CN104410822A - Video monitoring method and vehicular video monitoring equipment - Google Patents
Video monitoring method and vehicular video monitoring equipment Download PDFInfo
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Abstract
The invention is applicable to the field of vehicle and provides a video monitoring method and vehicular video monitoring equipment. The method includes: during video monitoring, first audio-video data and second audio-video data are collected at the same time, wherein the resolution of the first image formed by the first audio-video data is larger than the second image formed by the second audio-video data; when a specially set condition is detected, the second audio-video data is transmitted to an appointed terminal to allow a user to judge whether to trigger a first transmitting instruction or not according to the second image provided by the appointed terminal; when the first transmitting instruction is detected, part of the first audio-video data which is appointed by the first transmitting instruction is transmitted to the appointed terminal. By the method, a to-be-monitored site can be clearly checked from high-resolution and interested part of the first image which is acquired again.
Description
Technical field
The invention belongs to vehicular field, particularly relate to a kind of video frequency monitoring method and vehicle-mounted video monitoring device.
Background technology
Vehicle-mounted video monitoring device is the video monitoring equipment aiming at vehicle-mounted security-monitoring domain design.It has employed flush bonding processor and embedded OS, combine H.264 audiovisual compression/decompression technique, GPS global-positioning technology, 3G wireless communication technique, usb communication technology, advanced car power management techniques, GIS geographical information technology up-to-date in IT field, be applicable to all kinds of vehicle and carry out monitoring in 24 hours.
At present, for ensureing the quality of video monitoring, the resolution of the image gathered during video monitoring is only very high; And constantly high-resolution audio/video frames is write in memory device.When needing to browse the video in this storage medium, need to use USB (Universal Serial Bus, usb) interface from vehicle-mounted video monitoring device this memory device derive audio, video data, or directly extract this memory device and copy device store audio, video data.
Summary of the invention
The object of the present invention is to provide a kind of video frequency monitoring method and vehicle-mounted video monitoring device, the audiovisual presentation of two kinds of different resolutions can be generated when video monitoring simultaneously, the audiovisual presentation of low resolution is sent to designated terminal, make user tentatively find out interested image, then obtain high-resolution, interested image.
First aspect, the invention provides a kind of video frequency monitoring method, and described video frequency monitoring method comprises:
Gather the first audio, video data and the second audio, video data during video monitoring, the resolution of the first image be made up of described first audio, video data is greater than the resolution of the second image be made up of described second audio, video data simultaneously;
When ad hoc condition being detected, described second audio, video data is sent to designated terminal, makes user judge whether that triggering first sends instruction according to described second image that described designated terminal provides;
When described first transmission instruction being detected, described first audio, video data of part that described first transmission instruction is specified is sent to described designated terminal.
Second aspect, the invention provides a kind of vehicle-mounted video monitoring device, and described vehicle-mounted video monitoring device comprises memory module, control module and wireless communication module;
Described control module is used for: gather the first audio, video data and the second audio, video data during video monitoring simultaneously, and in described memory module, storing described first audio, video data and described second audio, video data respectively, the resolution of the first image be made up of described first audio, video data is greater than the resolution of the second image be made up of described second audio, video data;
Described control module also for: when ad hoc condition being detected, export described second audio, video data to described wireless communication module;
Described wireless communication module is used for: described second audio, video data described control module exported is sent to designated terminal, makes user judge whether that triggering first sends instruction according to described second image that described designated terminal provides;
Described control module also for: detect described first send instruction time, send instruction described first audio, video data of part of specifying by described first and export described wireless communication module to;
Described wireless communication module also for: described first audio, video data of the part described control module exported is sent to described designated terminal.
Beneficial effect of the present invention: the audio, video data (comprising described first audio, video data and described second audio, video data) simultaneously gathering the audiovisual presentation (comprising the first image and the second image) that can generate two kinds of different resolutions when video monitoring, described second audio, video data of the second image forming low resolution is sent to designated terminal, make user tentatively find out interested image from the second image, then send instruction high-resolution, interested image of corresponding acquisition from the first image by first.Thus can from high-resolution, the interested image again obtained clear checking monitoring on-the-spot.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the workflow diagram of the video frequency monitoring method that the embodiment of the present invention provides;
Fig. 2 is a kind of optimized work flow figure of the video frequency monitoring method that the embodiment of the present invention provides;
Fig. 3 is the composition structure of the vehicle-mounted video monitoring device that the embodiment of the present invention provides;
Fig. 4 is the one optimization composition structure of the vehicle-mounted video monitoring device that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In order to technical solutions according to the invention are described, be described below by specific embodiment.
Vehicle-mounted video monitoring device described in the embodiment of the present invention, for carrying out video monitoring and generating audio, video data in real time to vehicle.
What deserves to be explained is, the video frequency monitoring method that the embodiment of the present invention provides, generate the audiovisual presentation of two kinds of different resolutions when vehicle-mounted video monitoring device carries out video monitoring to vehicle simultaneously.
As shown in Figure 1, the basic steps that the video frequency monitoring method that the embodiment of the present invention provides comprises is roughly three steps, comprises steps A 1, steps A 2 and steps A 3.
Steps A 1, gathers the first audio, video data and the second audio, video data simultaneously during video monitoring, the resolution of the first image be made up of described first audio, video data is greater than the resolution of the second image be made up of described second audio, video data.Wherein, the resolution of the first image is more how many greatly than the resolution of the second image, and the embodiment of the present invention does not limit; Preferably, the resolution of the first image than the resolution several times greatly of the second image, such as: 2 times, 4 times or 8 times.
Vehicle-mounted video monitoring device described in the embodiment of the present invention, comprises memory module, control module and wireless communication module.Described control module is electrically connected with described memory module and described wireless communication module respectively.
As the specific implementation of described control module, the embodiment of the present invention does not limit, and processor, single-chip microcomputer or programmable logic device etc. can be adopted to have the circuit realiration of data processing function.
As the specific implementation of described memory module, the embodiment of the present invention does not limit, as long as can carry out the write of data to this memory module and read.
What deserves to be explained is, the embodiment of the present invention with the addition of wireless communication module on vehicle-mounted video monitoring device; By wireless communication module access to wireless communication network, but the embodiment of the present invention does not all limit the concrete network architecture of cordless communication network and the communications band of this cordless communication network.
As an execution mode, described cordless communication network comprises mobile communications network, and this mobile communications network at least comprises: 3G network and 4G network; Particularly, the wireless communication module of vehicle-mounted video monitoring device sends access request and the access completed mobile communications network to mobile communications network.When designated terminal has also accessed this mobile communications network, the control module in vehicle-mounted video monitoring device has carried out data interaction by line communication module and the designated terminal accessing this mobile communications network; Such as, control module sends positional information by this mobile communications network to designated terminal; Again such as, designated terminal sends first by this mobile communications network to this control module and sends the data such as instruction and the second transmission instruction.
As an execution mode, described cordless communication network is network that is common, that adopt radio-frequency technique communication.At this moment, when designated terminal has radio-frequency module, vehicle-mounted video monitoring device is set up radio frequency by its wireless communication module with the radio-frequency module of designated terminal and is connected, and then the control module in vehicle-mounted video monitoring device is carried out radio communication by its wireless communication module and designated terminal and completes transfer of data; Such as, control module sends the positional information of vehicle present position by this wireless communication module, and designated terminal receives this positional information by its radio-frequency module; Again such as, control module continues transmission second audio, video data by this wireless communication module, and designated terminal is by this second audio, video data of its radio-frequency module continuous reception.
It should be noted that the designated terminal described in the embodiment of the present invention refers to the electronic equipment with radio communication function; The equipment that this electronic equipment is made up of electronic devices and components such as integrated circuit, transistor, electron tubes; For portions of electronics equipment, also can to its programming to realize various function.At present, electronic equipment is developed widely in all trades and professions and is applied, and comprising: electronic computer, the robot controlled by the controller of coded program, numerical control and stored program controlled etc.; Specifically in life, comprise the mobile terminals such as smart mobile phone, also comprise intelligent appliance.
Preferably, the designated terminal described in the embodiment of the present invention refers to server; More preferably, Cloud Server is referred to described in the embodiment of the present invention.That have magnanimity because of Cloud Server, idle memory space, so Cloud Server can continue uninterruptedly support the reception of described second audio, video data and store.Like this, user can be as required, described second audio, video data is downloaded from Cloud Server, or described second audio, video data stored in management Cloud Server, such as delete described second audio, video data stored in Cloud Server, more such as edit described second audio, video data stored in Cloud Server.
Specifically in embodiments of the present invention, when user uses vehicle-mounted video monitoring device to carry out video monitoring to vehicle, gather out two-way audio, video data simultaneously, comprise the first audio, video data and the second audio, video data; Wherein, the first image can be formed by described first audio, video data, the second image can be formed by described second audio, video data, and the resolution of described first image be greater than the resolution of the second image.
Wherein, the second audio, video data can adopt erasable storage medium to store.Storage medium for storage first audio, video data does not limit, but need guarantee normal write and the reading of this storage medium being carried out to the first audio, video data.
Steps A 2, when ad hoc condition being detected, is sent to designated terminal by described second audio, video data, makes user judge whether that triggering first sends instruction according to described second image that described designated terminal provides.
Particularly, after wireless communication module access to wireless communication network, when ad hoc condition being detected, send described second audio, video data by this cordless communication network to designated terminal.
For this ad hoc condition, user is needed to preset.Can be set as that the condition of this ad hoc condition includes but not limited to: the second transmission instruction, particular time arrival, each described particular time etc. that user triggers detected.
As a kind of execution mode ad hoc condition being detected in steps A 2, if the second transmission instruction that user triggers detected, be then judged to ad hoc condition to be detected.
Particularly, user triggers second by designated equipment or other electronic equipment and sends instruction, and this second transmission instruction is sent to vehicle-mounted video monitoring device, the control module of vehicle-mounted video monitoring device receives this second transmission instruction by wireless communication module; Then this second transmission instruction can be detected, be judged to ad hoc condition to be detected.
As a kind of execution mode ad hoc condition being detected in steps A 2, user sets this particular time one or more in advance in the control module of vehicle-mounted video monitoring device.Often detect that this particular time arrives, be judged to ad hoc condition to be detected.
As a kind of preferred implementation ad hoc condition being detected in steps A 2, user sets a particular time in advance in the control module of vehicle-mounted video monitoring device.Every this particular time, be judged to detect once ad hoc condition; I.e. each this particular time, performs steps A 2 and described second audio, video data is sent to designated terminal.
In embodiments of the present invention, when user can directly continue to browse described second image by this designated terminal, if user browses to interested image from described second image, trigger first by this designated terminal and send instruction, and this first transmission instruction is sent to the control module of vehicle-mounted video monitoring device by this designated terminal.
In addition, user not directly by this designated terminal (such as, this designated terminal is Cloud Server) when continuing to browse described second image, user downloads described second image by its electronic equipment used from this designated terminal, uses its electronic equipment to browse described second image; If user browses to interested image from described second image, trigger first by its electronic equipment and send instruction, and this first transmission instruction is sent to the control module of vehicle-mounted video monitoring device by its electronic equipment.
It should be noted that, sending the 3rd image of the described first audio, video data reconstruct of part that instruction is specified by described first, is the 4th image of the interested images match browsed to from described second image with user; Difference is only: the resolution of the 3rd image is less than the resolution of the 4th image.
Steps A 3, when described first transmission instruction being detected, is sent to described designated terminal by described first audio, video data of part that described first transmission instruction is specified.
Particularly, send instruction for described first, this first transmission instruction is used for from described first audio, video data specified portions data; The 3rd image that the partial data of being specified by this first transmission instruction forms is the image of this interest of user, is also the matching image higher relative to the 4th image resolution ratio; That is, the content that presents of the 3rd image is identical with the content that the 4th image presents, but the resolution of the 3rd image is higher than the 4th image.
As the embodiment of the present invention one execution mode, after gathering the first audio, video data and this step of the second audio, video data during described video monitoring, described video frequency monitoring method comprises simultaneously: store described first audio, video data with the first storage medium; Described second audio, video data is stored with the second storage medium.
In the present embodiment, when vehicle-mounted video monitoring device has had a storage medium (i.e. the first storage medium), with the addition of again a storage medium (i.e. the second storage medium).Wherein, first storage medium remains unchanged in vehicle-mounted video monitoring device role relative to when not adding the second storage medium, and the first storage medium is used for: the high-resolution audio, video data (described first audio, video data) collected during store video monitoring.Wherein, the second storage medium of interpolation is used for: the audio, video data (described second audio, video data) of the low resolution collected during store video monitoring.
As the embodiment of the present invention one preferred implementation, erasable storage medium is adopted to store described second audio, video data; Relatively, when ad hoc condition being detected described in, described second audio, video data is sent to this step of designated terminal to be specially:
When ad hoc condition being detected, described second audio, video data is sent to designated terminal, and deletes described second audio, video data sent.
Particularly, the second audio, video data that erasable storage medium stores can be sent to designated terminal when ad hoc condition being detected, but store in memory module and carried identical picture material but first image higher than the second image resolution ratio with the second image, and then for saving the storage medium for storing the second audio, video data, while sending the second audio, video data to designated terminal, delete the second audio, video data sent in this erasable storage medium storage; To make at continuous collecting second audio, video data and while this second audio, video data is stored in this erasable storage medium, continue the second audio, video data is sent to designated terminal and wipes at this erasable storage medium the second audio, video data sent, this erasable storage medium can be recycled, continuous collecting this second audio, video data more.
Illustrate, the second storage medium adopts erasable storage medium to realize; While continuous collecting second audio, video data, this second audio, video data is stored in the second storage medium; Accordingly, continue the second audio, video data is sent to designated terminal and wipes the second audio, video data sent at this second storage medium, this second storage medium can be recycled, continuous collecting this second audio, video data more.
Fig. 2 shows a kind of optimized work flow of the video frequency monitoring method that the embodiment of the present invention provides, but illustrate only the part relevant to the embodiment of the present invention.
As an execution mode of the embodiment of the present invention, see Fig. 2, describedly described second audio, video data is sent to this step of designated terminal is specially steps A 21 and steps A 22.
Steps A 21, based on the first cordless communication network, is sent to described designated terminal by described second audio, video data.
In the present embodiment, cordless communication network comprises the first cordless communication network and the second cordless communication network.Wherein, the network bandwidth of described second cordless communication network is greater than the network bandwidth of described first cordless communication network.
In the present embodiment, the wireless communication module that first described vehicle-mounted video monitoring device comprises has accessed the first cordless communication network, and by the first cordless communication network cordless communication network by default.And then first continue described second audio, video data to be sent to designated terminal by the first cordless communication network in steps A 2.
But while being continued that by the first cordless communication network described second audio, video data is sent to designated terminal, wireless communication module also carries out the detection of cordless communication network, if the second cordless communication network that the network bandwidth is larger detected, and when successfully accessing the second cordless communication network, perform steps A 22.
Steps A 22, when being linked into the second cordless communication network, switches to described second cordless communication network from described first cordless communication network, sends described second audio, video data to described designated terminal with described second cordless communication network.
In the present embodiment, the network bandwidth because of the second cordless communication network is greater than the first cordless communication network, therefore relative to the first cordless communication network, can carry out transfer of data faster by the second cordless communication network.Therefore, present embodiment, after successfully accessing the second cordless communication network, switches to described second cordless communication network from described first cordless communication network, sends described second audio, video data to described designated terminal based on described second cordless communication network.
As an execution mode, while with the second audio, video data described in described second cordless communication network transmitting portion to described designated terminal, described first cordless communication network can also be continued through and send the second audio, video data described in another to described designated terminal.And in this enforcement side, described second cordless communication network can be one or more cordless communication network.
As another execution mode, once send described second audio, video data to described designated terminal with described second cordless communication network, then stop continuing through described first cordless communication network and send described second audio, video data to described designated terminal, but other data interaction (such as: control command mutual) of the control module of vehicle-mounted video monitoring device and designated terminal can be carried out by described first cordless communication network.
Those of ordinary skill in the art it is also understood that, the all or part of step realized in above-described embodiment method can have been come by program command and relevant hardware, described program can be stored in a computer read/write memory medium, described storage medium, comprises ROM/RAM, disk, CD etc.
It should be noted that, the video frequency monitoring method that the embodiment of the present invention provides is applicable to the vehicle-mounted video monitoring device that the embodiment of the present invention provides.
Fig. 3 shows the composition structure of the vehicle-mounted video monitoring device that the embodiment of the present invention provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
The vehicle-mounted video monitoring device that the present embodiment provides, as shown in Figure 3, described vehicle-mounted video monitoring device comprises memory module 2, control module 1 and wireless communication module 3;
Described control module 1 for: gather the first audio, video data and the second audio, video data during video monitoring simultaneously, and in described memory module 2, storing described first audio, video data and described second audio, video data respectively, the resolution of the first image be made up of described first audio, video data is greater than the resolution of the second image be made up of described second audio, video data;
Described control module 1 also for: when ad hoc condition being detected, export described second audio, video data to described wireless communication module 3;
Described wireless communication module 3 for: described second audio, video data described control module 1 exported is sent to designated terminal, makes user judge whether that triggering first sends instruction according to described second image that described designated terminal provides;
Described control module 1 also for: detect described first send instruction time, send instruction described first audio, video data of part of specifying by described first and export described wireless communication module 3 to;
Described wireless communication module 3 also for: described first audio, video data of part described control module 1 exported is sent to described designated terminal.
As the embodiment of the present invention one execution mode, described wireless communication module 3 specifically for: based on the first cordless communication network, described second audio, video data is sent to described designated terminal;
Described wireless communication module 3 also for: when being linked into the second cordless communication network, switch to described second cordless communication network from described first cordless communication network, send described second audio, video data to described designated terminal with described second cordless communication network;
Wherein, the network bandwidth of described second cordless communication network is greater than the network bandwidth of described first cordless communication network.
As the embodiment of the present invention one execution mode, described control module 1 specifically for: when ad hoc condition being detected, described second audio, video data is sent to designated terminal, and deletes in described memory module 2 described second audio, video data sent.
As the embodiment of the present invention one execution mode, described control module 1 specifically for: detect that user triggers second send instruction time be judged to ad hoc condition to be detected;
Described control module 1 is judged to ad hoc condition to be detected when arriving specifically for: particular time.
Fig. 4 shows the one optimization composition structure of the vehicle-mounted video monitoring device that the embodiment of the present invention provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
As the embodiment of the present invention one execution mode, as shown in Figure 4, described memory module 2 comprises the first storage medium 21 and the second storage medium 22;
Described first storage medium 21 for: store described first audio, video data;
Described second storage medium 22 for: store described second audio, video data.
It will be appreciated by those skilled in the art that the unit included by the vehicle-mounted video monitoring device that the embodiment of the present invention provides is carry out dividing according to function logic, but be not limited to above-mentioned division, as long as corresponding function can be realized; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; make some equivalent alternative or obvious modification without departing from the inventive concept of the premise; and performance or purposes identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.
Claims (10)
1. a video frequency monitoring method, is characterized in that, described video frequency monitoring method comprises:
Gather the first audio, video data and the second audio, video data during video monitoring, the resolution of the first image be made up of described first audio, video data is greater than the resolution of the second image be made up of described second audio, video data simultaneously;
When ad hoc condition being detected, described second audio, video data is sent to designated terminal, makes user judge whether that triggering first sends instruction according to described second image that described designated terminal provides;
When described first transmission instruction being detected, described first audio, video data of part that described first transmission instruction is specified is sent to described designated terminal.
2. video frequency monitoring method as claimed in claim 1, is characterized in that, describedly described second audio, video data is sent to this step of designated terminal is specially:
Based on the first cordless communication network, described second audio, video data is sent to described designated terminal;
When being linked into the second cordless communication network, described second cordless communication network is switched to from described first cordless communication network, send described second audio, video data to described designated terminal with described second cordless communication network, the network bandwidth of described second cordless communication network is greater than the network bandwidth of described first cordless communication network.
3. video frequency monitoring method as claimed in claim 1, is characterized in that, described in described second audio, video data is sent to this step of designated terminal when ad hoc condition being detected and is specially:
When ad hoc condition being detected, described second audio, video data is sent to designated terminal, and deletes described second audio, video data sent.
4. video frequency monitoring method as claimed in claim 1, is characterized in that, described in detect that this step of ad hoc condition specifically comprises:
The second transmission instruction that user triggers detected; And/or,
Particular time arrives.
5. the video frequency monitoring method as described in any one of Claims 1-4, is characterized in that, after gathering the first audio, video data and this step of the second audio, video data during described video monitoring, described video frequency monitoring method comprises simultaneously:
Described first audio, video data is stored with the first storage medium;
Described second audio, video data is stored with the second storage medium.
6. a vehicle-mounted video monitoring device, is characterized in that, described vehicle-mounted video monitoring device comprises memory module, control module and wireless communication module;
Described control module is used for: gather the first audio, video data and the second audio, video data during video monitoring simultaneously, and in described memory module, storing described first audio, video data and described second audio, video data respectively, the resolution of the first image be made up of described first audio, video data is greater than the resolution of the second image be made up of described second audio, video data;
Described control module also for: when ad hoc condition being detected, export described second audio, video data to described wireless communication module;
Described wireless communication module is used for: described second audio, video data described control module exported is sent to designated terminal, makes user judge whether that triggering first sends instruction according to described second image that described designated terminal provides;
Described control module also for: detect described first send instruction time, send instruction described first audio, video data of part of specifying by described first and export described wireless communication module to;
Described wireless communication module also for: described first audio, video data of the part described control module exported is sent to described designated terminal.
7. vehicle-mounted video monitoring device as claimed in claim 6, is characterized in that,
Described wireless communication module specifically for: based on the first cordless communication network, described second audio, video data is sent to described designated terminal;
Described wireless communication module also for: when being linked into the second cordless communication network, switch to described second cordless communication network from described first cordless communication network, send described second audio, video data to described designated terminal with described second cordless communication network;
Wherein, the network bandwidth of described second cordless communication network is greater than the network bandwidth of described first cordless communication network.
8. vehicle-mounted video monitoring device as claimed in claim 6, is characterized in that,
Described control module specifically for: when ad hoc condition being detected, described second audio, video data is sent to designated terminal, and deletes described second audio, video data sent in described memory module.
9. vehicle-mounted video monitoring device as claimed in claim 6, is characterized in that,
Described control module specifically for: detect that user triggers second send instruction time be judged to ad hoc condition to be detected;
Described control module is judged to ad hoc condition to be detected when arriving specifically for: particular time.
10. the vehicle-mounted video monitoring device as described in any one of claim 6 to 9, is characterized in that, described memory module comprises the first storage medium and the second storage medium;
Described first storage medium is used for: store described first audio, video data;
Described second storage medium is used for: store described second audio, video data.
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