CN110225310A - Computer readable storage medium, the display methods of video and device - Google Patents
Computer readable storage medium, the display methods of video and device Download PDFInfo
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- CN110225310A CN110225310A CN201910551499.8A CN201910551499A CN110225310A CN 110225310 A CN110225310 A CN 110225310A CN 201910551499 A CN201910551499 A CN 201910551499A CN 110225310 A CN110225310 A CN 110225310A
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- 238000013507 mapping Methods 0.000 claims abstract description 9
- 238000004590 computer program Methods 0.000 claims description 12
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- 230000001976 improved effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
- G06V20/46—Extracting features or characteristics from the video content, e.g. video fingerprints, representative shots or key frames
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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- 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
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
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Abstract
This application discloses a kind of display methods of video, which includes: the video features for obtaining video and identifying video, divides video at least two segments by video features difference；Attention rate corresponding with each segment is obtained in the mapping table of the video features and attention rate that prestore respectively according to the video features of each segment；The scaling of homologous segment is determined according to the difference of attention rate；The length of the time shaft of each segment is shown according to the control of the scaling of each segment.Disclosed herein as well is a kind of computer readable storage mediums and a kind of display device of video.By the above-mentioned means, the application can be improved user from the efficiency of video acquisition information.
Description
Technical field
The present invention relates to multimedia interactive technical field, more particularly to a kind of computer readable storage medium, video
Display methods and device.
Background technique
With the intelligentized development of security protection, various security protection video monitoring products emerge one after another, and have become concerned by people
Focus.
In safety monitoring, often round-the-clock monitoring, the full-time continual video monitoring of twenty four hours is being called
When monitor video plays out, generally require to devote a tremendous amount of time the information that dragging time shaft progress bar finds needs, this
The efficiency that people obtain useful information in video is seriously affected.
Summary of the invention
The application mainly solving the technical problems that provide a kind of computer readable storage medium, video display methods and
Device can be improved efficiency of the user from video acquisition information.
In order to solve the above technical problems, the technical solution that the embodiment of the present application uses is: providing a kind of showing for video
Show method, display methods includes: the video features for obtaining video and identifying video, by video features difference divide video into
Few two segments；It is obtained in the mapping table of the video features and attention rate that prestore respectively according to the video features of each segment
Take attention rate corresponding with each segment；The scaling of homologous segment is determined according to the difference of attention rate；According to each segment
Scaling control show each segment time shaft length.
In order to solve the above technical problems, another technical solution that the embodiment of the present application uses is: providing a kind of video
Display device, the display device of the video include processor and the memory that is electrically connected with processor, and memory is based on storing
Calculation machine program, processor is for calling computer program to execute above-mentioned method.
In order to solve the above technical problems, another technical solution that the embodiment of the present application uses is: providing a kind of computer
Readable storage medium storing program for executing, for storing computer program, computer program can be called to hold the computer readable storage medium
The above-mentioned method of row.
The embodiment of the present application passes through the video features for obtaining video and identifying video, divides video by video features difference
For at least two segments；According to the video features of each segment respectively in the mapping table of the video features and attention rate that prestore
It is middle to obtain attention rate corresponding with each segment；The scaling of homologous segment is determined according to the difference of attention rate；According to each
The scaling control of segment shows the length of the time shaft of each segment, can be improved effect of the user from video acquisition information
Rate.
Detailed description of the invention
Fig. 1 is the flow diagram of the display methods of the application first embodiment video；
Fig. 2 is the part flow diagram of the display methods of the video of the application second embodiment；
Fig. 3 is the part flow diagram of the display methods of the video of the application 3rd embodiment；
Fig. 4 is the hardware structural diagram of the display device of the embodiment of the present application video.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.It is understood that specific embodiment described herein is only used for explaining the application, rather than to the limit of the application
It is fixed.It also should be noted that illustrating only part relevant to the application for ease of description, in attached drawing and not all knot
Structure.Based on the embodiment in the application, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall in the protection scope of this application.
Term " first ", " second " in the application etc. be for distinguishing different objects, rather than it is specific suitable for describing
Sequence.In addition, term " includes " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as comprising
The process, method, system, product or equipment of a series of steps or units are not limited to listed step or unit, and
It is optionally further comprising the step of not listing or unit, or optionally further comprising for these process, methods, product or equipment
Intrinsic other step or units.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, Fig. 1 is the flow diagram of the display methods of the application first embodiment video.
In the present embodiment, the display methods of video may comprise steps of:
Step S101: obtaining video and identifies the video features of video, divides video at least by video features difference
Two segments.
In step s101, video features are the feature for characterizing user's interest level.Video features include but is not limited to
There is no Moving Objects, there are Moving Objects and face is not detected, detect face but it is unidentified and detect face and
Face has identified.Video is divided at least two segments by different according to video features, and is returned each segment is corresponding
Belonging to is corresponding association in a kind of video features.
Video features can also include other characteristic types, for example, domain of the existence invasion etc., the embodiment of the present application example is to this
Without limitation.
For example, it is that there is no fortune that the distribution period of the different fragments of one section of 24 hours video, which is 0:00:00-12:00:00,
The segment (calling the first segment in the following text) of dynamic object, 12:00:00-12:30:00 are that there are Moving Objects and the piece of face is not detected
Section (calling the second segment in the following text), 12:30:00-13:00:00 is to detect face but unidentified segment (calling third segment in the following text),
13:00:00-13:30:00 is to detect face and the identified segment of face (calling the 4th segment in the following text), 13:30:00-24:00:
00 is there is no the segment of Moving Objects (calling the 5th segment in the following text).
Optionally, it is obtaining video and is identifying the video features of video, divided video at least by video features difference
Before the step of two segments, display methods be can specifically include: receive and store video features set by user and attention rate
Mapping table.
Step S102: according to the video features of each segment respectively in the corresponding relationship of the video features and attention rate that prestore
Attention rate corresponding with each segment is obtained in table.
In step s 102, for example, the corresponding attention rate of video features sorts from low to high are as follows: there is no Moving Objects,
There are Moving Objects and face is not detected, detects face but unidentified and detect face and face has identified.Change speech
It, belongs to there is no the corresponding attention rate of the segment of Moving Objects is minimum, belongs to there are Moving Objects and face is not detected
The attention rate of segment is higher than the segment belonged to there is no Moving Objects, belongs to and detects that the attention rate of the unidentified segment of face is high
In the segment for belonging to there are Moving Objects and being not detected face, belongs to and detect that the attention rate of face and identified segment is high
In belonging to the segment for detecting that face is unidentified.
Brought forward, in the above-described example, attention rate height sort are as follows: the attention rate of the 5th segment=first segment attention rate
The attention rate of the 4th segment of attention rate < of the attention rate < third segment of the second segment of <.
Step S103: the scaling of homologous segment is determined according to the difference of attention rate.
In one embodiment, the step of determining the scaling of homologous segment according to the difference of attention rate, specifically may be used
To include: that the scaling of the higher segment of attention rate is determined as biggish value, by the pantograph ratio of the lower segment of attention rate
Example is determined as lesser value.That is, setting the segment lower than attention rate for the scaling of the higher segment of attention rate
Scaling it is high, thus the length that the time shaft for improving the higher segment of attention rate occupies.
In one embodiment, the step of determining the scaling of homologous segment according to the difference of attention rate, specifically may be used
To include: that the scaling of time shaft by attention rate lower than the segment of predetermined attention rate threshold value is determined as less than 1；By attention rate
Scaling higher than the time shaft of the segment of predetermined attention rate threshold value is determined as being greater than 1.
Based on the set-up mode of above two attention rate, can implement as follows applied to the situation in examples detailed above:
The scaling of first segment is set as n1=0.1；The scaling of second segment is set as n2=2；The pantograph ratio of third segment
Example is set as n3=4；The scaling n of 4th segment4=8；The scaling of 5th segment is set as n5=0.1.
Step S104: the length of the time shaft of each segment is shown according to the control of the scaling of each segment.
In step S104, the step of the length of the time shaft of each segment is shown according to the control of the scaling of each segment
Before rapid, comprising: obtain the total length of the time shaft of the practical total duration of video, the practical duration of each segment and video.
In one embodiment, obtain the practical total duration of video, the practical duration of each segment and video when
Between axis total length the step of can step 101 execute when execute.
The step of showing the length of time shaft of each segment according to the control of the scaling of each segment, specifically can wrap
Include: according to the practical total duration of video, the practical duration of each segment, video time shaft total length and each segment
Scaling calculates the length of the time shaft of each segment.
Optionally, according to the total duration of video, the duration of each segment, video time shaft total length and each
It the step of length for the time shaft that the scaling of section calculates each segment, can specifically include:
With the total duration of video divided by the duration of each segment with the sum of products of corresponding scaling to obtain the time
Axis reduction ratio；
With the duration of segment, the scaling of segment, time shaft reduction ratio, video time shaft total length product divided by
The total duration of video is to obtain the time shaft length of homologous segment.
For example, calculating time shaft reduction ratio according to the first formula；
First formula:
The length of the time shaft of each segment is calculated according to the second formula；
Second formula:
Wherein, b is time shaft reduction ratio, and T is total length, the t of the total duration of video, the time shaft that L is video1To tiFor
The duration of each segment, txFor total quantity that the duration of x-th of segment, i are the segment in video, n1To niFor each segment pair
Scaling, the n answeredxFor the corresponding scaling of x-th of segment, lxFor the time shaft length of x-th of segment.
For example, in above-mentioned example, the total duration T for the video to show on a timeline is obtained described in brought forward, such as
One day, i.e. T=24 hours, normal scale was the scale that time shaft is divided into 24 equal portions.
Scaling time shaft: assuming that time shaft length is T equal portions, i.e. 24 equal portions, and hypothesis L=24, the length of each equal portions
Are as follows: L/T=1.
The length of first segment is t1×n1× 1=12 × 0.1=1.2, the length of the second segment are t2×n2× 1=0.5
× 2=1, the length of third segment are t2×n2× 1=2, the length of the 4th segment are t4×n4× 1=0.5*8=4, the 5th
The length of section is t4×n4× 1=10.5*0.1=1.05.
Acquisition time axis reduction ratio: due to 24 equal portions of time shaft length, the step of by scaling time shaft, after leading to scaling
Time shaft be not 24 equal portions, so demand adjustment time axis, time shaft reduction ratio are as follows:
As b=24/ (1.2+1+2+1.05) ≈ 4.57.
Calculate the real time shaft length of each segment: the first segment physical length is 1.2 × 4.57, and the second segment is practical
Length 1 × 4.57, third segment physical length 2 × 4.57, the physical length 4 × 4.57 of the 4th segment, the reality of the 5th segment
Length 1.05 × 4.57.So far the real time shaft length calculating of each segment finishes.
It is controlled after the step of calculating the length of the time shaft of each segment according to the length of the time shaft of each segment
The display of time shaft, each segment show corresponding length.
Optionally, in a kind of embodiment of the application, when showing time shaft, further in the time of different segments
The identification information of its corresponding video features is shown on axis.For example, " there is no movements pair for display on the time shaft of the first segment
As " words identification information, on the time shaft of the second segment show " there are Moving Objects and face is not detected " mark
Information, the identification information of display " detect face but unidentified " on the time shaft of third segment, in the time of the 4th segment
The identification information that " detect face and identified " is shown on axis, " there is no movements pair for display on the time shaft of the 5th segment
As " identification information.
In another embodiment, it is also possible to show correspondence on the time shaft of further segment when showing time shaft
The identification information of the attention rate of segment.
Referring to Fig. 2, Fig. 2 is the part flow diagram of the display methods of the video of the application second embodiment.
In the present embodiment, the step S102 in above-mentioned first embodiment: existed respectively according to the video features of each segment
After obtaining attention rate corresponding with each segment in the mapping table of the video features and attention rate that prestore, it can also wrap
It includes:
Step S201: the broadcasting speed of homologous segment is determined according to the difference of attention rate.
In step s 201, the step of determining the broadcasting speed of homologous segment according to the difference of attention rate, specifically can wrap
It includes: lower broadcasting speed is set by the broadcasting speed of the higher segment of attention rate, by the broadcasting of the lower segment of attention rate
Speed is set as higher broadcasting speed.To relatively fast be put to the lower segment of attention rate, the higher segment of attention rate
The efficiency that user obtains useful information in video can be improved with respect to slow play.
Step S202: the broadcasting of each segment is controlled according to the broadcasting speed of each segment.
Referring to Fig. 3, Fig. 3 is the part flow diagram of the display methods of the video of the application 3rd embodiment.
In the present embodiment, the step of determining the broadcasting speed of homologous segment according to the difference of attention rate specifically can be in step
After rapid S103.
The step of determining the broadcasting speed of homologous segment according to the difference of attention rate, can specifically include: segment is corresponding
Broadcasting speed be set as the inverse of the corresponding scaling of segment.
I.e. in the present embodiment, following steps be may further include after step s 103:
Step S301: the corresponding broadcasting speed of segment is set to the inverse of the corresponding scaling of segment.
Step S302: the broadcasting of each segment is controlled according to the broadcasting speed of each segment.
Referring to Fig. 4, Fig. 4 is the hardware structural diagram of the display device of the embodiment of the present application video.
In the present embodiment, the display device of video can include at least processor 41 and deposit with what processor 41 was electrically connected
Reservoir 42, memory 42 execute above-mentioned any for executing computer program, processor 41 for calling the computer program
The method of one embodiment.
In the embodiment of the present application, the display device of video can be PC, smart phone, tablet computer, security protection
Monitoring device etc..
In several embodiments provided herein, it should be understood that disclosed method and equipment, Ke Yitong
Other modes are crossed to realize.For example, equipment embodiment described above is only schematical, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of unit therein can be selected to realize present embodiment scheme according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the present invention can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer readable storage medium is for storing
Computer program, the computer program can be executed by processor to realize the method provided in above-described embodiment.It is understood that
, the computer program of readable storage medium storing program for executing storage in the present embodiment, the method used that is performed is mentioned with above-described embodiment
The method of confession is similar, and principle is identical with step, and which is not described herein again.
Wherein, the storage medium can for USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
The embodiment of the present application passes through the video features for obtaining video and identifying video, divides video by video features difference
For at least two segments；According to the video features of each segment respectively in the mapping table of the video features and attention rate that prestore
It is middle to obtain attention rate corresponding with each segment；The scaling of homologous segment is determined according to the difference of attention rate；According to each
The scaling control of segment shows the length of the time shaft of each segment, can be improved effect of the user from video acquisition information
Rate.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (13)
1. a kind of display methods of video, which is characterized in that the display methods includes:
It obtains the video and identifies the video features of the video, the video is divided at least two by video features difference
A segment；
It is obtained in the mapping table of the video features and attention rate that prestore respectively according to the video features of each segment
Attention rate corresponding with each segment；
The scaling of the corresponding segment is determined according to the difference of the attention rate；
The length of the time shaft of each segment is shown according to the control of the scaling of each segment.
2. display methods according to claim 1, which is characterized in that the difference according to the attention rate, which determines, to be corresponded to
The step of scaling of the segment, comprising:
The scaling of the higher segment of the attention rate is determined as biggish value, the attention rate is lower described
The scaling of segment is determined as lesser value.
3. display methods according to claim 1, which is characterized in that the difference according to the attention rate, which determines, to be corresponded to
The step of scaling of the segment, comprising:
Scaling by the attention rate lower than the time shaft of the segment of predetermined attention rate threshold value is determined as less than 1；
The scaling that the attention rate is higher than to the time shaft of the segment of the predetermined attention rate threshold value is determined as being greater than
1。
4. display methods according to claim 1, which is characterized in that the scaling control according to each segment
System was shown before the step of length of the time shaft of each segment, comprising:
Obtain the overall length of the time shaft of the practical total duration of the video, the practical duration of each segment and the video
Degree；
The step of length of time shaft that each segment is shown according to the control of the scaling of each segment, packet
It includes:
According to the practical total duration of the video, the practical duration of each segment, the video time shaft total length
And the scaling of each segment calculates the length of the time shaft of each segment.
5. display methods according to claim 4, which is characterized in that according to the total duration of the video, described each
The scaling of the duration of section, the total length of the time shaft of the video and each segment calculates each described
The step of length of the time shaft of section, comprising:
With the total duration of the video divided by the duration of each segment with the sum of products of corresponding scaling to obtain the time
Axis reduction ratio；
With the duration of the segment, the scaling of the segment, the time shaft reduction ratio, the time shaft overall length of the video
The product of degree obtains corresponding to divided by the total duration of the video time shaft length of the segment.
6. display methods according to claim 2, which is characterized in that the video features include there is no Moving Objects,
There are Moving Objects and face is not detected, detects face but unidentified and detect face and face has identified.
7. display methods according to claim 6, which is characterized in that the corresponding attention rate of the video features is from low to high
Sequence are as follows: there is no Moving Objects, there are Moving Objects and face is not detected, detects face but unidentified and detect
Face and face has identified.
8. display methods according to claim 1, which is characterized in that the video features according to each segment point
The step of attention rate corresponding with each segment is obtained not in the mapping table of the video features and attention rate that prestore
Later, comprising:
The broadcasting speed of the corresponding segment is determined according to the difference of the attention rate；
The broadcasting of each segment is controlled according to the broadcasting speed of each segment.
9. display methods according to claim 8, which is characterized in that the difference according to the attention rate, which determines, to be corresponded to
The step of broadcasting speed of the segment, comprising:
Lower broadcasting speed is set by the broadcasting speed of the higher segment of the attention rate, by the attention rate lower
The broadcasting speed of section is set as higher broadcasting speed.
10. display methods according to claim 8, which is characterized in that determining pair of the difference according to the attention rate
The step of answering the broadcasting speed of the segment, comprising:
Set the corresponding broadcasting speed of the segment to the inverse of the corresponding scaling of the segment.
11. display methods according to claim 8, which is characterized in that described to obtain the video and identify the video
Video features, before the step of video is divided at least two segments by video features difference, comprising:
Receive and store the mapping table of video features set by user and attention rate.
12. a kind of display device of video, which is characterized in that the display device of the video include processor and with the processing
Device is electrically connected memory, and the memory is for storing computer program, and the processor is for calling the computer program
Method described in 1-11 any one is required with perform claim.
13. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing computer
Program, the computer program can be performed to realize method described in claim 1-11 any one.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572617A (en) * | 2019-09-24 | 2019-12-13 | 腾讯科技（深圳）有限公司 | environment monitoring processing method and device and storage medium |
| CN114979784A (en) * | 2022-04-13 | 2022-08-30 | 浙江大华技术股份有限公司 | Target video playing method and device, electronic device and storage medium |
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