CN107454360A - A kind of method of screen recording device and recorded video - Google Patents
A kind of method of screen recording device and recorded video Download PDFInfo
- Publication number
- CN107454360A CN107454360A CN201710822874.9A CN201710822874A CN107454360A CN 107454360 A CN107454360 A CN 107454360A CN 201710822874 A CN201710822874 A CN 201710822874A CN 107454360 A CN107454360 A CN 107454360A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Image Processing (AREA)
Abstract
The invention provides a kind of screen recording device and the method for recorded video, device to include：Transparent hand-written panel, image collecting device, image processing apparatus, storage device and writing pencil；Transparent hand-written panel attachment is arranged at the front of screen；Writing pencil carries out necessary writing for speaker on transparent hand-written panel；Image collecting device includes wide-angle camera, wide-angle camera is arranged at the front of transparent hand-written panel by the support above screen, the transparent hand-written panel of camera lens face of the wide-angle camera, image collecting device are used to record the picture that screen and speaker are write on transparent hand-written panel；Image processing apparatus is connected with image collecting device, and the picture for being recorded to figure harvester is handled, and is encoded to video file；Storage device is connected with image acquisition and processing device, for the video file obtained after the processing of storage image processing unit.
Description
Technical field
The present invention relates to field of computer multimedia, more particularly to a kind of method of screen recording device and recorded video.
Background technology
Explained in existing course, or during session discussing, it would be desirable to by the process of speaker's speech and to PPT
Or the process that other PowerPoints are labeled is recorded convenient propagation afterwards or consulted.
Currently used method is to add the method marked with mouse on screen to be write, most by recording screen software
All the elements are grabbed screen protection afterwards and are stored to video file, however, being labeled during speech using mouse on screen, are led
Cause the hand-written experience sense of speaker poor, and the technical problem of corresponding record screen software must be installed in computer.
The content of the invention
The invention provides a kind of screen recording device and the method for recorded video, solve and used during speech
Mouse is labeled on screen, and the hand-written experience sense of caused speaker is poor, and corresponding record must be installed in computer
Shield the technical problem of software.
The invention provides a kind of screen recording device, including：
Transparent hand-written panel, image collecting device 101, image processing apparatus 102, storage device and writing pencil；
The transparent hand-written panel attachment is arranged at the front of screen；
The writing pencil carries out necessary writing for speaker on the transparent hand-written panel；
Described image harvester includes wide-angle camera, and the wide-angle camera is set up by the branch above the screen
It is placed in the front of the transparent hand-written panel, transparent hand-written panel described in the camera lens face of the wide-angle camera, described image
Harvester is used to record the picture that the screen and speaker are write on transparent hand-written panel；
Described image processing unit communicates to connect with described image harvester, for being recorded to the figure harvester
Picture handled, be encoded to video file；
The storage device communicates to connect with described image acquisition processing device, for storing at described image processing unit
The video file obtained after reason.
Preferably, described image processing unit specifically includes：
Image flame detection module, for carrying out correction process to the picture being recorded to, obtain the image after correction process；
Image segmentation module, for the image after the correction process to be divided into the image block of predetermined number pixel；
Picture recognition module, for identifying the image block including human body and writing pencil from described image block；
Image update module, do not include the human body and writing pencil for identify described image identification module
Image block, covered with corresponding parts of images block in the image block of the predetermined number pixel of next frame described image segmentation module segmentation
Lid, the image after being updated；
Video encoding module, it is institute for the Image Coding after the renewal that obtains described image update module every time
State video file.
Preferably, screen recording device provided by the invention also includes recording device；
Recording device is used to carry out real-time recording to explanation of the speaker in presentation process, obtains voice document.
Preferably, screen recording device provided by the invention also includes voice and video synthesizer；
Voice and video synthesizer, for the video file for obtaining described image processing unit and the recording dress
The institute's voice file for putting to obtain synthesizes voice and video file.
Preferably, the storage device and the recording device communicate to connect, and obtain for storing the recording device
Institute's voice file；
The storage device communicates to connect with the voice and video synthesizer, for storing the voice and video synthesis dress
Put the voice and video file of synthesis.
Preferably, the storage device is USB storage or SD storage cards.
Present invention also offers a kind of method of screen recording video, filled by the screen recording described in any of the above one
Realization is put, in addition to：
S1, obtain the picture that described image harvester records screen and speaker is write on transparent hand-written panel
Face；
S2, the picture recorded by figure harvester described in image processing apparatus are handled, and are encoded to video text
Part；
S3, the video file obtained after the processing of described image processing unit is stored by storage device.
Preferably, step S1 is specifically included：
The picture that described image harvester records screen and speaker is write on transparent hand-written panel is obtained, together
When real-time recording carried out to explanation of the speaker in presentation process by recording device, obtain voice document.
Preferably, after step S2, also include before step S3：
The video file and the recording dress for being obtained described image processing unit by voice and video synthesizer
The institute's voice file for putting to obtain synthesizes voice and video file.
Preferably, step S3 is specifically included：
The video file obtained after the processing of described image processing unit is stored by storage device, stores the recording
Institute's voice file that device obtains, store the voice and video file of the voice and video synthesizer synthesis.
From above technical scheme, the present invention has advantages below：
The invention provides a kind of screen recording device, including：Transparent hand-written panel, image collecting device, image procossing
Device, storage device and writing pencil；The transparent hand-written panel attachment is arranged at the front of screen；The writing pencil is used to give a lecture
Person carries out necessary writing on the transparent hand-written panel；Described image harvester includes wide-angle camera, the wide-angle
Camera is arranged at the front of the transparent hand-written panel, the camera lens of the wide-angle camera by the support above the screen
Transparent hand-written panel described in face, described image harvester are used to record the screen and speaker in transparent hand-written panel
The picture write；Described image processing unit communicates to connect with described image harvester, for being gathered to the figure
The picture that device is recorded is handled, and is encoded to video file；The storage device communicates with described image acquisition processing device
Connection, for storing the video file obtained after the processing of described image processing unit.
In the present invention, image collecting device records the picture that screen and speaker are write on transparent hand-written panel,
Speaker can use writing pencil to be carried out on the transparent hand-written panel being arranged in front of screen to the corresponding position of PowerPoint
Mark, the hand-written experience sense of speaker, the picture recorded by image processing apparatus to figure harvester can be greatly enhanced
Face is handled, and is preserved in the storage device after being encoded to video file, in order to propagate or consult speech afterwards, together
When apparatus of the present invention be without on computers installation record screen software, solve during speech using mouse it is enterprising in screen
Rower is noted, and the hand-written experience sense of caused speaker is poor, and the technology that corresponding record screen software must be installed in computer is asked
Topic.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of one embodiment of screen recording device provided by the invention；
Fig. 2 is a kind of schematic flow sheet of one embodiment of the method for screen recording video provided by the invention；
Fig. 3 is a kind of schematic flow sheet of another embodiment of the method for screen recording video provided by the invention；
Wherein, marked in figure as follows：
101st, image collecting device；102nd, image processing apparatus；103rd, recording device；104th, voice and video synthesizer；
105th, storage device；1021st, image flame detection module；1022nd, image segmentation module；1023rd, picture recognition module；1024th, image
Update module；1025th, video encoding module.
Embodiment
The embodiments of the invention provide a kind of screen recording device and the method for recorded video, solves the process in speech
Middle to be labeled using mouse on screen, the hand-written experience sense of caused speaker is poor, and phase must be installed in computer
The technical problem for the record screen software answered.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 1, the invention provides a kind of one embodiment of screen recording device, including：
Transparent hand-written panel, image collecting device 101, image processing apparatus 102, storage device 105 and writing pencil；
Transparent hand-written panel attachment is arranged at the front of screen；
Writing pencil carries out necessary writing for speaker on transparent hand-written panel；
Image collecting device 101 includes wide-angle camera, and wide-angle camera is arranged at transparent by the support above screen
The front of hand-written panel, the transparent hand-written panel of camera lens face of wide-angle camera, image collecting device 101 be used for record screen and
The picture that speaker is write on transparent hand-written panel；
Image processing apparatus 102 communicates to connect with image collecting device 101, for entering to the picture that wide-angle camera is recorded
Row processing, is encoded to video file；
Storage device 105 communicates to connect with image acquisition and processing device 102, is handled for storage image processing unit 102
The video file obtained afterwards.
It should be noted that in the embodiment of the present invention, image collecting device 101 records screen and speaker transparent hand-written
The picture write on panel, speaker can use writing pencil on the transparent hand-written panel being arranged in front of screen to drilling
Show that the corresponding position of manuscript is labeled, the hand-written experience sense of speaker can be greatly enhanced, pass through image processing apparatus 102
The picture recorded to figure harvester 101 is handled, and is protected after being encoded to video file in storage device 105
Deposit, in order to propagate or consult speech afterwards, while apparatus of the present invention are without the screen software of installation record on computers, are solved
It is labeled during speech using mouse on screen, the hand-written experience sense of caused speaker is poor, and must be in electricity
The technical problem of corresponding record screen software is installed in brain.
Further, image processing apparatus 102 specifically includes：
Image flame detection module 1021, for carrying out correction process to the picture being recorded to, obtain the image after correction process；
Image segmentation module 1022, for the image after correction process to be divided into the image block of predetermined number pixel；
Picture recognition module 1023, for identifying the image block including human body and writing pencil from image block；
Image update module 1024, do not include human body and writing pencil for identify picture recognition module 1023
Image block, covered with corresponding parts of images block in the image block of the predetermined number pixel of the segmentation of next frame image segmentation module 1022
Lid, the image after being updated；
Video encoding module 1025, for the Image Coding after the renewal that obtains image update module 1024 every time be regarding
Frequency file.
Rectified it should be noted that the picture that image flame detection module 1021 is recorded to image collecting device 101 carries out camera lens
Positive processing, first by calculating distortion mapping first, then among the mapping tried to achieve is applied to image, image is carried out common
Geometric transformation, the image after being corrected；Image after correction is divided into the N*N of predetermined number by image segmentation module 1022
The image block of pixel；In the image block of N*N pixels of the picture recognition module 1023 after segmentation, identify including human body and
The image block of writing pencil；Image update module 1024 will be updated to image block always, the image after being updated, renewal
Process is the image block not including human body and writing pencil identified to picture recognition module 1023, is schemed with next two field picture
Corresponding parts of images block covering in the image block for the N*N pixels split as splitting module 1022.
Further, screen recording device provided in an embodiment of the present invention also includes recording device 103；
Recording device 103 is used to carry out real-time recording to explanation of the speaker in presentation process, obtains voice document.
It should be noted that recording device 103 will be recorded in real time to explanation of the speaker in presentation process, obtain
To voice document.
Further, screen recording device provided by the invention also includes voice and video synthesizer 104；
Voice and video synthesizer 104, for the video file and recording device 103 for obtaining image processing apparatus 102
Obtained voice document synthesizes voice and video file.
It should be noted that video file that voice and video synthesizer 104 obtains image processing apparatus 102 and recording
The voice document that device 103 obtains synthesizes voice and video file according to recording time.
Further, storage device 105 communicates to connect with recording device 103, the voice obtained for storing recording device
File；
Storage device 105 communicates to connect with voice and video synthesizer 104, is synthesized for storaged voice Video Composition device
Voice and video file.
It should be noted that video file, voice document and voice and video file can be preserved in storage device 105, with
Just later reference.
Further, storage device 105 is USB storage or SD storage cards.
It is apparent to those skilled in the art that for convenience and simplicity of description, the module of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Above is to a kind of explanation of one embodiment of screen recording device provided by the invention, below will be to the present invention
A kind of one embodiment of the method for the screen recording video provided illustrates.
Referring to Fig. 2, the invention provides a kind of one embodiment of the method for screen recording video, including implement above
Screen recording device described in example, in addition to：
201st, the picture that image collecting device records screen and speaker is write on transparent hand-written panel is obtained；
It should be noted that transparent hand-written panel attachment is arranged to the front of screen, by image collecting device
Wide-angle camera, face the picture that transparent hand-written panel records screen and speaker is write on transparent hand-written panel
Face.
202nd, the picture recorded by image processing apparatus figure harvester is handled, and is encoded to video file；
It should be noted that image flame detection, image segmentation, image recognition and figure are carried out to picture by image processing apparatus
It is finally video file by Image Coding as renewal processing.
203rd, the video file obtained after being handled by storage device storage image processing unit.
It should be noted that obtained video file is preserved by storage device, so as to later reference.
Above is to a kind of explanation of one embodiment of the method for screen recording video provided by the invention, below will be right
A kind of another embodiment of the method for screen recording video provided by the invention illustrates.
It is referring to Fig. 3, real the invention provides a kind of another embodiment of the method for screen recording video, including above
The screen recording device described in example is applied, in addition to：
301st, the picture that image collecting device records screen and speaker is write on transparent hand-written panel is obtained, together
When real-time recording carried out to explanation of the speaker in presentation process by recording device, obtain voice document；
It should be noted that transparent hand-written panel attachment is arranged to the front of screen, by image collecting device
Wide-angle camera, face the picture that transparent hand-written panel records screen and speaker is write on transparent hand-written panel
Face, while the voice explained by recording device recording speaker, obtain voice document.
302nd, the picture recorded by image processing apparatus figure harvester is handled, and is encoded to video file；
It should be noted that image flame detection, image segmentation, image recognition and figure are carried out to picture by image processing apparatus
It is finally video file by Image Coding as renewal processing.
303rd, the video file and recording device for being obtained image processing apparatus by voice and video synthesizer obtain
Voice document synthesizes voice and video file；
It should be noted that using voice and video synthesizer, the video file that image processing apparatus is obtained and recording
The voice document that device obtains synthesizes voice and video file.
304th, the video file obtained after being handled by storage device storage image processing unit, storage recording device obtain
Institute's voice file, storaged voice Video Composition device synthesis voice and video file.
It should be noted that obtained video file, voice document and voice and video file are carried out by storage device
Preserve, so as to later reference.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. screen recording device, it is characterised in that including：Transparent hand-written panel, image collecting device, image processing apparatus, storage device and writing pencil；The transparent hand-written panel attachment is arranged at the front of screen；The writing pencil carries out necessary writing for speaker on the transparent hand-written panel；Described image harvester includes wide-angle camera, and the wide-angle camera is arranged at by the support above the screen The front of the transparent hand-written panel, transparent hand-written panel described in the camera lens face of the wide-angle camera, described image collection Device is used to record the picture that the screen and speaker are write on transparent hand-written panel；Described image processing unit communicates to connect with described image harvester, for the picture recorded to the figure harvester Face is handled, and is encoded to video file；The storage device communicates to connect with described image acquisition processing device, after storing the processing of described image processing unit The obtained video file.
- 2. screen recording device according to claim 1, it is characterised in that described image processing unit specifically includes：Image flame detection module, for carrying out correction process to the picture being recorded to, obtain the image after correction process；Image segmentation module, for the image after the correction process to be divided into the image block of predetermined number pixel；Picture recognition module, for identifying the image block including human body and writing pencil from described image block；Image update module, for the image for not including the human body and writing pencil for identifying described image identification module Block, covered with corresponding parts of images block in the image block of the predetermined number pixel of next frame described image segmentation module segmentation, Image after being updated；Video encoding module, regarded for the Image Coding after the renewal that obtains described image update module every time to be described Frequency file.
- 3. screen recording device according to claim 2, it is characterised in that also including recording device；Recording device is used to carry out real-time recording to explanation of the speaker in presentation process, obtains voice document.
- 4. screen recording device according to claim 3, it is characterised in that also including voice and video synthesizer；Voice and video synthesizer, the video file and the recording device for described image processing unit to be obtained obtain To institute's voice file synthesize voice and video file.
- 5. screen recording device according to claim 4, it is characterised in that the storage device leads to the recording device Letter connection, the institute's voice file obtained for storing the recording device；The storage device communicates to connect with the voice and video synthesizer, is closed for storing the voice and video synthesizer Into the voice and video file.
- 6. screen recording device according to claim 5, it is characterised in that the storage device is USB storage or SD Storage card.
- 7. a kind of method of screen recording video, real by the screen recording device as described in any one in claim 1 to 6 It is existing, it is characterised in that also to include：S1, obtain the picture that described image harvester records screen and speaker is write on transparent hand-written panel；S2, the picture recorded by figure harvester described in image processing apparatus are handled, and are encoded to video file；S3, the video file obtained after the processing of described image processing unit is stored by storage device.
- 8. the method for screen recording video according to claim 7, it is characterised in that step S1 is specifically included：The picture that described image harvester records screen and speaker is write on transparent hand-written panel is obtained, is led to simultaneously Cross recording device and real-time recording is carried out to explanation of the speaker in presentation process, obtain voice document.
- 9. the method for screen recording video according to claim 8, it is characterised in that after step S2, before step S3 Also include：The video file and the recording device for being obtained described image processing unit by voice and video synthesizer obtain To institute's voice file synthesize voice and video file.
- 10. the method for screen recording video according to claim 9, it is characterised in that step S3 is specifically included：The video file obtained after the processing of described image processing unit is stored by storage device, stores the recording device Obtained institute's voice file, store the voice and video file of the voice and video synthesizer synthesis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710822874.9A CN107454360A (en) | 2017-09-13 | 2017-09-13 | A kind of method of screen recording device and recorded video |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710822874.9A CN107454360A (en) | 2017-09-13 | 2017-09-13 | A kind of method of screen recording device and recorded video |
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Application publication date: 20171208 |