WO2017088487A1 - 一种基于眼部识别的自动调整滚屏速度的方法及系统 - Google Patents
一种基于眼部识别的自动调整滚屏速度的方法及系统 Download PDFInfo
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- WO2017088487A1 WO2017088487A1 PCT/CN2016/088836 CN2016088836W WO2017088487A1 WO 2017088487 A1 WO2017088487 A1 WO 2017088487A1 CN 2016088836 W CN2016088836 W CN 2016088836W WO 2017088487 A1 WO2017088487 A1 WO 2017088487A1
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- pupil
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/0485—Scrolling or panning
Definitions
- the present invention relates to the field of mobile terminal technologies, and in particular, to a method and system for automatically adjusting a scrolling speed based on an eye recognition.
- the reading software of the intelligent terminal such as an e-book
- a page turning mode such as manual page turning, automatic scrolling (speed can be manually adjusted).
- Manual page turning is too frequent, and sometimes the hand can't be vacated.
- the user may be inconvenienced in turning pages.
- the invention aims to provide a method and a system for automatically adjusting the scrolling speed based on the eye recognition, which aims to solve the problem that the manual page turning operation is too frequent when the user uses the reading software of the smart terminal, such as an e-book, in the prior art, and some When the hand can't vacate the operation, and choose automatic scrolling, you need to try various speed comparisons first, the steps are complicated, and the scrolling speed cannot be automatically adjusted.
- a method for automatically adjusting scrolling speed based on eye recognition comprising:
- the smart terminal enters the reading software and enters the scrolling reading mode. After starting to read, the camera of the smart terminal continuously detects the change of the user's pupil position;
- the current scrolling speed is adjusted by an algorithm so that the pupil does not change in the vertical position, and the horizontal position is maintained.
- the method for automatically adjusting a scrolling speed based on eye recognition further includes:
- the method for automatically adjusting the scrolling speed based on the eye recognition comprises:
- the camera acquires the current pupil moving direction, and adjusts the current scrolling speed to a reverse direction of the pupil by a predetermined multiple;
- the method for automatically adjusting the scrolling speed based on the eye recognition comprises:
- the time at which the position of the pupil is changed is calculated to calculate the relative reading speed, and the reading speed is adjusted to the sum of the original reading speed and the relative reading speed.
- the method for automatically adjusting the scrolling speed based on the eye recognition comprises:
- the time at which the position of the pupil is changed is calculated to calculate the relative reading speed, and the scrolling speed is adjusted to the sum of the original reading speed and the relative reading speed.
- a method for automatically adjusting scrolling speed based on eye recognition comprising:
- the smart terminal enters the reading software and enters the scrolling reading mode. After starting to read, the camera of the smart terminal continuously detects the change of the user's pupil position;
- the current scrolling speed is adjusted until it is detected that the pupil position is no longer changed.
- the method for automatically adjusting a scrolling speed based on eye recognition further includes:
- the method for automatically adjusting the scrolling speed based on the eye recognition, wherein the step of adjusting the current scrolling speed until detecting that the pupil position is no longer changed includes:
- the camera acquires the current pupil moving direction, and adjusts the current scrolling speed to a reverse direction of the pupil by a predetermined multiple;
- the method for automatically adjusting the scrolling speed based on the eye recognition comprises:
- the time at which the position of the pupil is changed is calculated to calculate the relative reading speed, and the reading speed is adjusted to the sum of the original reading speed and the relative reading speed.
- the method for automatically adjusting the scrolling speed based on the eye recognition comprises:
- the time at which the position of the pupil is changed is calculated to calculate the relative reading speed, and the scrolling speed is adjusted to the sum of the original reading speed and the relative reading speed.
- a system for automatically adjusting scrolling speed based on eye recognition comprising:
- the detecting module is used for the intelligent terminal to enter the reading software and enter the scrolling reading mode. After starting to read, the camera of the intelligent terminal continuously detects the change of the user's pupil position;
- a scrolling speed maintaining module configured to keep the current speed scrolling when the camera detects that the user's pupil looks at the screen and the scrolling state is maintained at a horizontal position
- the scrolling speed adjustment module is configured to adjust the current scrolling speed when the camera detects that the user's pupil looks at the screen and the pupil position continues to change until it detects that the pupil position does not change.
- the system for automatically adjusting a scrolling speed based on eye recognition wherein the system further comprises:
- the control module is configured to stop scrolling when the smart terminal detects a sudden change of the body position or the camera detects that the pupil does not look to the smart terminal screen.
- the system for automatically adjusting the scrolling speed based on the eye recognition wherein the scrolling speed adjustment module specifically includes:
- a first speed adjusting unit configured to acquire a current pupil moving direction by the camera, and adjust the current scrolling speed to a reverse direction of the pupil by a predetermined multiple
- the detection and control unit is configured to continue to detect the direction of pupil movement and repeat the above steps until it is detected that the pupil position does not change.
- the system for automatically adjusting the scrolling speed based on the eye recognition wherein the scrolling speed adjustment module specifically includes:
- An initial positioning unit is configured to pre-acquire a mapping relationship between a range of changes in the user's pupil position and a screen size of the entire smart terminal, and complete initial positioning;
- a first distance calculating unit configured to: when the camera acquires displacement data of a change in the pupil position of the user, calculate a moving distance corresponding to the content of the screen of the smart terminal according to the mapping relationship;
- the second speed adjusting unit is configured to calculate a relative reading speed when the pupil position changes, and adjust the reading speed to a sum of the original reading speed and the relative reading speed.
- the system for automatically adjusting the scrolling speed based on the eye recognition wherein the scrolling speed adjustment module specifically includes:
- a second calculating unit configured to calculate an absolute value of a distance between a human eye and a screen and an absolute value of a pupil moving distance on the smart terminal provided with the dual camera;
- a third distance calculation unit configured to acquire a distance between the pupil of the person and the retina, and calculate a moving distance corresponding to the content of the screen of the smart terminal;
- the third speed adjusting unit calculates the relative reading speed by acquiring the time when the pupil position changes, and adjusts the scrolling speed to the sum of the original reading speed and the relative reading speed.
- the invention provides a method and a system for automatically adjusting the scrolling speed based on the eye recognition.
- the invention detects the change of the direction of the user's eyes and the terminal to confirm whether the current scrolling speed is appropriate, and automatically adjusts the scrolling speed to make the user's reading speed and scrolling
- the speed is always matched, and the eye focus can always maintain a consistent screen position when reading, so that the user does not need to operate, which is convenient for the user to watch the screen.
- FIG. 1 is a flow chart of a preferred embodiment of a method for automatically adjusting scrolling speed based on eye recognition according to the present invention.
- FIG. 2 is a scene view of a human eye viewing screen in a specific application embodiment of a method for automatically adjusting a scrolling speed based on eye recognition according to the present invention
- FIG. 3 is a side view of an application of a specific application embodiment of a method for automatically adjusting a scrolling speed based on eye recognition according to the present invention
- FIG. 4 is a simplified model diagram of a side view of a specific application embodiment of a method for automatically adjusting scrolling speed based on eye recognition according to the present invention
- FIG. 5 is a functional block diagram of a preferred embodiment of a system for automatically adjusting scrolling speed based on eye recognition according to the present invention.
- the present invention provides a flow chart of a preferred embodiment of a method for automatically adjusting scrolling speed based on eye recognition. As shown in FIG. 1, the method includes:
- Step S100 The smart terminal enters the reading software and enters the scroll reading mode. After starting to read, the camera of the smart terminal continuously detects the change of the user's pupil position.
- the scene view of the screen is viewed by the human eye, and the terminal 1 with the screen is provided with the camera 1-1.
- the reading is automatically scrolling up at a fixed speed v.
- the pupil 2-1 of the user's eye 2 moves from the ax position to ay as the content of the view is viewed, and the screen position of the reading is moved from bx to by.
- the user needs to adjust the scrolling speed v to adapt the reading speed, so that the user's pupil is maintained at a fixed position, such as the position ax or ay.
- the smart terminal is a smart terminal product including a screen and a camera, including but not limited to a terminal device such as a smart phone, a tablet computer, and an e-book.
- the invention also supports right-left, up-down, down-up text systems, and scrolling methods from top to bottom, left to right, and right to left. After starting reading, the camera continuously detects changes in the user's pupil position.
- Step S200 When the camera detects that the user's pupil looks at the screen and the scrolling state is maintained at a horizontal position, the current speed scrolling is maintained.
- the user's reading speed and the scrolling speed can be considered to match, and the speed is maintained at this time.
- Step S300 When the camera detects that the user's pupil looks at the screen and the pupil position continues to change, the current scrolling speed is adjusted until it is detected that the pupil position does not change.
- the user's reading speed and the scrolling speed may not be matched.
- the scrolling speed needs to be adjusted by an algorithm so that the pupil does not change in the vertical position. Maintain this horizontal position.
- the method further includes:
- Step S400 When the smart terminal detects a sudden change in the position of the body or the camera detects that the pupil does not look to the screen of the smart terminal, the scrolling is stopped.
- the built-in sensor of the terminal detects a sudden change in the position of the body, the scrolling is stopped, the body is returned to the stable state, and the state of the pupil is detected again to return to the correct scrolling speed.
- the built-in sensor of the terminal detects a sudden change in the position of the body, or the camera detects a sudden change in the position of the pupil, the terminal/user is considered to be subject to external interference, and the reading is interrupted; the sensor includes but is not limited to an acceleration sensor, an angular velocity sensor, a gyroscope, etc.
- the reading software stops scrolling and continues to judge the pupil status.
- the step S300 adjusts the speed of the scrolling by using a speed correction algorithm, thereby ensuring that the reading speed of the user is consistent with the scrolling speed.
- a convergence method e.g., a convergence method, a ratio-based quantitative method, and an absolute value-based quantitative method can be employed.
- FIG. 3 is a side view model of the scene graph shown in FIG. 2, where b1 and b2 are upper and lower edges of the terminal screen, and the corresponding pupil viewing angles are a1 and a2, which are imaged on the retina r.
- the scrolling speed is v1; the pupil moves from top to bottom, and the relative reading speed mapped to the screen is v2.
- 4 is a simplified model diagram of FIG. 3, in which the pupil movement is before and after ax, ay, and the moving distance is w1; the corresponding screen viewing position is at bx, by, and the corresponding moving distance is w2.
- the distance from the retina to the screen is h1.
- the adjusting the speed of scrolling by using the convergence method in step S300 specifically includes:
- Step S31 The camera acquires the current pupil moving direction, and adjusts the current scrolling speed to a reverse direction of the pupil by a predetermined multiple;
- Step S32 continue to detect the pupil moving direction, and repeat the above steps until it is detected that the pupil position does not change.
- the method does not need quantitative calculation, but qualitatively determines the direction of pupil movement, correspondingly adjusts the scrolling speed to a certain direction in the opposite direction of the pupil, and then continuously performs multiple rounds of feedback convergence in the speed interval, and finally adjusts To the appropriate speed value.
- the initial scrolling speed is v1
- the pupil moves from top to bottom, and it can be judged that the scrolling speed is slower than the reading speed, and the scrolling speed needs to be increased by 1.2 times v1.
- the interval of appropriate speed such as 1.2 times v1 to 1.4 times v1. Based on this interval, the dichotomy converges to 1.3 times v1, 1.25 times v1... until the pupil remains in the horizontal position and no longer moves up and down, the scrolling speed and the reading speed remain the same, and the operation is completed.
- adjusting the speed of the scrolling by using the proportional-based quantitative method in the step S300 specifically includes:
- Step S310 pre-acquiring the mapping relationship between the range of the user's pupil position change and the screen size of the entire smart terminal, and completing the initial positioning;
- Step S320 when the camera acquires the displacement data of the user's pupil position change, and according to the mapping relationship, calculate the moving distance corresponding to the screen content of the viewing smart terminal;
- Step S330 Calculate the relative reading speed by acquiring the time when the pupil position changes, and adjust the reading speed to the sum of the original reading speed and the relative reading speed.
- the user first needs to stare at the positioning points of the upper edge b1 and the lower edge b2 of the screen to perform initial positioning, and the camera acquires the position information a1 and a2 of the corresponding pupil.
- the absolute length value of a2-a1 ay-ax cannot be measured for a single camera, but at a fixed h2 screen distance, its ay-ax is relative to a2-a1.
- the height value (b2-b1) of the mobile phone screen can be obtained by reading the screen parameters, so the absolute value w2 of the interval between bx and by can be calculated according to the proportional relationship.
- the relative reading speed v2 can be calculated according to the time t used for the movement.
- adjusting the speed of scrolling by using the absolute value based quantitative method in the step S300 specifically includes:
- Step S301 calculating the absolute distance between the human eye and the screen and the absolute value of the pupil moving distance on the terminal provided with the dual camera;
- Step S302 Obtain a distance between the pupil of the person and the retina, and calculate a moving distance corresponding to the content of the screen of the smart terminal;
- Step S303 Calculate the relative reading speed by acquiring the time when the pupil position changes, and adjust the scrolling speed to the sum of the original reading speed and the relative reading speed.
- the value of w2 can be calculated (considering the refraction of the light from the pupil to the retina can be multiplied by a fixed correction coefficient ⁇ )
- the relative reading speed v2 can be calculated.
- the final target scrolling speed is vx
- the advantage of this algorithm is that the adjustment speed is fast (only one adjustment is needed), and no pre-positioning is needed; the method can obtain accurate values in combination with predetermined positions.
- the invention provides a method for automatically adjusting the scrolling speed based on the eye recognition, which uses the camera of the intelligent terminal to detect the change of the eye orientation of the user, determines whether the scrolling speed is suitable for the reading speed of the user, and automatically adjusts the scrolling speed to Keep the user's eyeball orientation at a constant screen position, at which point the scrolling speed is consistent with the reading speed. At the same time, the scrolling is paused when the user closes his eyes or faces out of the screen.
- the storage medium may be a magnetic disk, an optical disk, or a read-only storage memory (Read-Only) Memory, ROM) or Random Access Memory (RAM).
- the present invention further provides a functional block diagram of a preferred embodiment of a system for automatically adjusting scrolling speed based on eye recognition. As shown in FIG. 5, the system includes:
- the detecting module 100 is configured to enter the reading software by the smart terminal and enter the scroll reading mode. After starting to read, the camera of the smart terminal continuously detects the change of the user's pupil position; as described above.
- the scrolling speed maintaining module 200 is configured to keep the current speed scrolling when the camera detects that the user's pupil looks at the screen and the scrolling state is maintained at a horizontal position; as described above.
- the scrolling speed adjustment module 300 is configured to adjust the current scrolling speed when the camera detects that the user's pupil looks at the screen and the pupil position continues to change until the pupil position is detected to be no longer changed; as described above.
- the system for automatically adjusting a scrolling speed based on eye recognition wherein the system further comprises:
- the control module is configured to stop scrolling when the smart terminal detects a sudden change of the body position or the camera detects that the pupil does not look to the smart terminal screen; as described above.
- the system for automatically adjusting the scrolling speed based on the eye recognition wherein the scrolling speed adjustment module specifically includes:
- the first speed adjusting unit is configured to acquire the current pupil moving direction by the camera, and adjust the current scrolling speed to the reverse direction of the pupil by a predetermined multiple; as described above.
- the detecting and controlling unit is configured to continue to detect the direction of movement of the pupil, and repeat the above steps until it is detected that the position of the pupil does not change; as described above.
- the system for automatically adjusting the scrolling speed based on the eye recognition wherein the scrolling speed adjustment module specifically includes:
- the initial positioning unit is configured to pre-acquire the mapping relationship between the range of the user's pupil position change and the screen size of the entire smart terminal, and complete the initial positioning; as described above.
- the first distance calculating unit is configured to: when the camera acquires the displacement data of the user's pupil position change, calculate the moving distance corresponding to the screen content of the viewing smart terminal according to the mapping relationship; specifically, as described above.
- the second speed adjusting unit is configured to calculate a relative reading speed when the pupil position changes, and adjust the reading speed to a sum of the original reading speed and the relative reading speed; as described above.
- the system for automatically adjusting the scrolling speed based on the eye recognition wherein the scrolling speed adjustment module specifically includes:
- the second calculating unit is configured to calculate an absolute value of the distance between the human eye and the screen and an absolute value of the pupil moving distance on the terminal provided with the dual camera; as described above.
- the third distance calculating unit is configured to acquire a distance between the pupil of the person and the retina, and calculate a moving distance corresponding to the content of the screen of the smart terminal; as described above.
- the third speed adjusting unit calculates the relative reading speed by acquiring the time when the pupil position changes, and adjusts the scrolling speed to the sum of the original reading speed and the relative reading speed; as described above.
- the present invention provides a method and system for automatically adjusting scrolling speed based on eye recognition, the method comprising: the smart terminal enters reading software, enters a scrolling reading mode, and after starting reading, the camera of the smart terminal Continuously detecting the user's pupil position change; when the camera detects that the user's pupil looks at the screen and the scrolling state is maintained at a horizontal position, the current speed is kept scrolling; when the camera detects that the user's pupil looks at the screen and the pupil position continues to change, adjust The current scroll speed is not detected until the pupil position is detected.
- the invention detects the change of the direction of the user's eyes and the terminal to confirm whether the current scrolling speed is appropriate, and automatically adjusts the scrolling speed so that the reading speed of the user and the scrolling speed are always matched, and the eye focus can always maintain a consistent screen position when the user reads, thereby eliminating the need for both hands. Going to the operation provides convenience for the user to view the screen.
- the above system for automatically adjusting the scrolling speed based on the eye recognition is the same concept as the method for automatically adjusting the scrolling speed based on the eye recognition in the above embodiment, and the system for automatically adjusting the scrolling speed based on the eye recognition can be
- the method for automatically adjusting the scrolling speed based on the eye recognition is described in detail. .
- the method for automatically adjusting the scrolling speed based on the eye recognition can understand all the methods for automatically adjusting the scrolling speed based on the eye recognition according to the embodiment of the present invention.
- a part of the process may be completed by a computer program controlling the related hardware, and the computer program may be stored in a computer readable storage medium, such as in a memory of the mobile terminal, and at least by the mobile terminal.
- a processor executes, which may include the flow of an embodiment of the methods as described above during execution.
- the storage medium may be a magnetic disk, an optical disk, a read only memory (ROM), or a random access memory (RAM).
- each functional module may be integrated in one processing chip, or each module may exist physically separately, or may be integrated by two or more modules.
- the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
- the integrated module if implemented in the form of a software functional module and sold or used as a standalone product, may also be stored in a computer readable storage medium, such as a read only memory, a magnetic disk or an optical disk, etc. .
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Abstract
一种基于眼部识别的自动调整滚屏速度的方法及系统。智能终端(1)的摄像头(1-1)持续检测用户瞳孔(2-1)位置变化(S100);当检测到用户瞳孔(2-1)看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏(S200);当检测到用户瞳孔(2-1)看向屏幕,且瞳孔(2-1)位置持续变化时,调整当前滚屏速度,直到检测到瞳孔(2-1)位置不再变化(S300)。该方法及系统为用户观看屏幕提供了方便。
Description
本发明涉及移动终端技术领域,尤其涉及基于一种眼部识别的自动调整滚屏速度的方法及系统。
目前,智能终端的阅读软件如电子书等都有翻页模式可选,如手工翻页,自动滚屏(快慢可手工调节)。其中手工翻页操作过于频繁,且有些时候手不能腾出来操作。而选择自动滚屏则需先尝试各种速度对比,步骤复杂,而且滚动速度不能自动调整。有时用户双手在做其他事情时,如果采用上述二种翻页方式的话,那么会给用户翻页操作带来不便。
因此,现有技术还有待于改进和发展。
本发明目的在于提供一种基于眼部识别的自动调整滚屏速度的方法及系统,旨在解决现有技术中当用户使用智能终端的阅读软件如电子书时,手工翻页操作过于频繁,且有些时候手不能腾出来操作,而选择自动滚屏则需先尝试各种速度对比,步骤复杂,而且滚动速度不能自动调整的缺陷。
本发明的技术方案如下:
一种基于眼部识别的自动调整滚屏速度的方法,其中,所述方法包括:
智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,所述智能终端的摄像头持续检测用户瞳孔位置变化;
当所述摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;
当所述摄像头检测到用户瞳孔看向屏幕,且瞳孔位置在垂直位置持续变化时,通过算法调整当前滚屏速度,使瞳孔不再垂直位置变化,维持该水平位置。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述方法还包括:
当所述智能终端检测到机身位置突变或所述摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:
所述摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;
继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:
预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;
当所述摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;
获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:
在设置有双摄像头的智能终端上,计算出人眼与屏幕的距离绝对值,及瞳孔移动距离的绝对值;
获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;
获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和。
一种基于眼部识别的自动调整滚屏速度的方法,其中所述方法包括:
智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,所述智能终端的摄像头持续检测用户瞳孔位置变化;
当所述摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;
当所述摄像头检测到用户瞳孔看向屏幕,且瞳孔位置持续变化时,调整当前滚屏速度,直到检测到瞳孔位置不再变化。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述方法还包括:
当所述智能终端检测到机身位置突变或所述摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度,直到检测到瞳孔位置不再变化的步骤,具体包括:
所述摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;
继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:
预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;
当所述摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;
获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和。
所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:
在设置有双摄像头的智能终端上,计算出人眼与屏幕的距离绝对值,及瞳孔移动距离的绝对值;
获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;
获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和。
一种基于眼部识别的自动调整滚屏速度的系统,其中,所述系统包括:
检测模块,用于智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,智能终端的摄像头持续检测用户瞳孔位置变化;
滚屏速度保持模块,用于当摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;
滚屏速度调整模块,用于当摄像头检测到用户瞳孔看向屏幕,且瞳孔位置持续变化时,调整当前滚屏速度,直到检测到瞳孔位置不再变化。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述系统还包括:
控制模块,用于当智能终端检测到机身位置突变或摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述滚屏速度调整模块具体包括:
第一速度调整单元,用于摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;
检测与控制单元,用于继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述滚屏速度调整模块具体包括:
初始定位单元,用于预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;
第一距离计算单元,用于当摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;
第二速度调整单元,用于获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述滚屏速度调整模块具体包括:
第二计算单元,用于在设置有双摄像头的智能终端上,计算出人眼与屏幕的距离绝对值及瞳孔移动距离的绝对值;
第三距离计算单元,用于获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;
第三速度调整单元,获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和。
本发明提供了一种基于眼部识别的自动调整滚屏速度的方法及系统,本发明检测用户眼睛看终端的方向变化确认当前滚屏速度是否合适,并自动调整滚屏速度以使用户的阅读速度与滚屏速度始终匹配,用户阅读时眼睛焦点能始终保持一致的屏幕位置,从而不用双手去操作,为用户观看屏幕提供了方便。
图1为本发明的一种基于眼部识别的自动调整滚屏速度的方法的较佳实施例的流程图。
图2是本发明的一种基于眼部识别的自动调整滚屏速度的方法的具体应用实施例中人眼观看屏幕的场景图;
图3是本发明的一种基于眼部识别的自动调整滚屏速度的方法的具体应用实施例中应用侧视图;
图4是本发明的一种基于眼部识别的自动调整滚屏速度的方法的具体应用实施例应用侧视图的简化模型图;
图5为本发明的一种基于眼部识别的自动调整滚屏速度的系统的较佳实施例的功能原理框图。
为使本发明的目的、技术方案及效果更加清楚、明确,以下对本发明进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
本发明提供了一种基于眼部识别的自动调整滚屏速度的方法的较佳实施例的流程图,如图1所示,所述方法包括:
步骤S100、智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,智能终端的摄像头持续检测用户瞳孔位置变化。
具体实施时,如图2所示为人眼观看屏幕的场景图,带屏幕的终端1内置摄像头1-1。阅读内容正在以固定速度v向上自动滚屏。用户眼睛2的瞳孔2-1随着看的内容从ax位置移到ay,其阅读的屏幕位置由bx移到by。在这种自动滚屏速度和阅读速度不匹配的情况下,用户需要调整滚屏速度v以适配阅读速度,使用户瞳孔维持在固定位置,如位置ax或ay。
智能终端为包含屏幕和摄像头的智能终端产品,包含但不限于智能手机、平板电脑、电子书等终端设备。
为了简化,后续仅描述左右向的文字体系,以及从下至上滚屏的场景。本发明同时也支持右左向、上下向、下上向的文字体系,以及从上至下、从左至右、从右至左的滚屏方法。在开始阅读后,摄像头持续检测用户瞳孔位置变化。
步骤S200、当摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏。
具体实施时,当摄像头检测到当用户瞳孔看向屏幕,且滚屏状态下瞳孔位置维持在某一水平位置时,可以认为用户阅读速度和滚屏速度匹配,此时保持此速度滚屏。
步骤S300、当摄像头检测到用户瞳孔看向屏幕,且瞳孔位置持续变化时,调整当前滚屏速度,直到检测到瞳孔位置不再变化。
具体实施时,当用户瞳孔看向屏幕,但瞳孔位置在垂直位置持续变化时,则可认为用户阅读速度和滚屏速度不匹配,这时需通过算法调整滚屏速度,使瞳孔不再垂直位置变化,维持该水平位置。
进一步的实施例中,所述步骤S300之后还包括:
步骤S400、当智能终端检测到机身位置突变或摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏。
具体实施时,若终端内置传感器检测到机身位置突变,则停止滚屏,等待机身回到稳定状态,再次检测瞳孔状态以回到正确的滚屏速度。当终端内置传感器检测到机身位置突变、或摄像头检测到瞳孔位置突变时,视为终端/用户受到外界干扰,阅读被打断;传感器包括但不限于加速度传感器、角速度传感器、陀螺仪等,当摄像头检测到用户闭眼或者未看向终端时,阅读软件停止滚屏,并继续判断瞳孔状态。
具体地,所述步骤S300调整滚屏的速度采用速度修正算法,从而保证用户阅读速度与滚屏速度的一致。具体地可采用收敛法、基于比例的定量法和基于绝对值的定量法。
图3是图2所示的场景图的侧视图模型,b1、b2为终端屏幕上下沿,对应的瞳孔观看角度为a1、a2,成像在视网膜r。当前从下至上滚屏,滚屏速度为v1;瞳孔由上往下运动,映射到屏幕上的相对阅读速度为v2。图4为图3的简化模型图,其中瞳孔移动前后分别在ax、ay,移动距离为w1;对应的屏幕观看位置在bx、by,对应的移动距离为w2。视网膜至屏幕的距离为h1。
进一步的实施例中,所述步骤S300中采用收敛法调整滚屏的速度具体包括:
步骤S31、摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;
步骤S32、继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化。
具体实施时,该方法并不需要定量计算,而是定性判断瞳孔移动方向,相应的以一定倍数调整滚屏速度至瞳孔反方向移动,然后在该速度区间内不断进行多轮的反馈收敛,最终调整到合适的速度值。
如初始滚屏速度为v1,这时瞳孔从上至下移动,可判断出滚屏速度慢于阅读速度,需加快滚屏速度如1.2倍v1。持续判断瞳孔移动方向调整速度倍数直至瞳孔反向从下至上移动,得出合适速度的区间,如1.2倍v1到1.4倍v1之间。基于此区间进行二分法收敛到1.3倍v1,1.25倍v1…,直至瞳孔保持在水平位置不再上下移动,滚屏速度和阅读速度保持一致,运算完成。
该算法优点在于不需要做预定位、不需要特殊硬件;缺点在于存在较长的校正过程,且矫正过程中滚屏速度不断变化。
进一步的实施例,所述步骤S300中采用基于比例的定量法调整滚屏的速度具体包括:
步骤S310、预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;
步骤S320、当摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;
步骤S330、获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和。
具体实施时,如图3所示,在算法启动之初,首先需要用户盯着屏幕的上沿b1和下沿b2的定位点,进行初始化定位,摄像头获取对应的瞳孔的位置信息a1和a2。
后续当用户瞳孔持续从位置ax移到位置ay时,由于为单摄像头无法测量a2-a1、ay-ax的绝对长度值,但在固定的h2对屏距离下,其ay-ax相对a2-a1的比例k是可以通过分析图像特征点移动长度比例得到的。如设定a1至a2位置的连线长度a2-a1为1,则ax至ay位置的连线长度ay-ax在0~1之间,若为0.5,则k=0.5。
k=(ay-ax)/(a2-a1)
手机屏幕的高度值(b2-b1)为定值可通过读取屏幕参数得到,所以根据比例关系可计算出bx和by的间隔绝对值w2。
w2=(b2-b1)*k
再跟据移动所用的时间t可计算出相对阅读速度v2,
v2=w2/t
最终得到目标滚屏速度vx为
vx=v1+v2
该算法优点在于调整速度快(只需一次调整),不需特殊硬件。
再进一步的实施例,所述步骤S300中采用基于绝对值的定量法调整滚屏的速度具体包括:
步骤S301、在设置有双摄像头的终端上,计算出人眼与屏幕的距离绝对值,及瞳孔移动距离的绝对值;
步骤S302、获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;
步骤S303、获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和。
具体实施时,如图4所示,在有双摄像头的终端上,可通过双摄像头的3D成像原理计算出人眼与屏幕的距离绝对值h2,以及瞳孔移动距离的绝对值w1=ay-ax。
根据人类眼球瞳孔至视网膜的距离一般为定值h1,则可以计算出w2的数值(考虑光线从瞳孔至视网膜发生折射可乘以固定的校正系数α)
w2=(h2+h1)*w1*α/h1
再根据移动所用的时间t可计算出相对阅读速度v2
v2=w2/t
最终得到目标滚屏速度为vx
vx=v1+v2
该算法优点在于调整速度快(只需一次调整),不需做预定位;该方法可以结合预定位得到精确数值。
本发明提供了一种基于眼部识别的自动调整滚屏速度的方法,使用智能终端的摄像头检测用户的眼球朝向变化,判断滚屏速度是否适合该用户的阅读速度,其自动对滚屏速度进行调整,以使用户的眼球朝向保持在不变的屏幕位置,此时滚屏速度与阅读速度保持一致。同时在用户闭眼或朝向屏幕以外时暂停滚屏。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程,是可以通过计算机程序来指令相关的硬件来完成,所述的程序可存储于一计算机可读取存储介质中,该程序在执行时,可包括如上述各方法的实施例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only
Memory,ROM)或随机存储记忆体(Random Access Memory,RAM)等。
在上述方法实施例的基础上,本发明还提供了一种基于眼部识别的自动调整滚屏速度的系统的较佳实施例的功能原理框图,如图5所示,所述系统包括:
检测模块100,用于智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,智能终端的摄像头持续检测用户瞳孔位置变化;具体如上所述。
滚屏速度保持模块200,用于当摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;具体如上所述。
滚屏速度调整模块300,用于当摄像头检测到用户瞳孔看向屏幕,且瞳孔位置持续变化时,调整当前滚屏速度,直到检测到瞳孔位置不再变化;具体如上所述。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述系统还包括:
控制模块,用于当智能终端检测到机身位置突变或摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏;具体如上所述。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述滚屏速度调整模块具体包括:
第一速度调整单元,用于摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;具体如上所述。
检测与控制单元,用于继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化;具体如上所述。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述滚屏速度调整模块具体包括:
初始定位单元,用于预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;具体如上所述。
第一距离计算单元,用于当摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;具体如上所述。
第二速度调整单元,用于获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和;具体如上所述。
所述的基于眼部识别的自动调整滚屏速度的系统,其中,所述滚屏速度调整模块具体包括:
第二计算单元,用于在设置有双摄像头的终端上,计算出人眼与屏幕的距离绝对值及瞳孔移动距离的绝对值;具体如上所述。
第三距离计算单元,用于获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;具体如上所述。
第三速度调整单元,获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和;具体如上所述。
综上所述,本发明提供了一种基于眼部识别的自动调整滚屏速度的方法及系统,所述方法包括:智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,智能终端的摄像头持续检测用户瞳孔位置变化;当摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;当摄像头检测到用户瞳孔看向屏幕,且瞳孔位置持续变化时,调整当前滚屏速度,直到检测到瞳孔位置不再变化。本发明检测用户眼睛看终端的方向变化确认当前滚屏速度是否合适,并自动调整滚屏速度以使用户的阅读速度与滚屏速度始终匹配,用户阅读时眼睛焦点能始终保持一致的屏幕位置,从而不用双手去操作,为用户观看屏幕提供了方便。
上述基于眼部识别的自动调整滚屏速度的系统与上文实施例中的基于眼部识别的自动调整滚屏速度的方法属于同一构思,在所述基于眼部识别的自动调整滚屏速度的系统上可以运行所述基于眼部识别的自动调整滚屏速度的方法实施例中提供的任一方法,其具体实现过程详见所述基于眼部识别的自动调整滚屏速度的方法实施例,此处不再赘述。
需要说明的是,对本发明实施例的基于眼部识别的自动调整滚屏速度的方法而言,本领域普通技术人员可以理解实现本发明实施例的基于眼部识别的自动调整滚屏速度的方法的全部或部分流程,是可以通过计算机程序来控制相关的硬件来完成,所述计算机程序可存储于一计算机可读取存储介质中,如存储在移动终端的存储器中,并被该移动终端内的至少一个处理器执行,在执行过程中可包括如上述各方法的实施例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储记忆体(ROM)或随机存储记忆体(RAM)等。
对本发明实施例的基于眼部识别的自动调整滚屏速度的系统而言,其各功能模块可以集成在一个处理芯片中,也可以是各个模块单独物理存在,也可以两个或两个以上模块集成在一个模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。所述集成的模块如果以软件功能模块的形式实现并作为独立的产品销售或使用时,也可以存储在一个计算机可读取存储介质中,所述存储介质譬如为只读存储器,磁盘或光盘等。
应当理解的是,本发明的应用不限于上述的举例,对本领域普通技术人员来说,可以根据上述说明加以改进或变换,所有这些改进和变换都应属于本发明所附权利要求的保护范围。
Claims (15)
- 一种基于眼部识别的自动调整滚屏速度的方法,其中所述方法包括:智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,所述智能终端的摄像头持续检测用户瞳孔位置变化;当所述摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;当所述摄像头检测到用户瞳孔看向屏幕,且瞳孔位置在垂直位置持续变化时,通过算法调整当前滚屏速度,使瞳孔不再垂直位置变化,维持该水平位置。
- 根据权利要求1所述的基于眼部识别的自动调整滚屏速度的方法,其中所述方法还包括:当所述智能终端检测到机身位置突变或所述摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏。
- 根据权利要求2所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:所述摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化。
- 根据权利要求2所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;当所述摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和。
- 根据权利要求2所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:在设置有双摄像头的智能终端上,计算出人眼与屏幕的距离绝对值,及瞳孔移动距离的绝对值;获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和。
- 一种基于眼部识别的自动调整滚屏速度的方法,其中所述方法包括:智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,所述智能终端的摄像头持续检测用户瞳孔位置变化;当所述摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;当所述摄像头检测到用户瞳孔看向屏幕,且瞳孔位置持续变化时,调整当前滚屏速度,直到检测到瞳孔位置不再变化。
- 根据权利要求6所述的基于眼部识别的自动调整滚屏速度的方法,其中所述方法还包括:当所述智能终端检测到机身位置突变或所述摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏。
- 根据权利要求7所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度,直到检测到瞳孔位置不再变化的步骤,具体包括:所述摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化。
- 根据权利要求7所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;当所述摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和。
- 根据权利要求7所述的基于眼部识别的自动调整滚屏速度的方法,其中所述调整当前滚屏速度的步骤,具体包括:在设置有双摄像头的智能终端上,计算出人眼与屏幕的距离绝对值,及瞳孔移动距离的绝对值;获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和。
- 一种基于眼部识别的自动调整滚屏速度的系统,其中所述系统包括:检测模块,用于智能终端进入阅读软件,进入滚屏阅读模式,在开始阅读后,智能终端的摄像头持续检测用户瞳孔位置变化;滚屏速度保持模块,用于当摄像头检测到用户瞳孔看向屏幕,且滚屏状态维持在一水平位置时,保持当前速度滚屏;滚屏速度调整模块,用于当摄像头检测到用户瞳孔看向屏幕,且瞳孔位置持续变化时,调整当前滚屏速度,直到检测到瞳孔位置不再变化。
- 根据权利要求11所述的基于眼部识别的自动调整滚屏速度的系统,其中所述系统还包括:控制模块,用于当智能终端检测到机身位置突变或摄像头检测到瞳孔未看向智能终端屏幕时,停止滚屏。
- 根据权利要求12所述的基于眼部识别的自动调整滚屏速度的系统,其中所述滚屏速度调整模块具体包括:第一速度调整单元,用于摄像头获取当前瞳孔移动方向,以一预定倍数调整当前滚屏速度至瞳孔反方向移动;检测与控制单元,用于继续检测瞳孔移动方向,重复执行上述步骤,直到检测到瞳孔位置不再变化。
- 根据权利要求12所述的基于眼部识别的自动调整滚屏速度的系统,其中所述滚屏速度调整模块具体包括:初始定位单元,用于预先获取用户瞳孔位置变化的范围与整个智能终端屏幕大小的的映射关系,完成初始定位;第一距离计算单元,用于当摄像头获取用户瞳孔位置变化的位移数据,根据映射关系,计算出对应观看智能终端屏幕内容的移动距离;第二速度调整单元,用于获取瞳孔位置变化的时间计算出相对阅读速度,将阅读速度调整为原始阅读速度和相对阅读速度之和。
- 根据权利要求12所述的基于眼部识别的自动调整滚屏速度的系统,其中所述滚屏速度调整模块具体包括:第二计算单元,用于在设置有双摄像头的智能终端上,计算出人眼与屏幕的距离绝对值及瞳孔移动距离的绝对值;第三距离计算单元,用于获取人的瞳孔与视网膜的距离,计算出对应观看智能终端屏幕内容的移动距离;第三速度调整单元,获取瞳孔位置变化的时间计算出相对阅读速度,将滚屏速度调整为原始阅读速度和相对阅读速度之和。
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