CN104717606A - Camera shooting automatic-tracking method applied to auction sites - Google Patents
Camera shooting automatic-tracking method applied to auction sites Download PDFInfo
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- CN104717606A CN104717606A CN201310677812.5A CN201310677812A CN104717606A CN 104717606 A CN104717606 A CN 104717606A CN 201310677812 A CN201310677812 A CN 201310677812A CN 104717606 A CN104717606 A CN 104717606A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention provides a camera shooting automatic-tracking method applied to auction sites, and belongs to the field of mobile communication positioning. The method mainly involves a set of auction site camera shooting automatic-tracking system comprising bidding (tag) terminals, wireless positioning transceivers, a positioning server, a voice recognition terminal, a positioning camera, and a display screen. The method of the invention is implemented by a main step of bidding (tag) terminal positioning and a main step of number-calling voice recognition and camera shooting automatic-tracking. By adopting the method of the invention, an offer bidder can be accurately and quickly identified in real time in an auction site, and related images can be shot and transmitted.
Description
Technical field
The present invention relates to mobile communication positioning field, especially a kind of auction based on wireless location scene shooting automatic tracking method is provided, pass through this method, can realize locating the real-time radio of bidder in auction process and making a video recording from motion tracking, reduce error rate and the time delay of tradition shooting tracking, improve the on-the-spot shooting accuracy of auction and actual effect.
Background technology
Along with auction technique in modern society rapidly universal, and the expansion of group of participants, there is fast-developing situation in auction marketplace.Existing auction scene shooting is followed the trail of, and is all by cameraman's manual operation video camera, and then realizes the seizure for bidder's image.This mode by manual operation video camera tracking shooting auction people picture can realize higher flexibility ratio, has stronger elasticity.
But in the application at auction scene, also there are some drawbacks in manual operation video camera.First, because manual operation needs to rotate video camera adjustment angle by manpower, therefore there is certain time delay, especially when auction is very fierce, often the bidder of highest price ceaselessly converts in a short period of time, dependent manual operation video camera is difficult to the renewal speed catching up with asked price, therefore causes higher time delay.The second, due to the highest bidder that manual operation video camera needs manpower searching auction teacher to call, and be subject to the restriction of manpower ability, be easy to occur mistake, cause inaccurate phenomenon.
Therefore, needing a kind of can effectively making up auctioning the not enough and effective lower mode of accuracy in the shooting of on-the-spot dependent manual operation video camera, promoting the accuracy of auctioning shooting with this, bringing the more sufficient information display in auction process to on-the-spot auction personnel.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of shooting automatic tracking method being applied to auction scene, this method can be located and record the position at each auction people place by real-time tracking by wireless location technology, the auction number of highest price auction people can be identified by speech recognition technology, the position transferring record auction people is recorded and adjusts the shooting angle of video camera, and then realizes the on-the-spot shooting of auction from motion tracking.
Series technical project of the present invention is as follows:
The technical problem to be solved in the present invention is to provide a kind of shooting automatic tracking method being applied to auction scene, it is characterized in that the method fully uses wireless location technology to realize Real time identification and the track up of auction user, improve accuracy and the actual effect of the on-the-spot shooting of auction.
For solving the problems of the technologies described above, first aspect of the present invention is to provide a kind of by (label) terminal, wireless positioning transceiver, location-server, voice recognition terminal, the located camera of bidding, and shows the shooting automatic tracking system at the auction scene that screen forms.
Wherein, described (label) terminal of bidding, for realizing in specified time interval, generates and the function of broadcast radio letter frame, can integrate, using the unique identifier of the number of auction plate as (label) terminal of bidding with the auction plate used when auction.(label) terminal of bidding comprises clock, letter frame generator, and letter frame reflector, transmitting antenna parts form.The broadcast of wireless communication frame is herein realized by RFID technique, comprises low frequency, high frequency, hyperfrequency, microwave frequency band.
Described wireless positioning transceiver, for realizing reception and bid the wireless communication frame of (label) terminal broadcast, time in time memory in mark time in wireless communication frame and wireless positioning transceiver is carried out contrast to ignore out-of-date wireless communication frame, resolve residue wireless communication frame and extract metrical information, residue wireless communication frame metrical information is carried out recompile and the function of sign formation (newly) wireless communication frame transmission.Wherein, parsing residue wireless communication frame herein also extracts metrical information, refer to extract and record the wireless communication frame associated transport data stayed after ignoring out-of-date wireless communication frame, include but not limited to the received signal strength of wireless communication frame, the reception direction of propagation of wireless communication frame, the transmitting power of wireless communication frame, launches (label) terminal coding of bidding of wireless communication frame.Recompile herein refers to all metrical informations being labeled as the wireless communication frame of up-to-date time to be integrated into a new wireless communication frame, is called (newly) wireless communication frame in this patent.Wireless positioning transceiver comprises letter frame grabber, time memory, letter frame measuring appliance, letter frame shaper, and letter frame reflector, transmit/receive antenna parts form.
Described location-server, for receiving (newly) wireless communication frame that all wireless positioning transceiver send, resolution data, gather for same data of bidding (label) terminal, based on these data, choose wireless location technology position (label) terminal of bidding, locator data is stored in the memory in location-server; Receive the Location Request that voice recognition terminal sends simultaneously, transfer the position data in memory and send located camera to.Wherein, described wireless location technology includes but not limited to the locate mode of basis signal intensity, the locate mode in basis signal direction, according to locate mode and the combination thereof of difference.Location-server comprises reception antenna, letter frame parser, position calculator, position data memory, and Location Request responsor, position enquiring interface section forms.
Described voice recognition terminal, for identifying the language of auction teacher, extracting the number of the auction people auction board comprised, completing auction trade mark code and the corresponding of (label) terminal of bidding, be translated into Location Request, send to location-server from language of calling out the numbers.Voice recognition terminal comprises phonetic incepting equipment, and auction teacher speech analysis device, Location Request transceiver portion is grouped into.
Described located camera, for receiving the locator data that location-server sends, carrying out resolving and calculating video camera indexing, by angle swivel mount, video camera being adjusted to locator data indicating positions, carrying out the function of taking.Located camera comprises locator data receiver, locator data resolver, shooting angle changing calculator, angle swivel mount, and video camera composition.
The image that described screen transmits for showing located camera, shows the auction people lifting board.
According to a second aspect of the invention, provide a kind of implementing procedure method for first aspect, content comprises: the main step of (label) terminal positioning of bidding, call out the numbers speech recognition and shooting from the main step of motion tracking.
The described main step of (label) terminal positioning of bidding, main wireless location when realizing carrying out approximate real to (label) terminal of bidding of opening wireless communication frame broadcast capability, is stored in locator data in location-server.Wherein, the key step comprised has:
(label) terminal wireless of bidding letter frame Broadcast step: (label) terminal of bidding is at unified moment broadcast radio letter frame.
Wireless communication frame receiving step: wireless positioning transceiver receives the wireless communication frame that (label) terminal of bidding sends.
Wireless communication frame validity identification step: wireless positioning transceiver contrasts the moment in the mark moment and time memory receiving wireless communication frame, and the ignore-tag moment is in advance in the wireless communication frame in time memory moment.
Metrical information extraction step: wireless positioning transceiver extracts the metrical information of residue wireless communication frame.
(newly) wireless communication frame forming step: wireless positioning transceiver carries out recompile for the wireless communication frame metrical information extracted and signs, and becomes new wireless communication frame, and sends.
(newly) wireless communication frame receiving step: location-server receives (newly) wireless communication frame of all wireless positioning transceiver transmissions of arranging in auction room.
(label) terminal positioning of bidding step: location-server resolves all (newly) wireless communication frames, conclude the metrical information gathering same (label) terminal of bidding embodying synchronization, wireless location method is chosen according to metrical information, for bidding, (label) terminal positions, forming position data.
Locating information storing step: the locator data of formation stores by location-server, to the storage Data Update of " up-to-date moment position ".
Timing synchronization step: the time data in synchronous location-server in the time data of " up-to-date moment position " and wireless positioning transceiver in time memory.
Described call out the numbers speech recognition and shooting from the main step of motion tracking, main realize resolving auction teacher natural language and transfer the position data of the auction plate number that it comprises, adjustment camera angle captured in real-time auction people image.Wherein, the key step comprised has:
Auction teacher speech recognition steps: voice recognition terminal resolves the language of calling out the numbers of auction teacher, identifies the number of the auction plate that it comprises.
Location Request sends and receiving step: voice recognition terminal sends Location Request to location-server, and location-server receives Location Request.
Position data is transferred and forwarding step: the position data that (label) terminal that what location-server was specified in transferring and asking to locate bid stores in " nearest moment position ", and sends it to located camera.
Located camera set-up procedure: located camera receives the position data that location-server sends, calculates adjustment angle, adjusts according to result and take.
Image taking and displaying step: the information real-time Transmission of shooting is given and shown screen by located camera, is shown in displaying screen.
Be further detailed below in conjunction with accompanying drawing and explain.
Accompanying drawing explanation
Fig. 1 is auction of the present invention scene shooting automatic tracking method system construction drawing
Fig. 2 is (label) terminal positioning flow chart of steps of bidding of the present invention
Fig. 3 is speech recognition and automatic tracking step flow process of the making a video recording intention of calling out the numbers of the present invention
embodiment
As shown in Figure 1, it is the system construction drawing of auction of the present invention on-the-spot shooting automatic tracking method, wherein, include (label) terminal (T) of bidding, wireless positioning transceiver (A), location-server (H), voice recognition terminal (L), located camera (V), and show screen (S).
Wherein, described (label) terminal (T) of bidding, can combine with the auction board lifted during auction, is numbered with the number mapping of auction board and as the terminal unique identifier of native system.(label) terminal (T) of bidding, for the setting according to internal clocking, realizes in the setting cycle time interval to wireless positioning transceiver (A) broadcast radio letter frame.The broadcast of wireless communication frame is herein realized by RFID technique, comprises low frequency, high frequency, hyperfrequency, microwave frequency band, and the approach of transmission is realized by cordless communication network, comprises mobile radio communication (2G, 3G, 4G), WLAN net.(label) terminal (T) of bidding comprises clock, letter frame generator, and letter frame reflector, transmitting antenna parts form.Wherein, clock is used for timing, according to being set in the generation and transmission signal that produce wireless beacon in the official hour cycle; Letter frame generator, for generating the RFID wireless communication frame that broadcast uses; Letter frame reflector, for outwards launching the wireless communication frame of generation; Transmitting antenna, for realizing the electromagnetic transmission of wireless communication frame.
Described wireless positioning transceiver (A), for receiving the wireless communication frame that (label) terminal (T) of bidding is broadcasted, complete following major function: contrast the time in the time and its temporal memory received in wireless communication frame, if the time received in wireless communication frame is early than the time in time memory, then ignore this wireless communication frame, evade the bounce-back of wireless signal with this and repeat Receiver Problem, otherwise retaining the wireless communication frame received; The wireless communication frame of reservation is resolved, extract wireless communication frame metrical information, wireless communication frame metrical information described herein, include but not limited to the signal strength signal intensity receiving wireless communication frame, the reception direction of propagation of wireless communication frame, the transmitting power of wireless communication frame, launches (label) terminal coding of bidding of wireless communication frame; Metrical information for wireless communication frame is encoded, and all wireless communication frame metrical informations is formed (newly) wireless communication frame by coding, carries out the sign that signature indicates wireless positioning transceiver (A); (newly) wireless communication frame is transferred to location-server (H) by cordless communication network.Wireless positioning transceiver (A) comprises letter frame grabber, time memory, letter frame measuring appliance, letter frame shaper, and letter frame reflector, transmit/receive antenna parts form.Wherein, believe that frame grabber is used for reception and bids the wireless communication frame that (label) terminal (T) broadcasts; Time memory is for storing the time of reception of metrical information in the last (newly) wireless communication frame sent; Letter frame measuring appliance is for measuring the signal strength signal intensity of the wireless communication frame received, and the transmission such as direction of propagation data, comprise intensity measurer, orientation measurement device; Letter frame shaper is used for the metrical information of all wireless communication frames received to carry out recompile, and signature forms (newly) wireless communication frame; Letter frame reflector is for outwards launching (newly) wireless communication frame generated; Transmitting antenna, for realizing the electromagnetic transmission of (newly) wireless communication frame.
So-called location-server (H), it is the nucleus equipment in the present invention, be connected with voice recognition terminal (L) and located camera (V) by network, complete following functions: receive (newly) wireless communication frame that wireless positioning transceiver (A) sends, and (newly) wireless communication frame is resolved, extract the metrical information of each (label) terminal (T) of bidding wherein comprised; For in (newly) wireless communication frame sent by different radio positioning transceiver (A), same metrical information of bidding (label) terminal (T) is carried out data preparation and gathered; Based on data after aggregating, according to the full and accurate degree of data (comprising granularity, accuracy), choose wireless location technology and wireless positioning transceiver (A) is positioned, forming position data; The position data of wireless positioning transceiver (A) is stored in the memory of location-server, and its time data are transferred to each wireless positioning transceiver (A), be stored in the time memory of wireless positioning transceiver (A); Receive the Location Request that voice recognition terminal (L) sends, transfer the position data in memory, position data is sent to located camera (V).Location-server comprises reception antenna, letter frame parser, position calculator, position data memory, and Location Request responsor, position enquiring interface section forms.Wherein, the electromagnetic wave of (newly) wireless communication frame of reception antenna for receiving wireless positioning transceiver (A) and sending; Letter frame parser is used for (newly) wireless communication frame to resolve, and extracts the metrical information of each (label) terminal (T) of bidding wherein comprised; Position calculator is used for transferring metrical information and wireless location algorithm storehouse, chooses suitable wireless location technology and positions, forming position data; Position data memory is used for memory location calculator by calculating the position data formed; Location Request responsor externally connects voice recognition terminal (L) and located camera (V), internal link position data storage, for receiving the Location Request that voice recognition terminal (L) sends, and position data is transferred to located camera (V); Position enquiring interface is used for carrying out query and search at position data storage, home position data value.
So-called voice recognition terminal (L), be connected with location-server (H), for completing auction teacher voice record, auction board number information identification and extraction in auction Shi Yuyin, auction trade mark code is corresponding with the numbering of (label) terminal (T) of bidding, and sends the function of Location Request.Voice recognition terminal comprises phonetic incepting equipment, and auction teacher speech analysis device, Location Request transceiver portion is grouped into.Wherein, phonetic incepting equipment, for receiving the language of auction teacher in auction process, can wait equipment to be combined with the Mike of salesroom; Auction teacher speech analysis device, from voice to can the conversion of deal with data for carrying out for the voice of auction teacher, extracts the auction board number information wherein comprised, and carries out corresponding by auction trade mark code with the numbering of (label) terminal (T) of bidding; Location Request transmitter, the Location Request that (label) terminal (T) of bidding for transmission is comprised needs location is numbered.
So-called located camera (V), by network and location-server (H) with show screen (S), for receiving the position data that location-server (H) sends, by the shooting translation-angle calculator of inside, calculate the angle needing adjustment, adjusted by angle swivel mount, the function that shooting figure also transmits.Located camera comprises locator data receiver, locator data resolver, shooting angle changing calculator, angle swivel mount, and video camera composition.Wherein, the position data that sends for receiving network and location-server (H) of locator data receiver; Locator data resolver, by calculating angle position data being converted into the adjustment of angle swivel mount needs; Angle swivel mount, for the result of calculation according to locator data resolver, drives video camera to complete the adjustment of shooting angle; Video camera is used for shooting and the transmission of image.
So-called displaying screen (S), is connected by network with located camera (V), for receiving the picture signal of located camera (V) and carrying out showing and showing, with the image of this real-time exhibition auction people on screen.
As shown in Figure 2, be (label) terminal positioning flow chart of steps of bidding of the present invention, comprise following content:
In step S01, each (label) terminal of bidding of opening switch is unified in the wireless communication frame that t1 moment active broadcast is labeled as t1, enters step S02.
In step S02, all wireless positioning transceiver in salesroom receive the wireless communication frame of all (label) terminal broadcast of bidding, and enter step S03.
In step S03, the moment t (1) stored in moment t1 and the time memory of self contrasts by wireless positioning transceiver, if the t1 moment is early than t(1), judge that the t1 moment wireless communication frame received is out-of-date wireless communication frame, ignore and terminate; If the t1 moment is later than t(1), enter step S04.In this step, if do not store any moment in time memory, be then defaulted as 0, retain the wireless communication frame in t1 moment.
In step S04, wireless positioning transceiver extracts the metrical information of mark t1 wireless communication frame, extracts the received signal strength that content includes but not limited to wireless communication frame, wireless communication frame accept the direction of propagation, enter step S05.
In step S05, the metrical information of wireless positioning transceiver to all mark t1 wireless communication frames received is integrated, and recompile, signature, forms (newly) wireless communication frame of mark t1, sends, progressive step S06.
In step S06, location-server receives (newly) wireless communication frame of the mark t1 that all wireless positioning transceiver send, and enters step S07
In step S07, location-server is resolved for (newly) wireless communication frame received, same (label) terminal of bidding is gathered in the metrical information of synchronization t1, according to metrical information data, select suitable wireless location algorithm, position measuring and calculating to this (label) terminal of bidding in the position in t1 moment, middle forming position data, enter step S08.
In step S08, location-server (label) terminal of bidding stores in t1 moment position data (comprising position data and time data t1), and is stored in " up-to-date moment position ", enters step S09.
In step S09, location-server sends the time data t1 of storage in " up-to-date moment position " to wireless positioning transceiver, and the t1 moment upgrades in time memory by wireless positioning transceiver, terminates.
As shown in Figure 3, be speech recognition and automatic tracking step flow process of the making a video recording intention of calling out the numbers of the present invention, comprise following content:
In step slo, voice recognition terminal is resolved for the voice of auction teacher, therefrom identifies the number of the auction plate comprised, enters step S11
In step s 11, voice recognition terminal sends Location Request to location-server, the number of the auction plate needing location is passed to location-server, enters step S12.
In step s 12, location-server receives Location Request, carries out corresponding, enter step S13 with the number of auction plate with (label) terminal of bidding.
In step s 13, location-server searching storage, selects and transfers the position data needing (label) terminal of bidding of locating, entering step S14 in " nearest moment position ".
In step S14, the position data transferred sends to located camera by location-server, enters step S15.
In step S15, located camera receives the position data that location-server sends, and enters step S16.
In step s 16, located camera resolves position data, is entered into shooting and shifts one's position in calculator, calculates the angle needing adjustment, and instruction angle swivel mount adjusts, and enters step S17.
In step S17, located camera shooting associated picture, and sent to displaying screen, enter step S18.
In step S18, show that screen receives view data, show, terminate.
Finally, should be noted that: above embodiment is only in order to illustrate technical scheme of the present invention but not to the time limit; To invention has been detailed description, those of ordinary skill in the field should be appreciated that still can carry out equivalent replacement to the specific embodiment of the present invention amendment or to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (8)
1. one kind is applied to the on-the-spot shooting automatic tracking method of auction, it is characterized in that, that one is applied in auction process, data based on the metrical information of (label) terminal transmission wireless communication frame of bidding, the position data of (label) terminal of being bidded by wireless location technology and algorithm, the real-time location of terminal that realization is bidded (label), actuated camera follows the trail of auction people according to the automatic indexing of position data, reaches the object of promptly and accurately taking auction people image.
2. according to a kind of shooting automatic tracking method being applied to auction scene described in claim 1, it is characterized in that, described wireless communication frame refers to and comprises low frequency, high frequency, hyperfrequency and microwave by each frequency band signals that (label) terminal of bidding is launched based on RFID technique.
3. according to a kind of shooting automatic tracking method being applied to auction scene described in claim 1, it is characterized in that, the metrical information of described wireless communication frame refers to that wireless positioning transceiver receives the propagation data of wireless communication frame, comprise the received signal strength of wireless communication frame, the reception direction of propagation of wireless communication frame, the transmitting power of wireless communication frame, launches (label) terminal coding of bidding of wireless communication frame.
4. according to a kind of shooting automatic tracking method being applied to auction scene described in claim 1, it is characterized in that, described wireless location technology and algorithm refer to the locate mode of basis signal intensity, the locate mode in basis signal direction, according to locate mode and the combination thereof of difference.
5. according to a kind of shooting automatic tracking method being applied to auction scene described in claim 1, it is characterized in that, describedly refer to video camera automatically according to the position data transferring (label) terminal of bidding according to the automatic indexing of position data, calculated by shooting translation-angle calculator and need adjust angle and orientation, drive angle swivel mount to complete angular transformation process.
6. be applied to the on-the-spot shooting automatic tracking method of auction according to a kind of described in claim 1, it is characterized in that, cover performing step of the present invention, comprise the main step of (label) terminal positioning of bidding, call out the numbers speech recognition and shooting are from the main step of motion tracking.
7. according to the performing step of the present invention described in claim 6, it is characterized in that, the described main step of (label) terminal positioning of bidding is referred to and to be positioned (label) terminal of bidding by wireless location technology, the position data process of terminal that storage is bidded (label), comprise (label) terminal wireless letter frame Broadcast step of bidding, wireless communication frame receiving step, wireless communication frame validity identification step, metrical information extraction step, (newly) wireless communication frame forming step, (newly) wireless communication frame receiving step, (label) terminal positioning of bidding step, locating information storing step, timing synchronization step.
8. according to the performing step of the present invention described in claim 6, it is characterized in that, described call out the numbers speech recognition and shooting refer to by resolving the bidder's number comprised in auction Shi Yuyan from the main step of motion tracking, automatically transfer bidder to hold and bid (label) location data of terminals and adjust video camera shooting angle, comprise auction teacher speech recognition steps, Location Request sends and transfer with forwarding step, located camera set-up procedure, image taking with receiving step, position data and show step.
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| CN201310677812.5A CN104717606A (en) | 2013-12-13 | 2013-12-13 | Camera shooting automatic-tracking method applied to auction sites |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612417A (en) * | 2015-10-26 | 2017-05-03 | 韩华泰科株式会社 | Network camera, surveillance server and method for controlling surveillance system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612417A (en) * | 2015-10-26 | 2017-05-03 | 韩华泰科株式会社 | Network camera, surveillance server and method for controlling surveillance system |
| CN106612417B (en) * | 2015-10-26 | 2021-01-15 | 韩华泰科株式会社 | Network camera, monitoring server, and method of controlling monitoring system |
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