CN105866950A - Data processing method and device - Google Patents
Data processing method and device Download PDFInfo
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- CN105866950A CN105866950A CN201610267018.7A CN201610267018A CN105866950A CN 105866950 A CN105866950 A CN 105866950A CN 201610267018 A CN201610267018 A CN 201610267018A CN 105866950 A CN105866950 A CN 105866950A
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- distance
- eyeglass
- parameter value
- focal length
- regulation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
- G06V40/171—Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
Abstract
The embodiment of the invention provides a data processing method and device. The method mainly comprises the steps that first distance detected by a distance sensor is acquired, wherein the first distance is the distance between an eyeglass and the preset part of a human face; second distance is estimated according to the first distance, wherein the second distance is the distance between the pupil and the eyeglass; the optical focal distance is automatically regulated according to the second distance to enable a user to be capable of seeing a clear image, wherein the optical focal distance is the focal distance corresponding to an optical system composed of the pupil, the eyeglass, a watching screen and a rendered virtual image. Compared with the prior art, the data processing method and device have the advantage that the efficiency of regulating the optical focal distance in VR equipment can be improved.
Description
Technical field
The present embodiments relate to Computer Applied Technology field, particularly relate to a kind of method that data process
And device.
Background technology
Along with socioeconomic development, computer has become as the important composition portion that people live indispensable
Point, and the man-machine interaction of close friend the most already becomes the problem that people are concerned about very much.From command interface in early days
Multimedia interface, up-to-date virtual reality is arrived again to graphic user interface.Man-machine interaction has developed
To a new field.
Virtual reality (Virtual Reality is called for short VR) is to utilize computer graphics system and various reality
The interface equipments such as control, provide in three-dimensional environment that generate on computers, can be mutual and immerse sensation
Technology.The realization of VR technology needs VR panoramic video, VR viewing equipment etc..The most conventional VR
Viewing equipment is head mounted display (Head-mounted Display is called for short HMD), is generally also referred to as
It is the VR helmet.
Optical mirror slip, optical mirror slip and pupil, viewing screen and wash with watercolours it is provided with in for the VR helmet being
The virtual image dyed constitutes an optical system.Therefore, virtual image needs when rendering to consider optical system
The setting of the optical focal length related in system, so that user is it can be seen that virtual image clearly.Again due to
Different people is when wearing the VR helmet of the same race because the difference of the features such as people's shape of face, can make optical mirror slip with
The distance between distance or pupil from viewing screen between pupil is different, it is therefore desirable to adjust light
Learn focal length, to meet the demand of different user.The mode of adjustment optical focal length commonly used in the prior art is:
Arrange a manual regulation optical mirror slip or viewing screen position knob, by regulation optical mirror slip or
Viewing screen position reach regulate optical focal length effect, and then make all of user it can be seen that
The virtual image rendered clearly.
For the mode of above-mentioned regulation optical focal length, owing to being manual regulation, it may be necessary to tune repeatedly
Joint just can reach image effect clearly, makes user operate the most inconvenient, regulation inefficient.
Summary of the invention
The embodiment of the present invention provides the method and device that a kind of data process, in order to solve existing VR equipment
The regulation inefficient problem of optical focal length.
The embodiment of the present invention provides a kind of method that data process, and described method includes:
Obtaining the first distance that range sensor detects, described first distance presets portion for eyeglass and face
The distance of position；
According to described first range estimation second distance, described second distance is between pupil and described eyeglass
Distance；
It is automatically adjusted optical focal length according to described second distance, so that user is it can be seen that image clearly,
Described optical focal length be pupil, described eyeglass, viewing screen and render virtual image composition light
The focal length that system is corresponding.
The embodiment of the present invention also provides for the device that a kind of data process, and described device includes:
Acquiring unit, for obtaining the first distance that range sensor detects, described first distance is mirror
Sheet and the distance of face predetermined patterns；
Evaluation unit, for according to described first range estimation second distance, described second distance is pupil
And the distance between described eyeglass；
Regulation unit, for being automatically adjusted optical focal length according to described second distance, so that user can see
To image clearly, described optical focal length is pupil, described eyeglass, viewing screen and the void rendered
Intend the focal length that the optical system of image composition is corresponding.
The method and device that the data that the embodiment of the present invention provides process, it is possible to first get Distance-sensing
The eyeglass that device detects and the distance of face predetermined patterns；Secondly, according to eyeglass and face predetermined patterns
Distance between range estimation pupil and eyeglass；It is automatically adjusted finally according to the distance between pupil and eyeglass
Optical focal length, this optical focal length is pupil, eyeglass, viewing screen and the virtual image composition rendered
Focal length corresponding to optical system.Compared with prior art, the embodiment of the present invention can pass through Distance-sensing
Device detects eyeglass in the distance of face predetermined patterns, thus estimates the distance between pupil and eyeglass,
And then automatically regulating optical focal length according to the distance between pupil and eyeglass, it is not necessary to user is manually operated
Regulate optical focal length, the most convenient, improve efficiency simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flow chart of the method that a kind of data that Fig. 1 provides for the embodiment of the present invention process；
The flow chart of the method that the another kind of data that Fig. 2 provides for the embodiment of the present invention process；
The flow chart of the method that another data that Fig. 3 provides for the embodiment of the present invention process；
The composition frame chart of the device that a kind of data that Fig. 4 provides for the embodiment of the present invention process；
The composition frame chart of the device that the another kind of data that Fig. 5 provides for the embodiment of the present invention process；
The entity structure schematic diagram of the device that a kind of data that Fig. 6 provides for the embodiment of the present invention process.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Embodiments provide a kind of method that data process, as it is shown in figure 1, the method includes:
101, the first distance that range sensor detects is obtained.
Range sensor in the present embodiment is that (Proximity Sensor is called for short Proximity Sensor
P-Sensor).P-Sensor is an active infrared sensor, and itself can launch infrared light beam,
After infrared light beam is blocked by object, infrared light beam can reflect, utilize reflection principle carry out away from
From detection.In the present embodiment, P-Sensor is used for detecting the distance of eyeglass and face predetermined patterns, should be away from
From the referred to as first distance.Wherein P-Sensor is positioned on VR equipment and the position around eyeglass, its
Middle eyeglass is the eyeglass in VR equipment.
It addition, certain position that face predetermined patterns is often referred to around eyes, such as eye socket etc..Due to people
The symmetry of face, the first distance usually some eyeglass and the distance of side face predetermined patterns.But
To consider to there may exist special circumstances, therefore can also detect respectively two eyeglasses in left and right respectively with left and right
The distance of two face predetermined patterns, obtains two the first distances, whether then compares two first distances
Equal, by equal and unequal be divided into two kinds of situations to be respectively processed.
102, according to the first range estimation second distance.
In the optical system that VR equipment comprises, the distance between pupil and eyeglass is to affect optical focal length
An one of principal element, but be not directly detected the distance of pupil and eyeglass.But can lead to
Cross around detection pupil distance between other position and eyeglass to estimate between pupil and eyeglass away from
From.This step is the eyeglass and face predetermined patterns detected by P-Sensor by above-mentioned steps 101
Distance estimate the distance between pupil and eyeglass, and the distance between pupil and eyeglass is referred to as second
Distance.The method of concrete estimation can be: obtains usual face predetermined patterns and pupil according to statistics
Between vertical range or obtain preset empirical value as the vertical range between face position and pupil,
Then carry out the first distance with above-mentioned vertical range being added or additive operation obtains second distance.This estimation
The theoretical foundation of method be that the distance between usual face predetermined patterns and pupil is relatively fixed.
Additionally for two kinds of detection modes of the first distance in step 101, corresponding second distance is also classified into
Two kinds of situations: the first is for obtaining a second distance, including only have detected first distance and
Have detected two first distances but equal situation；The second, for obtaining two second distances, i.e. detects
Two first distances but unequal situation.
103, it is automatically adjusted optical focal length according to second distance.
Optical focal length is affect virtual image that user rendered by the eyeglass viewing on VR equipment clear
Clear degree, owing to default optical focal length is to arrange according to the second distance preset, but is because different
Second distance corresponding to user may be different from default second distance, it is therefore desirable to considers optics
Focal length is adjusted, so that each user can see the virtual image rendered the most clearly as far as possible.
Optical focal length adjust mainly by corresponding to components different in optical system between
Relative distance is adjusted and reaches to adjust the effect of optical focal length.Optical system in the present embodiment be by
Pupil, eyeglass, viewing screen and the virtual image rendered form, and therefore just adjust optical focal length
Be by regulation pupil, eyeglass, viewing screen and four elements of virtual image of rendering two or
Relative distance between both are above realizes.
Additionally for obtaining the situation of two unequal second distances, when carrying out the adjustment of optical focal length,
The optical system being respectively directed to the right and left corresponding is needed to be adjusted respectively.
The method that the data that the embodiment of the present invention provides process, it is possible to first get range sensor detection
The eyeglass arrived and the distance of face predetermined patterns；Secondly, estimate according to the distance of eyeglass with face predetermined patterns
Calculate the distance between pupil and eyeglass；It is automatically adjusted optics burnt finally according to the distance between pupil and eyeglass
It is pupil, eyeglass, viewing screen and the optics of virtual image composition rendered away from, this optical focal length
The focal length that system is corresponding.Compared with prior art, the embodiment of the present invention can be examined by range sensor
Survey eyeglass is in the distance of face predetermined patterns, thus estimates the distance between pupil and eyeglass, Jin Eryi
Optical focal length is automatically regulated, it is not necessary to user is manually operated to be regulated according to the distance between pupil and eyeglass
Optical focal length, the most convenient, improve efficiency simultaneously.
Further, in order to the refinement of embodiment illustrated in fig. 1 and extension, the embodiment of the present invention provides another
A kind of method that data process, as shown in Figure 2.
201, the first distance that range sensor detects is obtained.
The implementation of this step is identical with the implementation of Fig. 1 step 101, and here is omitted.
202, according to the first range estimation second distance.
The implementation of this step is identical with the implementation of Fig. 1 step 102, and here is omitted.
203, second distance is converted to rendering parameter value.
Second distance is converted to rendering parameter value be in order to adjust by pupil, eyeglass, viewing screen and
The optical focal length corresponding to optical system of the virtual image composition rendered.Wherein rendering parameter refers to render
The position of the virtual image gone out or orientation.It is according to optical imagery that second distance is converted to rendering parameter value
Principle is converted to, according to the position of the virtual image that the adjustment that second distance is suitable renders, this position
Put and can be represented by the relative distance between eyeglass or viewing screen.
204, the rendering parameter value being converted to is allocated to virtual image.
The virtual image that will be allocated to render by the rendering parameter value being converted in step 203, makes
Carry out rendering of current virtual image according to rendering parameter value because this rendering parameter value be based on second away from
Obtaining from optical imaging concept, the virtual image therefore rendered can ensure that the definition of image
Requirement.
Further, before second distance is converted to rendering parameter value, can be by second distance with default
Second distance compare, if second distance with preset second distance in certain error range internal phase
Deng, do not carry out the transfer process of follow-up second distance, directly perform to render virtual image instruction.Its
In, the second distance that the faceform used when the second distance preset is to design according to VR equipment obtains,
And the second distance that the rendering parameter rendering virtual image also can be unified to be preset as with preset is corresponding
Value, therefore judge second distance and predeterminable range in error range equal time, can directly basis be in advance
If rendering parameter value corresponding to second distance carry out rendering of virtual image.
The present embodiment for Fig. 1 relates to two unequal second distances in the case of equally applicable.
Further, in order to the refinement of embodiment illustrated in fig. 1 and extension, the embodiment of the present invention provides another
A kind of method that data process, as shown in Figure 3.
301, the first distance that range sensor detects is obtained.
The implementation of this step is identical with the implementation of Fig. 1 step 101, and here is omitted.
302, according to the first range estimation second distance.
The implementation of this step is identical with the implementation of Fig. 1 step 102, and here is omitted.
303, second distance is converted to the relative distance of eyeglass and viewing screen.
Second distance is converted to eyeglass with viewing screen relative distance be in order to adjust by pupil, eyeglass,
Viewing screen and the optical focal length corresponding to optical system of virtual image composition rendered.By second away from
It is based on what optical imaging concept was converted to from being converted to the eyeglass relative distance with viewing screen.
304, it is automatically adjusted eyeglass and/or the position of viewing screen according to relative distance.
Using the relative distance of the eyeglass obtained by step 303 and viewing screen as regulation eyeglass and/or viewing
The regulated value of the position of screen.Specifically can set when regulation and only regulate eyeglass or only regulate viewing screen
Curtain or be both adjusted.Concrete regulative mode, therefore can be can band index glass for being automatically adjusted
On the parts that sheet or viewing screen move, detection position (such as position sensor etc.) is set, automatically adjusts
The electric devices such as joint position.
Further, before second distance is converted to eyeglass and the relative distance of viewing screen, can be by
Second distance is compared with the second distance preset, if second distance and default second distance are certain
In error range equal, do not carry out the conversion of follow-up second distance and eyeglass or viewing screen position
Adjustment, directly perform to render virtual image instruction, make user it can be seen that virtual image clearly.Its
In, the second distance that the faceform used when the second distance preset is to design according to VR equipment obtains,
And the rendering parameter rendering virtual image also can be unified to be preset as the value corresponding with presetting second distance,
Therefore judge second distance and default second distance in error range equal time, can directly according to
The rendering parameter value that default second distance is corresponding carries out rendering of virtual image.
In the case of in this example for Fig. 1 relates to two unequal second distances inapplicable, mainly examine
The movement considering eyeglass or screen is typically the movement that left and right is overall.
Further, the embodiment for Fig. 2 and Fig. 3 is supplemented, as follows:
By second distance and the corresponding rendering parameter value being converted to by second distance and eyeglass every time and
The relative distance of viewing screen sets up a map listing, and preserves, so that next time can direct root
According to second distance obtain from map listing correspondence rendering parameter value or relative distance, save by second away from
From carrying out the process changed, efficiency can be improved.In map listing, corresponding one of second distance
Rendering parameter value and a relative distance.Additionally can also be respectively second distance and corresponding rendering parameter,
Second distance and corresponding relative distance set up map listing, obtain two map listings and preserve.
Further, during for having built up map listing and preserving, corresponding is entering according to second distance
Before row optical focal length adjusts, also should include:
Search whether to comprise this second distance from map listing；If map listing comprises this second distance,
The most directly obtain the rendering parameter corresponding with this second distance, then proceed to the process of Fig. 2 step 204；
Or directly obtain the relative distance corresponding with this second distance, then proceed to the process of Fig. 3 step 304,
Finally make different users it can be seen that the virtual image that renders clearly.
Further, for Fig. 2 step 203,204 and Fig. 3 step 303, two kinds of regulations in 304
The mode of optical focal length, can select one of which respectively, can freely arrange in use, two kinds of tune
Gap may be there is in the definition of the image that joint mode regulates out for different users, therefore,
One of which better way can be selected.
Further, as to the realization of method shown in above-mentioned Fig. 1, Fig. 2 and Fig. 3, the present invention implements
Another embodiment of example additionally provides the device that a kind of data process, and as shown in Figure 4, this device includes:
Acquiring unit 41, evaluation unit 42 and regulation unit 43.
Acquiring unit 41, for obtaining the first distance that range sensor detects, the first distance is eyeglass
Distance with face predetermined patterns；
Evaluation unit 42, for according to the first range estimation second distance, second distance is pupil and eyeglass
Between distance；
Regulation unit 43, for being automatically adjusted optical focal length according to second distance so that user it can be seen that
Image clearly, optical focal length is pupil, eyeglass, viewing screen and the virtual image composition rendered
Focal length corresponding to optical system.
Further, as it is shown in figure 5, regulation unit 43, it is used for:
Optical focal length, wash with watercolours is regulated by the relative distance of regulation rendering parameter value or eyeglass and viewing screen
Dye parameter value is to render the parameter value that virtual image is relevant.
Further, as it is shown in figure 5, regulation unit 43, including:
First modular converter 431, for being converted to rendering parameter value by second distance；
Configuration module 432, for the rendering parameter value being converted to is allocated to virtual image, makes foundation
Rendering parameter value carries out rendering of virtual image.
Further, as it is shown in figure 5, regulation unit 43, including:
Second modular converter 433, for being converted to the relative distance of eyeglass and viewing screen by second distance；
Adjustment module 434, for being automatically adjusted eyeglass and/or the position of viewing screen according to relative distance.
Further, as it is shown in figure 5, device farther includes:
Set up unit 44, for setting up second distance and relative distance and the mapping of rendering parameter value respectively
List；
Storage unit 45, for preserving map listing.
Further, as it is shown in figure 5, regulation unit 43, including:
Search module 435, for searching whether to comprise second distance from map listing；
Acquisition module 436, if comprising second distance in map listing, the most directly obtains second distance
Corresponding rendering parameter value or relative distance, with carry out the regulation of the rendering parameter value of correspondence or eyeglass and/
Or the regulation of viewing screen position.
The device that the data that the embodiment of the present invention provides process, it is possible to first get range sensor detection
The eyeglass arrived and the distance of face predetermined patterns；Secondly, estimate according to the distance of eyeglass with face predetermined patterns
Calculate the distance between pupil and eyeglass；It is automatically adjusted optics burnt finally according to the distance between pupil and eyeglass
It is pupil, eyeglass, viewing screen and the optics of virtual image composition rendered away from, this optical focal length
The focal length that system is corresponding.Compared with prior art, the embodiment of the present invention can be examined by range sensor
Survey eyeglass is in the distance of face predetermined patterns, thus estimates the distance between pupil and eyeglass, Jin Eryi
Optical focal length is automatically regulated, it is not necessary to user is manually operated to be regulated according to the distance between pupil and eyeglass
Optical focal length, the most convenient, improve efficiency simultaneously.
It should be noted that for the device of above-mentioned Fig. 4 or Fig. 5, every embodiment of the present invention uses
The function of the unit module arrived can be passed through hardware processor (hardware processor) and come real
Existing.
Exemplary, as shown in Figure 6, Fig. 6 shows that a kind of data that the embodiment of the present invention provides process
The entity structure schematic diagram of device, this entity structure may include that processor (processor) 61, communication
Interface (Communications Interface) 62, memory (memory) 63 and bus 64, wherein, place
Reason device 61, communication interface 62, memory 63 complete mutual communication by bus 64.Communication interface
62 may be used for the information transmission between server and client.Processor 61 can call memory 63
In logical order, to perform following method: obtain the first distance of detecting of range sensor, described
First distance is the distance of eyeglass Yu face predetermined patterns；According to described first range estimation second distance,
Described second distance is the distance between pupil and described eyeglass；It is automatically adjusted light according to described second distance
Learn focal length so that user is it can be seen that image clearly, described optical focal length be pupil, described eyeglass,
Viewing screen and the focal length corresponding to optical system of virtual image composition rendered.
Additionally, the logical order in above-mentioned memory 63 can be realized by the form of SFU software functional unit
And during as independent production marketing or use, can be stored in a computer read/write memory medium.
Based on such understanding, the portion that prior art is contributed by technical scheme the most in other words
Dividing or the part of this technical scheme can embody with the form of software product, this computer software produces
Product are stored in a storage medium, including some instructions with so that a computer equipment (can be
Personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention
All or part of step.And aforesaid storage medium includes: USB flash disk, portable hard drive, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory),
The various medium that can store program code such as magnetic disc or CD.
Device embodiment described above is only schematically, wherein said illustrates as separating component
Unit can be or may not be physically separate, the parts shown as unit can be or
Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network
On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment
The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible
Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality
The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words
Dividing and can embody with the form of software product, this computer software product can be stored in computer can
Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one
Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. the method that data process, it is characterised in that described method includes:
Obtaining the first distance that range sensor detects, described first distance presets portion for eyeglass and face
The distance of position；
According to described first range estimation second distance, described second distance is between pupil and described eyeglass
Distance；
It is automatically adjusted optical focal length according to described second distance, so that user is it can be seen that image clearly,
Described optical focal length be pupil, described eyeglass, viewing screen and render virtual image composition light
The focal length that system is corresponding.
Method the most according to claim 1, it is characterised in that described according to described second distance from
Dynamic regulation optical focal length, including:
Optical focal length is regulated, institute by the relative distance of regulation rendering parameter value or eyeglass and viewing screen
State parameter value relevant when rendering parameter value is to render described virtual image.
Method the most according to claim 2, it is characterised in that described by regulation rendering parameter value
Regulate optical focal length, including:
Described second distance is converted to rendering parameter value；
The rendering parameter value being converted to is allocated to described virtual image, makes according to described rendering parameter value
Carry out rendering of virtual image.
Method the most according to claim 2, it is characterised in that described by regulation eyeglass and viewing
The relative distance of screen regulates optical focal length, including:
Described second distance is converted to the relative distance of described eyeglass and described viewing screen；
It is automatically adjusted described eyeglass and/or the position of described viewing screen according to described relative distance.
Method the most according to claim 2, it is characterised in that described method farther includes:
Set up the mapping row of described second distance and described relative distance and described rendering parameter value respectively
Table；Further,
Described map listing is preserved.
Method the most according to claim 5, it is characterised in that described according to described second distance from
Dynamic regulation optical focal length, including:
Search whether to comprise described second distance from described map listing；
If described map listing comprises described second distance, the most directly obtain described second distance corresponding
Rendering parameter value or relative distance, to carry out the regulation of rendering parameter value of correspondence or eyeglass and/or viewing
The regulation of screen position.
7. the device that data process, it is characterised in that described device includes:
Acquiring unit, for obtaining the first distance that range sensor detects, described first distance is mirror
Sheet and the distance of face predetermined patterns；
Evaluation unit, for according to described first range estimation second distance, described second distance is pupil
And the distance between described eyeglass；
Regulation unit, for being automatically adjusted optical focal length according to described second distance, so that user can see
To image clearly, described optical focal length is pupil, described eyeglass, viewing screen and the void rendered
Intend the focal length that the optical system of image composition is corresponding.
Device the most according to claim 7, it is characterised in that described regulation unit, is used for:
Optical focal length is regulated, institute by the relative distance of regulation rendering parameter value or eyeglass and viewing screen
State parameter value relevant when rendering parameter value is to render described virtual image.
Device the most according to claim 8, it is characterised in that described regulation unit, including:
First modular converter, for being converted to rendering parameter value by described second distance；
Configuration module, for the rendering parameter value being converted to is allocated to described virtual image, makes foundation
Described rendering parameter value carries out rendering of virtual image.
Device the most according to claim 8, it is characterised in that described regulation unit, including:
Second modular converter, for being converted to described eyeglass and described viewing screen by described second distance
Relative distance；
Adjustment module, for being automatically adjusted described eyeglass and/or described viewing screen according to described relative distance
Position.
11. devices according to claim 8, it is characterised in that described device farther includes:
Set up unit, for set up respectively described second distance and described relative distance and described in render ginseng
The map listing of numerical value；
Storage unit, for preserving described map listing.
12. devices according to claim 11, it is characterised in that described regulation unit, including:
Search module, for searching whether to comprise described second distance from described map listing；
Acquisition module, if comprising described second distance in described map listing, the most directly obtains described
Rendering parameter value that second distance is corresponding or relative distance, with carry out the rendering parameter value of correspondence regulation or
Person's eyeglass and/or the regulation of viewing screen position.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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