CN103325358B - The control method of terminal and display effect of terminal - Google Patents
The control method of terminal and display effect of terminal Download PDFInfo
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- CN103325358B CN103325358B CN201210080098.7A CN201210080098A CN103325358B CN 103325358 B CN103325358 B CN 103325358B CN 201210080098 A CN201210080098 A CN 201210080098A CN 103325358 B CN103325358 B CN 103325358B
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Abstract
The invention provides a kind of terminal, comprising: image acquisition units, for gathering the image of user's eye; Graphics processing unit, processes for the described image gathered described image acquisition units, to obtain the pupil size of described user; Indicative control unit, according to described pupil size, controls accordingly to the display effect of terminal.Correspondingly, the invention allows for a kind of control method of display effect of terminal.By technical scheme of the present invention, can change according to the pupil of user, the display effect of terminal is regulated, to make user obtain better view result, reduce the injury to user's eye as far as possible.
Description
Technical field
The present invention relates to terminal demonstration technical field, in particular to the control method of a kind of terminal and a kind of display effect of terminal.
Background technology
The size of pupil can control the light quantity entering intraocular, by the adjustment of pupil, remains that appropriate light enters eyes, makes subject image on the retina both clear, and don't has excessive light and to burn retina.In iris, there is the muscle of two kinds tiny (sphincter pupillae and the dilator muscle of pupil) mutually to coordinate the expansion of pupil and reduce (except pupil regulates, amphiblestroid different photosensory cell also works under different brightness case).The same with most vertebrate, the pupil of the mankind expands or reduces is be all circular.The variable diameter of common people's pupil moves between 1.5-8.0mm, extremely shrink and expansion when can be less than 1mm and be greater than 9mm, under even in everyday situations between 2.5mm-5mm and both sides etc. are large.
Because the light intensity of environment, physical comfort degree and mood residing for pupil change and observer have contact closely, can the valuable information of monitoring observation person pupil change detection be passed through.Conventional images Processing Algorithm can determine direction of gaze, but the change of user's pupil size cannot be determined, because the Distance geometry direction of eyes and imaging system all can affect the final imaging of pupil, medically need the position of fixing observed person to observe pupil change.Consider user habit and environment, the Distance geometry direction of user when observing mobile phone terminal, panel computer and other electronic equipments all can change at any time, and these technology existing all cannot meet the demand of monitoring pupil change.In addition, these technology existing all need annex light source and imaging device, increase extra cost and be not suitable for being applied in mobile phone terminal and this kind equipment of panel computer, and additional source of light also can deepen the degree of fatigue of eyes for a long time to the irradiation of eyes.By determining that direction of gaze can replace traditional input mode such as mouse-keyboard or touch as input in some applications, reading experience and the Consumer's Experience of user cannot be reflected.
Therefore, need a kind of control technology of new display effect of terminal, can change according to the pupil of user, the display effect of terminal is regulated, to make user obtain better view result, reduce the injury to user's eye as far as possible.
Summary of the invention
The present invention is just based on above-mentioned topic, propose a kind of control technology of new display effect of terminal, can change according to the pupil of user, the display effect of terminal is regulated, to make user obtain better view result, reduce the injury to user's eye as far as possible.
In view of this, the present invention proposes a kind of terminal, comprising: image acquisition units, for gathering the image of user's eye; Graphics processing unit, processes for the described image gathered described image acquisition units, to obtain the pupil size of described user; Indicative control unit, according to described pupil size, controls accordingly to the display effect of terminal.
In this technical scheme, when extraneous light is crossed by force or is crossed weak, the change of user's pupil is caused in capital, and such as when light is crossed strong, pupil can reduce, when light is crossed strong, pupil can amplify, therefore, and can by the pupil size current to user, the display effect of terminal is changed, obtains to make user best consulting conditions and environment in the processes such as reading, video calling.Here display effect comprises the brightness, color, font size etc. of screen, all can select rightly and set.
In technique scheme, preferably, described display effect comprises: the displaying ratio of the brightness of the screen of described terminal, contrast, sharpness, colour temperature, background colour and/or present displayed content; And described indicative control unit specifically comprises the process that described display effect controls: according to described pupil size, at least one item in described display effect is regulated.In this technical scheme, often kind of display effect at least one adjustment numerical value all corresponding, then by the adjustment to this numerical values recited, can regulate display effect.
In technique scheme, preferably, described graphics processing unit specifically comprises: graphical analysis subelement, analyzes described image, tells the pupil in described image and iris profile; Data acquisition subelement, according to the analysis result of described graphical analysis subelement, obtains pupil diameter d1 and the iris outline diameter d2 of described user; Data processing subelement, determines described pupil size β=pupil diameter d1/ iris outline diameter d2.
In this technical scheme, because no matter how pupil changes, the size of the iris profile outside it changes hardly, therefore, and can using the business of pupil diameter and iris outline diameter as the parameter judging pupil size.For the image of user's eye that terminal collects, a lot of means can be utilized to distinguish the part such as pupil, iris profile wherein, after such as image being carried out gray proces, the gray scale that each several part is corresponding is all different, thus may be used for distinguishing different parts, and obtain corresponding data further, such as pupil diameter, iris outline diameter etc.
In technique scheme, preferably, described indicative control unit specifically comprises: scope judgment sub-unit, judges the pupil numerical range residing for described pupil size; Graphics Processing subelement, selects the display effect corresponding to the described pupil numerical range that described scope judgment sub-unit is judged, arranges described terminal.In this technical scheme, pupil has normal magnitude range, and each data is all corresponding to a best display effect of terminal, such as the adjustment of brightness, color etc., therefore, can store correspondingly the numerical value of pupil size or regulating parameter corresponding to the numerical range display effect different from terminal in advance, and when the real-time size of pupil being detected, obtain corresponding regulating parameter, and utilize the display effect of this regulating parameter to terminal to arrange.
In technique scheme, preferably, also comprise: timing unit, when described pupil size is changed to the second pupil numerical range from the first pupil numerical range, records described pupil size and be in time in described second pupil numerical range; And described indicative control unit also for: when the described time is greater than default time threshold, utilizes and correspond to the display effect of described second pupil numerical range described terminal is arranged, otherwise described terminal is not changed.In this technical scheme, the eye change of user is many, and the actions such as nictation may cause the change in the pupil size generation short time, thus cause erroneous judgement, if change the display effect of terminal at once, then may cause bad experience effect to user.Therefore, after pupil size change, when terminal needs the change carrying out display effect, the long enough if this change is held time, then not think it is erroneous judgement, and user needs the adjustment carrying out display effect, then change disappearing effect, otherwise do not change.
In technique scheme, preferably, also comprise: setting unit, pre-set display effect described at least one pupil numerical range and corresponding at least one.In this technical scheme, the change numerical value of pupil, the display effect of terminal are divided into more value region all as much as possible, be conducive to critically regulating the display effect of terminal, but for the analysis ability of terminal, algorithm to arrange etc. then require higher, therefore, corresponding fine degree can be selected according to actual needs.For concrete setting value, can carry out factory setting by manufacturer, user directly uses; By the grade of the fixed multiple fine degree of factory default, suitable grade can be selected as required by user; Sets itself can be carried out as required by user.
According to another aspect of the invention, also proposed a kind of control method of display effect of terminal, comprising: step 202, gather the image of user's eye, to obtain the pupil size of described user; Step 204, according to described pupil size, controls accordingly to the display effect of terminal.
In this technical scheme, when extraneous light is crossed by force or is crossed weak, the change of user's pupil is caused in capital, and such as when light is crossed strong, pupil can reduce, when light is crossed strong, pupil can amplify, therefore, and can by the pupil size current to user, the display effect of terminal is changed, obtains to make user best consulting conditions and environment in the processes such as reading, video calling.Here display effect comprises the brightness, color, font size etc. of screen, all can select rightly and set.
In technique scheme, preferably, described display effect comprises: the displaying ratio of the brightness of the screen of described terminal, contrast, sharpness, colour temperature, background colour and/or present displayed content; And in described step 204, the process that described display effect controls specifically is comprised: according to described pupil size, at least one item in described display effect is regulated.In this technical scheme, often kind of display effect at least one adjustment numerical value all corresponding, then by the adjustment to this numerical values recited, can regulate display effect.
In technique scheme, preferably, described step 202 specifically comprises: analyze described image, obtains pupil diameter d1 and the iris outline diameter d2 of described user; Determine described pupil size β=pupil diameter d1/ iris outline diameter d2.
In this technical scheme, because no matter how pupil changes, the size of the iris profile outside it changes hardly, therefore, and can using the business of pupil diameter and iris outline diameter as the parameter judging pupil size.For the image of user's eye that terminal collects, a lot of means can be utilized to distinguish the part such as pupil, iris profile wherein, after such as image being carried out gray proces, the gray scale that each several part is corresponding is all different, thus may be used for distinguishing different parts, and obtain corresponding data further, such as pupil diameter, iris outline diameter etc.
In technique scheme, preferably, described step 204 specifically comprises: judge the pupil numerical range residing for described pupil size, and selects corresponding display effect to arrange described terminal.In this technical scheme, pupil has normal magnitude range, and each data is all corresponding to a best display effect of terminal, such as the adjustment of brightness, color etc., therefore, can store correspondingly the numerical value of pupil size or regulating parameter corresponding to the numerical range display effect different from terminal in advance, and when the real-time size of pupil being detected, obtain corresponding regulating parameter, and utilize the display effect of this regulating parameter to terminal to arrange.
In technique scheme, preferably, described step 204 also comprises: when described pupil size is changed to the second pupil numerical range from the first pupil numerical range, records described pupil size and is in time in described second pupil numerical range; If the described time is greater than default time threshold, then utilizes the display effect corresponding to described second pupil numerical range to arrange described terminal, otherwise described terminal is not changed.In this technical scheme, the eye change of user is many, and the actions such as nictation may cause the change in the pupil size generation short time, thus cause erroneous judgement, if change the display effect of terminal at once, then may cause bad experience effect to user.Therefore, after pupil size change, when terminal needs the change carrying out display effect, the long enough if this change is held time, then not think it is erroneous judgement, and user needs the adjustment carrying out display effect, then change disappearing effect, otherwise do not change.
In technique scheme, preferably, before described step 202, also comprise: pre-set display effect described at least one pupil numerical range and corresponding at least one.In this technical scheme, the change numerical value of pupil, the display effect of terminal are divided into more value region all as much as possible, be conducive to critically regulating the display effect of terminal, but for the analysis ability of terminal, algorithm to arrange etc. then require higher, therefore, corresponding fine degree can be selected according to actual needs.For concrete setting value, can carry out factory setting by manufacturer, user directly uses; By the grade of the fixed multiple fine degree of factory default, suitable grade can be selected as required by user; Sets itself can be carried out as required by user.
By above technical scheme, can change according to the pupil of user, the display effect of terminal is regulated, to make user obtain better view result, reduce the injury to user's eye as far as possible.
Accompanying drawing explanation
Fig. 1 shows the block diagram of terminal according to an embodiment of the invention;
Fig. 2 shows the process flow diagram of the control method of display effect of terminal according to an embodiment of the invention;
Fig. 3 shows the schematic diagram of user's eye according to an embodiment of the invention;
Fig. 4 A to Fig. 4 B shows the schematic diagram obtaining user's pupil size according to an embodiment of the invention;
Fig. 5 shows the particular flow sheet adjusting display effect of terminal according to an embodiment of the invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from other modes described here and implement, and therefore, the present invention is not limited to the restriction of following public specific embodiment.
Fig. 1 shows the block diagram of terminal according to an embodiment of the invention.
As shown in Figure 1, terminal 100 according to an embodiment of the invention, comprising: image acquisition units 102, for gathering the image of user's eye; Graphics processing unit 104, processes for the image gathered image acquisition units 102, to obtain the pupil size of user; Indicative control unit 106, according to pupil size, controls accordingly to the display effect of terminal 100.
In this technical scheme, when extraneous light is crossed by force or is crossed weak, the change of user's pupil is caused in capital, and such as when light is crossed strong, pupil can reduce, when light is crossed strong, pupil can amplify, therefore, and can by the pupil size current to user, the display effect of terminal is changed, obtains to make user best consulting conditions and environment in the processes such as reading, video calling.Here display effect comprises the brightness, color, font size etc. of screen, all can select rightly and set.
In technique scheme, display effect comprises: the displaying ratio of the brightness of the screen of terminal 100, contrast, sharpness, colour temperature, background colour and/or present displayed content; And the process that indicative control unit 106 pairs of display effects control specifically comprises: according to pupil size, regulate at least one item in display effect.In this technical scheme, often kind of display effect at least one adjustment numerical value all corresponding, then by the adjustment to this numerical values recited, can regulate display effect.
In technique scheme, graphics processing unit 104 specifically comprises: graphical analysis subelement 1040, analyzes image, tells the pupil in image and iris profile; Data acquisition subelement 1042, according to the analysis result of graphical analysis subelement 1040, obtains pupil diameter d1 and the iris outline diameter d2 of user; Data processing subelement 1044, determines pupil size β=pupil diameter d1/ iris outline diameter d2.
In this technical scheme, because no matter how pupil changes, the size of the iris profile outside it changes hardly, therefore, and can using the business of pupil diameter and iris outline diameter as the parameter judging pupil size.For the image of user's eye that terminal collects, a lot of means can be utilized to distinguish the part such as pupil, iris profile wherein, after such as image being carried out gray proces, the gray scale that each several part is corresponding is all different, thus may be used for distinguishing different parts, and obtain corresponding data further, such as pupil diameter, iris outline diameter etc.
In technique scheme, indicative control unit 106 specifically comprises: scope judgment sub-unit 1060, judges the pupil numerical range residing for pupil size; Graphics Processing subelement 1062, selects the display effect corresponding to the pupil numerical range that scope judgment sub-unit 1060 is judged, arranges terminal 100.In this technical scheme, pupil has normal magnitude range, and each data is all corresponding to a best display effect of terminal, such as the adjustment of brightness, color etc., therefore, can store correspondingly the numerical value of pupil size or regulating parameter corresponding to the numerical range display effect different from terminal in advance, and when the real-time size of pupil being detected, obtain corresponding regulating parameter, and utilize the display effect of this regulating parameter to terminal to arrange.
In technique scheme, also comprise: timing unit 108, when pupil size is changed to the second pupil numerical range from the first pupil numerical range, record pupil size is in the time in the second pupil numerical range; And indicative control unit 106 also for: when the time is greater than default time threshold, utilizes and correspond to the display effect of the second pupil numerical range terminal 100 is arranged, otherwise terminal 100 is not changed.In this technical scheme, the eye change of user is many, and the actions such as nictation may cause the change in the pupil size generation short time, thus cause erroneous judgement, if change the display effect of terminal 100 at once, then may cause bad experience effect to user.Therefore, after pupil size change, when terminal 100 needs the change carrying out display effect, the long enough if this change is held time, then not think it is erroneous judgement, and user needs the adjustment carrying out display effect, then change disappearing effect, otherwise do not change.
In technique scheme, also comprise: setting unit 110, pre-set at least one pupil numerical range and corresponding at least one display effect.In this technical scheme, the change numerical value of pupil, the display effect of terminal 100 are divided into more value region all as much as possible, be conducive to critically regulating the display effect of terminal 100, but for the analysis ability of terminal 100, algorithm to arrange etc. then require higher, therefore, corresponding fine degree can be selected according to actual needs.For concrete setting value, can carry out factory setting by manufacturer, user directly uses; By the grade of the fixed multiple fine degree of factory default, suitable grade can be selected as required by user; Sets itself can be carried out as required by user.
Fig. 2 shows the process flow diagram of the control method of display effect of terminal according to an embodiment of the invention.
As shown in Figure 2, the control method of display effect of terminal, comprising: step 202 according to an embodiment of the invention, gathers the image of user's eye, to obtain the pupil size of user; Step 204, according to pupil size, controls accordingly to the display effect of terminal.
In this technical scheme, when extraneous light is crossed by force or is crossed weak, the change of user's pupil is caused in capital, and such as when light is crossed strong, pupil can reduce, when light is crossed strong, pupil can amplify, therefore, and can by the pupil size current to user, the display effect of terminal is changed, obtains to make user best consulting conditions and environment in the processes such as reading, video calling.Here display effect comprises the brightness, color, font size etc. of screen, all can select rightly and set.
In technique scheme, display effect comprises: the displaying ratio of the brightness of the screen of terminal, contrast, sharpness, colour temperature, background colour and/or present displayed content; And in step 204, the process that display effect controls specifically is comprised: according to pupil size, at least one item in display effect is regulated.In this technical scheme, often kind of display effect at least one adjustment numerical value all corresponding, then by the adjustment to this numerical values recited, can regulate display effect.
In technique scheme, step 202 specifically comprises: analysis chart picture, obtains pupil diameter d1 and the iris outline diameter d2 of user; Determine pupil size β=pupil diameter d1/ iris outline diameter d2.
In this technical scheme, because no matter how pupil changes, the size of the iris profile outside it changes hardly, therefore, and can using the business of pupil diameter and iris outline diameter as the parameter judging pupil size.For the image of user's eye that terminal collects, a lot of means can be utilized to distinguish the part such as pupil, iris profile wherein, after such as image being carried out gray proces, the gray scale that each several part is corresponding is all different, thus may be used for distinguishing different parts, and obtain corresponding data further, such as pupil diameter, iris outline diameter etc.
In technique scheme, step 204 specifically comprises: judge the pupil numerical range residing for pupil size, and selects corresponding display effect to arrange terminal.In this technical scheme, pupil has normal magnitude range, and each data is all corresponding to a best display effect of terminal, such as the adjustment of brightness, color etc., therefore, can store correspondingly the numerical value of pupil size or regulating parameter corresponding to the numerical range display effect different from terminal in advance, and when the real-time size of pupil being detected, obtain corresponding regulating parameter, and utilize the display effect of this regulating parameter to terminal to arrange.
In technique scheme, step 204 also comprises: when pupil size is changed to the second pupil numerical range from the first pupil numerical range, and record pupil size is in the time in the second pupil numerical range; If the time is greater than default time threshold, then utilizes the display effect corresponding to the second pupil numerical range to arrange terminal, otherwise terminal is not changed.In this technical scheme, the eye change of user is many, and the actions such as nictation may cause the change in the pupil size generation short time, thus cause erroneous judgement, if change the display effect of terminal at once, then may cause bad experience effect to user.Therefore, after pupil size change, when terminal needs the change carrying out display effect, the long enough if this change is held time, then not think it is erroneous judgement, and user needs the adjustment carrying out display effect, then change disappearing effect, otherwise do not change.
In technique scheme, before step 202, also comprise: pre-set at least one pupil numerical range and corresponding at least one display effect.In this technical scheme, the change numerical value of pupil, the display effect of terminal are divided into more value region all as much as possible, be conducive to critically regulating the display effect of terminal, but for the analysis ability of terminal, algorithm to arrange etc. then require higher, therefore, corresponding fine degree can be selected according to actual needs.For concrete setting value, can carry out factory setting by manufacturer, user directly uses; By the grade of the fixed multiple fine degree of factory default, suitable grade can be selected as required by user; Sets itself can be carried out as required by user.
Fig. 3 shows the schematic diagram of user's eye according to an embodiment of the invention.
As shown in Figure 3, in order to understand the demand of user for display effect of terminal exactly, carry out image acquisition present invention employs the eye 302 to user, and by analyzing the image of the eye 302 collected, obtain the real-time size of the pupil 306 of user.
Particularly, when user observes terminal screen for a long time, or external environment changes, and such as from bright light to light-off, in varied situations, user needs no display effect, just can obtain best reading, check experience.
Although in varied situations, the size of the pupil 306 of user can change, if but from the image collecting device of terminal, such as camera, image acquisition is carried out to the eye 302 of user, even if in fact the size of pupil 306 does not change, but the change of distance along with terminal and eye 302, the size of the pupil 306 in the image of collection also can be different.
But in varied situations, the size of the iris profile 304 in eye 302 is almost constant, therefore, can using the ratio of pupil 306 and iris profile 304 as the standard judging user's pupil size.
Particularly, obtain the pupil diameter 308 (representing with d1) of the pupil 306 in image, and obtain the iris outline diameter 310 (representing with d2) of iris profile 304, then obtain pupil state parameter β=d1/d2.When the pupil diameter 308 of reality does not change, no matter the then distance size of image collecting device and eye 302, because the change of same ratio also occurs iris outline diameter 310, then the pupil state parameter β obtained can not change all the time, thus avoids judging by accident.
Fig. 4 A to Fig. 4 B shows the schematic diagram obtaining user's pupil size according to an embodiment of the invention.
As shown in Figure 4 A, be the embodiment of being carried out image acquisition by the eye 402 of the camera 404 couples of users in terminal, and now eye 402 look at camera 404 straight.
In this case, camera 404 gathers the image information of eye 402, and the ocular imaging 406 generated, the pupil diameter 412 in ocular imaging 406 and iris profile imaging diameter 414 correspond respectively to pupil diameter 408 and the iris outline diameter 410 of eye 402.
Assuming that pupil diameter 408=L1, iris outline diameter 410=L2, pupil diameter 412=L3, iris profile imaging diameter 414=L4, then can obtain pupil state parameter β=L3/L4=L1/L2.
As shown in Figure 4 B, when the eye 402 of user looks side ways camera 404, then eye 402 and camera 404 form certain angle, assuming that this angle is θ.Now, for the ocular imaging 406 that camera 404 generates, be not directly correspond to eye 402, its pupil image diameter 420 and iris profile imaging diameter 422 correspond respectively to actual measurement pupil diameter 416 and actual measurement iris outline diameter 418.
Assuming that the pupil diameter 408=L1 of eye 402, iris outline diameter 410=L2, actual measurement pupil diameter 416=L5, actual measurement iris outline diameter 418=L6, pupil image diameter 420=L7, iris profile imaging diameter 422=L8, then pupil state parameter β=L1/L2=(L1 × cos θ)/(L2 × cos θ)=L5/L6=L7/L8.
Before use pupil state parameter β, first can determine several groups of states and parameter according to the eye structure feature of people and the size of pupil under different conditions, such as the variable diameter of common people's pupil moves between 1.5-8.0mm, at 2.5mm-5mm under even in everyday situations, and the about 12mm of the diameter of iris.Therefore, four parameter: β can be defined as follows from big to small according to the principle of pupil change
max, β
up, β
downand β
min, then these four parameters are formed between multiple state area, such as when pupil state parameter β is at β
down-β
upbetween represent that eyes of user is in comfort conditions, do not need to regulate the display effect of terminal; When β is at β
min-β
maxbetween and at β
down-β
upoutside represent that user's pupil has started initiatively expansion or shunk, need to regulate the display parameter of terminal, obtain more comfortable environment for use to make user; When β is at β
min-β
maxoutside represent that user's pupil has been in extremely expansion or has shunk, larger harm may be caused to the eyesight of user, prompting rest a period of time can be carried out to user.Certainly, when reality uses, the threshold value between concrete interval quantity, each interval, all can carry out free setting by manufacturer or user, to reach best experience effect.
Fig. 5 shows the particular flow sheet adjusting display effect of terminal according to an embodiment of the invention.
As shown in Figure 5, the idiographic flow adjusting display effect of terminal is according to an embodiment of the invention as follows:
Step 502, timer reaches the schedule time, refer to and carry out image acquisition and analysis to the eye of user at a certain time interval, but obviously this step is not necessary.
Step 504, obtains the eyes image of user, and pupil diameter d1 wherein and iris outline diameter d2.For the eyes image of the user collected, first need to pick out the pupil in image and iris profile, particularly, can by carrying out gray proces to image, then different positions correspond to different gray scale display effects, then carries out the measurement of pupil diameter d1 and iris outline diameter d2.
Step 506, calculates pupil state parameter β=d1/d2.Due to along with image collecting device, such as camera, with the distance of eye, the change of angle, the absolute diameter of the pupil obtained all can change, thus causes erroneous judgement.And when pupil changes, the iris profile in outside changes hardly, thus when size variation does not occur pupil, pupil diameter also can not change with the ratio of iris outline diameter, thus can as the basis for estimation of the size variation of pupil.
Step 508, judges whether β > β 1.Before carrying out judging, processing, need the actual change that understanding pupil diameter may occur, such as the variable diameter of common people's pupil moves between 1.5-8.0mm, at 2.5mm-5mm under even in everyday situations, and the about 12mm of the diameter of iris, therefore, at least one numerical value change interval that β may occur can be set in advance.When β is changed to another numerical intervals from a numerical intervals, then illustrate that the demand of user may change, need to carry out corresponding adjustment to the display effect of terminal.Here β 1 can be the endpoint value of the residing numerical intervals of β script and another numerical intervals.If β > β 1, then enter step 510, otherwise enter step 518.
Step 510, judges whether the hold time t of the numerical value of β in new numerical intervals is greater than default time threshold T, if so, then enters step 512, otherwise enters step 520.Due to user carrying out blinking, the action such as visual angle change time, may cause changing in the moment of pupil or short time, but for these actions, be actually the change not needing to carry out display effect, therefore, if β is the change of short time, explanation belongs to above-mentioned situation, do not need to process, if β changes for a long time, then illustrate and need the process carrying out display effect.
In addition, here for the judgement of holding time, special timer can be adopted, also can count, such as when carrying out image acquisition with fixed intervals to eye, can the number of times that the numerical value of β recurs the change of numerical intervals be added up, when number of times reaches certain numerical value, holding time of same expression pupil size change is longer, needs the change carrying out display effect of terminal.
Certainly, this step 510 is not necessary, but after adding this step, obviously can avoid the generation of some erroneous judgements.
Step 512, regulates the display effect of terminal.Particularly, when carrying out the adjustment of display effect, comprise the brightness to terminal demonstration, contrast, tone, display word size etc. regulate.
Step 514, judges whether β > β max or β < β min.There is certain normal variation scope in the size due to pupil, when exceeding this normal variation scope, then the state that the eye of now user has been in extremely expansion or has shunk is described, totally unfavorable to the eyesight of user.
Step 516, prompting user carries out suitable rest, protection eye.
Step 518, judges whether β < β 2.Here β 2 refers to the endpoint value of numerical intervals residing for β originally and another numerical intervals, is another endpoint value being different from β 1.If so, then enter step 510, otherwise enter step 520.
Step 520, maintains current display effect.Do not change in the size of pupil, change less, change and hold time in the situation such as shorter, do not need to change the display effect of terminal.
More than be described with reference to the accompanying drawings technical scheme of the present invention, consider that prior art all needs annex light source and imaging device, increase extra cost, be not suitable for being applied to mobile terminal, and effect cannot be judged preferably, therefore, the present invention proposes the control method of a kind of terminal and a kind of display effect of terminal, can change according to the pupil of user, the display effect of terminal is regulated, to make user obtain better view result, reduces the injury to user's eye as far as possible.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a terminal, is characterized in that, comprising:
Image acquisition units, for gathering the image of user's eye;
Graphics processing unit, processes for the described image gathered described image acquisition units, to obtain the pupil size of described user;
Indicative control unit, according to described pupil size, controls accordingly to the display effect of terminal;
Timing unit, when described pupil size is changed to the second pupil numerical range from the first pupil numerical range, records described pupil size and is in time in described second pupil numerical range; And
Described indicative control unit also for:
When the described time is greater than default time threshold, utilizes the display effect corresponding to described second pupil numerical range to arrange described terminal, otherwise described terminal is not changed;
Described display effect comprises: the displaying ratio of the brightness of the screen of described terminal, contrast, sharpness, colour temperature, background colour and/or present displayed content; And
Described indicative control unit specifically comprises the process that described display effect controls: according to described pupil size, regulates at least one item in described display effect.
2. terminal according to claim 1, is characterized in that, described graphics processing unit specifically comprises:
Graphical analysis subelement, analyzes described image, tells the pupil in described image and iris profile;
Data acquisition subelement, according to the analysis result of described graphical analysis subelement, obtains pupil diameter d1 and the iris outline diameter d2 of described user;
Data processing subelement, determines described pupil size β=pupil diameter d1/ iris outline diameter d2.
3. terminal according to claim 1, is characterized in that, described indicative control unit specifically comprises:
Scope judgment sub-unit, judges the pupil numerical range residing for described pupil size;
Graphics Processing subelement, selects the display effect corresponding to the described pupil numerical range that described scope judgment sub-unit is judged, arranges described terminal.
4. terminal according to any one of claim 1 to 3, is characterized in that, also comprises:
Setting unit, pre-sets display effect described at least one pupil numerical range and corresponding at least one.
5. a control method for display effect of terminal, is characterized in that, comprising:
Step 202, gathers the image of user's eye, to obtain the pupil size of described user;
Step 204, according to described pupil size, controls accordingly to the display effect of terminal;
Described step 204 also comprises:
When described pupil size is changed to the second pupil numerical range from the first pupil numerical range, records described pupil size and be in time in described second pupil numerical range;
If the described time is greater than default time threshold, then utilizes the display effect corresponding to described second pupil numerical range to arrange described terminal, otherwise described terminal is not changed;
Described display effect comprises: the displaying ratio of the brightness of the screen of described terminal, contrast, sharpness, colour temperature, background colour and/or present displayed content; And
In described step 204, the process that described display effect controls specifically is comprised: according to described pupil size, at least one item in described display effect is regulated.
6. the control method of display effect of terminal according to claim 5, is characterized in that, described step 202 specifically comprises:
Analyze described image, obtain pupil diameter d1 and the iris outline diameter d2 of described user;
Determine described pupil size β=pupil diameter d1/ iris outline diameter d2.
7. the control method of display effect of terminal according to claim 5, is characterized in that,
Described step 204 specifically comprises:
Judge the pupil numerical range residing for described pupil size, and select corresponding display effect to arrange described terminal.
8. the control method of the display effect of terminal according to any one of claim 5 to 7, is characterized in that, before described step 202, also comprises:
Pre-set display effect described at least one pupil numerical range and corresponding at least one.
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