CN101950222A - Handwriting input method, device and system for digital television receiving terminal - Google Patents
Handwriting input method, device and system for digital television receiving terminal Download PDFInfo
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- CN101950222A CN101950222A CN2010102986623A CN201010298662A CN101950222A CN 101950222 A CN101950222 A CN 101950222A CN 2010102986623 A CN2010102986623 A CN 2010102986623A CN 201010298662 A CN201010298662 A CN 201010298662A CN 101950222 A CN101950222 A CN 101950222A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/32—Digital ink
- G06V30/36—Matching; Classification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
Abstract
The invention discloses a handwriting input method for a digital television receiving terminal, which comprises the following steps of: acquiring a user handwriting input image by using a camera; and performing image frame identification on the acquired user handwriting input image, matching the identification result of one-time complete input operation and a preset handwriting input identification model, and outputting the matching result. The invention also discloses a handwriting input device and a handwriting input system for the digital television receiving terminal. The method, the device and the system can lower the cost of the digital television receiving terminal, and are favorable for the implementation of interactive service.
Description
Technical field
The present invention relates to writing technology, particularly a kind of hand-written inputting method, Apparatus and system that is used for receiving terminal for digital television.
Background technology
Present receiving terminal for digital television, set-top box (STB for example, Set-Top Box), general by input methods input Chinese instructions such as telepilot or the input of STB display screen employing phonetic, stroke inputs, STB is carried out corresponding operating, increasing along with user and STB interaction demand, " thumb fatigue " problem that phonetic input and stroke input cause expose gradually and input efficiency lower.
In order to overcome the technical matters of " thumb fatigue ", improve input efficiency, prior art has proposed the technology of handwriting input, handwriting input refers to by external pointer such as hand-written equipment such as mobile phone hand-written at the equipment display screen, display screen can be by the position of the hand-written contact points of perception such as pressure variation or magnetic force change, lift pen by the shorthand image, start to write, the locus of each pixel on the person's handwriting, and the information such as time relationship between each section, and these information are handled, with the hand-written feature font of certain Rule Extraction, then, the hand-written feature font that hand-written discrimination system by inside will extract is converted to discernible standard letter, and be presented on the display screen, so just avoided " thumb fatigue ", and improved the speed of input widely.
By above description as can be seen, existing hand-written inputting method need carry out special disposal to display screen, enables sensed pressure and changes or magnetic force change, has increased the cost of hand-written equipment; Further, in a single day external pointer loses, and will cause carrying out handwriting input, the inconvenience that causes hand-written equipment to use.
Summary of the invention
In view of this, fundamental purpose of the present invention is to propose a kind of hand-written inputting method that is used for receiving terminal for digital television, reduces the cost of receiving terminal for digital television.
Another object of the present invention is to propose a kind of hand input device that is used for receiving terminal for digital television, reduce the cost of receiving terminal for digital television.
A further object of the present invention is to propose a kind of hand-written input system that is used for receiving terminal for digital television, reduces the cost of receiving terminal for digital television.
For achieving the above object, the invention provides a kind of hand-written inputting method that is used for receiving terminal for digital television, this method comprises:
A, utilize the camera of receiving terminal for digital television to obtain user's handwriting input image of receiving terminal for digital television operational order;
B, receiving terminal for digital television carry out picture frame identification to the user's handwriting input image that obtains to be handled, and the identification result of once complete input operation and the handwriting input model of cognition that sets in advance is mated the output matching result.
Described step B specifically comprises:
The handwriting input identification module compares the current image frame obtained and the adjacent image frame that obtains before, obtains the relative displacement vector of current image frame and the adjacent image frame that obtains before;
The relative displacement vector of all adjacent image frames of obtaining in the complete input process is once connected from beginning to end, obtain the accurate plane motion track of handwriting input;
Utilize the accurate plane motion track of the handwriting input that obtains, mate with the handwriting input model of cognition that sets in advance;
Judge whether coupling is successful, if success then outputs to matching result the receiving terminal for digital television display screen, otherwise, return execution in step A.
The relative displacement vector of the described adjacent image frame of obtaining current image frame and obtaining before specifically comprises:
The same area in adjacent two two field pictures is carried out Fourier transform, and obtain the related function of the phase place of two Fourier transform results;
Search the maximal value of phase place related function, the coordinate of maximal value correspondence is defined as the relative displacement vector of adjacent two two field pictures.
Described coupling comprises template matches, canonical grammar coupling or the dynamic time technology of reforming.
A kind of hand input device that is used for receiving terminal for digital television, this device comprises: image input module, image processing module, handwriting input identification module and display module, wherein,
Image input module is used to obtain user's handwriting input image of receiving terminal for digital television operational order, and exports user's handwriting input image to image processing module;
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the handwriting input identification module;
The handwriting input identification module is used for receiving the identification result, mates with the handwriting input model of cognition that sets in advance, and output matching result to display module shows.
Described image processing module comprises: image comparing unit and movement locus acquiring unit, wherein,
The image comparing unit is used for the current image frame that image input module is obtained and the adjacent image frame that obtains before and compares, and obtains the relative displacement vector of current image frame and the adjacent image frame that obtains before;
The movement locus acquiring unit; be used for will be once the relative displacement vector of all adjacent image frames of obtaining of complete input process image comparing unit connect from beginning to end; obtain the accurate plane motion track of handwriting input, the stroke or the gesture locus model that export handwriting input identification module and storage to mate.
A kind of hand-written input system that is used for receiving terminal for digital television, this system comprises: one or more receiving terminal for digital television and remote identification server, wherein,
Each receiving terminal for digital television, be used to obtain user's handwriting input image of receiving terminal for digital television operational order, carrying out picture frame identification handles, export the identification result of once complete input operation to the remote identification server, the matching result information of receiving remote identified server output shows;
The remote identification server, be used to receive the identification result of the once complete input operation of each receiving terminal for digital television output, mate with the handwriting input model of cognition that sets in advance, if coupling, the output matching result is to the corresponding digital television receive terminal.
Described receiving terminal for digital television comprises image input module, image processing module and display module, wherein,
Image input module is used to obtain user's handwriting input image, and exports user's handwriting input image to image processing module;
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the remote identification server;
Display module, the matching result that the remote identification server that is used for receiving is exported shows.
A kind of hand-written input system that is used for receiving terminal for digital television, this system comprises: camera head and receiving terminal for digital television, wherein,
Image input module is used to obtain user's handwriting input image of receiving terminal for digital television operational order, exports receiving terminal for digital television to;
Receiving terminal for digital television is used for that the user's handwriting input image that receives is carried out picture frame identification and handles, and the identification result of once complete input operation and the handwriting input model of cognition that sets in advance are mated, and matching result is shown.
Described receiving terminal for digital television comprises: image processing module, handwriting input identification module and display module, wherein,
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the handwriting input identification module;
The handwriting input identification module is used for receiving the identification result, mates with the handwriting input model of cognition that sets in advance, and output matching result to display module shows.
A kind of hand-written input system that is used for receiving terminal for digital television, this system comprises: one or more image input modules, with image input module receiving terminal for digital television and remote identification server one to one, wherein,
Each image input module is used to obtain user's handwriting input image of respective digital television receive terminal operational order, and exports user's handwriting input image to this corresponding digital television receive terminal;
Each receiving terminal for digital television is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the remote identification server, and the matching result of receiving remote identified server output shows;
The remote identification server is used to receive the identification result that each receiving terminal for digital television is exported, and mates with the handwriting input model of cognition that sets in advance, and output matching result to corresponding digital television receive terminal shows.
Described receiving terminal for digital television comprises image processing module and display module, wherein,
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the remote identification server;
Display module is used for the matching result that the receiving remote identified server is exported, and shows.
As seen from the above technical solutions, a kind of hand-written inputting method, Apparatus and system that is used for receiving terminal for digital television provided by the invention utilizes camera to obtain user's handwriting input image; The user's handwriting input image that obtains is carried out picture frame identification handle, the identification result of once complete input operation and the handwriting input model of cognition that sets in advance are mated, the output matching result.Like this, can utilize prior camera, just can discern hand-written character, reduce the cost of receiving terminal for digital television thereby need not that display screen is carried out special disposal; Simultaneously, can on receiving terminal for digital television, realize long-range hand-written function, be user-friendly to interactive television system; And, the handwriting input model of cognition can be placed the remote identification server, like this, the handwriting input model of cognition of a plurality of receiving terminal for digital television in can shared remote identification server mates, reduce the complexity of receiving terminal for digital television, effectively reduced the cost of receiving terminal for digital television.
Description of drawings
Fig. 1 is the hand-written inputting method schematic flow sheet that is used for STB of the embodiment of the invention.
Fig. 2 is used for the hand input device structural representation of STB for the embodiment of the invention.
Fig. 3 is the hand-written input system structural representation that is used for STB of the embodiment of the invention.
Fig. 4 is the hand-written input system that is used for STB second structural representation of the embodiment of the invention.
Fig. 5 is the hand-written input system that is used for STB the 3rd structural representation of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
In the embodiment of the invention, consider to be provided with camera and remote shooting is carried out in user's handwriting input obtain the handwriting input image, the handwriting input by the handwriting input identification module identification user that sets in advance is to avoid that display screen is carried out special disposal.Below be that example describes with STB.
Fig. 1 is the hand-written inputting method schematic flow sheet that is used for STB of the embodiment of the invention.Comprise referring to this flow process of Fig. 1:
Step 101 utilizes camera to obtain user's handwriting input image;
In this step, can be in STB built-in camera, certainly, in the practical application, camera also can be external, the long-range aligning camera of user, utilize gesture to write the receiving terminal for digital television operational order, camera is caught the image that gesture is write, and obtains user's handwriting input image.
Step 102 is carried out picture frame identification to the user's handwriting input image that obtains and is handled, and the identification result of once complete input operation and the handwriting input model of cognition that sets in advance is mated the output matching result.
In this step, the user's handwriting input image that obtains comprises a plurality of picture frames, receiving terminal for digital television is discerned processing according to the picture frame of current reception and the adjacent image frame that obtains before, the identification result of once complete input operation is mated with the handwriting input model of cognition that sets in advance, the output matching result, and store the picture frame of current reception.
In the practical application, current image frame and adjacent image frame are meant two that camera obtains, as to have Fixed Time Interval two field pictures, Fixed Time Interval can be a unit interval, for example: with the millisecond is unit, every millisecond is obtained a two field picture, so, the 1st millisecond and the 2nd millisecond of two two field picture that obtain, the 2nd millisecond and the 3rd millisecond of two two field pictures that obtain are respectively current image frame and adjacent image frame; Certainly, Fixed Time Interval also can be an above unit interval, such as: with 3 milliseconds be unit, per 3 milliseconds are obtained a two field picture, so, the 1st millisecond and the 4th millisecond of two two field picture that obtain, the 4th millisecond and the 7th millisecond of two two field pictures that obtain are respectively current image frame and adjacent image frame.
This step specifically comprises:
Step 1021, the handwriting input identification module compares the current image frame obtained and the adjacent image frame that obtains before, obtains the relative displacement vector of current image frame and the adjacent image frame that obtains before;
In this step, displacement vector comprises the direction and the amplitude of displacement.
Step 1021 can adopt multiple different implementation, such as adopting following method:
Suppose that present image is the N two field picture, then N two field picture and the N-1 two field picture that obtained in the past compared, obtain the direction and the amplitude of N two field picture and the relative displacement of the N-1 two field picture that obtained in the past, specifically may further comprise the steps:
1) the same area in N frame and the N-1 two field picture is carried out Fourier transform, and obtain the related function (phase correlation function) of the phase place of two Fourier transform results.
2) search maximal value the related function of the phase place of obtaining from step 1), the coordinate of maximal value correspondence is the displacement vector of N two field picture and N-1 two field picture.
Certainly, in the practical application,, can also after finding out maximal value, carry out bicubic interpolation, and carry out processing and amplifying the same area in N frame and the N-1 two field picture for the degree of accuracy of the side-play amount that improves the N two field picture of trying to achieve and N-1 two field picture.
Step 1022 connects the relative displacement vector of all adjacent image frames of obtaining in the complete input process once from beginning to end, obtains the accurate plane motion track of handwriting input;
In this step, once complete input generally is meant the input process of a complete Chinese character, judge that once complete input process can be after having imported a Chinese character at every turn, user's gesture residence time is more than the predefined time, or judgement user gesture is removed before camera.Certainly in the time of also can adopting the handwriting input of prior art, judge once other method of complete input.
Step 1023, the accurate plane motion track of the handwriting input that utilization obtains mates with the handwriting input model of cognition that sets in advance;
In this step, the handwriting input model of cognition is stroke or gesture locus model, and Model Matching comprises: template matches, canonical grammar mate, dynamic time is reformed (DTW) technology etc.
In the practical application, stroke or gesture locus model can be stored among the STB, also can be stored in the remote identification server.For the situation that is stored in the remote identification server, a plurality of STB can share stroke or gesture locus model, like this, need not can effectively reduce the cost of STB for each STB is provided with stroke or gesture locus model.
Step 1024 judges whether coupling is successful, if success then outputs to matching result the set-top box display screen, otherwise, return execution in step 101.
So far, this hand-written inputting method flow process that is used for STB finishes.
As seen by above-mentioned, the hand-written inputting method that is used for STB of the embodiment of the invention utilizes camera to obtain user's handwriting input image, calls the handwriting input model of cognition that sets in advance, and the user's handwriting input image that obtains is discerned the output recognition result.Like this, utilize prior camera, just can discern hand-written character, reduced the cost of STB thereby need not that display screen is carried out special disposal; Further, hand-written character need not to rely on pointer, and handwriting input is convenient, helps carrying out of interactive service.
Fig. 2 is used for the hand input device structural representation of STB for the embodiment of the invention.Referring to Fig. 2, this device comprises: image input module 201, image processing module 202, handwriting input identification module 203 and display module 204, wherein,
Handwriting input identification module 203 is used for receiving the identification result, mates with the handwriting input model of cognition that sets in advance, and output matching result to display module 204 shows.
Image comparing unit 2021 is used for the current image frame that image input module 201 is obtained and the adjacent image frame that obtains before and compares, and obtains the relative displacement vector of current image frame and the adjacent image frame that obtains before;
Wherein, the process of obtaining the relative displacement vector of adjacent image frame comprises: the same area to adjacent two two field pictures carries out Fourier transform, and obtains the related function of the phase place of two Fourier transform results; Search maximal value from the related function of the phase place obtained, the coordinate of maximal value correspondence is the relative displacement vector of adjacent two two field pictures.
Movement locus acquiring unit 2022; be used for will be once the relative displacement vector of all adjacent image frames of obtaining of complete input process image comparing unit 2021 connect from beginning to end; obtain the accurate plane motion track of handwriting input, export handwriting input identification module 203 to and mate with stroke or the gesture locus model stored.
In the practical application,, also can be stored in the remote identification server because stroke or gesture locus model can be stored among the STB.For the situation that is stored in the remote identification server, constitute the hand-written input system that is used for STB of the embodiment of the invention, be described below.
Fig. 3 is the hand-written input system structural representation that is used for STB of the embodiment of the invention.Referring to Fig. 3, this system comprises: one or more set-top box 301 and a remote identification server 302, wherein,
Each set-top box 301, be used to obtain user's handwriting input image, carry out picture frame identification and handle, export the identification result of once complete input operation to remote identification server 302, the matching result information of receiving remote identified server 302 outputs shows;
In the present embodiment, set-top box 301 exports the transmission quantity of remote identification server 302 with effective minimizing data to after can also further the identification result being compressed.
In the present embodiment, the handwriting input model of cognition is placed the remote identification server, like this, the handwriting input model of cognition of a plurality of set-top box in can shared remote identification server mates, and reduced the complexity of set-top box, effectively reduces the cost of set-top box.
Set-top box 301 comprises image input module 3011, image processing module 3012 and display module 3013, wherein,
In the present embodiment, image input module 3011 is a camera, in the practical application, also can be other elements that can take pictures.
In addition, external based on camera, the hand-written input system that is used for STB of the embodiment of the invention also has following two kinds of versions, describes below.
Fig. 4 is the hand-written input system that is used for STB second structural representation of the embodiment of the invention.Referring to Fig. 4, this system comprises: camera head 401 and set-top box 402, wherein,
In the embodiment of the invention, camera head is meant aforesaid image input module.
Set-top box 402 is used for that the user's handwriting input image that receives is carried out picture frame identification and handles, and the identification result of once complete input operation and the handwriting input model of cognition that sets in advance are mated, and matching result is shown.
In the present embodiment, set-top box 402 comprises: image processing module 4021, handwriting input identification module 4022 and display module 4023, wherein,
Handwriting input identification module 203 is used for receiving the identification result, mates with the handwriting input model of cognition that sets in advance, and output matching result to display module 204 shows.
Fig. 5 is the hand-written input system that is used for STB the 3rd structural representation of the embodiment of the invention.Referring to Fig. 5, this system comprises: one or more camera heads 501, with camera head 501 set-top box 502 and remote identification server 503 one to one, wherein,
Each camera head 501 is used to obtain user's handwriting input image of respective set-top box operational order, and exports user's handwriting input image to this corresponding set-top box 502;
Each set-top box 502 is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to remote identification server 503, and the matching result of receiving remote identified server 503 outputs shows;
In the present embodiment, set-top box 502 comprises image processing module 5021 and display module 5022, wherein,
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a hand-written inputting method that is used for receiving terminal for digital television is characterized in that, this method comprises:
A, utilize the camera of receiving terminal for digital television to obtain user's handwriting input image of receiving terminal for digital television operational order;
B, receiving terminal for digital television carry out picture frame identification to the user's handwriting input image that obtains to be handled, and the identification result of once complete input operation and the handwriting input model of cognition that sets in advance is mated the output matching result.
2. the method for claim 1 is characterized in that, described step B specifically comprises:
The handwriting input identification module compares the current image frame obtained and the adjacent image frame that obtains before, obtains the relative displacement vector of current image frame and the adjacent image frame that obtains before;
The relative displacement vector of all adjacent image frames of obtaining in the complete input process is once connected from beginning to end, obtain the accurate plane motion track of handwriting input;
Utilize the accurate plane motion track of the handwriting input that obtains, mate with the handwriting input model of cognition that sets in advance;
Judge whether coupling is successful, if success then outputs to matching result the receiving terminal for digital television display screen, otherwise, return execution in step A.
3. method as claimed in claim 2 is characterized in that, the relative displacement vector of the described adjacent image frame of obtaining current image frame and obtaining before specifically comprises:
The same area in adjacent two two field pictures is carried out Fourier transform, and obtain the related function of the phase place of two Fourier transform results;
Search the maximal value of phase place related function, the coordinate of maximal value correspondence is defined as the relative displacement vector of adjacent two two field pictures.
4. method as claimed in claim 2 is characterized in that, described coupling comprises template matches, canonical grammar coupling or the dynamic time technology of reforming.
5. a hand input device that is used for receiving terminal for digital television is characterized in that, this device comprises: image input module, image processing module, handwriting input identification module and display module, wherein,
Image input module is used to obtain user's handwriting input image of receiving terminal for digital television operational order, and exports user's handwriting input image to image processing module;
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the handwriting input identification module;
The handwriting input identification module is used for receiving the identification result, mates with the handwriting input model of cognition that sets in advance, and output matching result to display module shows.
6. device as claimed in claim 5 is characterized in that, described image processing module comprises: image comparing unit and movement locus acquiring unit, wherein,
The image comparing unit is used for the current image frame that image input module is obtained and the adjacent image frame that obtains before and compares, and obtains the relative displacement vector of current image frame and the adjacent image frame that obtains before;
The movement locus acquiring unit; be used for will be once the relative displacement vector of all adjacent image frames of obtaining of complete input process image comparing unit connect from beginning to end; obtain the accurate plane motion track of handwriting input, the stroke or the gesture locus model that export handwriting input identification module and storage to mate.
7. a hand-written input system that is used for receiving terminal for digital television is characterized in that, this system comprises: one or more receiving terminal for digital television and remote identification server, wherein,
Each receiving terminal for digital television, be used to obtain user's handwriting input image of receiving terminal for digital television operational order, carrying out picture frame identification handles, export the identification result of once complete input operation to the remote identification server, the matching result information of receiving remote identified server output shows;
The remote identification server, be used to receive the identification result of the once complete input operation of each receiving terminal for digital television output, mate with the handwriting input model of cognition that sets in advance, if coupling, the output matching result is to the corresponding digital television receive terminal.
8. system as claimed in claim 7 is characterized in that described receiving terminal for digital television comprises image input module, image processing module and display module, wherein,
Image input module is used to obtain user's handwriting input image, and exports user's handwriting input image to image processing module;
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the remote identification server;
Display module, the matching result that the remote identification server that is used for receiving is exported shows.
9. a hand-written input system that is used for receiving terminal for digital television is characterized in that, this system comprises: camera head and receiving terminal for digital television, wherein,
Image input module is used to obtain user's handwriting input image of receiving terminal for digital television operational order, exports receiving terminal for digital television to;
Receiving terminal for digital television is used for that the user's handwriting input image that receives is carried out picture frame identification and handles, and the identification result of once complete input operation and the handwriting input model of cognition that sets in advance are mated, and matching result is shown.
10. system as claimed in claim 9 is characterized in that, described receiving terminal for digital television comprises: image processing module, handwriting input identification module and display module, wherein,
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the handwriting input identification module;
The handwriting input identification module is used for receiving the identification result, mates with the handwriting input model of cognition that sets in advance, and output matching result to display module shows.
11. a hand-written input system that is used for receiving terminal for digital television is characterized in that, this system comprises: one or more image input modules, with image input module receiving terminal for digital television and remote identification server one to one, wherein,
Each image input module is used to obtain user's handwriting input image of respective digital television receive terminal operational order, and exports user's handwriting input image to this corresponding digital television receive terminal;
Each receiving terminal for digital television is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the remote identification server, and the matching result of receiving remote identified server output shows;
The remote identification server is used to receive the identification result that each receiving terminal for digital television is exported, and mates with the handwriting input model of cognition that sets in advance, and output matching result to corresponding digital television receive terminal shows.
12. system as claimed in claim 11 is characterized in that, described receiving terminal for digital television comprises image processing module and display module, wherein,
Image processing module is used for that user's handwriting input image is carried out picture frame identification and handles, and exports the identification result of once complete input operation to the remote identification server;
Display module is used for the matching result that the receiving remote identified server is exported, and shows.
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CN2010102986623A CN101950222A (en) | 2010-09-28 | 2010-09-28 | Handwriting input method, device and system for digital television receiving terminal |
PCT/CN2011/070650 WO2012041027A1 (en) | 2010-09-28 | 2011-01-26 | Handwritten input method, apparatus and system for digital tv receiving terminal |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102393804A (en) * | 2011-10-24 | 2012-03-28 | 上海量明科技发展有限公司 | Method, client and system for realizing handwriting interaction in instant messaging |
WO2012041027A1 (en) * | 2010-09-28 | 2012-04-05 | 深圳市同洲电子股份有限公司 | Handwritten input method, apparatus and system for digital tv receiving terminal |
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WO2012041027A1 (en) * | 2010-09-28 | 2012-04-05 | 深圳市同洲电子股份有限公司 | Handwritten input method, apparatus and system for digital tv receiving terminal |
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CN104714650A (en) * | 2015-04-02 | 2015-06-17 | 三星电子(中国)研发中心 | Information input method and information input device |
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