CN105138578A - Sorted storage method for target picture and terminal employing sorted storage method - Google Patents

Sorted storage method for target picture and terminal employing sorted storage method Download PDF

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Publication number
CN105138578A
CN105138578A CN201510461516.0A CN201510461516A CN105138578A CN 105138578 A CN105138578 A CN 105138578A CN 201510461516 A CN201510461516 A CN 201510461516A CN 105138578 A CN105138578 A CN 105138578A
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CN
China
Prior art keywords
classified information
target photo
information
module
classified
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CN201510461516.0A
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Chinese (zh)
Inventor
魏党伟
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Beijing Qihoo Technology Co Ltd
Qizhi Software Beijing Co Ltd
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Beijing Qihoo Technology Co Ltd
Qizhi Software Beijing Co Ltd
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Application filed by Beijing Qihoo Technology Co Ltd, Qizhi Software Beijing Co Ltd filed Critical Beijing Qihoo Technology Co Ltd
Priority to CN201510461516.0A priority Critical patent/CN105138578A/en
Publication of CN105138578A publication Critical patent/CN105138578A/en
Priority to PCT/CN2015/098790 priority patent/WO2017016160A1/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/28—Databases characterised by their database models, e.g. relational or object models
    • G06F16/284—Relational databases
    • G06F16/285—Clustering or classification
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/11—File system administration, e.g. details of archiving or snapshots
    • G06F16/113—Details of archiving
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • G06F16/35—Clustering; Classification

Abstract

The invention relates to the technical field of picture storage at intelligent terminals, in particular to a sorted storage method for a target picture and a corresponding terminal employing the sorted storage method, and discloses a sorted storage method of a target picture. The method comprises the following steps: responding to a capturing instruction with classified information and carrying out capturing to obtain a target picture through a camera; adding the classified information to attribute information of the target picture; and storing the target picture into a target folder corresponding to the classified information. The invention further provides a sorted storage terminal for a target employing the method. The terminal comprises a capturing module, an attribute setting module and a storage module. According to the method and the terminal disclosed by the invention, sorted storage of the target picture into the corresponding target folder on the basis of the classified information can be achieved; and a user only needs to directly access the corresponding target folder when searching the target picture, so that searching is facilitated; and the controllability of the user is improved.

Description

Target Photo classification storage means and terminal thereof
[technical field]
The present invention relates to intelligent terminal picture-storage technical field, particularly the terminal of a kind of Target Photo classification storage means and correspondence thereof.
[background technology]
Drive recorder can registration of vehicle video image in the process of moving and sound, is equivalent to the black box of vehicle.When user drives, open the video camera on drive recorder, just can take landscape on the way or traffic information by video camera, then captured video information is stored in the memory storage of this locality or by Internet Transmission to high in the clouds.But the limited storage space of drive recorder, and the storage of video data needs the storage space of at substantial., store with this video data meanwhile, when user needs the image finding certain type or particular event, need a large amount of manpower of cost and time.Such as, in some scenes, when user inquires about certain traffic hazard that certain day certain time period occurred in the video data taken, can only all video recording of manual fast forwarding and fast rewinding browse queries, use very inconvenient.
In fact, the picture major part of shot by camera belongs to normal condition, if can interested for user special frame classification be stored in time, not only can greatly reduce memory space and transmission quantity, also facilitate user search.But in driving conditions, it is breakneck that manual control is taken pictures.Thus, expecting to realize capturing and carrying out Ordering to picture by drive recorder within the extremely short time, is very difficult for car owner.
On the other hand, be stored in the picture file in the terminal of drive recorder, intelligent video camera head and so on, when storage area is filled with, if do not shifted in time, usually can be covered by the picture file increased newly.Picture file occupies larger space usually, and the linking Internet provided by mobile communications network, directly to server uploading pictures file, had not both been taken into account the problem of the too high network communication quality that causes of the speed of a motor vehicle and efficiency, and also can have been produced the campus network of great number.
Really, same problem is not only confined to drive recorder, also comprises other and does not have user interface, or user's also inconvenient intelligent terminal operated in time, such as intelligent video camera head, intelligent watch etc.
[summary of the invention]
The object of the invention is to solve at least one problem above-mentioned, provide a kind of Target Photo classification storage means and terminal thereof.
For realizing this object, the present invention adopts following technical scheme:
A kind of Target Photo classification storage means provided by the invention, comprises the following steps:
In response to the candid photograph instruction with classified information, captured by camera and obtain Target Photo;
Described classified information is added in the attribute information of described Target Photo;
Described Target Photo is saved to the destination folder corresponding with classified information.
Concrete, described candid photograph instruction is phonetic order, and described classified information is from nature contained by phonetic order
Determine in language.
Disclosed according to one embodiment of present invention, described in response to the candid photograph instruction with classified information,
Captured the step obtaining Target Photo by camera, specifically comprise:
Obtain the voice stream data with classified information to be identified;
Identify described voice stream data, parse the classified information of character string text formatting;
Capture to obtain the Target Photo corresponding with this classified information by camera.
Disclosed according to still another embodiment of the invention, the described voice stream data of described identification, resolved word occurrence
The step of the classified information of symbol string text formatting, comprising:
The voice stream data of acquisition is covered in speech recognition request and is submitted to by remote interface;
Obtain by this remote interface the correspondence fed back in response to this speech recognition request and resolve this voice stream data and the classified information of the character string text formatting obtained.
Disclosing according to another embodiment of the invention, the described voice stream data of described identification, parses
The step of the classified information of character string text formatting, comprising:
The voice stream data of acquisition and local voice storehouse are carried out match cognization process;
Obtain the classified information of the character string text formatting matched with this voice stream data.
Further, described classified information is added the step in the attribute information of described Target Photo, also comprises:
By described Target Photo boil down to specific format file;
Call navigation module and obtain Present navigation information;
Described navigation information and classified information are added in the attribute information of this file.
Preferably, described destination folder is based upon on SD card.
Concrete, described Target Photo is saved to the step of the destination folder corresponding with classified information, comprises:
Detect and whether there is destination folder corresponding to described classified information;
If yes, this Target Photo is saved to this destination folder;
If NO, then create the described destination folder corresponding with this classified information and this Target Photo is saved to this destination folder.
Optionally, described navigation module obtains the navigation information of Target Photo according to NMEA-0182 agreement, or is obtained the navigation information of Target Photo by architecture mode.
Preferably, described navigation information and classified information are added in the EXIF information of described Target Photo.
Optionally, the suffix of described specific format file is called any one in JPG, JPEG, PNG.
Optionally, described Target Photo triggers and takes pictures by calling exposal model and obtain; Or capture the video image of corresponding time point when instruction sends by intercepting and capturing and obtain.
Concrete, the type that described classified information comprises comprise personage, landscape, traffic accident, road conditions all types of in any amount type.
Concrete, described navigation information comprise in time, geographic position, direction of traffic, road speed, geographical longitude and latitude any one or multiple arbitrarily.
Further, to be uploaded the Target Photo in each destination folder by LAN (Local Area Network) in response to external command.
Further, only when the characteristic information judging to extract from the audio data stream of described phonetic order matches with the local vocal print feature prestored, just classified information identification is carried out to described phonetic order.
Present invention also offers a kind of Target Photo classification storage terminal, include:
Capture module, in response to the candid photograph instruction with classified information, captured by camera and obtain Target Photo;
Attribute setup module, for adding in the attribute information of described Target Photo by described classified information;
Memory module, for being saved to the destination folder corresponding with classified information by described Target Photo.
Concrete, described candid photograph module is voice module, and described classified information is determined from natural language contained by the phonetic order that voice module receives.
Disclosing according to one embodiment of present invention, described voice module also includes:
Speech reception module, for obtaining the voice stream data with classified information to be identified;
Sound identification module, for identifying described voice stream data, parses the classified information of character string text formatting;
Processing module, obtains the Target Photo corresponding with this classified information for being captured by camera.
Disclosing according to still another embodiment of the invention, described sound identification module is configured to: covered in speech recognition request by the voice stream data of acquisition and submitted to by remote interface;
Obtain by this remote interface the correspondence fed back in response to this speech recognition request and resolve this voice stream data and the classified information of the character string text formatting obtained.
Disclosing according to another embodiment of the invention, described sound identification module is also configured to: the voice stream data of acquisition and local voice storehouse are carried out match cognization process;
Obtain the classified information of the character string text formatting matched with this voice stream data.
Concrete, described attribute setup module also includes:
Compression module, for by described Target Photo boil down to specific format file;
Navigation information acquisition module, obtains Present navigation information for calling navigation module;
Attribute load-on module, for adding to described navigation information and classified information in the attribute information of this file.
Preferably, described destination folder is based upon on SD card.
Concrete, whether described memory module is also configured to detect exists destination folder corresponding to described classified information;
If yes, this Target Photo is saved to this destination folder;
If NO, then create the described destination folder corresponding with this classified information and this Target Photo is saved to this destination folder.
Optionally, described navigation module obtains the navigation information of Target Photo by NMEA-0182 agreement, or is obtained the navigation information of Target Photo by architecture mode.
Preferably, described attribute load-on module is configured to described navigation information and classified information to add in the EXIF information of described Target Photo.
Optionally, the suffix of described specific format file is called any one in JPG, JPEG, PNG.
Optionally, described candid photograph module is configured to trigger and take pictures by calling exposal model and obtain described Target Photo; Or be configured to capture the video image of corresponding time point when instruction sends by intercepting and capturing and obtain described Target Photo.
Concrete, the type that described classified information comprises comprise personage, landscape, traffic accident, road conditions all types of in any amount type.
Concrete, described navigation information comprise in time, geographic position, direction of traffic, road speed, geographical longitude and latitude any one or multiple arbitrarily.
Further, also include sending module, described sending module is used for the Target Photo uploaded by LAN (Local Area Network) in response to external command in each destination folder.
Further, described voice module is also configured to, only when the characteristic information judging to extract from the audio data stream of described phonetic order matches with the local vocal print feature prestored, just carry out classified information identification to described phonetic order.
Compared with prior art, the present invention possesses following advantage:
1, the present invention is when video camera carries out normal photographing, when user wishes to preserve a certain picture, sends the candid photograph instruction of the classified information based on this pictorial feature, captures acquisition Target Photo in response to this instruction by camera; Described classified information is added in the attribute information of described Target Photo simultaneously; And described Target Photo is saved to the destination folder corresponding with classified information.Thus realize based on certain classified information, interested for user special frame being captured, be kept at an independent storage area corresponding with this classified information, there will not be when to be kept at same storage area with video easily by problem that video data covers.And, when user wants to search special frame based on a certain classified information, can directly access the file corresponding with this classified information and obtain, and a large amount of manpowers and time need not be spent to be obtained by the video recording that fast forwarding and fast rewinding browse queries is all.
2, capturing instruction in the present invention is phonetic order, determines the classified information of the types such as described personage, landscape, traffic accident and road conditions from natural language contained by phonetic order.Adopt voice to be used as capturing instruction, can avoid occurring when driver drives, also need remove to trigger the physical button that is arranged on drive recorder end or touch control key with hand and easily occur the problem of potential safety hazard, user experience and security can be substantially increased.
3, the present invention is also provided with the navigation informations such as time, geographic position, direction of traffic, road speed, geographical longitude and latitude in the attribute of picture.Navigation information and classified information are set in the picture captured, facilitate user to search more accurately.And when picture is uploaded to after in Cloud Server, better can coordinate with the search for application in high in the clouds, for other users provide more accurate picture searching information, improve search efficiency.
4, the present invention realizes further combined with high in the clouds technology, by sending the speech recognition request that comprises described voice stream data and the correspondence receiving remote server feedback resolves this voice stream data and described classified information determined by the character string text that obtains, due to the science more comprehensively of the data in remote server, also science is accurate more to make the classified information that obtains, there is general adaptability, thus can avoid causing erroneous judgement, improve reliability further.
5, Target Photo can be uploaded by LAN (Local Area Network) by the present invention further, thus Target Photo can be transferred to certain equipment in LAN (Local Area Network), realize the transfer of picture file, and available protecting picture file is not lost because of capped.
The aspect that the present invention adds and advantage will part provide in the following description, and these will become obvious from the following description, or be recognized by practice of the present invention.
[accompanying drawing explanation]
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the program flow diagram of an embodiment of Target Photo of the present invention classification storage means;
Fig. 2 is the program flow diagram of another embodiment of Target Photo of the present invention classification storage means;
Fig. 3 is the program flow diagram of another embodiment of Target Photo of the present invention classification storage means;
Fig. 4 is the program flow diagram of an embodiment of Target Photo of the present invention classification storage means;
Fig. 5 is the structural representation of an embodiment of Target Photo of the present invention classification storage terminal;
Fig. 6 is the structural representation capturing module in another embodiment of the present invention;
Fig. 7 is the structural representation of attribute setup module in an alternative embodiment of the invention;
Fig. 8 is the structural representation of one embodiment of the present of invention.
[embodiment]
Be further described the present invention below in conjunction with accompanying drawing and exemplary embodiment, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.In addition, if the detailed description of known technology is for illustrating that feature of the present invention is unnecessary, then omitted.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in instructions of the present invention " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.Should be appreciated that, when we claim element to be " connected " or " coupling " to another element time, it can be directly connected or coupled to other elements, or also can there is intermediary element.In addition, " connection " used herein or " coupling " can comprise wireless connections or wirelessly to couple.Wording "and/or" used herein comprises one or more whole or arbitrary unit listing item be associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology), have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.It should also be understood that, those terms defined in such as general dictionary, should be understood to that there is the meaning consistent with the meaning in the context of prior art, unless and by specific definitions as here, otherwise can not explain by idealized or too formal implication.
Those skilled in the art of the present technique are appreciated that, here used " terminal ", " terminal device " had both comprised the equipment of wireless signal receiver, it only possesses the equipment of the wireless signal receiver without emissive ability, comprise again the equipment receiving and launch hardware, it has and on bidirectional communication link, can perform the reception of two-way communication and launch the equipment of hardware.This equipment can comprise: honeycomb or other communication facilitiess, its honeycomb or other communication facilities of having single line display or multi-line display or not having multi-line display; PCS (PersonalCommunicationsService, PCS Personal Communications System), it can combine voice, data processing, fax and/or its communication ability; PDA (PersonalDigitalAssistant, personal digital assistant), it can comprise radio frequency receiver, pager, the Internet/intranet access, web browser, notepad, calendar and/or GPS (GlobalPositioningSystem, GPS) receiver; Conventional laptop and/or palmtop computer or other equipment, it has and/or comprises the conventional laptop of radio frequency receiver and/or palmtop computer or other equipment.Here used " terminal ", " terminal device " can be portable, can transport, be arranged in the vehicles (aviation, sea-freight and/or land), or be suitable for and/or be configured at local runtime, and/or with distribution form, any other position operating in the earth and/or space is run.Here used " terminal ", " terminal device " can also be communication terminal, access terminals, music/video playback terminal, can be such as PDA, MID (MobileInternetDevice, mobile internet device) and/or there is the mobile phone of music/video playing function, also can be the equipment such as intelligent television, Set Top Box.
Those skilled in the art of the present technique are appreciated that, the concepts such as server used here, high in the clouds, remote network devices, have effects equivalent, it includes but not limited to the cloud that computing machine, network host, single network server, multiple webserver collection or multiple server are formed.At this, cloud is formed by based on a large amount of computing machine of cloud computing (CloudComputing) or the webserver, and wherein, cloud computing is the one of Distributed Calculation, the super virtual machine be made up of a group loosely-coupled computing machine collection.In embodiments of the invention, realize communicating by any communication mode between remote network devices, terminal device with WNS server, include but not limited to, the mobile communication based on 3GPP, LTE, WIMAX, the computer network communication based on TCP/IP, udp protocol and the low coverage wireless transmission method based on bluetooth, Infrared Transmission standard.
The application scenarios of method of the present invention and terminal, be hardware foundation based on the drive recorder with camera, processor, communication module and memory module, exemplary illustration is carried out for the drive recorder of the processor being provided with linux system, but should be noted that, this description is only exemplary, scope of the present invention is not limited to this, and the method for the embodiment of the present invention and terminal are also applicable to other operating systems, has nothing to do in essence with operating system.Be understood that, the present invention is not only confined to drive recorder, also comprises other and does not have user interface, or user's also inconvenient intelligent terminal operated in time, such as intelligent video camera head, intelligent watch etc.
Below in conjunction with accompanying drawing 1, a kind of Target Photo classification storage means provided by the invention is described, it comprises the following steps:
S11, in response to the candid photograph instruction with classified information, is captured by camera and obtains Target Photo.
Middle rolling car registering instrument of the present invention is in the driving process of automobile, and camera is taking landscape on the way and traffic information always.When user finds have a certain interested picture to need candid photograph to get off on the way, the candid photograph instruction with this picture classified information directly can be sent.Described candid photograph instruction can be trigger the physical button or contact panel that are arranged on drive recorder, also can be phonetic order.When described candid photograph instruction is by triggering the physical button that is arranged on drive recorder or contact panel and obtaining, described physical button or contact panel should pre-set multiple and each button need corresponding to the wherein class in classified information, from the candid photograph instruction that a certain button of triggering obtains, described classified information is obtained to facilitate processor, but in the method when driver drives, also need to go to trigger with hand the physical button or touch control key that are arranged on drive recorder end, easily occur potential safety hazard.In one of them embodiment of the present invention, in order to ensure driver driving security, preferably adopting phonetic order as described candid photograph instruction, in the natural language of phonetic order that wherein user sends, including classified information.Concrete, the type that described classified information comprises comprise personage, landscape, traffic accident, road conditions all types of in any amount type.
See accompanying drawing 2, in one embodiment of the invention, this step S11 specifically can also comprise the following steps:
S111, obtains the voice stream data with classified information to be identified.
In one embodiment, the present invention preferably adopts microphone as voice recording equipment to obtain the voice stream data of user.Wherein, the sound collection direction of described voice recording equipment is best facing to the position of some seats in car.Such as in one embodiment, the acoustic reception scope of voice recording equipment is defined as driver, and namely microphone is arranged on from the place close to position of driver, to receive the voice signal that interference is little, signal to noise ratio (S/N ratio) is high.Such as, driver can send " personage's bat ", " landscape bat ", " traffic accident bat " or " road conditions bat " phonetic order, wherein " personage ", " landscape ", " traffic accident ", " road conditions " are classified information.The voice analog signal that voice recording equipment is recorded is converted to after digital speech flow data through A/D and is kept in the buffer zone of processor cores again.
S112, identifies described voice stream data, parses the classified information of character string text formatting.
Voice stream data recognizer reads the digital speech flow data of sampling and obtaining by calling read function from the buffer zone of processor cores, and is converted into the classified information of character string text formatting after identifying.Identify the process of classified information from voice stream data, can be realized by two embodiments provided by the invention.Wherein, this step both can be upload to identify in Cloud Server and the classified information of character string text formatting described in obtaining, also can be through and carry out match cognization process to obtain the classified information of described character string text formatting with local voice storehouse.
Each instantiation of following this process of announcement:
1, in one embodiment of the invention, this step identifies in Cloud Server and the classified information of character string text formatting described in obtaining by uploading to, and specifically comprises the following steps:
S112a, the voice stream data of acquisition covers in speech recognition request and is submitted to remote speech Cloud Server by remote interface by voice stream data recognizer;
S112b, identifies at the speech recognition platforms of remote speech Cloud Server this voice stream data and resolves, obtain character string text;
In order to increase the stability of method in the embodiment of the present invention further, the Transmission Control Protocol based on Socket is adopted to carry out communication between voice stream data recognizer and speech cloud server, and adopt asynchronous control method, the obstruction of audio data stream can be avoided like this, ensure reporting in time of audio data stream, better manipulate experience for user provides.Wherein, speech cloud server is the processing platform with sound bank, it can be independently server in network, also can be multiple set that the server of different speech-recognition services is provided, sound bank can provide by independent server, and also can integrate with a certain voice server provides.
S112c, and then obtain by this remote interface the correspondence fed back in response to this speech recognition request and resolve this voice stream data and the classified information of the character string text formatting obtained.
Be understood that, realize in conjunction with high in the clouds technology in the method for embodiment, by send the speech recognition request that comprises described voice stream data and the correspondence receiving remote server feedback resolve this voice stream data and the character string text that obtains to determine described classified information, due to the science more comprehensively of the data in remote server, also science is accurate more to make the classified information that obtains, there is general adaptability, thus can avoid causing erroneous judgement, improve reliability further.
2, in yet another embodiment of the present invention, this step is through carries out match cognization process to obtain the classified information of described character string text formatting with local voice storehouse, specifically comprises the following steps:
S112A, carries out match cognization process by the voice stream data of acquisition and local voice storehouse.
In local voice storehouse, be previously stored with the list that voice stream data and character string text are mapping relations, in this step, voice stream data recognizer calls local voice storehouse, and the voice stream data of acquisition is carried out match cognization process with it.
S112B, obtains the classified information of the character string text formatting matched with this voice stream data.
In this step, search by traversal the list that the classified information being previously stored with voice stream data and character string text formatting is mapping relations, obtain matching with voice stream data the classified information of character string text formatting.Certainly, this sound bank can be download to be saved to this locality and the local voice storehouse that formed from remote speech Cloud Server.If when not finding the classified information of the character string text formatting corresponding with this voice stream data in local voice storehouse, can realize communicating with remote cloud server upgrades local voice storehouse.
Further, method of the present invention also comprises step S113, captures to obtain the Target Photo corresponding with this classified information by camera.
In abovementioned steps, from phonetic order, obtain the classified information of Target Photo, further will call camera and capture to obtain the Target Photo corresponding with this classified information.Realize for ease of prehension program, this sentences USB camera is that example is described.And call in this step camera capture two embodiments specifically can be adopted to realize to obtain the Target Photo corresponding with this classified information.
1, in one embodiment of the invention, described Target Photo triggers and takes pictures by calling exposal model and obtain.At drive recorder with in the processor of linux system, pre-loaded have drive the USB driver of camera.Be understood that, can realize communicating with USB camera by calling USB bottom operation storehouse libusb, provide the steering order of USB, switching camera is camera mode, and arranges the parameters such as camera aperture, shutter, ISO by software instruction.When after the candid photograph instruction that drive recorder obtains with classified information, software instruction can be adopted to trigger the shutter pressing camera, capture and obtain Target Photo.
2, in another embodiment of the present invention, described Target Photo is captured the video image of corresponding time point when instruction sends by intercepting and capturing and obtains.After in response to candid photograph instruction, the frame of video static data of time point corresponding when this candid photograph instruction being sent is intercepted and captured by certain intercepting and capturing algorithm, obtains Target Photo.Wherein, intercepting and capturing algorithm is the known technology of those skilled in that art, is not described in detail in this.
In this step, further, also include only when the characteristic information judging to extract from the audio data stream of described phonetic order matches with the local vocal print feature prestored, just classified information identification is carried out to described phonetic order.This step is for safety, prevents the terminal of disabled user's control realization the solution of the present invention from capturing, and causes photographing the unwanted picture of some users or even invading the picture of other people privacy and occupy storage space or bring unnecessary trouble.Therefore, the speech data of user to be gathered in advance in this locality, the vocal print feature of the uniqueness of characterizing consumer identity can be extracted in these data and be kept at this locality.Thus can further before classified information identification is carried out to phonetic order, first extract the characteristic information of the corresponding audio data stream of this phonetic order, it to be gathered and the vocal print feature of the validated user of this locality that prestores is mated in advance with this locality, if both match, then be considered as this phonetic order legal, otherwise, be then illegal.Only when this instruction is legal, just classified information identification is carried out to phonetic order, and then start the subsequent process captured by camera.
In sum, by above step, obtain the Target Photo corresponding with classified information.
Further, method of the present invention also comprises step S12, described classified information is added in the attribute information of described Target Photo.
For the ease of follow-up classification storage and user's precise search, need to load in the Target Photo obtained and the classified information of this Target Photo and navigation information.Concrete, see accompanying drawing 3, this step S12 also comprises:
S121, by described Target Photo boil down to specific format file.
Often capacity is larger for the Target Photo that the static images captured owing to adopting camera mode or intercept and capture video camera obtains, in order to reduce the capacity of picture, need to adopt the compression algorithm such as Huffman, RLE (run-lengthencoding), LZW (Lempel-Ziv-WelchEncoding) by specific for Target Photo boil down to form after candid photograph obtains Target Photo.As everyone knows, be JPEG (JointPhotographicExpertsGroup), GIF (GraphicsInterchangeFormat) or PNG (PortableNetworkGraphics) form by picture compression in conventional prior art.Wherein, GIF is a kind of Lossless Compression, adopts LZW compression algorithm to encode, and have employed 8 look compressions, can only process at most 256 kinds of colors, be not easy to preserve rgb image; PNG is a kind of lossless data compression bga, and same shortcoming is the same with GIF, is unfavorable for the optimization process of picture, and file size comparatively extended formatting want large; JPEG be a kind of for photograph image a kind of widely used distortion compression standard method, adopt Huffman compression algorithm to carry out destructiveness and compress, first picture is converted to YUV from RGB, stores the information of each pixel by brightness, tone and saturation degree.Then reduce the information content of tone and saturation degree, this difference is not easy to be visually detectable, but image bytes number can significantly reduce.Therefore, in one embodiment of the invention, preferably by described Target Photo boil down to jpeg format file.In one embodiment, by capturing the Target Photo data obtained, the Target Photo of jpeg format is converted to by Huffman compression algorithm.
S122, calls navigation module and obtains Present navigation information.
When picture compression is the picture format of specific format, needs first to call navigation module to obtain Present navigation information, in order to follow-up, this navigation information is loaded in picture attribute.It should be noted that, described navigation module can be built in drive recorder, and can be also external navigation module, the present invention be not construed as limiting this.Further, described navigation module can be GPS navigation module or Beidou satellite navigation.Such as in one embodiment of the invention, described navigation module is GPS navigation module.Optionally, described GPS navigation module obtains the navigation information of Target Photo according to NMEA-0182 agreement, or is obtained the navigation information of Target Photo by architecture mode.Concrete, described navigation information comprise in time, geographic position, direction of traffic, road speed, geographical longitude and latitude any one or multiple arbitrarily.Obtain Present navigation information two embodiments can be adopted to realize by calling navigation module in this step, hereafter illustrate the implementation procedure of each embodiment:
1, in one embodiment of the invention, described GPS navigation module obtains the navigation information of Target Photo according to NMEA-0182 agreement.Concrete, NMEA-0183 agreement is the gps data format protocol of specification.Wherein can comprise the data such as time, geographic position, longitude and latitude, direction of traffic, road speed, GPS navigation module obtains satellite positioning signal from gps satellite, and calculates navigation data.The ASCII character statement based on NMEA-0183 protocol format that processing module treatment and analysis in GPS navigation module receives, obtains navigation information.
2, in another embodiment of the present invention, described GPS navigation module obtains the navigation information of Target Photo by architecture mode, the method is the technological means that those skilled in that art commonly use, and is not described in detail in this.
S123, adds to described navigation information and classified information in the attribute information of this file.
After obtaining navigation information by above step, further, need described navigation information and classified information to add in the attribute information of this file.The present embodiment Target Photo is in the jpeg-format the implementation method that example carrys out this step of brief description.
Those skilled in the art should know, and the picture attribute of jpeg format is arranged in the Exif information of picture.Exif (ExchangeableImageFile) is a kind of image file format.In fact Exif form is exactly the information that jpeg format head inserts picture, the aperture of the shooting that can Load Image, shutter, balance are white, ISO, focusing, the date, time and navigation information.Therefore classified information and navigation information can be added in the Exif information of the Target Photo obtained.In a specific embodiment, jpeg file with character string " 0XFFD8 " beginning, and terminates with character string " 0XFFD9 ", and for storing Exif information between character string " OXFFE0-0XFFEF ".In one embodiment, in target image process by Huffman compression algorithm boil down to jpeg format of the Target Photo data of the rgb format that will obtain, described navigation information and classified information are added in the Exif information between character string " OXFFE0-0XFFEF ", namely achieve the setup of attribute of Target Photo in the present invention.
Although it is pointed out that the present invention carries out example with jpeg file form, it will be appreciated by those skilled in the art that the file layout of PNG and so on also can be adopted by the present invention, showing in picture file suffix name, is .jpeg .jpg .png etc.In some embodiment, for the picture format file not supporting EXIF, the remarks form corresponding with all picture concerned files be stored therein can be built in each destination folder, the mapping relations data between picture file name and above-mentioned navigation information are set up at this form, solve the obstacle of the attribute information interpolation that format differences causes, in like manner can meet demand of the present invention.
In sum, aforementioned method steps completes the acquisition of Target Photo and the setup of attribute of Target Photo.
Further, method of the present invention also comprises step S13, and described Target Photo is saved to the destination folder corresponding with classified information.
Concrete, in order to store the destination folder corresponding with classified information separately, in one embodiment, the present invention illustrates for SD card as storage medium and in fact executes mode, but the restriction do not formed this invention, in other prior aries, Nonvolatile memory devices all can be used as the storage medium of destination folder in this embodiment.
Further, described destination folder is arranged in the file system of SD card, and the destination folder that each classified information correspondence one is unique, such as, destination folder corresponding to classified information " personage " by name 1 or " personage ", the destination folder corresponding to classified information " landscape " by name 2 or " landscape ".Concrete, further comprising the steps of: to detect in the file system of SD card whether there is destination folder corresponding to described classified information; If yes, this Target Photo is saved to this destination folder; If NO, then create the described destination folder corresponding with this classified information and this Target Photo is saved to this destination folder.Such as in one embodiment of the invention, obtaining one with the Target Photo of " personage " of classified information and after having added attribute information, detect in SD card and whether there is the destination folder corresponding with it, to be checked measure exist folder name for " personage " or 1 destination folder after, the described Target Photo with " personage " classified information is moved to this destination folder; After to obtain one be the Target Photo of " traffic accident " with classified information, first detect in SD card whether there is the destination folder corresponding with it, when the destination folder corresponding with it not detected, set up one by name " traffic accident " or by name 3 file as the destination folder corresponding with it, then move to this newly-built destination folder by being somebody's turn to do with the Target Photo of " traffic accident " classified information.
That is, when classifying the Target Photo storing a certain class classified information first, needs create the destination folder corresponding with its classified information, in follow-up sort operation, directly Target Photo to be sorted is moved in existing corresponding destination folder.In this enforcement, microcontroller in drive recorder realizes communicating with SD card by SPI (SerialPeripheralInterface Serial Peripheral Interface (SPI)), realize in SD card file system, setting up file and being stored into data, the embodiment of this technology is the known technology of those skilled in that art, is not described in detail in this.
Further, in order to make picture file shift in time, the present invention also comprises step S14: to be uploaded the Target Photo in each destination folder in response to external command by radiowave, refer to Fig. 4.
Because the memory capacity in SD card is limited, when the capacity of SD card is expired soon, or when user wishes a certain interested Target Photo to be transferred on the mobile terminal such as mobile phone, PAD, described in the local network transport that can be built by point-to-point (AD-Hoc or WiFiDirect, the SmartLink etc.) interconnection technique of support such as bluetooth or WIFI, Target Photo is on mobile terminal, certainly, prerequisite is that drive recorder can realize communicating with the mobile terminal such as mobile phone or PAD.It should be noted that, the present embodiment is not defined as transmission objectives picture yet, under the condition that flow and the network bandwidth allow, also directly destination folder corresponding for a certain interested classified information including several Target Photos can be transferred to mobile phone or mobile terminal.By this step, Target Photo can be uploaded by LAN (Local Area Network), thus Target Photo can be transferred to certain equipment in LAN (Local Area Network), realize the transfer of picture file, available protecting picture file is not lost because of capped.
In sum, the present invention, when video camera carries out normal photographing, when user wishes to preserve a certain picture, sends the candid photograph instruction of the classified information based on this pictorial feature, captures acquisition Target Photo in response to this instruction by camera; And described classified information is added in the attribute information of described Target Photo simultaneously; And described Target Photo is saved to the destination folder corresponding with classified information.Thus realize based on certain classified information, interested for user special frame being captured, be kept at an independent storage area corresponding with this classified information, there will not be when to be kept at same storage area with video easily by problem that video data covers.And, when user wants to search special frame based on a certain classified information, can directly access the file corresponding with this classified information and obtain, and a large amount of manpowers and time need not be spent to be obtained by the video recording that fast forwarding and fast rewinding browse queries is all.
Further, according to the function modoularization thinking of computer software, the invention provides the terminal that the classification of a kind of Target Photo stores, refer to Fig. 5, this terminal comprises captures module 11, attribute setup module 12 and memory module 13, utilize this candid photograph module 11, attribute setup module 12 and memory module 13 to erect the principle framework of whole terminal, thus realize modularization embodiment.The concrete concrete function disclosing each module and realize below.
Described candid photograph module 11, in response to the candid photograph instruction with classified information, is captured by camera and obtains Target Photo.
Middle rolling car registering instrument of the present invention is in the driving process of automobile, and camera is taking landscape on the way and traffic information always.When user finds have a certain interested picture to need candid photograph to get off on the way, the candid photograph instruction with this picture classified information directly can be sent.Described candid photograph instruction can be trigger to be arranged on to capture physical button in module 11 or contact panel, also can be phonetic order.When described candid photograph instruction be by trigger be arranged on capture physical button in module 11 or contact panel obtain time, described physical button or contact panel should pre-set multiple and each button need corresponding to the wherein class in classified information, from the candid photograph instruction that a certain button of triggering obtains, described classified information is obtained to facilitate processor, but in the method when driver drives, also need to go to trigger with hand the physical button that is arranged on and captures in module 11 or touch control key, easily occur potential safety hazard.In one of them embodiment of the present invention, in order to ensure driver driving security, preferably adopting phonetic order as described candid photograph instruction, in the natural language of phonetic order that wherein user sends, including classified information.Concrete, the type that described classified information comprises comprise personage, landscape, traffic accident, road conditions all types of in any amount type.
See accompanying drawing 6, in one embodiment of the invention, this candid photograph module 11 can also include speech reception module 111, sound identification module 112 and processing module 113.
Described speech reception module 111, for obtaining the voice stream data with classified information to be identified.
In one embodiment of the invention, microphone is preferably adopted to obtain the voice stream data of user as speech reception module 111.Wherein, the sound collection direction of described speech reception module 111 is best facing to the position of some seats in car.Such as in one embodiment, the acoustic reception scope of speech reception module 111 is defined as driver, and namely this module installation is from the place close to position of driver, to receive the voice signal that interference is little, signal to noise ratio (S/N ratio) is high.Such as when embody rule, driver can send " personage's bat ", " landscape bat ", " traffic accident bat " or " road conditions bat " phonetic order, wherein " personage ", " landscape ", " traffic accident ", " road conditions " are comprised classified information.The voice analog signal that speech reception module 111 is recorded is converted to after digital speech flow data through A/D and is kept in the buffer zone of processor cores again.
Described sound identification module 112, for identifying described voice stream data, parses the classified information of character string text formatting.
Sound identification module 112 reads the digital speech flow data of sampling and obtaining by calling read function from the buffer zone of processor cores, and is converted into the classified information of character string text formatting after identifying.Identified the process of classified information by sound identification module 112 from voice stream data, can be realized by two embodiments provided by the invention.Wherein, this module both can be identify in Cloud Server and the classified information of character string text formatting described in obtaining by uploading to, and also can be through and carry out match cognization process to obtain the classified information of described character string text formatting with local voice storehouse.
Each instantiation of following this module of announcement:
1, in one embodiment of the invention, this sound identification module 112 identifies in Cloud Server and the classified information of character string text formatting described in obtaining by uploading to, and specifically comprises:
112a, the voice stream data of acquisition covers in speech recognition request and is submitted to remote speech Cloud Server by remote interface by sound identification module 112.
112b, identifies at the speech recognition platforms of remote speech Cloud Server this voice stream data and resolves, obtain character string text.
In order to increase the stability of module in the embodiment of the present invention further, the Transmission Control Protocol based on Socket is adopted to carry out communication between sound identification module 112 and speech cloud server, and adopt asynchronous control method, the obstruction of audio data stream can be avoided like this, ensure reporting in time of audio data stream, better manipulate experience for user provides.Wherein, speech cloud server is the processing platform with sound bank, it can be independently server in network, also can be multiple set that the server of different speech-recognition services is provided, sound bank can provide by independent server, and also can integrate with a certain voice server provides.
112c, then sound identification module 112 obtains by this remote interface the correspondence fed back in response to this speech recognition request again and resolves this voice stream data and the classified information of the character string text formatting obtained.
Be understood that, realize in conjunction with high in the clouds technology in an embodiment, send by sound identification module 112 speech recognition request that comprises described voice stream data and the correspondence receiving remote server feedback resolve this voice stream data and the character string text that obtains to determine described classified information, due to the science more comprehensively of the data in remote server, also science is accurate more to make the classified information that obtains, there is general adaptability, thus can avoid causing erroneous judgement, improve reliability further.
2, in yet another embodiment of the present invention, this sound identification module 112 is through and carries out match cognization process to obtain the classified information of described character string text formatting with local voice storehouse, specifically comprises:
112A, the voice stream data of acquisition and local voice storehouse are carried out match cognization process by sound identification module 112.
In local voice storehouse, be previously stored with the list that voice stream data and character string text are mapping relations, adopt sound identification module 112 to call local voice storehouse, the voice stream data of acquisition is carried out match cognization process with it.
112B, sound identification module 112 obtains the classified information of the character string text formatting matched with this voice stream data.
In the present embodiment, search by traversal the list that the classified information being previously stored with voice stream data and character string text formatting is mapping relations, obtain matching with voice stream data the classified information of character string text formatting.Certainly, this sound bank is downloaded and is saved to this locality and the local voice storehouse that formed from remote speech Cloud Server.When not finding the classified information of the character string text formatting corresponding with this voice stream data in local voice storehouse, can realize communicating with remote cloud server upgrades local voice storehouse.
Further, capture module 11 and also comprise processing module 113 in the present invention, described processing module 113 captures to obtain the Target Photo corresponding with this classified information by camera.
In aforesaid sound identification module 112, from phonetic order, obtain the classified information of Target Photo, further will call camera by processing module 113 and capture to obtain the Target Photo corresponding with this classified information.For ease of understanding the realization of this module, this sentences USB camera is that example is described.And by processing module 113 call camera capture two embodiments specifically can be adopted to realize to obtain the Target Photo corresponding with this classified information.
1, in one embodiment of the invention, described Target Photo calls exposal model by processing module 113 and triggers and take pictures and obtain.At drive recorder with in the processor of linux system, pre-loaded have drive the USB driver of camera.Be understood that, can call USB bottom operation storehouse libusb by processing module 113 and realize communicating with USB camera, provide the steering order of USB, switching camera is camera mode, and arranges the parameters such as camera aperture, shutter, ISO by software instruction.When after the candid photograph instruction that speech reception module 111 obtains with classified information, processing module 113 can adopt software instruction to trigger the shutter pressing camera, captures and obtains described Target Photo.
2, in another embodiment of the present invention, described Target Photo is intercepted and captured the video image of corresponding time point when candid photograph instruction sends by processing module 113 and obtains.After in response to candid photograph instruction, the frame of video static data of time point corresponding when this candid photograph instruction sends by processing module 113 is intercepted and captured by certain intercepting and capturing algorithm, obtains described Target Photo.Wherein, intercepting and capturing algorithm is the known technology of those skilled in that art, is not described in detail in this.
In this module, further, described voice module only when the characteristic information judging to extract from the audio data stream of described phonetic order matches with the local vocal print feature prestored, just carries out classified information identification to described phonetic order.For the sake of security, prevent the terminal of disabled user's control realization the solution of the present invention from capturing, and cause photographing the uninterested picture of some users or even invading the picture of other people privacy and occupy storage space or bring unnecessary trouble.Therefore, the speech data of user to be gathered in advance in this locality, the vocal print feature of the uniqueness of characterizing consumer identity can be extracted in these data and be kept at this locality.Thus can further before classified information identification is carried out to phonetic order, speech reception module 111 first extracts the characteristic information of the corresponding audio data stream of this phonetic order, it to be gathered and the vocal print feature of the validated user of this locality that prestores is mated in advance with this locality, if both match, then be considered as this phonetic order legal, otherwise, be then illegal.Only when this instruction is legal, just performed by sound identification module 112 and follow-up classified information identification is carried out to phonetic order, and then start by processing module 113 subsequent process that camera captures.
In sum, corresponding with classified information Target Photo is obtained by capturing module 11.
Further, the present invention also includes attribute setup module 12, and described classified information adds in the attribute information of described Target Photo by described attribute setup module 12.
For the ease of follow-up classification storage and user's precise search, need to load in the Target Photo obtained and the classified information of this Target Photo and navigation information.Concrete, see accompanying drawing 7, in one embodiment of the invention, described attribute setup module 12 also includes compression module 121, navigation information acquisition module 122 and attribute load-on module 123.
Described compression module 121, for by described Target Photo boil down to specific format file.
Often capacity is larger for the Target Photo that the static images captured owing to adopting camera mode or intercept and capture video camera obtains, in order to reduce the capacity of picture, need to adopt the compression algorithm such as Huffman, RLE (run-lengthencoding), LZW (Lempel-Ziv-WelchEncoding) by specific for Target Photo boil down to form after candid photograph obtains Target Photo.As everyone knows, picture compression is JPEG (JointPhotographicExpertsGroup), GIF (GraphicsInterchangeFormat) or PNG (PortableNetworkGraphics) form by conventional prior art.As everyone knows, GIF is a kind of Lossless Compression, adopts LZW compression algorithm to encode, and have employed 8 look compressions, can only process at most 256 kinds of colors, be not easy to preserve rgb image; PNG is a kind of lossless data compression bga, and same shortcoming is the same with GIF, is unfavorable for the optimization process of picture, and file size comparatively extended formatting want large; JPEG be a kind of for photograph image a kind of widely used distortion compression standard method, adopt Huffman compression algorithm to carry out destructiveness and compress, first picture is converted to YUV from RGB, stores the information of each pixel by brightness, tone and saturation degree.Then reduce the information content of tone and saturation degree, this difference is not easy to be visually detectable, but image bytes number can significantly reduce.Therefore, in one embodiment of the invention, described compression module 121 is preferably by described Target Photo boil down to jpeg format file.In one embodiment of the invention, compression module 121, by capturing the Target Photo data obtained, is converted to the Target Photo of jpeg format by Huffman compression algorithm.
Described navigation information acquisition module 122, obtains Present navigation information for calling navigation module.
When picture compression is the picture format of specific format by compression module 121 in the preamble, needs navigation information acquisition module 122 first to call navigation module to obtain Present navigation information, in order to follow-up, this navigation information is loaded in picture attribute.It should be noted that, described navigation module can be built in drive recorder, and can be also external navigation module, the present invention be not construed as limiting this.Further, described navigation module can be GPS navigation module or Beidou satellite navigation.Such as in one embodiment of the invention, described navigation module is GPS navigation module.Optionally, described GPS navigation module obtains the navigation information of Target Photo according to NMEA-0182 agreement, or is obtained the navigation information of Target Photo by architecture mode.Concrete, described navigation information comprise in time, geographic position, direction of traffic, road speed, geographical longitude and latitude any one or multiple arbitrarily.First call navigation module by navigation breath acquisition module 122 to obtain Present navigation information two embodiments can be adopted to realize, hereafter illustrate the implementation procedure of each embodiment:
1, in one embodiment of the invention, the navigation information of GPS navigation module according to NMEA-0182 agreement acquisition Target Photo is called by navigation information acquisition module 122.Concrete, NMEA-0183 agreement is the gps data format protocol of specification.Wherein can comprise the data such as time, geographic position, longitude and latitude, direction of traffic, road speed, GPS navigation module obtains satellite positioning signal from gps satellite, and calculates navigation data.Navigation information acquisition module 122 treatment and analysis from the interface of navigation module to the ASCII character statement based on NMEA-0183 protocol format, obtain described navigation information.
2, in another embodiment of the present invention, described navigation information acquisition module 122 to obtain the navigation information of Target Photo based on architecture mode by calling GPS navigation module, the method is the technological means that those skilled in that art commonly use, and is not described in detail in this.
Described attribute load-on module 123, for adding to described navigation information and classified information in the attribute information of this specific format picture file.
After obtaining navigation information by aforementioned buddy data obtaining module 122, further, also need to adopt attribute load-on module 123 described navigation information and classified information to be added in the attribute information of this file.The present embodiment Target Photo is in the jpeg-format the implementation method that example carrys out this embodiment of brief description.
Those skilled in the art should know, and the picture attribute of jpeg format is arranged in the Exif information of picture.Exif (ExchangeableImageFile) is a kind of image file format.In fact Exif form is exactly the information inserting picture at jpeg format head, the aperture of the shooting that can Load Image, shutter, balance are white, ISO, focusing, the date, time and navigation information.Therefore classified information and navigation information can be added in the Exif information of the Target Photo obtained.In a specific embodiment, jpeg file with character string " 0XFFD8 " beginning, and terminates with character string " 0XFFD9 ", and for storing Exif information between character string " OXFFE0-0XFFEF ".In one embodiment, in target image process by Huffman compression algorithm boil down to jpeg format of the Target Photo data of the rgb format that will obtain, described navigation information and classified information are added in the Exif information between character string " OXFFE0-0XFFEF ", namely achieve the setup of attribute of Target Photo in the present invention.
Although it is pointed out that the present invention carries out example with jpeg file form, it will be appreciated by those skilled in the art that the file layout of PNG and so on also can be adopted by the present invention, showing in picture file suffix name, is .jpeg .jpg .png etc.In some embodiment, for the picture format file not supporting EXIF, the remarks form corresponding with all picture concerned files be stored therein can be built in each destination folder, the mapping relations data between picture file name and above-mentioned navigation information are set up at this form, solve the obstacle of the attribute information interpolation that format differences causes, in like manner can meet demand of the present invention.
In sum, aforementioned candid photograph module 11 completes the setup of attribute that the acquisition of Target Photo and attribute setup module 12 complete Target Photo.
Further, the present invention also includes memory module 13, described memory module 13, is configured to described Target Photo to be saved to the destination folder corresponding with classified information.
Concrete, in order to store the destination folder corresponding with classified information separately, in one embodiment, the present invention illustrates present embodiment for SD card as the storage medium of this memory module 13, but the restriction do not formed this invention, in other prior aries, Nonvolatile memory devices all can be used as the storage medium of destination folder in this embodiment.
Further, described destination folder is arranged in the file system of SD card, and the destination folder that each classified information correspondence one is unique, such as, destination folder corresponding to classified information " personage " by name 1 or " personage ", the destination folder corresponding to classified information " landscape " by name 2 or " landscape ".Concrete, described memory module 13 is also configured to whether there is destination folder corresponding to described classified information in the file system of detection SD card; If yes, this Target Photo is saved to this destination folder by memory module 13; If NO, then create the described destination folder corresponding with this classified information by memory module 13 and this Target Photo is saved to this destination folder.Such as in one embodiment of the invention, handling module 11 is the Target Photo of " personage " with classified information and has added attribute information by attribute setup module 12 obtaining one, detect in SD card whether there is the destination folder corresponding with it by memory module 13, to be checked measure exist folder name for " personage " or 1 destination folder after, the described Target Photo with classified information " personage " is moved to this destination folder by memory module 13; After to obtain one be the Target Photo of " traffic accident " with classified information, memory module 13 first detects in SD card whether there is the destination folder corresponding with it, when the destination folder corresponding with it not detected, memory module 13 set up one by name " traffic accident " or be 3 file as the destination folder corresponding with it, then move to this newly-built destination folder by being somebody's turn to do with the Target Photo of " traffic accident ".
That is, need when memory module 13 classifies the Target Photo storing a certain class classified information first to create the destination folder corresponding with this classified information, in follow-up sort operation, directly Target Photo to be sorted is moved in existing corresponding destination folder.In this enforcement, memory module 13 realizes communicating with SD card by SPI (SerialPeripheralInterface) Serial Peripheral Interface (SPI), realize in SD card file system, setting up file and being stored into data, the embodiment of this technology is the known technology of those skilled in that art, is not described in detail in this.
Further, in order to picture file shifts in time, the present invention also includes sending module 14, refers to accompanying drawing 8.Described sending module 14, for uploading the Target Photo in each destination folder by radiowave in response to external command.Optionally, described sending module is bluetooth module or WIFI module.Because the memory capacity in SD card is limited, when the capacity of SD card is expired soon, or when user wishes a certain interested Target Photo to be transferred on the mobile terminal such as mobile phone, PAD, described in the local network transport that can be built by point-to-point (AD-Hoc or WiFiDirect, the Smartlink etc.) interconnection technique of support such as bluetooth module or WIFI module, Target Photo is on mobile terminal, certainly, prerequisite is that sending module 14 can realize communicating with the mobile terminal such as mobile phone or PAD in advance.It should be noted that, the present embodiment is not defined as transmission objectives picture yet, under the condition that flow or the network bandwidth of sending module 14 allow, also directly destination folder corresponding for a certain interested classified information including several Target Photos can be transferred to mobile phone or mobile terminal.By this sending module 14, Target Photo can be uploaded by LAN (Local Area Network), thus Target Photo can be transferred to certain equipment in LAN (Local Area Network), realize the transfer of picture file, available protecting picture file is not lost because of capped.
In sum, the present invention, when video camera carries out normal photographing, when user wishes to preserve a certain picture, sends the candid photograph instruction of the classified information based on this pictorial feature, captures module 11 and captures acquisition Target Photo in response to this instruction by camera; And by attribute setup module 12, described classified information is added in the attribute information of described Target Photo simultaneously; And by memory module 13, described Target Photo is saved to the destination folder corresponding with classified information.Thus realize based on certain classified information, special frame interested for user being captured, be kept at an independent storage area corresponding with this classified information, there will not be when to be kept at same storage area with video easily by problem that video data covers.And, when user wants to search special frame based on a certain classified information, can directly access the file corresponding with this classified information and obtain, and a large amount of manpowers and time need not be spent to be obtained by the video recording that fast forwarding and fast rewinding browse queries is all.
In an application scenarios of the present invention, the drive recorder be arranged on automobile implementing technical scheme of the present invention is in open state, in driving cabin anyone whenever, all can send phonetic order.In vehicle traveling process, " landscape bat " phonetic order is sent by driver, drive recorder identifies this phonetic order at once, it is " landscape bat " text message by its corresponding conversion, capture current vehicle front picture, being stored in " landscape " destination folder on corresponding SD card, completing from receiving phonetic order to analyzing the overall process of capturing to and storing.If when user mobile phone and drive recorder are in point to point connect state, then the picture file taken can also be transferred in this mobile phone by drive recorder.
In brief, the present invention can when comparatively safe, capturing fast according to user instruction and storage of classifying, acquisition and the Ordering to capturing picture can being realized in very short time, be particularly useful in human-computer interaction interface terminal device friendly not.
In instructions provided herein, although the description of a large amount of details.But can understand, embodiments of the invention can be put into practice when not having these details.In certain embodiments, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Although shown exemplary embodiments more of the present invention above, but it should be appreciated by those skilled in the art that, when not departing from principle of the present invention or spirit, can make a change these exemplary embodiments, scope of the present invention is by claim and equivalents thereof.

Claims (10)

1. a Target Photo classification storage means, is characterized in that, comprise the following steps:
In response to the candid photograph instruction with classified information, captured by camera and obtain Target Photo;
Described classified information is added in the attribute information of described Target Photo;
Described Target Photo is saved to the destination folder corresponding with classified information.
2. method according to claim 1, is characterized in that: described candid photograph instruction is phonetic order, and described classified information is determined from natural language contained by phonetic order.
3. method according to claim 1, is characterized in that: described in response to the candid photograph instruction with classified information, is captured the step obtaining Target Photo, specifically comprise by camera:
Obtain the voice stream data with classified information to be identified;
Identify described voice stream data, parse the classified information of character string text formatting;
Capture to obtain the Target Photo corresponding with this classified information by camera.
4. method according to claim 3, is characterized in that: the described voice stream data of described identification, parses the step of the classified information of character string text formatting, comprising:
The voice stream data of acquisition is covered in speech recognition request and is submitted to by remote interface;
Obtain by this remote interface the correspondence fed back in response to this speech recognition request and resolve this voice stream data and the classified information of the character string text formatting obtained.
5. method according to claim 1, is characterized in that: the described voice stream data of described identification, parses the step of the classified information of character string text formatting, comprising:
The voice stream data of acquisition and local voice storehouse are carried out match cognization process;
Obtain the classified information of the character string text formatting matched with this voice stream data.
6. method according to claim 1, is characterized in that: described classified information is added the step in the attribute information of described Target Photo, also comprise:
By described Target Photo boil down to specific format file;
Call navigation module and obtain Present navigation information;
Described navigation information and classified information are added in the attribute information of this file.
7. method according to claim 1, is characterized in that: described destination folder is based upon on SD card.
8. method according to claim 1, is characterized in that, described Target Photo is saved to the step of the destination folder corresponding with classified information, comprises:
Detect and whether there is destination folder corresponding to described classified information;
If yes, this Target Photo is saved to this destination folder;
If NO, then create the described destination folder corresponding with this classified information and this Target Photo is saved to this destination folder.
9. method according to claim 6, is characterized in that: described navigation module obtains the navigation information of Target Photo according to NMEA-0182 agreement, or is obtained the navigation information of Target Photo by architecture mode.
10. method according to claim 6, is characterized in that: described navigation information and classified information are added in the EXIF information of described Target Photo.
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