CN102074220A - Method for eliminating visual vibration of screen display equipment - Google Patents

Method for eliminating visual vibration of screen display equipment Download PDF

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Publication number
CN102074220A
CN102074220A CN 201010546970 CN201010546970A CN102074220A CN 102074220 A CN102074220 A CN 102074220A CN 201010546970 CN201010546970 CN 201010546970 CN 201010546970 A CN201010546970 A CN 201010546970A CN 102074220 A CN102074220 A CN 102074220A
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China
Prior art keywords
vibration
screen
screen display
signal
show
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Application number
CN 201010546970
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Chinese (zh)
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CN102074220B (en
Inventor
宋喆明
李永建
王波
左娟
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Southwest Jiaotong University
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Southwest Jiaotong University
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Priority to CN2010105469703A priority Critical patent/CN102074220B/en
Publication of CN102074220A publication Critical patent/CN102074220A/en
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Publication of CN102074220B publication Critical patent/CN102074220B/en
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Abstract

The invention discloses a method for eliminating visual vibration of screen display equipment, which is used for eliminating the visual vibration of the screen display equipment in the same vibration source environment. A threshold value judgment unit judges the acceleration information in vibration signals; if the vibration exceeds a threshold value, the frequency, the amplitude and the direction of the vibration signals are analyzed, and then the vibration signals are transmitted to a vibration vision attenuation processing unit (7); the vibration signals are processed by a visual vibration attenuation function to generate new screen display content display parameters; and the parameters are synthesized with screen display content signals Sig0 through a screen display signal synthesizing unit (8) and then sent to the screen display equipment (5) for displaying so as to fulfill the purpose of stabilizing the display images relative to the vision. The method can be widely applied to visual display terminals (VDT) under the running environments of vibration working conditions, screen display systems of carriers such as airplanes, trains, automobiles and the like, and information display terminals of mobile phones, personal digital assistants (PDA) and the like.

Description

A kind of method of eliminating the apparent equipment visual vibration of screen
Technical field
The present invention relates to shield apparent equipment, especially under vibration environment, keep the screen of good visual effect to show opertaing device manufacturing field.
Background technology
Monitor staff in the engineering system or plant equipment, the display device under delivery system environment such as car and boat aircraft usually is subjected to the influence of various vibrations.Vibration tends to disturb the performance of human eye normal physiological function, influence video and on the human eye retina, form stable image, make the dimness of vision, and then cause dizzy, have a strong impact on correctness and speed that human eye received and discerned various visual informations, even influence health.Human eye is big more with relative vibration level between the sensation target, influences also serious more.
CNKI, SCI, EI, SDOS database and national patent database are not all found this type of correlation technique information by retrieval.
Summary of the invention
Above shortcoming in view of prior art, the purpose of this invention is to provide a kind of method that screen shows the equipment visual vibration of eliminating, make it to overcome the above shortcoming of prior art, when the apparent equipment of screen is in vibration environment, automatically the vibration of control flow display information content, be adjusted at screen and show demonstration on the equipment, thereby reduce the relative vibration of human eye and sensation target, finally reach and slow down or eliminate the influence of vibrating visual identity.
The objective of the invention is to realize by following means.
A kind of method of eliminating the apparent equipment visual vibration of screen, be used for eliminating screen and show the equipment visual vibration at same vibration source environment, adopt a vibration transducer (2) to detect vibration signal and signal is sent into threshold decision unit (3), the latter judges the acceleration information in the vibration signal, if vibration acceleration a is less than setting acceleration a Max, then the apparent content signal Sig0 of the screen of screen display signals receiving element (10) is directly connected screen display signals transmitting element (4) and sends to apparent equipment (5) demonstration of screen; If surpassing, vibration acceleration a sets acceleration a Max, then described screen is shown content signal Sig0 and is sent to screen display signals synthesis unit (8); Vibration signal device (6) by analysis is sent to oscillating vision attenuation processing unit (7) after frequency, amplitude, the direction of vibration signal are analyzed, handle the new screen of generation through latter's visual vibration attenuation function and show the content display parameter, after described parameter is synthesized through the apparent content signal Sig0 of screen display signals synthesis unit (8) and screen, send to screen by screen display signals transmitting element (4) and show equipment (5) demonstration, thereby reach the purpose of relative vision steady display image.
Adopt method of the present invention, when showing equipment, screen is in the vibration environment, this system obtains the coupled vibration parameter of environment automatically, when vibration parameters surpasses certain threshold value, start screen display information vibration damping processing unit, the display parameter of real time altering screen display information content, thus the relative vibration of human eye and sensation target reduced, finally reach the target of vision vibrationproof.
Description of drawings
The work block diagram of Fig. 1 the inventive method.
The workflow diagram of Fig. 2 the inventive method.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
In Fig. 1: the 1-vibration source, the 2-vibration transducer, 3-threshold decision unit, 4-screen display signals transmitting element, the 5-screen shows equipment, 6-divided oscillation signal parser, 7-visual vibration attenuation processing unit, 8-screen display signals synthesis unit, 9-logical gate, 10-screen display signals receiving element, the 11-signal source.
Can see in conjunction with Fig. 1 and Fig. 2:
Vibration transducer (2), (can adopt acceleration transducer, vibration FAD (obtaining vibration frequency, amplitude, the direction of vibration source) comprehensive sensor) obtains the vibration signal of vibration source (1), after filtering, signal amplification and normalized, send into threshold decision unit (3) through transmission circuit.Threshold decision module (3) is judged the acceleration information in the vibration signal, if vibration acceleration a is less than setting acceleration a Max, then the screen that oracle (11) is not sent to the screen display signals receiving element shows content signal and handles, and directly connects screen display signals transmitting element (4) and sends to screen and show equipment (5) and show; If surpassing, vibration acceleration a sets acceleration a Max, then the apparent content signal Sig0 of screen is sent to screen display signals synthesis unit (8).Vibration signal is through the frequency of divided oscillation signal parser (6) to vibration signal, amplitude, after direction is analyzed, be transferred to oscillating vision attenuation processing unit (7) downwards, through visual vibration attenuation function F (Sig0, (frequency, direction, amplitude)) processing generates new screen and shows the content display parameter, after the apparent content signal Sig0 of gained apparent content display parameter process screen display signals synthesis units of screen (8) and former screen is synthetic, send to screen by screen display signals transmitting element (4) and show equipment (5) demonstration, thereby reach the purpose of relative vision steady display image.
Embodiment
With the railway car television program transmission is example, and it is the LED giant-screen that screen shows equipment, and vibration transducer is arranged on the support of giant-screen and gathers the train vibration signal, is input to vehicle-mounted vibration signal processing device then.At first the vibration acceleration index is analyzed, if greater than setting acceleration rate threshold, then vibration frequency, amplitude, direction are made a concrete analysis of and passed through vision attenuation processing function and generate the screen display signals display parameter, with former TV programme signal synthetic after, send to compartment television video interface, make human eye obtain metastable television image.
The present invention can be applicable to be in the various VDTs under the vibration operating mode running environment, because system has real-time reception vibration information and adjusts the screen display information content shows display parameter on the equipment at screen function, thereby can effectively reduce relative vibration level between human eye and the sensation target, reach and slow down or eliminate terminal vibration influence vision, improve the people greatly because of the visual identity reliability, help system's security of operation, thereby can effectively eliminate the dizzy raising euphorosia degree that vibration causes simultaneously, have broad application prospects and good social benefit.
Above what state only is the preferred implementation of the inventive method, should be pointed out that under the prerequisite that does not break away from the inventive method essence can make some changes in reality is implemented should be included in protection scope of the present invention.

Claims (6)

1. eliminate the method that screen shows the equipment visual vibration for one kind, be used for eliminating screen and show the equipment visual vibration at same vibration source environment, it is characterized in that, adopt a vibration transducer (2) to detect vibration signal and signal is sent into threshold decision unit (3), the latter judges the acceleration information in the vibration signal, if vibration acceleration a is less than setting acceleration a Max, then the apparent content signal Sig0 of the screen of screen display signals receiving element (10) is directly connected screen display signals transmitting element (4) and sends to apparent equipment (5) demonstration of screen; If surpassing, vibration acceleration a sets acceleration a Max, then described screen is shown content signal Sig0 and is sent to screen display signals synthesis unit (8); Vibration signal is sent to oscillating vision attenuation processing unit (7) after through divided oscillation signal parser (6) frequency, amplitude, the direction of vibration signal being analyzed, handle the new screen of generation through latter's visual vibration attenuation function and show the content display parameter, after described parameter is synthesized through the apparent content signal Sig0 of screen display signals synthesis unit (8) and screen, send to screen by screen display signals transmitting element (4) and show equipment (5) demonstration, thereby reach the purpose of relative vision steady display image.
2. show the method for equipment visual vibration according to the described elimination of claim 1 screen, it is characterized in that, described vibration transducer (2) detect that vibration signal amplifies by filtering, signal and normalized after send into threshold decision unit (3).
3. show the method for equipment visual vibration according to the described elimination screen of claim 1, it is characterized in that, described vibration transducer (2) can be acceleration transducer, vibration FAD comprehensive sensor.
4. show the method for equipment visual vibration according to the described elimination screen of claim 1, it is characterized in that, described divided oscillation signal parser (6) is sent into oscillating vision attenuation processing unit (7) after vibration signal frequency, amplitude, direction are analyzed.
5. show the method for equipment visual vibration according to the described elimination screen of claim 1, it is characterized in that described oscillating vision attenuation processing unit (7) generates new screen and shows content parameters vibration signal processing.
6. the method that shows the equipment visual vibration according to the described elimination screen of claim 1, it is characterized in that, described screen display signals synthesis unit (8) will shield show content parameters and former screen show content signal synthetic after, send to screen by screen display signals transmitting element (4) and show equipment (5) and show.
CN2010105469703A 2010-11-17 2010-11-17 Method for eliminating visual vibration of screen display equipment Expired - Fee Related CN102074220B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105469703A CN102074220B (en) 2010-11-17 2010-11-17 Method for eliminating visual vibration of screen display equipment

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Application Number Priority Date Filing Date Title
CN2010105469703A CN102074220B (en) 2010-11-17 2010-11-17 Method for eliminating visual vibration of screen display equipment

Publications (2)

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CN102074220A true CN102074220A (en) 2011-05-25
CN102074220B CN102074220B (en) 2012-07-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101484776A (en) * 2006-06-30 2009-07-15 索尼株式会社 Oscillation gyro sensor
CN101621627A (en) * 2008-07-04 2010-01-06 佳能株式会社 Vibration correcting device
JP2010117659A (en) * 2008-11-14 2010-05-27 Canon Inc Image pickup apparatus with blur correction function and method of controlling the same
CN101762940A (en) * 2008-12-11 2010-06-30 索尼株式会社 Blur correcting device, blur correcting method, and image pickup apparatus
JP2010258933A (en) * 2009-04-28 2010-11-11 Fujifilm Corp Image transforming apparatus and method of controlling operation of the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101484776A (en) * 2006-06-30 2009-07-15 索尼株式会社 Oscillation gyro sensor
CN101621627A (en) * 2008-07-04 2010-01-06 佳能株式会社 Vibration correcting device
JP2010117659A (en) * 2008-11-14 2010-05-27 Canon Inc Image pickup apparatus with blur correction function and method of controlling the same
CN101742098A (en) * 2008-11-14 2010-06-16 佳能株式会社 Image pickup apparatus and control method thereof
CN101762940A (en) * 2008-12-11 2010-06-30 索尼株式会社 Blur correcting device, blur correcting method, and image pickup apparatus
JP2010258933A (en) * 2009-04-28 2010-11-11 Fujifilm Corp Image transforming apparatus and method of controlling operation of the same

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