CN104571474B - A kind of method and apparatus adaptively adjusted to terminal screen display content - Google Patents
A kind of method and apparatus adaptively adjusted to terminal screen display content Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及终端领域，特别涉及一种对终端屏幕显示内容进行自适应调整的方法和装置。The present invention relates to the field of terminals, in particular to a method and device for adaptively adjusting display content on a terminal screen.
背景技术Background technique
现有技术中，对于终端屏幕上所显示的内容，可对其进行自适应调整。比如，可利用传感器检测终端所在环境内的光线强度等环境线索特征，并相应地对显示内容的显示亮度等进行调整。In the prior art, adaptive adjustment may be performed on the content displayed on the terminal screen. For example, the sensor can be used to detect the characteristics of environmental clues such as light intensity in the environment where the terminal is located, and adjust the display brightness of the displayed content accordingly.
但是，传感器的检测结果会受到环境中的各种因素的影响，从而导致检测结果不够准确，进而降低了调整结果的准确性。However, the detection result of the sensor will be affected by various factors in the environment, which will lead to inaccurate detection results, thereby reducing the accuracy of the adjustment results.
发明内容Contents of the invention
有鉴于此，本发明提供了一种对终端屏幕显示内容进行自适应调整的方法和装置，能够提高调整结果的准确性。In view of this, the present invention provides a method and device for adaptively adjusting the display content of a terminal screen, which can improve the accuracy of the adjustment result.
为达到上述目的，本发明的技术方案是这样实现的：In order to achieve the above object, technical solution of the present invention is achieved in that way:
一种对终端屏幕显示内容进行自适应调整的方法，包括：A method for adaptively adjusting content displayed on a terminal screen, comprising:
采集用户的眼部生物特征信息；Collect user's eye biometric information;
根据所述眼部生物特征信息确定用户的眼睛与所述屏幕之间的眼屏间距；determining the eye-screen distance between the user's eyes and the screen according to the eye biometric information;
根据所述眼屏间距对所述屏幕上的显示内容的预定参数进行调整。Predetermined parameters of content displayed on the screen are adjusted according to the eye-screen distance.
一种终端，包括：图像采集模块、处理模块和控制模块；A terminal, including: an image acquisition module, a processing module and a control module;
所述图像采集模块，用于采集用户的眼部生物特征信息，并发送给所述处理模块；The image collection module is used to collect the user's eye biometric information and send it to the processing module;
所述处理模块，用于根据所述眼部生物特征信息确定用户的眼睛与所述终端的屏幕之间的眼屏间距，并发送给所述控制模块；The processing module is configured to determine the eye-screen distance between the user's eyes and the screen of the terminal according to the eye biometric information, and send it to the control module;
所述控制模块，用于根据所述眼屏间距对所述屏幕上的显示内容的预定参数进行调整。The control module is configured to adjust predetermined parameters of the display content on the screen according to the eye-screen distance.
可见，采用本发明所述方案，可根据采集到的用户眼部生物特征信息来确定用户的眼睛与屏幕之间的眼屏间距，并根据眼屏间距来对屏幕上的显示内容的预定参数进行调整；相比于现有技术，本发明所述方案中所采用的调整依据更为客观和准确，从而提高了调整结果的准确性。It can be seen that by adopting the scheme of the present invention, the eye-screen distance between the user's eyes and the screen can be determined according to the collected user's eye biometric information, and the predetermined parameters of the displayed content on the screen can be adjusted according to the eye-screen distance. Adjustment: Compared with the prior art, the adjustment basis adopted in the scheme of the present invention is more objective and accurate, thereby improving the accuracy of the adjustment result.
附图说明Description of drawings
图1为本发明对终端屏幕显示内容进行自适应调整的方法实施例的流程图。FIG. 1 is a flow chart of an embodiment of a method for adaptively adjusting terminal screen display content according to the present invention.
图2为本发明所述虹膜外沿直径R’的示意图。Fig. 2 is a schematic diagram of the outer diameter R' of the iris of the present invention.
图3为本发明所述近似圆锥体以及视线重叠区域的示意图。FIG. 3 is a schematic diagram of the approximate cone and the overlapping area of the line of sight according to the present invention.
图4为本发明终端实施例的组成结构示意图。FIG. 4 is a schematic diagram of a composition structure of a terminal embodiment of the present invention.
具体实施方式detailed description
针对现有技术中存在的问题，本发明中提出一种对终端屏幕显示内容进行自适应调整的方案。Aiming at the problems existing in the prior art, the present invention proposes a solution for adaptively adjusting the content displayed on the terminal screen.
为了使本发明的技术方案更加清楚、明白，以下参照附图并举实施例，对本发明所述方案作进一步的详细说明。In order to make the technical solution of the present invention more clear and understandable, the solution of the present invention will be further described in detail below with reference to the accompanying drawings and examples.
图1为本发明对终端屏幕显示内容进行自适应调整的方法实施例的流程图。如图1所示，包括以下步骤：FIG. 1 is a flow chart of an embodiment of a method for adaptively adjusting terminal screen display content according to the present invention. As shown in Figure 1, the following steps are included:
步骤11：采集用户的眼部生物特征信息；Step 11: Collect user's eye biometric information;
步骤12：根据采集到的眼部生物特征信息确定用户的眼睛与终端的屏幕之间的眼屏间距；Step 12: Determine the eye-screen distance between the user's eyes and the screen of the terminal according to the collected eye biometric information;
步骤13：根据确定出的眼屏间距对屏幕上的显示内容的预定参数进行调整。Step 13: Adjust predetermined parameters of the content displayed on the screen according to the determined eye-screen distance.
另外，在步骤11的基础上，还可进一步进行以下处理：In addition, on the basis of step 11, the following processing can be further performed:
步骤14：根据采集到的眼部生物特征信息确定用户在屏幕上的视线焦点区域；Step 14: Determine the focus area of the user's line of sight on the screen according to the collected eye biometric information;
步骤15：对确定出的视线焦点区域内的显示内容的预定参数进行调整。Step 15: Adjusting predetermined parameters of the display content in the determined visual focus area.
其中，步骤12～13是对屏幕上的显示内容进行的整体性调整，而步骤14～15则是对局部显示内容进行的精细化调整。Among them, steps 12-13 are for overall adjustment of the display content on the screen, and steps 14-15 are for fine adjustment of partial display content.
以下分别对如何采集用户的眼部生物特征信息、如何进行整体性调整以及如何进行精细化调整进行详细说明。The following describes in detail how to collect the user's eye biometric information, how to make overall adjustments, and how to make fine adjustments.
一）采集用户的眼部生物特征信息1) Collect user's eye biometric information
本发明所述终端可为：手机、平板电脑（Pad）、个人计算机（PC，PersonalComputer）和电视等。The terminal described in the present invention may be: a mobile phone, a tablet computer (Pad), a personal computer (PC, Personal Computer), a television, and the like.
可利用终端上的前置摄像头（与屏幕共同朝向）来采集用户的眼部生物特征信息，或者，也可以专门设置一个图像采集装置，利用该图像采集装置来采集用户的眼部生物特征信息，如何进行采集为现有技术。The user's eye biometric information can be collected by using the front camera on the terminal (facing the same screen), or an image acquisition device can be specially set up to collect the user's eye biometric information. How to collect is a prior art.
采集到的用户的眼部生物特征信息可包括：虹膜外沿直径R’；如果需要进行精细化调整，则需要进一步包括：两个瞳孔间距D’以及瞳孔视线方向等。The collected user's eye biometric information may include: the outer diameter of the iris R'; if fine adjustment is required, it needs to further include: the distance between the two pupils D' and the direction of the pupil's line of sight, etc.
在实际进行采集时，采集到的R’通常为两个，一个对应于用户的左眼，一个对应于用户的右眼，两个R’的取值基本或完全相同，因此，可将任意一个眼睛对应的R’作为所需的R’，或者，也可以计算两个R’的平均值，将该平均值作为所需的R’，具体实现方式不作限制。In actual collection, there are usually two collected R's, one corresponding to the user's left eye and one corresponding to the user's right eye, and the values of the two R's are basically or completely the same. The R' corresponding to the eyes is used as the required R', or the average value of two R's can also be calculated, and the average value is used as the required R', and the specific implementation method is not limited.
另外，如果屏幕前存在多个用户的话，可以以离屏幕最近的用户为准，即将该用户的R’、D’和瞳孔视线方向作为所需的R’、D’和瞳孔视线方向。In addition, if there are multiple users in front of the screen, the user closest to the screen may prevail, that is, the user's R', D' and pupil line-of-sight direction as the required R', D' and pupil line-of-sight direction.
二）整体性调整2) Overall adjustment
首先，可根据采集到的眼部生物特征信息确定出用户的眼睛与屏幕（如中心点）之间的眼屏间距；之后，即可根据确定出的眼屏间距对屏幕上的显示内容的预定参数进行调整。First, the eye-screen distance between the user's eyes and the screen (such as the center point) can be determined according to the collected eye biometric information; after that, the display content on the screen can be scheduled according to the determined eye-screen distance. parameters to adjust.
人类眼球的整体尺寸在3岁以后即处于相对恒定的状态，因此可利用虹膜尺寸来确定眼屏间距，具体来说，即利用虹膜外沿直径R’来确定眼屏间距。图2为本发明所述虹膜外沿直径R’的示意图，r表示瞳孔外沿直径。The overall size of the human eyeball is in a relatively constant state after the age of 3, so the iris size can be used to determine the eye-screen distance, specifically, the iris outer diameter R' is used to determine the eye-screen distance. Fig. 2 is a schematic diagram of the outer diameter R' of the iris according to the present invention, where r represents the outer diameter of the pupil.
假设理想眼屏间距为L0，与之对应的采集到的理想虹膜外沿直径为R0，假设实际的眼屏间距为L’，与之对应的采集到的虹膜外沿直径为R’，那么，依据虹膜尺寸在人类中基本恒定的特性，则有：Suppose the ideal eye-screen distance is L0, and the corresponding collected ideal iris outer diameter is R0, assuming the actual eye-screen distance is L', and the corresponding collected iris outer diameter is R', then, According to the characteristics that the iris size is basically constant in humans, there are:
也就是说，如果已知L0、R0和R’，则可以计算出L’。That is, L' can be calculated if L0, R0, and R' are known.
而L0可以在终端出厂时即预置好，或者，也可由用户在初次使用终端的本发明所述功能时，根据自身情况，通过多次试验确定，一旦L0确定，R0也就确定，而R’为步骤11中采集到的。其中，对于不同的终端类型，L0的取值也会不同。And L0 can be preset when the terminal leaves the factory, or it can also be determined by the user through multiple tests according to his own situation when using the function of the present invention of the terminal for the first time. Once L0 is determined, R0 is also determined, and R ' is collected in step 11. Wherein, for different terminal types, the value of L0 will also be different.
相应地，本发明所述根据采集到的眼部生物特征信息确定用户的眼睛与屏幕之间的眼屏间距的方式可为：计算预先获取的R0与L0之商A0；计算R’与A0之商L’，将L’作为确定出的眼屏间距。Correspondingly, the method of determining the eye-screen distance between the user's eyes and the screen according to the collected eye biometric information in the present invention can be: calculating the quotient A0 of the pre-acquired R0 and L0; calculating the quotient A0 of R' and A0 The quotient L' is taken as the determined eye-screen distance.
之后，即可根据L’来对屏幕上的显示内容的预定参数进行调整，即：Afterwards, the preset parameters of the displayed content on the screen can be adjusted according to L', namely:
将眼屏间距L’与L0进行比较；Compare the eye-screen distance L' with L0;
如果L’小于L0，说明用户距离屏幕较近，小于理想距离，所述调整可包括但不限于以下之一或全部：减小屏幕上的显示内容的显示亮度、减小屏幕上的显示内容的显示比例；If L' is less than L0, it means that the user is closer to the screen than the ideal distance. The adjustment may include but not limited to one or all of the following: reducing the display brightness of the displayed content on the screen, reducing the brightness of the displayed content on the screen Zoom;
如果L’大于L0，说明用户距离屏幕较远，大于理想距离，所述调整可包括但不限于以下之一或全部：增大屏幕上的显示内容的显示亮度、增大屏幕上的显示内容的显示比例；If L' is greater than L0, it means that the user is far away from the screen, which is greater than the ideal distance. The adjustment may include but not limited to one or all of the following: increasing the display brightness of the displayed content on the screen, increasing the brightness of the displayed content on the screen Zoom;
如果L’等于L0，则可不用进行调整。If L' is equal to L0, no adjustment is necessary.
具体减少或增大多少可根据终端的类型以及用户使用该终端时的习惯等进行确定。The specific reduction or increase can be determined according to the type of the terminal and the habit of the user when using the terminal.
需要说明的是，本发明中所述的显示内容可为视频、图片或文本等，如果是视频，那么当采集不到用户的虹膜外沿直径为R’时，可认为用户由于某种原因离开了，未在屏幕前，因此可暂停视频的播放。It should be noted that the display content described in the present invention can be videos, pictures or texts, etc. If it is a video, when the outer edge diameter of the user's iris is R', it can be considered that the user has left for some reason. , not in front of the screen, so the video playback can be paused.
三）精细化调整3) Fine adjustment
首先，可根据采集到的眼部生物特征信息确定出用户在屏幕上的视线焦点区域；之后，可对视线焦点区域内的显示内容的预定参数进行调整。First, the focus area of the user's line of sight on the screen can be determined according to the collected eye biometric information; then, predetermined parameters of the display content in the focus area of the line of sight can be adjusted.
在实际应用中，可根据用户的两个瞳孔间距D’、瞳孔视线方向以及眼屏间距L’，确定出用户的两个眼睛在屏幕上的视线重叠区域，并将该视线重叠区域作为用户在屏幕上的视线焦点区域。In practical applications, according to the distance between the two pupils of the user D', the direction of the pupil's line of sight, and the distance L' between the eyes and the screen, the overlapping area of sight lines of the user's two eyes on the screen can be determined, and the overlapping area of sight lines of the user can be used as the The eye focus area on the screen.
如何根据上述参数确定出视线重叠区域为现有技术。How to determine the line-of-sight overlapping area according to the above parameters is a prior art.
比如：当用户舒适平视屏幕时，针对每个瞳孔，可分别视为形成一个以该瞳孔的中心为顶点、该瞳孔所在眼睛在屏幕上的视线关注区域为底面的近似圆锥体，两个近似圆锥体的底面的重合区域即为视线重叠区域，如图3所示，图3为本发明所述近似圆锥体以及视线重叠区域的示意图，结合D’、L’以及瞳孔视线方向，并经过相应的位置映射等，即可确定出视线重叠区域在屏幕上的大小和位置，其中，α表示瞳孔视线水平角度，β表示瞳孔视线垂直角度。For example, when the user is comfortably looking up at the screen, for each pupil, it can be regarded as forming an approximate cone with the center of the pupil as the vertex and the focus area of the eye on the screen where the pupil is located as the bottom surface, and two approximate cones The overlapping area of the bottom surface of the body is the overlapping area of sight, as shown in Figure 3, which is a schematic diagram of the approximate cone and the overlapping area of sight of the present invention, combined with D', L' and the direction of the pupil's line of sight, and passing through the corresponding Position mapping, etc., can determine the size and position of the sight-line overlapping area on the screen, where α represents the horizontal angle of the pupil's sight line, and β represents the vertical angle of the pupil's line of sight.
后续，即可对视线焦点区域内的显示内容的预定参数进行调整，所述调整包括但不限于以下之一或全部：Subsequently, the predetermined parameters of the display content in the focus area of sight can be adjusted, and the adjustment includes but is not limited to one or all of the following:
增大视线焦点区域内的显示内容的显示亮度；Increase the display brightness of the display content in the focus area of sight;
增大视线焦点区域内的显示内容的显示清晰度；Increase the display clarity of the display content in the focus area of sight;
增大视线焦点区域内的显示内容的显示比例，且放大系数可由视线焦点区域的中心辐射至边缘逐渐同步衰减。The display ratio of the display content in the focus area of sight is increased, and the magnification factor can be attenuated gradually and synchronously from the center of the focus area of sight to the edge.
具体增大多少可根据终端的类型以及用户使用该终端时的习惯等进行确定。The specific increase can be determined according to the type of the terminal and the habit of the user when using the terminal.
基于上述介绍，图4为本发明终端实施例的组成结构示意图。如图4所示，包括：图像采集模块41、处理模块42和控制模块43。Based on the above introduction, FIG. 4 is a schematic diagram of a composition structure of a terminal embodiment of the present invention. As shown in FIG. 4 , it includes: an image acquisition module 41 , a processing module 42 and a control module 43 .
图像采集模块41，用于采集用户的眼部生物特征信息，并发送给处理模块42；An image collection module 41, configured to collect the user's eye biometric information and send it to the processing module 42;
处理模块42，用于根据眼部生物特征信息确定用户的眼睛与终端的屏幕之间的眼屏间距，并发送给控制模块43；The processing module 42 is configured to determine the eye-screen distance between the user's eyes and the screen of the terminal according to the eye biometric information, and send it to the control module 43;
控制模块43，用于根据眼屏间距对屏幕上的显示内容的预定参数进行调整。The control module 43 is configured to adjust predetermined parameters of the displayed content on the screen according to the eye-screen distance.
其中，in,
眼部生物特征信息可包括：虹膜外沿直径R’；Eye biometric information may include: iris outer diameter R';
相应地，处理模块42计算预先获取的理想虹膜外沿直径R0与理想眼屏间距L0之商A0，并计算R’与A0之商L’，将L’作为确定出的眼屏间距。Correspondingly, the processing module 42 calculates the quotient A0 of the pre-acquired ideal iris outer diameter R0 and the ideal eye-screen distance L0, and calculates the quotient L' of R' and A0, and takes L' as the determined eye-screen distance.
另外，in addition,
处理模块42还可进一步用于，将L0发送给控制模块43；The processing module 42 may be further configured to send L0 to the control module 43;
相应地，控制模块43将L’与L0进行比较；Correspondingly, the control module 43 compares L' with L0;
如果L’小于L0，则进行以下之一调整或全部：减小屏幕上的显示内容的显示亮度、减小屏幕上的显示内容的显示比例；If L' is less than L0, then perform one or all of the following adjustments: reduce the display brightness of the display content on the screen, reduce the display ratio of the display content on the screen;
如果L’大于L0，则进行以下之一调整或全部：增大屏幕上的显示内容的显示亮度、增大屏幕上的显示内容的显示比例。If L' is greater than L0, perform one or all of the following adjustments: increase the display brightness of the displayed content on the screen, increase the display ratio of the displayed content on the screen.
再有，also,
处理模块42还可进一步用于，根据眼部生物特征信息确定用户在屏幕上的视线焦点区域，并发送给控制模块43；The processing module 42 can be further used to determine the focus area of the user's line of sight on the screen according to the eye biometric information, and send it to the control module 43;
相应地，控制模块43还可进一步用于，对视线焦点区域内的显示内容的预定参数进行调整。Correspondingly, the control module 43 can be further configured to adjust predetermined parameters of the display content in the focus area of sight.
具体地，specifically,
眼部生物特征信息还可进一步包括：两个瞳孔间距D’以及瞳孔视线方向；The eye biometric information may further include: two interpupillary distances D' and pupil line-of-sight direction;
处理模块42根据D’、瞳孔视线方向以及L’，确定用户的两个眼睛在屏幕上的视线重叠区域，并将该视线重叠区域作为视线焦点区域。The processing module 42 determines the overlapping area of sight lines of the user's two eyes on the screen according to D', the pupil line of sight direction, and L', and uses the overlapping area of sight lines as the focus area of sight lines.
其中，in,
针对视线焦点区域内的显示内容，控制模块43可进行以下之一调整或全部：For the display content in the focus area of sight, the control module 43 can adjust one or all of the following:
增大视线焦点区域内的显示内容的显示亮度；Increase the display brightness of the display content in the focus area of sight;
增大视线焦点区域内的显示内容的显示清晰度；Increase the display clarity of the display content in the focus area of sight;
增大视线焦点区域内的显示内容的显示比例。Increase the display scale of the display content in the focus area of the eye.
在实际应用中，当用户需要使用本发明所述的调整功能时，可通过某种方式向终端发出调整功能开启指令，相应地，终端即可周期性地执行本发明所述的调整功能，当不再需要使用本发明所述的调整功能时，通过某种方式向终端发出调整功能关闭指令即可。In practical applications, when the user needs to use the adjustment function described in the present invention, he can send an instruction to enable the adjustment function to the terminal in a certain way, and accordingly, the terminal can periodically execute the adjustment function described in the present invention. When it is no longer necessary to use the adjustment function described in the present invention, it is sufficient to send an instruction to close the adjustment function to the terminal in a certain way.
另外，本发明中所述的显示内容可包括：视频、图片、文本等，即对于各种不同类型的显示内容均适用。In addition, the display content described in the present invention may include: video, picture, text, etc., that is, it is applicable to various types of display content.
总之，采用本发明所述方案，可根据采集到的用户眼部生物特征信息来确定用户的眼睛与屏幕之间的眼屏间距，并根据眼屏间距来对屏幕上的显示内容的预定参数进行调整；相比于现有技术，本发明所述方案中所采用的调整依据更为客观和准确，从而提高了调整结果的准确性；而且，在根据眼屏间距对屏幕上的显示内容进行整体性调整的基础上，还可进一步进行局部的精细化调整，从而使得用户能够获取到更佳的使用体验；另外，本发明所述方案实现起来简单方便，从而便于普及和推广。In a word, by adopting the solution of the present invention, the eye-screen distance between the user's eyes and the screen can be determined according to the collected user's eye biometric information, and the predetermined parameters of the displayed content on the screen can be adjusted according to the eye-screen distance. adjustment; compared with the prior art, the adjustment basis adopted in the scheme of the present invention is more objective and accurate, thereby improving the accuracy of the adjustment result; On the basis of permanent adjustment, local fine-tuning can be further carried out, so that users can obtain a better experience; in addition, the solution of the present invention is simple and convenient to implement, thereby facilitating popularization and promotion.
综上所述，以上仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。To sum up, the above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
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