CN103414908B - The method that 3D glasses, 3D TV and image depth thereof control - Google Patents
The method that 3D glasses, 3D TV and image depth thereof control Download PDFInfo
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Abstract
The invention discloses a kind of method that 3D glasses, 3D TV and image depth thereof control, method is: receive viewing instruction, plays television image according to this viewing instruction with the depth of field initial value of 3D rendering, and searches the fatigue threshold preset；With described fatigue threshold, the brain wave data value from described 3D glasses being currently received is carried out size compare；When described brain wave data value is more than or equal to described fatigue threshold, then automatically reduce the image depth play；After reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to described depth of field initial value。The method that 3D glasses provided by the present invention, 3D TV and image depth thereof control, it may be achieved alleviate user's visual fatigue when watching 3D TV, improve user and watch the visual comfort of 3D television image。<!--1-->
Description
Technical field
The present invention relates to 3D TV technology, especially relate to a kind of method that 3D glasses, 3D TV and image depth thereof control。
Background technology
3D TV has been a kind of main product of current TV market, and this 3D TV requires over 3D glasses and mates with TV and just can watch 3D picture。The principle of viewing 3D television image is that the vision difference seeing image by left and right eyes embodies, the namely depth of field of right and left eyes。The principle of 3D realizing television 3D visual effect is that left and right 2 width picture is focused on display, and the size of the 3D rendering depth of field determines the concave-convex effect of vision。It is to say, the 3D rendering depth of field directly affects the concave-convex effect of 3D rendering viewing。
Though viewing 3D TV process can enjoy the actual visual effect that 3D rendering brings, but the long human eye of viewing time one can feel very tired, here it is because the 3D rendering depth of field that 3D TV shows causes people eyestrain too greatly。
Summary of the invention
Present invention is primarily targeted at a kind of method providing 3D glasses, 3D TV and image depth thereof to control, alleviate user's visual fatigue when watching 3D TV。
The present invention proposes the method that the image depth of a kind of 3D TV controls, including:
Receive viewing instruction, play television image according to this viewing instruction with the depth of field initial value that 3D rendering is corresponding, and search the fatigue threshold of correspondence；
With described fatigue threshold, the brain wave data value from 3D glasses being currently received is carried out size compare；
When described brain wave data value is more than or equal to described fatigue threshold, then automatically reduce the image depth play；
After reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to described depth of field initial value；
Also include before the described fatigue threshold searching correspondence:
Receive the entry instruction of modification model, control television image according to described entry instruction and play entrance modification model；
Modification model process receives revision directive, obtains the currently received brain wave data value from the described single 3D glasses worn according to revision directive；
New fatigue threshold is calculated by this brain wave data value and the fatigue threshold preset, by the described new fatigue threshold fatigue threshold as described correspondence according to preset algorithm。
Preferably, described default fatigue threshold includes: the occurrence number α 1, the highest frequency value β 1 of beta response of the alpha rhythm in brain wave in the setting time preset；
Described brain wave data value includes: receive the occurrence number α 2 of the alpha rhythm in brain wave in setting time during revision directive and the highest frequency value β 2 of beta response；
Described calculated new fatigue threshold particularly as follows: described brain wave data value be added with default fatigue threshold according to preset algorithm by this brain wave data value and the fatigue threshold preset, then take the meansigma methods after addition as new fatigue threshold, obtain new fatigue threshold and include: (α 1+ α 2)/2, (β 1+ β 2)/2。
Preferably, the method that the image depth of described 3D TV controls, in the image depth process being automatically gradually increased broadcasting, when the brain wave data value received is more than or equal to described fatigue threshold, then stop increasing the image depth operation play, and perform automatically to reduce the operation of the image depth play。
The present invention separately proposes a kind of 3D TV, including:
Playing module, is used for receiving viewing instruction, plays television image according to this viewing instruction with the depth of field initial value that 3D rendering is corresponding, and searches the fatigue threshold of correspondence；
Comparison module, compares for the brain wave data value from 3D glasses being currently received is carried out size with described fatigue threshold；
The depth of field controls module, for when described brain wave data value is more than or equal to described fatigue threshold, then automatically reducing the image depth play；And after reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to described depth of field initial value；
Correcting module, for receiving the entry instruction of modification model, controls television image according to described entry instruction and plays entrance modification model；And in modification model process, receive revision directive, obtain the currently received brain wave data value from the described single 3D glasses worn according to revision directive；New fatigue threshold is calculated by this brain wave data value and the fatigue threshold preset, by the described new fatigue threshold fatigue threshold as described correspondence according to preset algorithm。
Preferably, described default fatigue threshold includes: the occurrence number α 1, the highest frequency value β 1 of beta response of the alpha rhythm in brain wave in the setting time preset；
Described brain wave data value includes: receive the occurrence number α 2 of the alpha rhythm in brain wave in setting time during revision directive and the highest frequency value β 2 of beta response；
Described new fatigue threshold includes: (α 1+ α 2)/2, (β 1+ β 2)/2。
Preferably, the described depth of field controls module, is additionally operable in the image depth process being automatically gradually increased broadcasting, when the brain wave data value received is more than or equal to described fatigue threshold, then stop increasing the image depth operation play, and perform automatically to reduce the operation of the image depth play。
The method that a kind of 3D glasses provided by the present invention, 3D TV and image depth thereof control, by when the brain wave data value received is more than or equal to fatigue threshold, then automatically reducing the image depth play；After reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to the mode of described depth of field initial value, the visual fatigue alleviating user when watching 3D TV can be realized, improve user and watch the visual comfort of 3D television image。
Accompanying drawing explanation
Fig. 1 is the flow chart of the method preferred embodiment of the image depth control of 3D TV of the present invention；
Fig. 2 is the structural representation of 3D TV preferred embodiment of the present invention；
Fig. 3 is the structural representation of 3D another embodiment of TV of the present invention；
Fig. 4 is the structural representation of 3D glasses preferred embodiment of the present invention。
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing。
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention。
Referring to Fig. 1, it is proposed to the method that the image depth of a kind of 3D TV of the present invention controls, including:
Step S101, reception viewing instruction, play television image according to this viewing instruction with the depth of field initial value that 3D rendering is corresponding, and search the fatigue threshold of correspondence。
In the present embodiment, user watches 3D TV to be needed to wear the 3D glasses mated with this 3D TV, and these 3D glasses have brain wave data and detect in real time and by the brain wave data value real-time Transmission that detects to the function of 3D TV。Namely once user wears these 3D glasses and opens described function, just detect brain wave data in real time, and in real time the brain wave data value detected is transferred to 3D TV。
In the present embodiment, 3D TV is preset with a fixing fatigue threshold when dispatching from the factory, for comparing with the brain wave data value of 3D glasses transmission, so that 3D TV judges whether the depth of field value needing to reduce currently playing television image according to comparative result。And each user practical situation according to self can arrange the fatigue threshold of self correspondence before viewing 3D TV, and store to 3D TV, in order to follow-up use。Existing fatigue threshold can also be modified by each user before viewing 3D TV, the fatigue threshold obtaining self correspondence (should " existing fatigue threshold " can be factory pre-sets, can be that user is arranged according to own situation, it is also possible to be that the fatigue threshold to factory pre-sets is revised)。Therefore the described default fatigue threshold in step S101 can be factory pre-sets, it can be user preset, the user that can also be corresponding revises settings when starting to watch 3D television image before, it is also possible to be correspondence user this start to watch setting during 3D television image。Namely existing fatigue threshold can be modified when each user starts to watch 3D television image, it is also possible to do not revise。If not revising, using this existing fatigue threshold as fatigue threshold corresponding to this user。If revising, then using revised fatigue threshold as fatigue threshold corresponding to this user。
Wherein, if needing when this starts to watch 3D television image to revise, then before searching corresponding fatigue threshold, including following process: receive the entry instruction of modification model, playing according to described entry instruction control television image and entering modification model。Modification model process receives revision directive, obtains the currently received wave data value from the described single 3D glasses worn according to revision directive。New fatigue threshold is calculated by this brain wave data value and the fatigue threshold preset, by the described new fatigue threshold fatigue threshold as described correspondence according to preset algorithm。
In the present embodiment, described television image is play and is entered in modification model process, unlike the size of relatively this brain wave data value with the corresponding fatigue threshold arranged in 3D TV after receiving brain wave data value。Only (now represent that user has been enter into fatigue state, it is necessary to reduce image depth) when receiving the revision directive of user's input, just obtain the brain wave data value being currently received。Wherein, the corresponding fatigue threshold that the brain wave data value that this is currently received is likely larger than, has arranged equal to or less than 3D TV。
New fatigue threshold is calculated by this brain wave data value with the corresponding fatigue threshold arranged in 3D TV further according to preset algorithm, by the described new fatigue threshold fatigue threshold as described correspondence after getting currently received brain wave data value；And in the subsequent process of this viewing 3D TV, by described new fatigue threshold as the need of the criterion reducing image depth。
Wherein, described preset algorithm is: the corresponding fatigue threshold brain wave data value received when receiving revision directive arranged with 3D TV is added, and then takes the meansigma methods after addition as new fatigue threshold。
Being found when people closes order in clear-headed peace and quiet by the research of brain wave, alpha rhythm occurs, E.E.G voltage amplitude is risen to 20～100 μ v by 5～20 μ V；Frequency of brain wave is down to 8～13HZ by 14～30HZ, and electric field energy increases, magnetic field energy reduces。When eyes are opened, alpha rhythm disappears, and beta response occurs, E.E.G voltage amplitude is down to 5～20 μ V by 20～100 μ V, and frequency of brain wave is risen to 14～30HZ by 8～13HZ, and magnetic field energy increases, electric field energy reduces。By eye process, people occurs that nictation, phenomenon showed that human eye has started to fatigue, therefore in certain time period, the occurrence number of alpha rhythm and the highest frequency of beta response can characterize the degree of fatigue of human eye。
In the present embodiment, above-mentioned brain wave data value includes: the highest frequency of the occurrence number of the alpha rhythm in brain wave and beta response in the setting time。In like manner above-mentioned fatigue threshold includes: may occur in which the number of times of alpha rhythm and the accessible highest frequency of beta response in the setting time in brain wave。
The algorithm that the above-mentioned fatigue threshold to having arranged is modified calculating is specific as follows: setting the occurrence number of the alpha rhythm set in the time in brain wave in the fatigue threshold arranged as α 1, the highest frequency of beta response is β 1；If the occurrence number of the alpha rhythm set in the time in brain wave in the brain wave data value received when receiving revision directive is as α 2, the highest frequency of beta response is β 2；Take the meansigma methods after addition as new fatigue threshold, obtain new fatigue threshold and include: (α 1+ α 2)/2, (β 1+ β 2)/2。
The present embodiment adopts this calculation, the numerical value corresponding to visual fatigue degree that the fatigue threshold of acquisition can bear closer to user。Avoid because revised fatigue threshold exceedes the visual fatigue degree that user can bear, make user's vision fatigue in watching process。Thus user's visual fatigue when watching 3D TV can really be alleviated, improve user and watch the visual comfort of 3D television image。
The present embodiment is provided the mode that fatigue threshold is modified, and the fatigue threshold that different user is corresponding can be the same or different, and namely can solve the problem that different users watches personal likes different during 3D TV and custom。
Step S102, the brain wave data value from 3D glasses being currently received is carried out size with described fatigue threshold compare。
Step S103, when described brain wave data value is more than or equal to described fatigue threshold, then automatically reduce the image depth play。
Below by way of an instantiation, in this step, relatively described brain wave data value and described fatigue threshold size are described in detail。If the brain wave data value from the described single 3D glasses worn being currently received includes: αA, βA；Described fatigue threshold includes: αB, βB；By α in comparison procedureAWith αBCarry out size to compare, simultaneously by βAWith βBCarry out size to compare。Work as αAMore than or equal to αB, β simultaneouslyAMore than or equal to βB, then described brain wave data value is considered more than or equal to described fatigue threshold。Namely α is worked asAMore than or equal to αB, β simultaneouslyAAlso greater than or equal to βB, 3D TV just reduces the image depth of broadcasting automatically。The present embodiment adopts the mode of this two groups of data values multilevel iudge simultaneously, can be effectively reduced erroneous judgement rate, can further improve the viewing visual experience effect of user。
In the present embodiment, in order to realize automatically reducing currently playing image depth better, according to preset strategy, the depth of field value of image is divided into multiple grades。As depth of field value is in turn divided into 0,1,2,3 by the depth of field initial value of the depth of field value of 2D visual effect to 3D visual effect ... N level。Namely the depth of field value of 2D visual effect is 0 grade, and the depth of field initial value of 3D visual effect is N level。
In this step, automatically reduce the image depth play and specifically according to preset strategy, the depth of field of image can be reduced step by step by N level, until being reduced to 0 grade；Any one-level between 0 and N level can also be directly reduced to by N level according to preset strategy；0 grade can also be directly reduced to by N level, it is achieved 2D visual effect according to preset strategy。The present embodiment preferably adopts last a kind of mode to reduce image depth。
After step S104, reduction image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to described depth of field initial value。
In the present embodiment, after reducing image depth, when the brain wave data value received is less than described fatigue threshold, it is considered user and returns to normal condition to eliminate eyestrain, now can perform automatically to be gradually increased image depth at once, it is also possible to need to perform again to be automatically gradually increased image depth operation after the setting time according to user。Additionally the mode of the described image depth being automatically gradually increased broadcasting is: set the time (such as 3 seconds) by the depth of field value increase one-level of the image of broadcasting every one, until the depth of field value of the image play returns to described depth of field initial value。This mode being gradually increased image depth is primarily to and allows eyes of user have a process adapted to gradually。
In the present embodiment, in the image depth process being automatically gradually increased broadcasting, when the first brain wave data value received is more than or equal to described fatigue threshold, then stops increasing the image depth operation play, and automatically reduce the image depth of broadcasting。Wherein, the mode of the depth of field value increase one-level of currently playing image can be provided time enough to judge the size of brain wave data value and the corresponding fatigue threshold received by 3D TV every setting time (such as 3 seconds) by above-mentioned this employing。
The embodiment of the method that the image depth of above-mentioned 3D TV controls, by when the brain wave data value received is more than fatigue threshold, then automatically reducing the image depth play；After reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to the mode of described depth of field initial value, the visual fatigue alleviating user when watching 3D TV can be realized, improve user and watch the visual comfort of 3D television image。
Referring to Fig. 2, the present invention separately proposes a kind of 3D TV 100 1 embodiment, including: playing module 110, comparison module 120 and the depth of field control module 130。Described playing module 110, is used for receiving viewing instruction, plays television image according to this viewing instruction with the depth of field initial value that 3D rendering is corresponding, and searches the fatigue threshold of correspondence。Described comparison module 120, compares for the brain wave data value from 3D glasses being currently received is carried out size with described fatigue threshold。The described depth of field controls module, for when described brain wave data value is more than or equal to described fatigue threshold, then automatically reducing the image depth play；And after reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to described depth of field initial value。
In the present embodiment, user watches 3D TV to be needed to wear the 3D glasses mated with this 3D TV 100, and these 3D glasses have brain wave data and detect in real time and by the brain wave data value real-time Transmission that detects to the function of 3D TV。Namely once user wears these 3D glasses and opens described function, just detect the brain wave data of user in real time, and in real time the brain wave data value detected is transferred to 3D TV 100。
In the present embodiment, 3D TV 100 is preset with a fixing fatigue threshold when dispatching from the factory。Brain wave data value for transmitting with 3D eye 100 mirror compares, so that 3D TV 100 judges whether the depth of field value needing to reduce currently playing television image according to comparative result。And each user practical situation according to self can arrange the fatigue threshold of self correspondence before viewing 3D TV 100, and store to 3D TV 100, in order to follow-up use；Existing fatigue threshold can also be modified by each user before viewing 3D TV 100, the fatigue threshold obtaining self correspondence (should " existing fatigue threshold " can be factory pre-sets, can be that user is arranged according to own situation, it is also possible to be that the fatigue threshold to factory pre-sets is revised)。Therefore the described default fatigue threshold in step S101 can be factory pre-sets, can be user preset, the user that can also be corresponding revises user that arrange, that can also is that correspondence this starts to watch setting during 3D TV 100 image when starting to watch 3D TV 100 image before。Namely existing fatigue threshold can be modified when each user starts to watch 3D TV 100 image, it is also possible to do not revise。If not revising, using this existing fatigue threshold as fatigue threshold corresponding to this user。If revising, then using revised fatigue threshold as fatigue threshold corresponding to this user。
Referring to Fig. 3, described 3D TV 100 embodiment also includes: correcting module 140, for the fatigue threshold arranged in 3D TV 100 is modified。I.e. described correcting module 140, specifically for receiving the entry instruction of modification model, controls television image according to described entry instruction and plays entrance modification model；And in modification model process, receive revision directive, obtain the currently received brain wave data value from the described single 3D glasses worn according to revision directive；New fatigue threshold is calculated by this brain wave data value and the fatigue threshold preset, by the described new fatigue threshold fatigue threshold as described correspondence according to preset algorithm。
In the present embodiment, described television image is play and is entered in modification model process, 3D TV 100 under the control of correcting module 140, receive brain wave data value after unlike the size of relatively this brain wave data value with the corresponding fatigue threshold arranged in 3D TV 100。Only (now represent that user has been enter into fatigue state, it is necessary to reduce image depth) when receiving the revision directive of user's input, just obtain the brain wave data value being currently received。Wherein, the corresponding fatigue threshold that the brain wave data value that this is currently received is likely larger than, has arranged equal to or less than 3D TV。
In the present embodiment, described correcting module 140 is calculated new fatigue threshold by this brain wave data value with the corresponding fatigue threshold arranged in 3D TV 100 further according to preset algorithm after getting currently received brain wave data value, by the described new fatigue threshold fatigue threshold as described correspondence；And in the subsequent process of this viewing 3D TV, by described new fatigue threshold as the need of the criterion reducing image depth。
Wherein, described preset algorithm is: the corresponding fatigue threshold brain wave data value received when receiving revision directive arranged with 3D TV 100 is added, and then takes the meansigma methods after addition as new fatigue threshold。
Being found when people closes order in clear-headed peace and quiet by the research of brain wave, alpha rhythm occurs, E.E.G voltage amplitude is risen to 20～100 μ v by 5～20 μ V；Frequency of brain wave is down to 8～13HZ by 14～30HZ, and electric field energy increases, magnetic field energy reduces。When eyes are opened, alpha rhythm disappears, and beta response occurs, E.E.G voltage amplitude is down to 5～20 μ V by 20～100 μ V, and frequency of brain wave is risen to 14～30HZ by 8～13HZ, and magnetic field energy increases, electric field energy reduces。By eye process, people occurs that nictation, phenomenon showed that human eye has started to fatigue, therefore in certain time period, the occurrence number of alpha rhythm and the highest frequency of beta response can characterize the degree of fatigue of human eye。
In the present embodiment, above-mentioned brain wave data value includes: the highest frequency of the occurrence number of the alpha rhythm in brain wave and beta response in the setting time。In like manner above-mentioned fatigue threshold includes: may occur in which the number of times of alpha rhythm and the accessible highest frequency of beta response in the setting time in brain wave。
Below by way of an instantiation, in the present embodiment, relatively described brain wave data value and described fatigue threshold size are described in detail。If the brain wave data value from the described single 3D glasses worn being currently received includes: αA, βA；Described fatigue threshold includes: αB, βB；By α in comparison procedureAWith αBCarry out size to compare, simultaneously by βAWith βBCarry out size to compare。Work as αAMore than or equal to αB, β simultaneouslyAMore than or equal to βB, then described brain wave data value is considered more than or equal to described fatigue threshold。Namely α is worked asAMore than or equal to αB, β simultaneouslyAAlso greater than or equal to βB, 3D TV just reduces the image depth of broadcasting automatically。The present embodiment adopts the mode of this two groups of data values multilevel iudge simultaneously, can be effectively reduced erroneous judgement rate, can further improve the viewing visual experience effect of user。
Further, in above-described embodiment, the algorithm being modified the fatigue threshold arranged calculating is specific as follows: setting the occurrence number of the alpha rhythm set in the time in brain wave in the fatigue threshold arranged as α 1, the highest frequency of beta response is β 1；If the occurrence number of the alpha rhythm set in the time in brain wave in the brain wave data value received when receiving revision directive is as α 2, the highest frequency of beta response is β 2；Take the meansigma methods after addition as new fatigue threshold, obtain new fatigue threshold and include: (α 1+ α 2)/2, (β 1+ β 2)/2。
The present embodiment adopts this calculation, the numerical value corresponding to visual fatigue degree that the fatigue threshold of acquisition can bear closer to user。Avoid because revised fatigue threshold exceedes the visual fatigue degree that user can bear, make user's vision fatigue in watching process。Thus user's visual fatigue when watching 3D TV can really be alleviated, improve user and watch the visual comfort of 3D television image。
The present embodiment is provided the mode that fatigue threshold is modified, and the fatigue threshold that different user is corresponding can be the same or different, and namely can solve the problem that different users watches personal likes different during 3D TV and custom。
Further, in above-mentioned 3D TV 100 embodiment, in order to realize automatically reducing currently playing image depth better, according to preset strategy, the depth of field value of image is divided into multiple grades。As depth of field value is in turn divided into 0,1,2,3 by the depth of field initial value of the depth of field value of 2D visual effect to 3D visual effect ... N level。Namely the depth of field value of 2D visual effect is 0 grade, and the depth of field initial value of 3D visual effect is N level。The described depth of field controls module 130, is specifically additionally operable to automatically the depth of field value of the image of broadcasting is reduced to 0 grade, it is achieved 2D visual effect。Namely the depth of field value of image is directly reduced to 0 grade by N level according to preset strategy by described depth of field control module 130, it is achieved 2D visual effect。Certain described depth of field controls module 130 and can also preset strategy the depth of field of image be reduced step by step by N level, until being reduced to 0 grade；Any one-level between 0 and N level can also be directly reduced to by N level according to preset strategy。
Further, in above-mentioned 3D TV 100 embodiment, after reducing image depth, when the brain wave data value received is less than described fatigue threshold, it is considered user and returns to normal condition to eliminate eyestrain, now described depth of field control module 130 can perform automatically to be gradually increased image depth at once, it is also possible to needs to perform automatically to be gradually increased image depth operation after the setting time according to user again。Additionally in the present embodiment, the mode of the described image depth being automatically gradually increased broadcasting is: set the time (such as 3 seconds) by the depth of field value increase one-level of the image of broadcasting every one, until the depth of field value of the image play returns to described depth of field initial value。This mode being gradually increased image depth is primarily to and allows eyes of user have a process adapted to gradually。
Further, in above-mentioned 3D TV 100 embodiment, the described depth of field controls module 130, it is additionally operable to automatically be gradually increased the image depth process of broadcasting, when the brain wave data value received is more than or equal to described fatigue threshold, then stop increasing the image depth operation play, and perform automatically to reduce the operation of the image depth play。Wherein, the mode of the depth of field value increase one-level of the image of broadcasting can be provided time enough to judge the size of brain wave data value and the corresponding fatigue threshold received by 3D TV 100 every setting time (such as 3 seconds) by above-mentioned this employing。
Above-mentioned 3D TV 100 embodiment is by when the brain wave data value received is more than fatigue threshold, then automatically reducing the image depth play；After reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to the mode of described depth of field initial value, the visual fatigue alleviating user when watching 3D TV can be realized, improve user and watch the visual comfort of 3D television image。
Referring to Fig. 4, it is proposed to a kind of 3D glasses 200 1 embodiment of the present invention, including: detection module 210 and transport module 220。Wherein, described detection module 210, for detection user's brain wave data value in real time。Described transport module, for will the brain wave data value real-time Transmission that detect to 3D TV, make the comparative result of the corresponding fatigue threshold that 3D TV presets with self according to described brain wave data value, it is determined whether the image depth of adjustment broadcasting。Wherein, the 3D TV described in the present embodiment is the 3D TV 100 described in above-described embodiment, does not repeat them here。
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention。
Claims (6)
1. the method that the image depth of a 3D TV controls, it is characterised in that including:
Receive viewing instruction, play television image according to this viewing instruction with the depth of field initial value that 3D rendering is corresponding, and search the fatigue threshold of correspondence；
With described fatigue threshold, the brain wave data value from 3D glasses being currently received is carried out size compare；
When described brain wave data value is more than or equal to described fatigue threshold, then automatically reduce the image depth play；
After reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to described depth of field initial value；
Also include before the described fatigue threshold searching correspondence:
Receive the entry instruction of modification model, control television image according to described entry instruction and play entrance modification model；
Modification model process receives revision directive, obtains the currently received brain wave data value from described 3D glasses according to revision directive；
New fatigue threshold is calculated by this brain wave data value and the fatigue threshold preset, by the described new fatigue threshold fatigue threshold as described correspondence according to preset algorithm。
2. the method that the image depth of 3D TV according to claim 1 controls, it is characterised in that
Described default fatigue threshold includes: the occurrence number α 1, the highest frequency value β 1 of beta response of the alpha rhythm in brain wave in the setting time preset；
Described brain wave data value includes: receive the occurrence number α 2 of the alpha rhythm in brain wave in setting time during revision directive and the highest frequency value β 2 of beta response；
Described calculated new fatigue threshold particularly as follows: described brain wave data value be added with default fatigue threshold according to preset algorithm by this brain wave data value and the fatigue threshold preset, then take the meansigma methods after addition as new fatigue threshold, obtain new fatigue threshold and include: (α 1+ α 2)/2, (β 1+ β 2)/2。
3. the method that the image depth of the 3D TV according to any one of claim 1 to 2 controls, it is characterized in that, in the image depth process being automatically gradually increased broadcasting, when the brain wave data value received is more than or equal to the fatigue threshold of described correspondence, then stop increasing the image depth operation play, and perform automatically to reduce the operation of the image depth play。
4. a 3D TV, it is characterised in that including:
Playing module, is used for receiving viewing instruction, plays television image according to this viewing instruction with the depth of field initial value that 3D rendering is corresponding, and searches the fatigue threshold of correspondence；
Comparison module, compares for the brain wave data value from 3D glasses being currently received is carried out size with described fatigue threshold；
The depth of field controls module, for when described brain wave data value is more than or equal to described fatigue threshold, then automatically reducing the image depth play；And after reducing image depth, if the brain wave data value being currently received is less than described fatigue threshold, then automatically it is gradually increased the image depth of broadcasting, until image returns to described depth of field initial value；
Correcting module, for receiving the entry instruction of modification model, controls television image according to described entry instruction and plays entrance modification model；And in modification model process, receive revision directive, obtain the currently received brain wave data value from described 3D glasses according to revision directive；New fatigue threshold is calculated by this brain wave data value and the fatigue threshold preset, by the described new fatigue threshold fatigue threshold as described correspondence according to preset algorithm。
5. 3D TV according to claim 4, it is characterised in that
Described default fatigue threshold includes: the occurrence number α 1, the highest frequency value β 1 of beta response of the alpha rhythm in brain wave in the setting time preset；
Described brain wave data value includes: receive the occurrence number α 2 of the alpha rhythm in brain wave in setting time during revision directive and the highest frequency value β 2 of beta response；
Described new fatigue threshold includes: (α 1+ α 2)/2, (β 1+ β 2)/2。
6. the 3D TV according to any one of claim 4 to 5, it is characterised in that
The described depth of field controls module, it is additionally operable in the image depth process being automatically gradually increased broadcasting, when the brain wave data value received is more than or equal to the fatigue threshold of described correspondence, then stops increasing the image depth operation play, and perform automatically to reduce the operation of the image depth play。
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| CN104146701A (en) * | 2014-07-22 | 2014-11-19 | 南京航空航天大学 | Multi-mode 3D (three-dimensional) television health detecting system |
| KR102072788B1 (en) * | 2015-04-30 | 2020-03-12 | 삼성전자주식회사 | Portable apparatus and method for changing a screen of content |
| CN105163180A (en) | 2015-08-21 | 2015-12-16 | 小米科技有限责任公司 | Play control method, play control device and terminal |
| CN107168529A (en) * | 2017-04-26 | 2017-09-15 | 深圳市明德智慧教育科技有限公司 | The monitoring of User Status and regulation and control method and headset equipment |
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