CN104898823B - The method and apparatus for controlling sighting target motion - Google Patents
The method and apparatus for controlling sighting target motion Download PDFInfo
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- CN104898823B CN104898823B CN201410075618.4A CN201410075618A CN104898823B CN 104898823 B CN104898823 B CN 104898823B CN 201410075618 A CN201410075618 A CN 201410075618A CN 104898823 B CN104898823 B CN 104898823B
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Abstract
The present invention discloses a kind of method and apparatus for controlling sighting target motion, is related to electronic device field.The present invention is by one side by setting LOS coordinate buffering area, equalization processing is carried out to the LOS coordinate in buffering area, then the motion of sighting target on the LOS coordinate control interactive interface after being handled according to equalization, on the other hand noise reduction process is carried out to the LOS coordinate before deposit buffering area, remove Outliers, these Outliers are often caused by trembling, drift, or caused by careless twitching of the eyelid, so that the data in buffering area can more reflect that the true operation of user is intended to, the motion of sighting target on interactive interface is controlled based on these more accurate data, so as to it be trembled during effectively reducing people's eye fixation, drift and the influence of system noise, move with making the more natural harmony of the sighting target on interactive interface, improve the naturality and concordance of man-machine interaction.
Description
Technical field
The present invention relates to electronic device field, more particularly to a kind of method and apparatus for controlling sighting target motion.
Background technology
As Eye Tracking Technique is gradually improved, Eye-controlling focus interaction technique is more and more as a kind of new interactive mode
Ground is used by each electronic product.The structural representation of sight line tracking system as shown in Figure 1, eye movement data collecting device
The LOS coordinate input interactive system of " eye tracker " by user on interactive interface, the interactive system is according to LOS coordinate in interaction
A sighting target is presented on interface, is used to refer to user's sight and falls the position on interactive interface, and interaction system is inputted according to eye tracker
The data control sighting target motion of the LOS coordinate of system.
Research finds, due to that can have drift during being look at caused by human eye's physiological structure, tremble and not
The phenomenon of careful twitching of the eyelid, and intrinsic accuracy error be present in eye tracker, and these LOS coordinates that can all cause to collect are present
A large amount of noises, directly using the motion of sighting target on original LOS coordinate control interactive interface, sighting target can be caused in interactive interface
In constantly shake, so as to influence the interactive experience of user.
The content of the invention
A technical problem to be solved of the embodiment of the present invention is：How to make sighting target on interactive interface more natural and
Move humorously.
One side according to embodiments of the present invention, there is provided a kind of control sighting target motion method, including：Obtain user
The corresponding LOS coordinate at different moments in interactive interface；LOS coordinate corresponding to each moment is stored in buffering area；To buffering area
Interior LOS coordinate carries out equalization processing；The fortune of sighting target on LOS coordinate control interactive interface after being handled according to equalization
It is dynamic.
In one embodiment, before by LOS coordinate deposit buffering area corresponding to each moment, this method also includes：Root
Noise reduction process is carried out to the LOS coordinate of acquisition according to default filter condition, the normal line of sight coordinate for meeting default filter condition is deposited
Enter buffering area, and abandon the abnormal LOS coordinate for not meeting default filter condition.
In one embodiment, carrying out noise reduction process to the LOS coordinate of acquisition according to default filter condition includes：Calculate
The standard deviation of each LOS coordinate in current buffer；Calculate each LOS coordinate in the LOS coordinate newly obtained and current buffer
The distance between average value；To the distance compared with the relevant information of the standard deviation；According to comparative result to LOS coordinate
Filtered.
In one embodiment, calculating the standard deviation of each LOS coordinate in current buffer includes：To in current buffer
The standard deviation of sight abscissa and the standard deviation of sight ordinate merge, and obtain regarding each LOS coordinate in current buffer
Standard deviation.
In one embodiment, equalization processing is carried out to the LOS coordinate in buffering area includes：By regarding in buffering area
The abscissa and ordinate of line coordinates are weighted the LOS coordinate after averagely, obtaining equalization processing respectively, wherein, from current
The weighted value of time nearer LOS coordinate is bigger.
In one embodiment, the weighted value of LOS coordinate at different moments can be set according to Gaussian Profile.
Another aspect according to embodiments of the present invention, there is provided a kind of control sighting target motion device, including：Sight is sat
Acquiring unit is marked, for obtaining user's corresponding LOS coordinate at different moments in interactive interface；Buffer unit, for will be each when
LOS coordinate corresponding to quarter is stored in buffering area；Equalization processing unit, for carrying out equalization to the LOS coordinate in buffering area
Processing；Sighting target control unit, the motion of sighting target on the LOS coordinate control interactive interface after being handled according to equalization.
In one embodiment, the device also includes：Noise reduction unit, for being stored in by LOS coordinate corresponding to each moment
Before buffering area, noise reduction process is carried out to the LOS coordinate of acquisition according to default filter condition, default filter condition will be met
Normal line of sight coordinate is stored in buffering area, and abandons the abnormal LOS coordinate for not meeting default filter condition.
In one embodiment, noise reduction unit includes：Standard deviation computation subunit, respectively regarded for calculating in current buffer
The standard deviation of line coordinates；Apart from computation subunit, sat for calculating each sight in the LOS coordinate newly obtained and current buffer
The distance between target average value；Comparing subunit, for the distance compared with the relevant information of the standard deviation；Filtering
Subelement, for being filtered according to comparative result to LOS coordinate.
In one embodiment, standard deviation computation subunit, it is specifically used for：To the mark of sight abscissa in current buffer
Quasi- difference and the standard deviation of sight ordinate merge, and obtain regarding the standard deviation of each LOS coordinate in current buffer.
In one embodiment, equalization processing unit, it is specifically used for：By the abscissa of the LOS coordinate in buffering area and
Ordinate is weighted the LOS coordinate after averagely, obtaining equalization processing respectively, wherein, the sight nearer from current time is sat
Target weighted value is bigger.
In one embodiment, the weighted value of LOS coordinate at different moments can be set according to Gaussian Profile.
The embodiment of the present invention at least has advantages below：
On the one hand, LOS coordinate buffering area is set, equalization processing is carried out to the LOS coordinate in buffering area, then basis
The motion of sighting target on LOS coordinate control interactive interface after equalization processing, relative to directly utilizing original LOS coordinate control
The motion of sighting target on interactive interface processed, it can effectively reduce and tremble during people's eye fixation, drift about and the influence of system noise, make
Move sighting target more natural harmony on interactive interface, improve the naturality and concordance of man-machine interaction.
Another further aspect, noise reduction process is carried out to the LOS coordinate before deposit buffering area, removes Outliers, these are extreme
Data often caused by tremble, drift about or careless twitching of the eyelid caused by so that the data in buffering area can more reflect that user's is true
Practical operation is made to be intended to, and controls the motion of sighting target on interactive interface based on these more accurate data, can effectively reduce human eye
Tremble, drift about and the influence of system noise during watching attentively, move with making the more natural harmony of the sighting target on interactive interface, improve
The naturality and concordance of man-machine interaction.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 shows the structural representation of sight line tracking system in the prior art.
Fig. 2 is the schematic flow sheet of method one embodiment of present invention control sighting target motion.
Fig. 3 is the schematic flow sheet of the method further embodiment of present invention control sighting target motion.
Fig. 4 is the schematic flow sheet of one concrete application of method of present invention control sighting target motion.
Fig. 5 is the sighting target movement locus that the present invention is handled by noise reduction and equalization and the sighting target movement locus of prior art
Contrast schematic diagram.
Fig. 6 is the structural representation of device one embodiment of present invention control sighting target motion.
Fig. 7 is the structural representation of the device further embodiment of present invention control sighting target motion.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
In Eye-controlling focus interaction technique, because human eye trembles, drifts about or careless twitching of the eyelid and system noise, cause to adopt
There are a large amount of noises in the raw eye coordinate collected, and directly utilize the fortune of sighting target on original LOS coordinate control interactive interface
It is dynamic, sighting target can be caused constantly to be shaken in interactive interface, influence the interactive experience of user.In order to solve this problem, the present invention
A kind of method for controlling sighting target motion is proposed, this method carries out the processing such as noise reduction, equalization to raw eye coordinate, then utilized
The motion of sighting target on LOS coordinate control interactive interface after processing, so as to tremble, drift about during effectively reducing people's eye fixation
And the influence of system noise, move with making the more natural harmony of the sighting target on interactive interface, improve man-machine interaction naturality and
Concordance.
Fig. 2 is the schematic flow sheet of method one embodiment of present invention control sighting target motion.
As shown in Fig. 2 the method for the present embodiment comprises the following steps：
Step S201, obtain user's corresponding LOS coordinate at different moments in interactive interface.
Wherein, eye tracker can gather the eye movement datas such as LOS coordinate, then that the data such as the LOS coordinate collected are defeated
The device for entering to control sighting target to move（Referred to as " control device "）, control device can obtain sight of the user in interactive interface and sit
Mark.Control device can also integrate the function of eye tracker, i.e., gathered by control device itself and obtain the dynamic number of the eyes such as LOS coordinate
According to.
A kind of exemplary LOS coordinate acquisition methods, eye-tracking technology can be utilized, is existed by edge detection method
Ocular is identified in facial image, and eyeball is oriented in ocular, is then oriented according in each two field picture
Eyeball establish eye motion track, can be corresponding with the predeterminated position in interactive interface by eye initial position, so
User's corresponding LOS coordinate at different moments in interactive interface is assured that out according to eye motion track afterwards.This area skill
Art personnel, which are appreciated that, to obtain LOS coordinate using other method, the specific method sheet for obtaining LOS coordinate
Invention does not limit.
Step S203, LOS coordinate corresponding to each moment is stored in buffering area.The capacity of buffering area generally has certain limit
System, in the present invention, the number N of the LOS coordinate that may store using buffering area represents the capacity of buffering area.
For example, the buffering area that a N is 5, is stored with p (n-5), p (n-4), p (n-3), p (n-2), p (n-1) altogether originally
5 LOS coordinates, p (n) are the LOS coordinates of currently buffering area to be stored in, and p (n-1) represents the sight of p (n) previous moment deposit
Coordinate.After p (n) is stored in into buffering area, the p (n-5) in buffering area end will be rejected, and buffering area still stores 5 sights
Coordinate, and be apart from current time newest 5 LOS coordinates.
Step S205, equalization processing is carried out to the LOS coordinate in buffering area.
Wherein, an exemplary method of equalization processing is carried out to the LOS coordinate in buffering area to be included：Will buffering
The abscissa and ordinate of LOS coordinate in area are weighted the LOS coordinate after averagely, obtaining equalization processing respectively, its
In, the weighted value of the LOS coordinate nearer from current time is bigger, so that can more accurately to show user current for result
Sight watches the situation of position attentively.In one embodiment, the weighted value of LOS coordinate at different moments can be according to Gauss point
Cloth is set, and the parameter of Gaussian Profile can be adjusted according to actual conditions.
Foregoing equalization processing method can be represented with equation below：
Wherein, M (n) is obtained LOS coordinate after equalization processing, and p (n-i) is i-th of LOS coordinate in buffering area, i
∈ [0, N-1], N be buffering area in LOS coordinate number, WiFor the weighted value of i-th of LOS coordinate.
It should be noted that because LOS coordinate is 2D signal, therefore equalization processing procedure is all by LOS coordinate
Middle abscissa x and ordinate y are weighted average treatment respectively.Formula represents as follows：
Wherein, Mx(n) it is the abscissa of the LOS coordinate obtained after equalization processing, px(n-i) it is i-th in buffering area
The abscissa of LOS coordinate, x can also be designated asi；My(n) it is the ordinate of the LOS coordinate obtained after equalization processing, py(n-
I) it is the ordinate of i-th of LOS coordinate in buffering area, y can also be designated asi。
Step S207, the LOS coordinate after being handled according to equalization control the motion of sighting target on interactive interface, will interacted
The position that sighting target is moved to where the LOS coordinate after equalization processing on interface.
Above-described embodiment, by setting LOS coordinate buffering area, equalization processing is carried out to the LOS coordinate in buffering area,
Then the motion of sighting target on the LOS coordinate control interactive interface after being handled according to equalization, relative to directly being regarded using original
The motion of sighting target on line coordinates control interactive interface, it can effectively reduce and tremble during people's eye fixation, drift about and system noise
Influence, move with making the more natural harmony of the sighting target on interactive interface, improve the naturality and concordance of man-machine interaction.
Fig. 3 is the schematic flow sheet of the method further embodiment of present invention control sighting target motion.
As shown in figure 3, the method for the present embodiment includes：After step S201, step S302 is performed, then performs step again
Rapid S203, step S205 and step S207.
Step S302, noise reduction process is carried out to the LOS coordinate of acquisition according to default filter condition, default filtering will be met
The normal line of sight coordinate deposit buffering area of condition, and abandon the abnormal LOS coordinate for not meeting default filter condition.
For this 2D signal of LOS coordinate, the embodiment of the present invention proposes that a kind of noise reduction process method includes：
Step A, calculates the standard deviation of each LOS coordinate in current buffer, and computational methods can for example include：To current
The standard deviation of sight abscissa and the standard deviation of sight ordinate merge in buffering area, obtain depending on respectively being regarded in current buffer
The standard deviation of line coordinates.Formula represents as follows：
Wherein, SD represents the standard deviation of LOS coordinate, and N represents the number of LOS coordinate in buffering area, xiRepresent buffering area
The abscissa of middle LOS coordinate p (n-i)（X-axis data）, yiRepresent the ordinate of LOS coordinate p (n-i) in buffering area（Y-axis number
According to）, μxFor the average value of the abscissa of all LOS coordinates in buffering area, μyFor the ordinate of all LOS coordinates in buffering area
Average value.
Step B, the distance between average value of each LOS coordinate in the LOS coordinate newly obtained and current buffer is calculated,
Referred to as " distance ", formula represent as follows：
Wherein, the abscissa and ordinate for the LOS coordinate that X and Y are respectively newly obtained, D represent distance.
Step C, to the distance compared with the relevant information of the standard deviation, wherein, can according to the needs of noise reduction precision
To provide to the distance compared with the several times of the standard deviation, for example, comparing 3 times of the distance and the standard deviation
Compared with, but lifted multiple is not limited to, it can also be 2 times, 5 times etc..
Step D, LOS coordinate is filtered according to comparative result, abandon the relevant information that distance is not less than the standard deviation
LOS coordinate, will distance be less than the standard deviation relevant information LOS coordinate deposit buffering area.
Above-described embodiment, noise reduction process is carried out to the LOS coordinate before deposit buffering area, removes Outliers, these poles
End data often caused by tremble, drift about or careless twitching of the eyelid caused by so that the data in buffering area can more reflect user's
True operation is intended to, and controls the motion of sighting target on interactive interface based on these more accurate data, can effectively reduce people
Tremble, drift about and the influence of system noise during eye fixation, move with making the more natural harmony of the sighting target on interactive interface, carry
The naturality and concordance of high man-machine interaction.
Fig. 4 is the schematic flow sheet of one concrete application of method of present invention control sighting target motion.As shown in figure 4, obtain
One LOS coordinate p, will " the distance between average value of each LOS coordinate in LOS coordinate p and current buffer " with it is " current
3 times of the standard deviation of each LOS coordinate in buffering area " are compared, if comparative result is not less than LOS coordinate p is different
Constant value（Outliers）, the true of LOS coordinate p and non-user watch intentions attentively, it is likely to which human eye trembles, drifts about or carelessly
, it is necessary to abandon caused by twitching of the eyelid, if comparative result is less than by LOS coordinate p deposit buffering areas.Assuming that buffering area has 6
LOS coordinate, the abscissa of this 6 LOS coordinates and ordinate are weighted averagely respectively, obtain regarding after equalization processing
Line coordinates（It is set to M）, the LOS coordinate M after being handled according to equalization controls the motion of sighting target on interactive interface, by interactive interface
The position that upper sighting target is moved to where the LOS coordinate M after equalization processing.
Fig. 5 is the sighting target movement locus that the present invention is handled by noise reduction and equalization（Shown in thick line）With regarding for prior art
Mark movement locus（Shown in fine rule）Contrast schematic diagram.As seen from Figure 5, the sighting target on interactive interface of the invention more from
So harmoniously move, and the sighting target on the interactive interface of prior art has many shake and mutation.
The embodiment of the present invention also provides a kind of device for controlling sighting target motion, and referred to as " control device ", the control device can
To be placed in the mobile terminals such as mobile phone, the control of the sighting target motion based on Eye-controlling focus interaction technique is realized.
Fig. 6 is the structural representation of device one embodiment of present invention control sighting target motion.As shown in fig. 6, this implementation
The control device of example includes：
LOS coordinate acquiring unit 601, for obtaining user's corresponding LOS coordinate at different moments in interactive interface；
Buffer unit 602, for LOS coordinate corresponding to each moment to be stored in into buffering area；
Equalization processing unit 603, for carrying out equalization processing to the LOS coordinate in buffering area；And
Sighting target control unit 604, the fortune of sighting target on the LOS coordinate control interactive interface after being handled according to equalization
It is dynamic.
In one embodiment, equalization processing unit 603, is specifically used for：By the horizontal seat of the LOS coordinate in buffering area
Mark and ordinate are weighted the LOS coordinate after averagely, obtaining equalization processing respectively, wherein, nearer from current time regards
The weighted value of line coordinates is bigger.
In one embodiment, the weighted value of LOS coordinate at different moments can be set according to Gaussian Profile.
Fig. 7 is the structural representation of the device further embodiment of present invention control sighting target motion.As shown in fig. 7, this reality
Applying the control device of example also includes：
Noise reduction unit 705, for by corresponding to each moment LOS coordinate deposit buffering area before, according to default filtering rod
Part carries out noise reduction process to the LOS coordinate of acquisition, and the normal line of sight coordinate for meeting default filter condition is stored in into buffering area, and
Abandon the abnormal LOS coordinate for not meeting default filter condition.
In one embodiment, noise reduction unit 705 includes：Standard deviation computation subunit 7051, for calculating Current buffer
The standard deviation of each LOS coordinate in area；Apart from computation subunit 7052, for calculating the LOS coordinate newly obtained and Current buffer
The distance between average value of each LOS coordinate in area；Comparing subunit 7053, for related to the standard deviation to the distance
Information is compared, and according to the needs of noise reduction precision, can specify that to the distance compared with the several times of the standard deviation；Cross
Filter unit 7054, for being filtered according to comparative result to LOS coordinate, abandon the correlation that distance is not less than the standard deviation
The LOS coordinate of information, the LOS coordinate that distance is less than to the relevant information of the standard deviation are stored in buffering area.
In one embodiment, standard deviation computation subunit 7051, specifically can be used for：It is horizontal to sight in current buffer
The standard deviation of coordinate and the standard deviation of sight ordinate merge, and obtain regarding the standard of each LOS coordinate in current buffer
Difference.
It should be noted that circular or formula involved in the device of control sighting target motion may be referred to control
Description in the method for sighting target motion processed, is repeated no more here.
In addition, the method as another control sighting target motion, user can also be obtained in interactive interface at different moments
Corresponding LOS coordinate, noise reduction process is then carried out to the LOS coordinate of acquisition according to default filter condition（The specific side of noise reduction
Method may be referred to foregoing）, sighting target on interactive interface is then controlled according to the normal line of sight coordinate for meeting default filter condition
Motion.This method trembles during can also reducing people's eye fixation to a certain extent, drifts about and the influence of system noise, makes friendship
Sighting target on mutual interface moves with comparing natural harmony, improves the naturality and concordance of man-machine interaction.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of method for controlling sighting target motion, including：
Obtain user's corresponding LOS coordinate at different moments in interactive interface；
Noise reduction process is carried out to the LOS coordinate of acquisition according to default filter condition, including：Calculate each sight in current buffer
The standard deviation of coordinate；Calculate the distance between average value of each LOS coordinate in the LOS coordinate newly obtained and current buffer；
To the distance compared with the relevant information of the standard deviation；LOS coordinate is filtered according to comparative result；
The normal line of sight coordinate for meeting default filter condition is stored in buffering area, and abandons the exception for not meeting default filter condition
LOS coordinate；
Equalization processing is carried out to the LOS coordinate in buffering area；
The motion of sighting target on LOS coordinate control interactive interface after being handled according to equalization.
2. according to the method for claim 1, it is characterised in that the standard for calculating each LOS coordinate in current buffer
Difference includes：
The standard deviation of sight abscissa in current buffer and the standard deviation of sight ordinate are merged, obtain regarding current delay
Rush the standard deviation of each LOS coordinate in area.
3. according to the method for claim 1, it is characterised in that the LOS coordinate in buffering area is carried out at equalization
Reason includes：
The abscissa of LOS coordinate in buffering area and ordinate are weighted averagely respectively, obtain regarding after equalization processing
Line coordinates, wherein, the weighted value of the LOS coordinate nearer from current time is bigger.
4. according to the method for claim 3, it is characterised in that the weighted value of LOS coordinate at different moments is according to Gauss point
Cloth is set.
5. a kind of device for controlling sighting target motion, including：
LOS coordinate acquiring unit, for obtaining user's corresponding LOS coordinate at different moments in interactive interface；
Noise reduction unit, for carrying out noise reduction process to the LOS coordinate of acquisition according to default filter condition；
Buffer unit, for will meet default filter condition normal line of sight coordinate be stored in buffering area, and abandon do not meet it is default
The abnormal LOS coordinate of filter condition；
Equalization processing unit, for carrying out equalization processing to the LOS coordinate in buffering area；
Sighting target control unit, the motion of sighting target on the LOS coordinate control interactive interface after being handled according to equalization；
Wherein, the noise reduction unit includes：
Standard deviation computation subunit, for calculating the standard deviation of each LOS coordinate in current buffer；
Apart from computation subunit, for calculate each LOS coordinate in the LOS coordinate newly obtained and current buffer average value it
Between distance；
Comparing subunit, for the distance compared with the relevant information of the standard deviation；And
Subelement is filtered, for being filtered according to comparative result to LOS coordinate.
6. device according to claim 5, it is characterised in that the standard deviation computation subunit, be specifically used for：To current
The standard deviation of sight abscissa and the standard deviation of sight ordinate merge in buffering area, obtain depending on respectively being regarded in current buffer
The standard deviation of line coordinates.
7. device according to claim 5, it is characterised in that the equalization processing unit, be specifically used for：By buffering area
The abscissa and ordinate of interior LOS coordinate are weighted the LOS coordinate after averagely, obtaining equalization processing respectively, wherein,
The weighted value of the LOS coordinate nearer from current time is bigger.
8. device according to claim 7, it is characterised in that the weighted value of LOS coordinate at different moments is according to Gauss point
Cloth is set.
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| CN109199412B (en) * | 2018-09-28 | 2021-11-09 | 南京工程学院 | Abnormal emotion recognition method based on eye movement data analysis |
| CN110648369B (en) * | 2019-09-23 | 2022-07-19 | 京东方科技集团股份有限公司 | Calibration method and device for sight line calculation model parameters |
| CN111568367B (en) * | 2020-05-14 | 2023-07-21 | 中国民航大学 | Method for identifying and quantifying eye jump invasion |
| CN113662822B (en) * | 2021-07-29 | 2023-09-12 | 广州视景医疗软件有限公司 | Optotype adjusting method based on eye movement, visual training method and visual training device |
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