CN109167977A - A kind of bionical long-term preservation method of monitor video - Google Patents
A kind of bionical long-term preservation method of monitor video Download PDFInfo
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- CN109167977A CN109167977A CN201811263611.XA CN201811263611A CN109167977A CN 109167977 A CN109167977 A CN 109167977A CN 201811263611 A CN201811263611 A CN 201811263611A CN 109167977 A CN109167977 A CN 109167977A
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- monitor video
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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
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- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention belongs to field of video monitoring, specially a kind of bionical long-term preservation method of monitor video, preset time point or period after monitor video recording, it is synchronous to the monitor video of recording or successively carry out the reduction processing of frame number, the reduction processing of pixel, the gray proces of color and the event in monitor video is established to index in the form of text.Present method be advantageous in that: using frame is subtracted, discoloration is contracted as number, is handled old monitor video, the as needed or temporally processing remote for carrying out different dynamics to monitor video, has monitor video even obscuring principle a little always better than absolutely not.The monitor video of longer time can be saved in same memory space.Along with there is evented document to assist, can be retrieved by document keyword, the time where monitor video needed for quickly positioning.
Description
Technical field
The present invention relates to field of video monitoring, specially a kind of bionical long-term preservation method of monitor video.
Background technique
As technology continues to develop, monitoring camera head portrait number is higher and higher, and frame number is also continuously increased, and memory space is needed to get over
Come bigger, needs memory space more and more.
It is that video recording is stored from cover to cover, because three months forward sight frequency modulations take rate in traditional video surveillance preservation
It is relatively low, in order to which save the cost is typically only capable to save the video in March.And needed in huge video data being difficult acquisition
Content, video record different document can not pass through the fast automatic retrieval of keyword.
Summary of the invention
The purpose of the present invention is to provide a kind of bionical long-term preservation methods of monitor video, the advantage of this method is that: benefit
With frame is subtracted, discoloration is contracted as number, is handled old monitor video, as needed or temporally remote to monitor video progress
The processing of different dynamics has monitor video even obscuring principle a little always better than absolutely not.It is empty in same storage
Between can save the monitor video of longer time.Along with there is evented document to assist, can be retrieved by document keyword, fastly
Time where monitor video needed for speed positions.
To achieve the above object, the invention provides the following technical scheme:
A kind of bionical long-term preservation method of monitor video, preset time point or period after monitor video recording are right
The monitor video of recording it is synchronous or successively carry out the reduction processing of frame number, the reduction processing of pixel, color gray proces and
Event in monitor video is established to index in the form of text.
In the above-mentioned bionical long-term preservation method of monitor video, the method specifically includes the step successively carried out as follows
It is rapid:
Step 1: in the first preset time point, the frame number of monitor video being reduced and by the event in monitor video with text
Form establish index;
Step 2: in the second preset time point, gray proces being carried out to the color of monitor video;
Step 3: in third preset time point, reduction processing being carried out to the pixel of monitor video.
In the above-mentioned bionical long-term preservation method of monitor video, in the step 1, the frame number of monitor video is reduced to
5 frames;Event in monitor video records the generation event of event, the content of generation by way of video identification.
Each frame figure in the above-mentioned bionical long-term preservation method of monitor video, in the step 2, in monitor video
Piece is treated as 8 gray scales.
In the above-mentioned bionical long-term preservation method of monitor video, the pixel in monitor video is reduced to 320*240.
Compared with prior art, the beneficial effects of the present invention are:
Present invention has an advantage that discoloration is contracted as number, is handled old monitor video using frame is subtracted, as needed or
Person's temporally processing remote that different dynamics are carried out to monitor video has monitor video even obscuring a little always than not having completely
The principle having had.The monitor video of longer time can be saved in same memory space.Along with there is evented document to assist,
It can be retrieved by document keyword, the time where monitor video needed for quickly positioning.
Detailed description of the invention
Fig. 1 is the flow chart of the embodiment of the present invention 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Referring to Fig. 1, a kind of bionical long-term preservation method of monitor video, preset time point after monitor video recording or
Period, the gray scale of monitor video synchronization or the successively progress reduction processing of frame number, the reduction processing of pixel, color to recording
Handle and establish the event in monitor video in the form of text index.
In general, in above-mentioned processing operation, the reduction processing of frame number, the reduction processing of pixel, color gray scale at
Reason and the operation for establishing index are divided into first to be carried out later;The reduction processing of frame number, the reduction processing of pixel, color gray scale
Handling any one operation all can first carry out, it is preferable that, the event in monitor video is established in the form of text
Index should carry out at first because the event recorded in one day is too many in video monitoring, should monitor video quality most
Image is analyzed when good to obtain the index of written form.
As the further preferred of the present embodiment, the method specifically includes the step of successively carrying out as follows:
Step 1: in the first preset time point, at such as one month, the frame number of monitor video being reduced and will be in monitor video
Event index is established in the form of text;
Such as: the event in monitor video is established to index in the form of text can be with are as follows: picture recognition technology is utilized,
Video content is converted into verbal description, is stored independently of video file.For being driven out to charge hilllock by trolley,
XXXX XX month XX day 17:00, wing-rooms on either side of a one-story house silvery white Fox, which sails, to come, and license plate is Guangdong AXXXXX.
XXXX XX month XX day 17:01, wing-rooms on either side of a one-story house silvery white Fox reversing.
XXXX XX month XX day 17:02:00, gate sentry are opened.
XXXX XX month XX day 17:02:02, wing-rooms on either side of a one-story house silvery white Fox are sailed out of.
XXXX XX month XX day 17:02:05, gate sentry are closed.
This such as will above text with txt save only need 235 bytes.
Frame rate reduction processing is carried out while foundation with above-mentioned index or after index is established to image, at present monitoring video
It is all usually 25 frames.As time goes by, if presbyopia frequency is changed to 5 frames, at this time theoretically minimized storage space is only original
1/5th.
Step 2: in the second preset time point, such as two months, gray proces being carried out to the color of monitor video;
For 24 4 true color pictures of RGB of common 640X480, memory space position 640X480X24/8=is needed
921600 bytes, if being changed to 8 gray scale 640X480X8/8=307200 bytes.Occupy memory space theoretical value is former three
/ mono-.
Step 3: in third preset time point, such as three months, reduction processing being carried out to the pixel of monitor video.
For 24 4 true color pictures of RGB of common 640X480, memory space position 640X480X24/8=is needed
921600 bytes need memory space position 320X240X24/8=if being changed to 24 4 true color of RGB of 320X240
230400 bytes.Occupying memory space theoretical value is former a quarter.
The above embodiments are actually simulation man memory habit progress, such as: a certain parking exit, one two
The silvery white Fox in compartment, which quickly sails, to come, and is just stopping by gate sentry, and Chinese herbaceous peony license plate comes Car license recognition camera monitoring range,
It can only slightly refund a bit, it is Guangdong AXXXXX that Car license recognition camera, which reads license plate, which is monthly card without payment, and gate sentry is automatic
It opens, car sails out of.
This scene is seen by someone, by people's amnesia process, may just forget this vehicle after a few days because by door
Hilllock is too close, and need to move backward such details.As soon as month after, may forget that this vehicle is silvery white or canescence.After two months,
It may just forget to be what is taken pictures car.After the longer time, it can only remember to see that a vehicle is driven out to there, other details
All have forgotten.
Above-mentioned man memory habit just corresponds to the step 1-3 of the embodiment of the present invention.
The operation of embodiment 1-3 through the invention, handles old monitor video, as needed or temporally long
The processing of different dynamics is far carried out to monitor video, has monitor video even obscuring original a little always better than absolutely not
Then.The monitor video of longer time can be saved in same memory space.Along with there is evented document to assist, can pass through
Document keyword retrieval, the time where monitor video needed for quickly positioning.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (5)
1. a kind of bionical long-term preservation method of monitor video, which is characterized in that monitor video recording after preset time point or
Period, the gray scale of monitor video synchronization or the successively progress reduction processing of frame number, the reduction processing of pixel, color to recording
Handle and establish the event in monitor video in the form of text index.
2. the bionical long-term preservation method of monitor video according to claim 1, which is characterized in that the method is specifically wrapped
Include the step of successively carrying out as follows:
Step 1: in the first preset time point, the frame number of monitor video being reduced and by the event in monitor video with the shape of text
Formula establishes index;
Step 2: in the second preset time point, gray proces being carried out to the color of monitor video;
Step 3: in third preset time point, reduction processing being carried out to the pixel of monitor video.
3. the bionical long-term preservation method of monitor video according to claim 2, which is characterized in that in the step 1, prison
The frame number of control video is reduced to 5 frames;Event in monitor video is by way of video identification to the generation event of event, generation
Content recorded.
4. the bionical long-term preservation method of monitor video according to claim 2, which is characterized in that in the step 2, prison
Each frame picture in control video is treated as 8 gray scales.
5. the bionical long-term preservation method of monitor video according to claim 2, which is characterized in that the pixel in monitor video
It is reduced to 320*240.
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