CN104767994B - A kind of vehicle-mounted DVR video datas store the detection method of integrality - Google Patents
A kind of vehicle-mounted DVR video datas store the detection method of integrality Download PDFInfo
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- CN104767994B CN104767994B CN201510171553.8A CN201510171553A CN104767994B CN 104767994 B CN104767994 B CN 104767994B CN 201510171553 A CN201510171553 A CN 201510171553A CN 104767994 B CN104767994 B CN 104767994B
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Abstract
The invention discloses the detection method that a kind of vehicle-mounted DVR video datas store integrality, step 1, database is set up；Vehicle motor starts, and gathers the timing node information started；When detecting vehicle motor startup, vehicle-mounted DVR starts, and records the timing node, and video data and timing node information are stored in database；Step 2, vehicle motor is closed, and is gathered the timing node information closed, is recorded the timing node information and store；Step 3, when requestor requests video stores integrity information, requesting party is sent in the way of the period；Step 4, requesting party receives time segment data, is shown in patterned mode.The present invention is capable of the integrality of the detection data of quicklook, evades vehicle stop and start information, user is in the case of having found that data are incomplete, intervention, fixes a breakdown in time, such as finds that storage device is damaged, the storage device damaged is changed in time, so that support vehicles are safely and effectively run.
Description
Technical field
The present invention relates to a kind of monitoring system, the detection of integrality is stored more particularly, to a kind of vehicle-mounted DVR video datas
Method.
Background technology
Existing vehicle-mounted DVR（Digital video recorder）Storage method mainly has following three kinds：1st, stored, lacked using SD card
Point is that capacity is smaller, and read or write speed is not fast enough, and unexpected power down is easily damaged, and advantage is not to be afraid of the environment that jolts.2nd, using SSD（Gu
State hard disk）Storage, advantage is that capacity is larger, and read or write speed is fast, is not afraid of and jolts, but price is costly, increases product cost.3、
Stored using traditional mechanical hard disk, using caching（Caching uses the storage medium without mechanical part）, i.e., when in the environment that jolts
When deposit caching, data are transferred to hard disk again when steady.Because vehicle-mounted DVR work is run with the startup of vehicle,
Tail-off and stop, possessing the characteristic of discontinuous storage, system maintenance personnel are difficult when detecting vehicle-mounted DVR video datas
To detect the integrality of data.
The content of the invention
In view of this, it is an object of the invention to provide the detection method that a kind of vehicle-mounted DVR video datas store integrality,
Be capable of the integrality of the detection data of quicklook, evade vehicle stop and start information, user in the case of finding that data are incomplete,
Intervention, fixes a breakdown in time, such as finds that storage device is damaged, and the storage device damaged is changed in time, so that support vehicles are safe
Effectively operation.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of vehicle-mounted DVR video datas store the detection method of integrality, comprise the following steps：
Step 1, database is set up；Vehicle motor starts, and gathers the timing node information started, records the timing node
Information is simultaneously stored in database；When detecting vehicle motor startup, vehicle-mounted DVR starts, and records the timing node, and will regard
Frequency evidence and timing node information are stored in database；Video data storage information formation index information is obtained, and extraction is regarded
The index information of the frame of frequency data storage first, is stored in database；
Step 2, vehicle motor is closed, and is gathered the timing node information closed, is recorded the timing node information and store；
When detecting vehicle motor closing, vehicle-mounted DVR is closed, and is stopped data storage, is recorded the timing node and store；
Step 3, when requestor requests video stores integrity information, reading database data obtain engine start and stop
Temporal information and vehicle-mounted DVR start-stop times information are simultaneously processed as time interval information, and requesting party is sent in the way of the period,
The period includes engine start-stop time section and section of vehicle-mounted DVR start-stop times；Judge the time of vehicle-mounted DVR start-stop times section
Whether continuous, the discontinuous time is the break period, and is engine start-stop time or video data to interrupting timing separation
Non- storage time, if the engine start-stop time be then considered as normally, if the non-storage time of video data, then record the time simultaneously
Storage；
The Time Continuous of the vehicle-mounted DVR start and stop section refers to deploy troops on garrison duty in the time what DVR recorded a video, and removes engine
After start-stop time, if video recording is that the continuous video recording that is taken as is continuous, otherwise record a video discontinuous；
Step 4, requesting party receives time segment data, is shown in patterned mode.
Preferably, the index information of the step 1 by video data storage information key frame timestamp information shape
Into.
Preferably, in the step 4, calculating video memory gap according to the time segment data received and engine stopping
Only it is spaced, the time interval of two neighboring period is expressed as no video memory gap or transmitter stops interval, by engine
Stop interval and be considered as normal condition, consistent mode is shown to link up.
Preferably, in the step 4, video memory gap and engine stop interval make a distinction display.
Beneficial effects of the present invention are：
1st, the present invention is based on key frame to the index of video data, and integrity detection is based on crucial frame index, so as to
High-precision integrity detection is realized, detection accuracy is high, can be accurate to second level.
2nd, detection speed is fast.The present invention is stored by the light-duty relational database mode of vehicle-mounted DVR integrity informations, so that
It can quickly search for after whole implementations, user's request data, result in video record integrity detection result.
3rd, Consumer's Experience is good.The video data integrity detection of the present invention, evades the influence of vehicle start and stop information, uses
Uniform view mode shows with patterned way, can allow the open-and-shut complete implementations for checking video data of user, use
Family experience is good.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The target and other advantages of the present invention can pass through following specification or accompanying drawing
In specifically noted structure realize and obtain.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention comprises the following steps：
Step 1, database is set up；Vehicle motor starts, and gathers the timing node information started, records the timing node
Information is simultaneously stored in database；When detecting vehicle motor startup, vehicle-mounted DVR starts, and records the timing node, and will regard
Frequency evidence and timing node information are stored in database；Video data storage information is obtained, by video data storage information
The timestamp information formation index information of key frame, and the index information that video data stores the first frame is extracted, it is stored in data
In storehouse.
Step 2, vehicle motor is closed, and is gathered the timing node information closed, is recorded the timing node information and store；
When detecting vehicle motor closing, vehicle-mounted DVR is closed, and is stopped data storage, is recorded the timing node and store.
Step 3, when requestor requests video stores integrity information, reading database data obtain engine start and stop
Temporal information and vehicle-mounted DVR start-stop times information are simultaneously processed as time interval information, and requesting party is sent in the way of the period,
The period includes engine start-stop time section and section of vehicle-mounted DVR start-stop times；Judge the time of vehicle-mounted DVR start-stop times section
Whether continuous, the discontinuous time is the break period, and is engine start-stop time or video data to interrupting timing separation
Non- storage time, if the engine start-stop time be then considered as normally, if the non-storage time of video data, then record the time simultaneously
Storage.
Step 4, requesting party receives time segment data, is shown in patterned mode.According to the time received
Segment data calculates video memory gap and engine stop interval, and the time interval of two neighboring period is expressed as no video and deposited
Storage interval or transmitter stop interval, and engine stop interval is considered as into normal condition, and to link up, consistent mode is shown.Video
Memory gap and engine stop interval make a distinction display.User can pass through the open-and-shut understanding video data of the view
Whether storage is complete, when finding imperfect, and intervention in time is safeguarded.
The present invention principle be：Vehicle motor start and stop information is extracted, so as to obtain the period of engine stop work
Information, data storage information, the timestamp information formation index of key frame, timestamp letter are obtained from vehicle-mounted storage device the inside
Breath can be accurate to second level.The information overall integrity Informational Expression is multiple different periods, and the period can substantially be divided into
Two classes：（1）Video memory gap.（2）Vehicle motor stops interval.The time interval of two neighboring period is expressed as ignoring
Frequency evidence or engine stop interval, are showed on interface in patterned mode, wherein both continuously and discontinuously representing accordingly
For different colors, engine stop interval and video stop interval and also make a distinction expression.
The characteristic that the present invention is stored for vehicle-mounted DVR data noncontinuity, is detected vehicle-mounted from system maintenance personnel angle
The integrality of DVR data, this method is capable of the integrality of the detection data of quicklook, evades vehicle start and stop information, Yong Hu
It was found that in the case of data are incomplete, intervention, fixes a breakdown in time, as found, storage device is damaged, and depositing for damage is changed in time
Equipment is stored up, so that support vehicles are safely and effectively run.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (4)
1. a kind of vehicle-mounted DVR video datas store the detection method of integrality, it is characterised in that：Comprise the following steps：
Step 1, database is set up；Vehicle motor starts, and gathers the timing node information started, records the timing node information
And it is stored in database；When detecting vehicle motor and starting, vehicle-mounted DVR starts, and records the timing node, and by video counts
It is stored according to timing node information in database；Video data storage information formation index information is obtained, and extracts video counts
According to the index information of the first frame of storage, it is stored in database；
Step 2, vehicle motor is closed, and is gathered the timing node information closed, is recorded the timing node information and store；Work as inspection
When measuring vehicle motor closing, vehicle-mounted DVR is closed, and is stopped data storage, is recorded the timing node and store；
Step 3, when requestor requests video stores integrity information, reading database data obtain the engine start-stop time
Information and vehicle-mounted DVR start-stop times information are simultaneously processed as time interval information, and requesting party is sent in the way of the period, described
Period includes engine start-stop time section and section of vehicle-mounted DVR start-stop times；Judge vehicle-mounted DVR start-stop times section time whether
Continuously, it is the break period that the time is discontinuous, and is that engine start-stop time or video data are not deposited to interrupting timing separation
The storage time, if the engine start-stop time is then considered as normally, if the non-storage time of video data, then records the time and deposit
Storage；
Step 4, requesting party receives time segment data, is shown in patterned mode.
2. a kind of vehicle-mounted DVR video datas according to claim 1 store the detection method of integrality, it is characterised in that：
The index information of the step 1 is formed by the timestamp information of the key frame of video data storage information.
3. a kind of vehicle-mounted DVR video datas according to claim 1 store the detection method of integrality, it is characterised in that：
In the step 4, video memory gap and engine stop interval are calculated according to the time segment data received, when two neighboring
Between the time interval of section be expressed as no video memory gap or transmitter and stop interval, engine stop interval is considered as positive reason
Condition, to link up, consistent mode is shown.
4. a kind of vehicle-mounted DVR video datas according to claim 3 store the detection method of integrality, it is characterised in that：
In the step 4, video memory gap and engine stop interval make a distinction display.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510171553.8A CN104767994B (en) | 2015-04-13 | 2015-04-13 | A kind of vehicle-mounted DVR video datas store the detection method of integrality |
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| CN109104447B (en) * | 2017-06-20 | 2021-07-20 | 杭州海康威视数字技术股份有限公司 | Vehicle-mounted data reading and writing method and device |
| CN110691240B (en) * | 2019-11-05 | 2021-04-16 | 深圳万物安全科技有限公司 | Mobile detection missing recording detection method and device |
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| US20070150138A1 (en) * | 2005-12-08 | 2007-06-28 | James Plante | Memory management in event recording systems |
| CN101753947B (en) * | 2008-12-08 | 2016-08-24 | 北京中星微电子有限公司 | A kind of method and apparatus of the on-demand playback of surveillance video |
| CN103024437B (en) * | 2012-12-28 | 2015-02-25 | 河南辉煌科技股份有限公司 | Video data integrity detection method |
| CN104268088B (en) * | 2014-09-15 | 2018-11-16 | 郑州天迈科技股份有限公司 | Vehicle-mounted DVR hard disc data storage method |
| CN104270605B (en) * | 2014-09-23 | 2017-08-25 | 浪潮(北京)电子信息产业有限公司 | A kind of processing method and processing device of video monitoring data |
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