CN113253846A - HID (human interface device) interactive system and method based on gaze deflection trend - Google Patents
HID (human interface device) interactive system and method based on gaze deflection trend Download PDFInfo
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- 230000002452 interceptive effect Effects 0.000 title claims description 18
- 230000004424 eye movement Effects 0.000 claims abstract description 56
- 230000003993 interaction Effects 0.000 claims abstract description 38
- 230000004044 response Effects 0.000 claims abstract description 38
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000012549 training Methods 0.000 claims description 47
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
Abstract
The invention provides an HID interaction method based on gaze deflection tendency. The method comprises the following steps: s101, setting a gaze deflection unresponsive region and a gaze deflection responsive region; s102, correcting and practicing the object to be measured, and collecting first eye movement deflection data generated in an eye movement deflection response area through an eye movement collection module; s103, collecting second eye movement deflection data generated in the eye movement deflection response area in the interaction process through an eye movement collecting module; s104, judging the deflection distance generated in the gaze deflection response area according to the first gaze deflection data and the second gaze deflection data through the processing module; s105, calculating the gaze deflection degree of the gaze deflection response area according to the first gaze deflection data and the second gaze deflection data through the processing module; and S106, controlling the speed of the three-dimensional display area gaze point according to the deflection distance. The HID interaction method based on the gaze deflection trend solves the problems of inaccurate monitoring and insufficient precision of a screen type eye tracker in the prior art.
Description
Technical Field
The invention relates to the technical field of eye movement tracking, in particular to an HID interactive system and method based on a gaze deflection trend.
Background
Data obtained by tracking human eye movements can be used as important reference data in the field of artificial intelligence or experimental analysis methods, and modern eye movement instruments can accurately record eye movement related data. According to the use scene classification of the eye tracker, the screen type eye tracker has more diversity for presenting the stimulation form and the eye tracking mode compared with the wearable eye tracker. However, the current screen type eye movement instrument relates to a human-computer interaction interface (HID), and conditions such as human body characteristics, sitting posture, distance of a detected object and light of a monitoring environment can affect the collection of eye movement data to different degrees.
The basic principle of the modern eye tracker can be basically divided into a current recording method eye tracker, an electromagnetic induction method eye tracker, an image/video recording eye tracker and a pupil-cornea reflection eye tracker, while the mainstream pupil-cornea reflection technology is the most mainstream technology at present, although the method can calculate the eye movement direction according to the angle between the cornea and the pupil reflected light, the monitoring is inaccurate due to the slight difference of the physiological structure of the monitored object and the instability of the environmental condition; the accuracy is not sufficient due to external conditions such as a position light source.
Disclosure of Invention
The invention aims to provide an HID interactive system and method based on a gaze deflection trend, and the HID interactive system based on the gaze deflection trend can solve the problems of inaccurate monitoring and insufficient precision of a screen type oculomograph in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
an HID interaction method based on gaze deflection tendency, the method specifically comprises:
s101, setting a gaze deflection unresponsive region and a gaze deflection responsive region in a three-dimensional display region;
s102, before the interaction starts, correcting and practicing the object to be measured, and collecting first eye movement deflection data generated in the eye movement deflection response area through an eye movement collection module;
s103, collecting second eye movement deflection data generated in the eye movement deflection response area in the interaction process through an eye movement collecting module;
s104, judging the deflection distance generated in the gaze deflection response area according to the first gaze deflection data and the second gaze deflection data through a processing module;
s105, calculating the gaze deflection degree of a gaze deflection response area according to the first gaze deflection data and the second gaze deflection data through a processing module;
and S106, controlling the speed of the fixation point of the three-dimensional display area according to the deflection distance and the gaze deflection degree.
On the basis of the technical scheme, the invention can be further improved as follows:
further, the step S102 of performing the calibration exercise on the object to be tested specifically includes step S1021, where the control module outputs a conventional reading training instruction, and the object to be tested performs the conventional reading training according to the conventional reading training instruction.
Further, the step S102 of performing the calibration exercise on the object to be tested specifically further includes step S1022, where a control module outputs a rapid intermittent gaze deflection training instruction, and the object to be tested performs the rapid intermittent gaze deflection training according to the rapid intermittent gaze deflection training instruction.
An HID interaction system based on gaze deflection tendency, comprising:
an interaction module comprising a three-dimensional display area comprising a gaze deflection unresponsive region and a gaze deflection responsive region;
the eye movement acquisition module is used for acquiring first eye light deflection data generated by a detection object in an eye light deflection response area before the interaction starts and second eye light deflection data generated in the eye light deflection response area in the interaction process, and outputting the first eye light deflection data and the second eye light deflection data;
the processing module is electrically connected with the eye movement acquisition module and used for judging the deflection distance generated in the eye deflection response area according to the first eye light deflection data and the second eye light deflection data and calculating the eye deflection degree of the eye deflection response area; and controlling the speed of the gaze point of the interactive module according to the deflection distance and the gaze deflection degree.
Further, the eye deflection unresponsive region is a region in which the vertical inclination angles are each 30 ° on the basis of the line of sight of the subject's eye.
Further, the gaze deflection unresponsive region is conical.
Further, the gaze deflection responsive area is an area of the three-dimensional display area other than the gaze deflection non-responsive area.
Further, the HID interactive system also comprises a control module, wherein the control module is used for outputting a conventional reading training instruction and a rapid discontinuous gaze deflection training instruction, and the object to be tested performs conventional reading training according to the conventional reading training instruction; and the measured object performs rapid discontinuous gaze deflection training according to the rapid discontinuous gaze deflection training instruction.
The invention has the following advantages:
according to the HID interaction method based on the gaze deflection trend, the accuracy of accurate eye movement tracking of data parameters is improved on the basis of the original screen type eye movement instrument technology, and the accuracy and the speed of an eye movement control interface are improved in the operation of a human-computer interaction interface; the problem of screen formula eye movement appearance monitoring among the prior art inaccurate and not enough with the precision is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an HID interactive system in an embodiment of the invention;
FIG. 2 is a flow chart of an HID interaction method in an embodiment of the invention;
fig. 3 is a detailed flowchart of S102 in the embodiment of the present invention.
The system comprises an interaction module 10, an eye movement acquisition module 20 and a processing module 30.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an HID interaction method based on gaze deflection tendency specifically includes:
s101, setting a gaze deflection unresponsive region and a gaze deflection responsive region;
in the step, a gaze deflection unresponsive region and a gaze deflection responsive region are set in a three-dimensional display region;
the eye deflection unresponsive area forms a 60-degree angle with the human eye of the object to be measured, and the plane is conical and circular in cross section. Eye deflection unresponsive region, that is, the eye deflection of human eyes in the region is not recorded in a responding way; the three-dimensional display area is divided into four areas, namely, an upper area, a lower area, a left area and a right area, except the gaze deflection unresponsive area, and the four areas are used as gaze deflection responsive areas, namely, gaze deflection occurring in the gaze deflection responsive areas is recorded.
S102, collecting first eye light deflection data before interaction begins;
in this step, before the interaction starts, the calibration exercise is performed on the object to be measured, and the eye movement acquisition module 20 acquires the first eye deflection data generated in the eye deflection response area;
before formal recording or interaction begins, a measured object carries out correction training in advance, the training is divided into conventional reading training and rapid discontinuous gaze deflection training, the conventional reading training is carried out according to normal continuous eye movement speed, namely, the eye movement is carried out slowly and continuously according to instructions; and (4) performing rapid discontinuous gaze deflection training, namely performing discontinuous eye movement and rapid jumping according to the indication.
S103, collecting second eye light deflection data in the interaction process;
in this step, the eye movement collecting module 20 collects the second eye light deflection data generated in the eye light deflection response area in the interactive process;
s104, the processing module judges the deflection distance in the gaze deflection response area;
in this step, the deflection distance generated in the gaze deflection response area is determined by the processing module 30 based on the first gaze deflection data and the second gaze deflection data; recording the training results of the conventional reading training and the rapid discontinuous gaze deflection training, recording data in the formal eye movement tracking process, comparing the data with the actual results, and judging the deflection distance generated in the gaze deflection response area.
S105, calculating the gaze deflection degree of the gaze deflection response area by the processing module;
in this step, the gaze deflection degree of the gaze deflection response region is calculated by the processing module 30 based on the first gaze deflection data and the second gaze deflection data;
s106, controlling the speed of the fixation point of the three-dimensional display area;
in this step, the speed of the fixation point of the three-dimensional display area is controlled according to the deflection distance and the eye deflection degree.
And calculating the gaze deflection degree in a gaze deflection response area, namely four areas, namely an upper area, a lower area, a left area and a right area outside the cone, according to the first gaze deflection data and the second gaze deflection data, and controlling the gaze point speed of the interactive interface according to the deflection distance, so as to realize a high-precision eye movement interactive mode.
The HID interaction method further monitors the eye deflection trend on the basis of the prior art; calculating the moving speed of the interface fixation point according to the deviation degree of the deflection trend; and a fixed area is preset, and the accuracy of eye movement tracking is further increased by comparing the first eye light deflection data and the second eye light deflection data with the preset area for exclusion.
The HID interaction method reduces the physiological condition requirement of the detected object and enlarges audience population; the method is not limited by the use environment, and high precision is realized, even pixel level operation is achieved.
On the basis of the technical scheme, the invention can be further improved as follows:
as shown in fig. 2, the practice of performing correction on the subject in S102 specifically includes S1021, a conventional reading training;
in the step, the control module outputs a conventional reading training instruction, and the object to be tested performs conventional reading training according to the conventional reading training instruction.
Further, the practice of correcting the subject in S102 specifically includes S1022 of performing rapid intermittent gaze deflection training;
in the step, a control module outputs a rapid discontinuous gaze deflection training instruction, and the measured object performs rapid discontinuous gaze deflection training according to the rapid discontinuous gaze deflection training instruction.
As shown in fig. 3, an HID interaction system based on gaze deflection tendency comprises:
an interaction module 10 including a three-dimensional display area including a gaze deflection unresponsive region and a gaze deflection responsive region;
an eye movement collecting module 20, configured to collect first eye movement deflection data generated in an eye movement deflection response area before the start of interaction and second eye movement deflection data generated in an eye movement deflection response area during the interaction, and output the first eye movement deflection data and the second eye movement deflection data;
a processing module 30, electrically connected to the eye movement collecting module 20, for determining a deflection distance generated in the eye deflection response area according to the first eye light deflection data and the second eye light deflection data, and calculating an eye deflection degree of the eye deflection response area; and controlling the speed of the gaze point of the interactive module 10 according to the deflection distance.
Further, the eye deflection unresponsive region is a region in which the vertical inclination angles are each 30 ° on the basis of the line of sight of the subject's eye.
Further, the gaze deflection unresponsive region is conical.
Further, the gaze deflection responsive area is an area of the three-dimensional display area other than the gaze deflection non-responsive area.
Further, the HID interactive system also comprises a control module, wherein the control module is used for outputting a conventional reading training instruction and a rapid discontinuous gaze deflection training instruction, and the object to be tested performs conventional reading training according to the conventional reading training instruction; and the measured object performs rapid discontinuous gaze deflection training according to the rapid discontinuous gaze deflection training instruction.
The HID interactive system based on the gaze deflection trend is used as follows:
when the three-dimensional display device is used, a gaze deflection non-response area and a gaze deflection response area are arranged in the three-dimensional display area; before the interaction begins, correcting and practicing the object to be measured, and acquiring first eye movement deflection data generated in the eye movement deflection response area through an eye movement acquisition module 20; acquiring second eye movement deflection data generated in the eye movement deflection response area in the interaction process through an eye movement acquisition module 20; determining, by the processing module 30, a deflection distance generated in the gaze deflection response area based on the first gaze deflection data and the second gaze deflection data; calculating, by the processing module 30, a gaze deflection degree of the gaze deflection response region based on the first gaze deflection data and the second gaze deflection data; and controlling the speed of the three-dimensional display area gaze point through the control module according to the deflection distance.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
One or more embodiments of the present description may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. One or more embodiments of the specification may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of this document and is not intended to limit this document. Various modifications and changes may occur to those skilled in the art from this document. Any modifications, equivalents, improvements, etc. which come within the spirit and principle of the disclosure are intended to be included within the scope of the claims of this document.
Claims (8)
1. An HID interaction method based on gaze deflection tendency is characterized by specifically comprising the following steps:
s101, setting a gaze deflection unresponsive region and a gaze deflection responsive region in a three-dimensional display region;
s102, before the interaction starts, correcting and practicing the object to be measured, and collecting first eye movement deflection data generated in the eye movement deflection response area through an eye movement collection module;
s103, collecting second eye movement deflection data generated in the eye movement deflection response area in the interaction process through an eye movement collecting module;
s104, judging the deflection distance generated in the gaze deflection response area according to the first gaze deflection data and the second gaze deflection data through a processing module;
s105, calculating the gaze deflection degree of a gaze deflection response area according to the first gaze deflection data and the second gaze deflection data through a processing module;
and S106, controlling the speed of the fixation point of the three-dimensional display area according to the deflection distance and the gaze deflection degree.
2. The HID interaction method based on the gaze deflection tendency as claimed in claim 1, wherein the performing of the calibration exercise on the object to be tested in S102 specifically comprises S1021, outputting a regular reading training instruction through the control module, and performing the regular reading training on the object to be tested according to the regular reading training instruction.
3. The HID interaction method based on gaze deflection tendency as claimed in claim 2, wherein the performing of the calibration exercise on the object to be tested in S102 further comprises S1022, outputting a fast intermittent gaze deflection training instruction through the control module, and performing fast intermittent gaze deflection training on the object to be tested according to the fast intermittent gaze deflection training instruction.
4. An HID interactive system based on gaze deflection tendency, comprising:
an interaction module comprising a three-dimensional display area comprising a gaze deflection unresponsive region and a gaze deflection responsive region;
the eye movement acquisition module is used for acquiring first eye light deflection data generated by a detection object in an eye light deflection response area before the interaction starts and second eye light deflection data generated in the eye light deflection response area in the interaction process, and outputting the first eye light deflection data and the second eye light deflection data;
the processing module is electrically connected with the eye movement acquisition module and used for judging the deflection distance generated in the eye deflection response area according to the first eye light deflection data and the second eye light deflection data and calculating the eye deflection degree of the eye deflection response area; and controlling the speed of the gaze point of the interactive module according to the deflection distance and the gaze deflection degree.
5. The HID interactive system based on gaze deflection tendency of claim 4, wherein the gaze deflection unresponsive regions are regions inclined by 30 ° each up and down on the basis of the line of sight of the eye of the subject.
6. The gaze deflection trend-based HID interaction system of claim 5, wherein the gaze deflection unresponsive region is conical.
7. The gaze deflection trend-based HID interaction system of claim 6, wherein the gaze deflection responsive zone is a zone of the three-dimensional display area other than the gaze deflection unresponsive zone.
8. The HID interactive system based on gaze deflection tendency according to claim 4, further comprising a control module, wherein the control module is used for outputting a conventional reading training instruction and a rapid discontinuous gaze deflection training instruction, and the object to be tested performs a conventional reading training according to the conventional reading training instruction; and the measured object performs rapid discontinuous gaze deflection training according to the rapid discontinuous gaze deflection training instruction.
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