monitoring video previewing request includes a monitoring video to be previewed and a time sequence of each key frame in the monitoring video. And then, the video storage equipment searches the corresponding monitoring video and a plurality of key frames of the monitoring video according to the monitoring video preview request and sends the key frames to the user terminal. And then, the user terminal plays the monitoring video and decodes the plurality of key frames in the playing process to obtain a plurality of corresponding preview pictures. And finally, presenting the plurality of preview pictures on the current playing node of the monitoring video in the form of preview axes. Therefore, the preview information is more by presenting the plurality of preview pictures in the form of the preview axis, the user is helped to quickly preview the monitoring video and find the interesting event more quickly, and in addition, the application consumes less calculation performance and can be suitable for different terminal platforms.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus and method embodiments described above are illustrative only, as the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
Alternatively, all or part of the implementation may be in software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as an electronic device, server, data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (12)
1. A monitoring video previewing method is applied to a monitoring video previewing system, wherein the monitoring video previewing system comprises a video storage device and a user terminal which are in communication connection with each other, and the method comprises the following steps:
the user terminal responds to user operation and sends a monitoring video preview request to the video storage device, wherein the monitoring video preview request comprises mark information of a monitoring video to be previewed and a plurality of time sequences in the monitoring video;
the video storage device searches for the monitoring video to be previewed and the key frame corresponding to each time sequence according to the monitoring video previewing request and sends the monitoring video and each key frame to the user terminal; the key frame is used for representing events occurring in the time sequence;
the user terminal decodes each key frame to obtain a plurality of corresponding preview pictures; one key frame corresponds to one preview picture;
and presenting the plurality of preview pictures on the current playing node of the monitoring video in the form of preview axes.
2. The method for previewing a surveillance video according to claim 1, wherein the step of sending a request for previewing a surveillance video to the video storage device by the user terminal in response to a user operation comprises:
responding to user operation, and determining a monitoring video to be previewed;
acquiring a current preview image mode and acquiring a plurality of time sequences in the monitoring video according to the current preview image mode, wherein the current preview image mode is a fixed time interval preview mode or a dynamic video segment preview mode;
and sending a monitoring video preview request to the video storage equipment according to the determined monitoring video to be previewed and the plurality of time sequences in the monitoring video.
3. The method for previewing a video recording according to claim 2, wherein the step of obtaining the time sequence corresponding to each preview image according to the current preview image mode comprises:
if the current preview mode is a fixed-duration interval preview mode, generating a plurality of corresponding first time sequences according to the fixed-duration interval preview mode, wherein a fixed-duration interval is arranged between every two adjacent first time sequences;
and if the current preview image mode is a dynamic video segment preview mode, acquiring a plurality of second time sequences in the monitoring video from the video storage device, wherein each second time sequence comprises at least one motion frame.
4. The method of claim 3, wherein before the step of sending a preview request for a video recording to the video storage device by the user terminal in response to a user operation, the method further comprises:
the video storage equipment detects the motion frames in the monitoring video to obtain the video recording time of each motion frame;
and generating a plurality of second time sequences in the monitoring video according to the video recording time of each motion frame.
5. The method for previewing a video recording according to claim 2, wherein said step of obtaining a current preview graphic mode comprises:
searching user configuration information, and acquiring a current preview image mode from the user configuration information; or
And acquiring a preview image mode matched with the monitoring video from the video storage equipment as a current preview image mode.
6. The method of claim 5, wherein before the step of sending a preview request for a video recording to the video storage device by the user terminal in response to a user operation, the method further comprises:
the video storage equipment detects the dynamic examination video segment information in each monitoring video and determines a preview image mode matched with each monitoring video according to the detected dynamic examination video segment information;
and storing the preview image mode matched with each monitoring video.
7. The method for previewing the surveillance video according to claim 1, wherein the step of the video storage device searching the surveillance video to be previewed and the key frames corresponding to each time sequence according to the request for previewing the surveillance video and sending the surveillance video and each key frame to the user terminal comprises;
acquiring a monitoring video of the corresponding IPC equipment and a plurality of time sequences in the monitoring video according to the monitoring video preview request;
extracting a plurality of corresponding key frames from the monitoring video based on each time sequence;
and sending the monitoring video and the plurality of key frames to the user terminal.
8. The method for previewing a video recording according to claim 1, wherein said step of decoding each of said key frames to obtain a plurality of preview pictures comprises:
acquiring a plurality of first priority key frames behind a current playing node in advance, and decoding the first priority key frames to acquire a plurality of corresponding preview pictures;
and judging whether the number of the acquired preview pictures reaches a preset threshold value, if not, continuously acquiring a plurality of second priority key frames in front of the current playing node, and decoding the plurality of second priority key frames to acquire a plurality of corresponding preview pictures.
9. A monitoring video previewing method is applied to a user terminal, and comprises the following steps:
responding to user operation, and sending a monitoring video preview request to a video storage device so that the video storage device searches a monitoring video to be previewed and a plurality of key frames of the monitoring video according to the monitoring video preview request, wherein the monitoring video preview request comprises mark information of the monitoring video to be previewed and a plurality of time sequences in the monitoring video; the key frame is used for representing events occurring in the time sequence;
receiving the monitoring video to be previewed and a plurality of key frames of the monitoring video;
decoding each key frame to obtain a plurality of corresponding preview pictures; one key frame corresponds to one preview picture;
and presenting the plurality of preview pictures on the current playing node of the monitoring video in the form of preview axes.
10. A monitoring video preview method is applied to video storage equipment, and comprises the following steps:
receiving a monitoring video preview request sent by a user terminal, wherein the monitoring video preview request comprises mark information of a monitoring video to be previewed and a plurality of time sequences in the monitoring video;
searching for a monitoring video to be previewed and key frames corresponding to each time sequence according to the monitoring video previewing request; the key frame is used for representing events occurring in the time sequence;
sending the monitoring video and each key frame to the user terminal so that the user terminal decodes each key frame to obtain a plurality of corresponding preview pictures and then presents the preview pictures on a current playing node of the monitoring video in a preview axis form; one key frame corresponds to one preview picture.
11. A monitoring video previewing device is applied to a user terminal, and the device comprises:
the system comprises a first sending module, a second sending module and a monitoring video previewing module, wherein the first sending module is used for responding to user operation and sending a monitoring video previewing request to a video storage device so that the video storage device searches a monitoring video to be previewed and a plurality of key frames of the monitoring video according to the monitoring video previewing request, and the monitoring video previewing request comprises mark information of the monitoring video to be previewed and a plurality of time sequences in the monitoring video;
the first receiving module is used for receiving the monitoring video to be previewed and a plurality of key frames of the monitoring video; the key frame is used for representing events occurring in the time sequence;
the decoding module is used for decoding each key frame to obtain a plurality of corresponding preview pictures; one key frame corresponds to one preview picture;
and the presentation module is used for presenting the preview pictures on the current playing node of the monitoring video in a preview axis form.
12. A monitoring video previewing apparatus is applied to a video storage device, and the apparatus comprises:
the second receiving module is used for receiving a monitoring video preview request sent by a user terminal, wherein the monitoring video preview request comprises mark information of a monitoring video to be previewed and a plurality of time sequences in the monitoring video;
the searching module is used for searching the monitoring videos to be previewed and the key frames corresponding to each time sequence according to the monitoring video previewing request; the key frame is used for representing events occurring in the time sequence;
a second sending module, configured to send the monitoring video and each of the key frames to the user terminal, so that the user terminal decodes each of the key frames to obtain a plurality of corresponding preview pictures, and then presents the plurality of preview pictures on a current playing node of the monitoring video in a preview axis form; one key frame corresponds to one preview picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805624.9A CN110740290B (en) | 2018-07-20 | 2018-07-20 | Monitoring video previewing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805624.9A CN110740290B (en) | 2018-07-20 | 2018-07-20 | Monitoring video previewing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110740290A CN110740290A (en) | 2020-01-31 |
| CN110740290B true CN110740290B (en) | 2021-08-31 |
Family
ID=69234849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810805624.9A Active CN110740290B (en) | 2018-07-20 | 2018-07-20 | Monitoring video previewing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110740290B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112135181B (en) * | 2020-09-22 | 2022-06-03 | 维沃移动通信有限公司 | Video preview method and device and electronic equipment |
| CN112584194A (en) * | 2020-11-13 | 2021-03-30 | 深圳市捷视飞通科技股份有限公司 | Video code stream pushing method and device, computer equipment and storage medium |
| CN114913622A (en) * | 2021-02-10 | 2022-08-16 | 博泰车联网科技(上海)股份有限公司 | Video display method and system of automobile data recorder and computer storage medium |
| CN115348477A (en) * | 2022-04-28 | 2022-11-15 | 武汉众智数字技术有限公司 | Method and system for quickly retrieving videos based on time axis |
| CN117641057A (en) * | 2023-12-06 | 2024-03-01 | 北京达佳互联信息技术有限公司 | Video playing method, device, terminal and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431666A (en) * | 2008-07-18 | 2009-05-13 | 北京网新中广科技发展有限责任公司 | Remote fast browsing method and system for monitoring video |
| CN107370768A (en) * | 2017-09-12 | 2017-11-21 | 中广热点云科技有限公司 | A kind of intelligent television Streaming Media prebrowsing system and method |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444398A (en) * | 2002-03-12 | 2003-09-24 | 中国科学院计算技术研究所 | Video stream index playback system based on key frame |
| CN102143327A (en) * | 2011-03-30 | 2011-08-03 | 北京新岸线网络技术有限公司 | Method and system for categorizing video |
| WO2013056311A1 (en) * | 2011-10-20 | 2013-04-25 | The University Of Sydney | Keypoint based keyframe selection |
| US8787726B2 (en) * | 2012-02-26 | 2014-07-22 | Antonio Rossi | Streaming video navigation systems and methods |
| CN102915755A (en) * | 2012-09-07 | 2013-02-06 | 博康智能网络科技股份有限公司 | Method for extracting moving objects on time axis based on video display |
| CN103327304B (en) * | 2013-06-13 | 2016-04-20 | 北京林业大学 | A kind of flower growth key-frame extraction system based on Accumulation Mechanism |
| CN105338293B (en) * | 2014-08-04 | 2019-01-08 | 杭州海康威视数字技术股份有限公司 | The output display method and device of alert event |
| CN104394379B (en) * | 2014-12-05 | 2017-10-13 | 北京厚吉科技有限公司 | Monitoring video rapid preview system and rapid preview method |
| CN105100961B (en) * | 2015-07-23 | 2018-03-13 | 华为技术有限公司 | Video thumbnail generation method and generating means |
| CN106028068A (en) * | 2016-06-30 | 2016-10-12 | 乐视控股（北京）有限公司 | Video progress content preview method and device, and mobile terminal |
| CN107155138A (en) * | 2017-06-06 | 2017-09-12 | 深圳Tcl数字技术有限公司 | Video playback jump method, equipment and computer-readable recording medium |
| CN107222715A (en) * | 2017-06-15 | 2017-09-29 | 杭州联吉技术有限公司 | A kind of method, device and the computer-readable recording medium of remote playing video |
| CN107835381B (en) * | 2017-10-17 | 2019-11-19 | 浙江大华技术股份有限公司 | It is a kind of to generate dynamic call the roll of the contestants in athletic events as the method and device of preview graph |
-
2018
- 2018-07-20 CN CN201810805624.9A patent/CN110740290B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431666A (en) * | 2008-07-18 | 2009-05-13 | 北京网新中广科技发展有限责任公司 | Remote fast browsing method and system for monitoring video |
| CN107370768A (en) * | 2017-09-12 | 2017-11-21 | 中广热点云科技有限公司 | A kind of intelligent television Streaming Media prebrowsing system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110740290A (en) | 2020-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110740290B (en) | Monitoring video previewing method and device | |
| US7978936B1 (en) | Indicating a correspondence between an image and an object | |
| CN111095939B (en) | Identifying previously streamed portions of media items to avoid repeated playback | |
| US20160366463A1 (en) | Information pushing method, terminal and server | |
| KR102146042B1 (en) | Method and system for playing back recorded video | |
| US10043079B2 (en) | Method and apparatus for providing multi-video summary | |
| CN108062507B (en) | Video processing method and device | |
| CN104427284B (en) | Process the method and apparatus of sport video | |
| CN103491331A (en) | Display control apparatus, display control method, and program | |
| WO2016192501A1 (en) | Video search method and apparatus | |
| US8643672B2 (en) | Instant message analytics of historical conversations in relation to present communication | |
| CN113163230A (en) | Video message generation method and device, electronic equipment and storage medium | |
| CN105872802A (en) | Video playing method and device | |
| WO2015096427A1 (en) | Method and system for locating and searching surveillance video | |
| CN113891105A (en) | Picture display method and device, storage medium and electronic equipment | |
| JP2014095979A (en) | Electronic device, image data processing method and program | |
| CN111583348A (en) | Image data encoding method and device, display method and device, and electronic device | |
| JP6230386B2 (en) | Image processing apparatus, image processing method, and image processing program | |
| JP6214762B2 (en) | Image search system, search screen display method | |
| KR20180017424A (en) | Display apparatus and controlling method thereof | |
| JP5146282B2 (en) | Information processing apparatus, display control method, and program | |
| CN112040304A (en) | Hard disk video recorder system supporting wireless screen projection | |
| CN111159584A (en) | Method, device and computer readable medium for displaying weather information | |
| CN116049490A (en) | Material searching method and device and electronic equipment | |
| CN106294709B (en) | Cloud storage file display method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |