WO2024001503A1 - 屏幕控制方法、装置、显示设备、电子设备、程序及介质 - Google Patents

屏幕控制方法、装置、显示设备、电子设备、程序及介质 Download PDF

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Publication number
WO2024001503A1
WO2024001503A1 PCT/CN2023/091814 CN2023091814W WO2024001503A1 WO 2024001503 A1 WO2024001503 A1 WO 2024001503A1 CN 2023091814 W CN2023091814 W CN 2023091814W WO 2024001503 A1 WO2024001503 A1 WO 2024001503A1
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Prior art keywords
screen
heat source
user
infrared
environment
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PCT/CN2023/091814
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English (en)
French (fr)
Inventor
郝宗亮
陈建军
孟德宇
黎绪宗
柳裕
谷晓雷
Original Assignee
京东方科技集团股份有限公司
高创(苏州)电子有限公司
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Publication of WO2024001503A1 publication Critical patent/WO2024001503A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints

Definitions

  • the present disclosure belongs to the field of display technology, and particularly relates to a screen control method, device, display device, electronic device, program and medium.
  • the present disclosure provides a screen control method, device, display device, electronic device, program and medium.
  • Some embodiments of the present disclosure provide a screen control method, the method includes:
  • the screen is controlled to be adjusted to the position where only the user can See private display mode.
  • determining whether there is an intruder heat source other than the user's heat source in the environment based on the infrared information includes:
  • comparing the human heat source with the user heat source, and determining whether the intruder heat source exists in the environment based on the heat source comparison results includes:
  • determining whether the intruder heat source exists in the environment based on the infrared intensity difference value includes:
  • the infrared intensity difference value is greater than the infrared intensity difference threshold, it is determined that there is an intruder heat source in the environment;
  • the infrared intensity difference value is less than or equal to the infrared intensity difference threshold, it is determined that there is no intruder heat source in the environment.
  • controlling the screen to adjust to a privacy-preventing display mode visible only to the user includes:
  • the display brightness of the screen is adjusted to a target display brightness visible only to the user.
  • the method further includes:
  • the screen is controlled to return to the normal display mode.
  • Some embodiments of the present disclosure provide a display device, including: a screen, an infrared module, and a screen controller;
  • the infrared module is configured to collect infrared information of the environment where the screen is located when the screen displays an image, and send the infrared information to the screen controller;
  • the screen controller is configured to control the screen to adjust to the privacy-preventing display mode by executing the above-mentioned screen control method according to the infrared information.
  • the infrared module is arranged on the opposite surface to the light-emitting surface of the screen.
  • Some embodiments of the present disclosure provide a screen control device, which includes:
  • the input module is configured to obtain infrared information in the environment where the screen is located;
  • a processing module configured to determine whether there is an intruder heat source other than the user's heat source in the environment based on the infrared information
  • the control module is configured to control the screen to adjust to an anti-peep display mode visible only to the user when the intruder heat source exists in the environment.
  • processing module is also configured to:
  • processing module is also configured to:
  • processing module is also configured to:
  • the infrared intensity difference value is greater than the infrared intensity difference threshold, it is determined that there is an intruder heat source in the environment;
  • the infrared intensity difference value is less than or equal to the infrared intensity difference threshold, it is determined that there is no intruder heat source in the environment.
  • control module is also configured to:
  • control module is also configured to:
  • control module is also configured to:
  • Some embodiments of the present disclosure provide a computing processing device, including:
  • a memory having computer readable code stored therein;
  • One or more processors when the computer readable code is executed by the one or more processors, the computing processing device performs the above screen control method.
  • Some embodiments of the present disclosure provide a computer program, including computer readable code, which, when run on a computing processing device, causes the computing processing device to execute the screen control method as described above.
  • Some embodiments of the present disclosure provide a non-transitory computer-readable medium in which the screen control method as described above is stored.
  • the present disclosure provides a screen control method, device, display device, electronic device, program and medium that identifies heat sources in the environment based on infrared information in the environment where the screen is located to identify whether there are people other than the user in the environment.
  • the heat source of the intruder is detected, and the screen is automatically adjusted to an anti-peep display mode that is only visible to the user after identifying the heat source of the intruder. This allows the screen to be adjusted to the anti-peep display mode in a timely manner to prevent the screen display content from being intruded.
  • the risk of being seen by intruders increases the security of the content displayed on the screen.
  • Figure 1 schematically shows a flowchart of a screen control method provided by some embodiments of the present disclosure
  • Figure 2 schematically shows one of the flowcharts of another screen control method provided by some embodiments of the present disclosure
  • Figure 3 schematically shows the second schematic flowchart of another screen control method provided by some embodiments of the present disclosure
  • Figure 4 schematically shows the third flowchart of another screen control method provided by some embodiments of the present disclosure
  • Figure 5 schematically shows the effect of a screen control method provided by some embodiments of the present disclosure
  • Figure 6 schematically shows the structure of a display device provided by some embodiments of the present disclosure. picture
  • Figure 7 schematically shows a circuit diagram of another screen controller provided by some embodiments of the present disclosure.
  • Figure 8 schematically shows a schematic structural diagram of another display device provided by some embodiments of the present disclosure.
  • Figure 9 schematically shows a structural diagram of a screen control device provided by some embodiments of the present disclosure.
  • Figure 10 schematically illustrates a block diagram of a computing processing device for performing methods according to some embodiments of the present disclosure
  • Figure 11 schematically illustrates a storage unit for holding or carrying program code implementing methods according to some embodiments of the present disclosure.
  • Figure 1 schematically shows a flowchart of a screen control method provided by the present disclosure.
  • the method includes:
  • Step 101 Obtain infrared information in the environment where the screen is located.
  • the screen can be a variety of display screens, and can be an electronic device with a display function, such as a personal computer, a notebook, or a bastion machine.
  • the environment where the screen is located is the usage environment where the screen is located, which can be inside a house or outdoors. There are no strict restrictions on the usage environment. Any environment where the screen can be used is used in the embodiments of the present disclosure.
  • Infrared information refers to information related to infrared rays radiated outward by objects in the environment, such as infrared radiation intensity, infrared ray receiving direction, etc. The specific settings can be set according to actual needs and are not limited here.
  • the execution subject of some embodiments of the present disclosure may be a screen controller of the screen.
  • the screen controller is an electronic device used to control the screen display.
  • the screen controller may be provided separately from the screen, or may be Integrated settings are in the screen.
  • the infrared information in the environment where the screen is located can be detected through the connected infrared sensor, so that the screen controller can obtain the infrared information from the infrared sensor.
  • the infrared sensor can be set on the screen, or on the screen. In addition, and both are in the same environment as the screen, as long as it can be detected by infrared rays in the environment where the screen is located, it can be applied to the embodiments of the present disclosure, and is not limited here.
  • Step 102 Determine whether there is an intruder heat source other than the user's heat source in the environment based on the infrared information.
  • the user can collect his own infrared information through an infrared sensor through system configuration to enter the user heat source, or when the user turns on the screen or the electronic device where the screen is located, the system Automatically collects the human heat source in front of the screen through an infrared sensor as the user's heat source.
  • an intruder heat source is a user heat source other than the user heat source who is not authorized to view the screen.
  • the screen controller analyzes the infrared information to identify the human heat source, and then determines whether there is an intruder heat source in the current environment by identifying whether the identified human heat source is the user heat source. That is, if any human heat source is identified If the heat source is not a user heat source, it is determined that there is an intruder heat source in the environment where the screen is located. If it is recognized that all human heat sources are users, it is determined that there is no intruder heat source in the environment where the screen is located. It is worth noting that there can be one or more user heat sources, which means that the screen controller can set multiple user heat sources as user heat sources, so that multiple users can watch the screen at the same time without being blocked by other unauthorized users. The user peeks into what is displayed on the screen.
  • Step 103 When the intruder heat source exists in the environment, control the screen to adjust to an anti-peep display mode visible only to the user.
  • Embodiments of the present disclosure identify heat sources in the environment based on infrared information in the environment where the screen is located to identify whether there are heat sources of intruders other than the user in the environment, thereby automatically controlling the screen after identifying all intruder heat sources. Adjust to the anti-peep display mode that is only visible to the user, so that the screen can be adjusted to the anti-peep display mode in time, avoiding the risk of the screen display content being seen by intruders, and improving the security of the screen display content.
  • step 102 includes:
  • Step 1021 Compare the heat source in the infrared information with the reference human heat source to determine the human heat source in the environment.
  • the reference human heat source can be obtained by collecting the characteristics of infrared rays emitted by the human body in advance. It can be understood that due to the characteristic differences in the infrared rays radiated by different objects, the human heat source has significant radiation intensity and radiation range. Distinguished from non-human heat sources.
  • the screen controller can match the features of the reference human heat source with the heat source identified in the infrared information, and match the feature similarity to the matching conditions.
  • the heat source with the feature similarity greater than the similarity threshold is regarded as the human heat source, or the feature similarity is within Heat sources within the similarity threshold range are used as human heat sources.
  • the specific method can be set according to actual needs and is not limited here. Since this comparison is only for the preliminary screening of human heat sources that will participate in subsequent user heat source comparisons, the accuracy of the comparison can be appropriately relaxed to avoid failure to identify human heat sources due to excessive accuracy.
  • Step 1022 Compare the human heat source with the user heat source, and determine whether the intruder heat source exists in the environment based on the heat source comparison result.
  • the screen controller after the screen controller filters out the human heat source through the collected infrared information, it can compare the similarity between the human heat source and the preset user heat source again.
  • the comparison requirements can be consistent. It is more stringent than screening human heat sources to ensure the accuracy of the identified user heat sources.
  • Embodiments of the present disclosure identify user heat sources in the environment by first screening out human heat sources by referring to human personnel, and then screening out user heat sources from human heat sources, thereby ensuring the accuracy of user heat source identification.
  • step 1022 includes:
  • Step 10221 Compare the infrared radiation intensity of the human heat source and the user heat source to obtain an infrared intensity difference value.
  • infrared rays will weaken as the propagation path becomes longer. Therefore, the closer to the screen, the higher the intensity of infrared radiation in the collected infrared information. Therefore, viewing in a closer range in front of the screen
  • the infrared radiation intensity of the user of the screen is significantly different from the infrared radiation intensity of the intruder who is on the side of the screen or farther away from the screen.
  • Step 10222 Determine whether the intruder heat source exists in the environment based on the infrared intensity difference value.
  • the infrared intensity difference value may be a positive value or a negative value. It can be understood that there is a high probability of a certain deviation between the preset user heat source and the actual collected infrared radiation intensity of the user heat source. There is no perfect match, so it can be judged whether the human heat source is the user's heat source by analyzing the difference in infrared intensity.
  • step 10222 includes:
  • Step 102221 When the infrared intensity difference value is greater than the infrared intensity difference threshold, it is determined that there is an intruder heat source in the environment.
  • Step 102222 When the infrared intensity difference value is less than or equal to the infrared intensity difference threshold, it is determined that there is no intruder heat source in the environment.
  • the infrared embedded intensity difference threshold is the infrared radiation difference value that can exist between the actual user heat source allowed by the system and the preset user heat source. It can be understood that the smaller the infrared intensity difference value, the greater the probability that the human heat source is the user's heat source; conversely, the larger the infrared intensity difference value, the smaller the probability that the human heat source is the user's heat source.
  • step 103 may include: adjusting the display viewing angle of the screen to only the target display viewing angle of the user.
  • step 103 may include: adjusting the display brightness of the screen to a target display brightness visible only to the user.
  • the screen controller can adjust the display viewing angle of the screen by changing the screen display brightness, so that the screen display image can only be viewed by the user.
  • the display brightness of the screen can be adaptively adjusted according to the brightness of the environment. Therefore, the higher the brightness of the environment, the higher the brightness of the screen required when the user can view the image displayed on the screen. Therefore, the brightness of the screen display can be adjusted to Visible brightness at 20cm, 25cm, 30cm from the screen, etc.
  • the specific screen brightness adjustment method can also be set according to actual needs, and there is no limit here.
  • the disclosed embodiment adjusts the screen display brightness so that the content displayed on the screen can only be viewed by the user, thereby avoiding the risk of intruders snooping on the screen content and improving the security of the screen display content.
  • the method further includes: controlling the screen to return to the normal display mode when the intruder heat source does not exist in the environment.
  • the screen controller will continue to collect and analyze infrared information of objects in the environment after the screen switches to anti-peep display mode, and continue to determine whether there is an intruder in the environment through the above method.
  • the screen controller will automatically switch the screen from the anti-peep display mode to the normal display mode where the screen displays according to the original configuration. This ensures that the screen can maintain normal display effects when there are no intruders.
  • Figure 6 schematically shows a structural diagram of a display device 20 provided by the present disclosure, including: a screen 201, an infrared module 202, and a screen controller 203;
  • the infrared module 202 is configured to collect the location of the screen when the screen displays an image.
  • the infrared information of the environment is sent to the screen controller.
  • the screen controller 203 is configured to control the screen 201 to adjust to the privacy-preventing display mode through the above-mentioned screen control method according to the infrared information.
  • FIG. 7 shows a schematic circuit diagram of the screen controller in the present disclosure, in which the infrared module 202 is connected to the infrared controller.
  • the infrared controller inputs infrared information to the timing controller through the communication interface for electro-optical conversion. , sends the control command of the screen viewing angle to the screen control circuit, and also sends the infrared information to the LED control circuit, so that the LED control circuit can adjust the screen brightness and the timing controller can control the screen display angle.
  • the timing controller is also connected to a storage unit, which stores information such as the infrared radiation intensity and related distance of the user's heat source for query use by the timing controller.
  • the infrared module is disposed on the opposite surface of the light-emitting surface of the screen.
  • the infrared module 202 can be disposed under the screen on the light-emitting surface of the screen, and sends the collected infrared signal to the infrared signal processor 2031 in the screen controller 203 through an infrared signal transmission line.
  • the infrared signal processor 2031 identifies whether there is an intruder in the scene based on the infrared information. When there is an intruder, it controls the screen to adjust to the anti-peep display mode by sending a signal to the screen display controller in the screen controller 203.
  • Figure 9 schematically shows a structural diagram of a screen control device 30 provided by the present disclosure.
  • the device includes:
  • the input module 301 is configured to obtain infrared information in the environment where the screen is located;
  • the processing module 302 is configured to determine whether there is an intruder heat source other than the user heat source in the environment based on the infrared information;
  • the control module 303 is configured to control the screen to adjust to an anti-peep display mode visible only to the user when the intruder heat source exists in the environment.
  • processing module 302 is also configured to:
  • processing module 302 is also configured to:
  • processing module 302 is also configured to:
  • the infrared intensity difference value is greater than the infrared intensity difference threshold, it is determined that there is an intruder heat source in the environment;
  • the infrared intensity difference value is less than or equal to the infrared intensity difference threshold, it is determined that there is no intruder heat source in the environment.
  • control module 303 is also configured to:
  • control module 303 is also configured to:
  • the display brightness of the screen is adjusted to a target display brightness visible only to the user.
  • control module 303 is also configured to:
  • the screen is controlled to return to the normal display mode.
  • Embodiments of the present disclosure identify heat sources in the environment based on infrared information in the environment where the screen is located to identify whether there are heat sources of intruders other than the user in the environment, thereby automatically controlling the screen after identifying all intruder heat sources. Adjust to the anti-peep display mode that is only visible to the user, so that the screen can be adjusted to the anti-peep display mode in time, avoiding the risk of the screen display content being seen by intruders, and improving the security of the screen display content.
  • the device embodiments described above are only illustrative.
  • the units described as separate components may or may not be physically separated.
  • the components shown as units may or may not be physical units, that is, they may be located in One location, or it can be distributed across multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Persons of ordinary skill in the art can understand and implement the method without any creative effort.
  • Various component embodiments of the present disclosure may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof.
  • a microprocessor or a digital signal processor (DSP) may be used in practice to implement some or all functions of some or all components in a computing processing device according to embodiments of the present disclosure.
  • the present disclosure may also be implemented as an apparatus for performing part or all of the methods described herein or installation programs (e.g., computer programs and computer program products).
  • installation programs e.g., computer programs and computer program products.
  • Such a program implementing the present disclosure may be stored on a non-transitory computer-readable medium, or may be in the form of one or more signals. Such signals may be downloaded from an Internet website, or provided on a carrier signal, or in any other form.
  • Figure 10 illustrates a computing processing device that may implement methods in accordance with the present disclosure.
  • the computing processing device conventionally includes a processor 410 and a computer program product in the form of memory 420 or non-transitory computer-readable medium.
  • Memory 420 may be electronic memory such as flash memory, EEPROM (Electrically Erasable Programmable Read Only Memory), EPROM, hard disk, or ROM.
  • the memory 420 has a storage space 430 for program code 431 for executing any method steps in the above-described methods.
  • the storage space 430 for program codes may include individual program codes 431 respectively used to implement various steps in the above method. These program codes can be read from or written into one or more computer program products.
  • These computer program products include program code carriers such as hard disks, compact disks (CDs), memory cards or floppy disks. Such computer program products are typically portable or fixed storage units as described with reference to FIG. 11 .
  • the storage unit may have storage segments, storage spaces, etc. arranged similarly to the memory 420 in the computing processing device of FIG. 10 .
  • the program code may, for example, be compressed in a suitable form.
  • the storage unit includes computer readable code 431', ie code that can be read by, for example, a processor such as 410, which code, when executed by a computing processing device, causes the computing processing device to perform the methods described above. various steps.
  • any reference signs placed between parentheses shall not be construed as limiting the claim.
  • the word “comprising” does not exclude the presence of elements or steps not listed in a claim.
  • the word “a” or “an” preceding an element does not exclude the presence of a plurality of such elements.
  • the present disclosure may be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer. In the element claim enumerating several means, several of these means may be embodied by the same item of hardware.
  • the use of the words first, second, third, etc. does not indicate any order. These words can be interpreted as names.

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Abstract

本公开提供的屏幕控制方法、装置、显示设备、电子设备、程序及介质，属于显示技术领域。所述方法包括：获取屏幕所处环境中的红外信息；根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源；在所述环境中存在所述闯入者热源时，控制所述屏幕调整至仅使用者可见的防窥显示模式。

Description

屏幕控制方法、装置、显示设备、电子设备、程序及介质
相关申请的交叉引用
本公开要求在2022年6月29日提交中国专利局、申请号为202210750062.9、名称为“屏幕控制方法、装置、显示设备、电子设备、程序及介质”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开属于显示技术领域，特别涉及一种屏幕控制方法、装置、显示设备、电子设备、程序及介质。
背景技术
随着屏幕可显示的内容和应用的场景日益丰富，屏幕显示的信息安全性也凸显出来，用户在使用屏幕观看信息时，往往存在屏幕所显示信息被他人观看到的情况，难以信息的安全性。
相关技术中通常是通过热键和开关按钮，以供用户在查看私密信息时开启来对屏幕显示效果进行调整以起到防窥屏的作用，但是这种方式需要使用者主动地判定所显示内容和周围环境的私密性后进行控制操作，但因为人为疏忽或者环境条件的限制，很多时间使用者不能作出及时的判定，导致屏幕所显示内容无法及时得到保护。
发明内容
本公开提供的一种屏幕控制方法、装置、显示设备、电子设备、程序及介质。
本公开一些实施例提供一种屏幕控制方法，所述方法包括：
获取屏幕所处环境中的红外信息；
根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源；
在所述环境中存在所述闯入者热源时，控制所述屏幕调整至仅使用者可 见的防窥显示模式。
可选地，所述根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源，包括：
将红外信息中的热源与参考人类热源进行比对，确定所述环境中的人类热源；
将所述人类热源与所述使用者热源进行对比，依据热源比对结果判断所述环境中是否存在所述闯入者热源。
可选地，所述将所述人类热源与所述使用者热源进行对比，依据热源比对结果判断所述环境中是否存在所述闯入者热源，包括：
将所述人类热源与所述使用者热源的红外辐射强度进行比对，得到红外强度差异值；
依据所述红外强度差异值判断所述环境中是否存在所述闯入者热源。
可选地，所述依据所述红外强度差异值判断所述环境中是否存在所述闯入者热源，包括：
在所述红外强度差异值大于红外强度差异阈值时，确定所述环境中存在闯入者热源；
在所述红外强度差异值小于或等于红外强度差异阈值时，确定所述环境中不存在闯入者热源。
可选地，所述控制所述屏幕调整至仅使用者可见的防窥显示模式，包括：
将所述屏幕的显示视角调整至仅所述使用者的目标显示视角。
可选地，所述控制所述屏幕调整至仅使用者可见的防窥显示模式，包括：
将所述屏幕的显示亮度调整至仅所述使用者的可见的目标显示亮度。
可选地，在所述控制所述屏幕调整至仅使用者可见的防窥显示模式之后，所述方法还包括：
在所述环境中不存在所述闯入者热源时，控制所述屏幕恢复至正常显示模式。
本公开一些实施例提供一种显示设备，包括：屏幕、红外模组、屏幕控制器；
所述红外模组，被配置为在所述屏幕显示图像是采集所述屏幕所在环境的红外信息，并将所述红外信息发送至所述屏幕控制器；
所述屏幕控制器，被配置为根据所述红外信息，通过执行上述的屏幕控制方法控制所述屏幕调整至防窥显示模式。
可选的，所述红外模组设置在所述屏幕出光面的相对面。
本公开一些实施例提供一种屏幕控制装置，所述装置包括：
输入模块，被配置为获取屏幕所处环境中的红外信息；
处理模块，被配置为根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源；
控制模块，被配置为在所述环境中存在所述闯入者热源时，控制所述屏幕调整至仅使用者可见的防窥显示模式。
可选地，所述处理模块，还被配置为：
将红外信息中的热源与参考人类热源进行比对，确定所述环境中的人类热源；
将所述人类热源与所述使用者热源进行对比，依据热源比对结果判断所述环境中是否存在所述闯入者热源。
可选地，所述处理模块，还被配置为：
将所述人类热源与所述使用者热源的红外辐射强度进行比对，得到红外强度差异值；
依据所述红外强度差异值判断所述环境中是否存在所述闯入者热源。
可选地，所述处理模块，还被配置为：
在所述红外强度差异值大于红外强度差异阈值时，确定所述环境中存在闯入者热源；
在所述红外强度差异值小于或等于红外强度差异阈值时，确定所述环境中不存在闯入者热源。
可选地，所述控制模块，还被配置为：
将所述屏幕的显示视角调整至仅所述使用者的目标显示视角。
可选地，所述控制模块，还被配置为：
将所述屏幕的显示亮度调整至仅所述使用者的可见的目标显示亮度。
可选地，所述控制模块，还被配置为：
在所述环境中不存在所述闯入者热源时，控制所述屏幕恢复至正常显示模式。
本公开一些实施例提供一种计算处理设备，包括：
存储器，其中存储有计算机可读代码；
一个或多个处理器，当所述计算机可读代码被所述一个或多个处理器执行时，所述计算处理设备执行如上述的屏幕控制方法。
本公开一些实施例提供一种计算机程序，包括计算机可读代码，当所述计算机可读代码在计算处理设备上运行时，导致所述计算处理设备执行如上述的屏幕控制方法。
本公开一些实施例提供一种非瞬态计算机可读介质，其中存储了如上述的屏幕控制方法。
本公开提供的一种屏幕控制方法、装置、显示设备、电子设备、程序及介质，通过依据屏幕所处环境中的红外信息来识别环境中的热源来识别环境中是否存在除使用者之外的闯入者的热源，从而在识别都闯入者热源后自动控制屏幕调整至仅使用者可见的防窥显示模式，从而可以及时地将屏幕调整至防窥显示模式，避免了屏幕显示内容被闯入者看到的风险，提高了屏幕显示内容的安全性。
上述说明仅是本公开技术方案的概述，为了能够更清楚了解本公开的技术手段，而可依照说明书的内容予以实施，并且为了让本公开的上述和其它目的、特征和优点能够更明显易懂，以下特举本公开的具体实施方式。
附图简述
为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1示意性地示出了本公开一些实施例提供的一种屏幕控制方法的流程示意图；
图2示意性地示出了本公开一些实施例提供的另一种屏幕控制方法的流程示意图之一；
图3示意性地示出了本公开一些实施例提供的另一种屏幕控制方法的流程示意图之二；
图4示意性地示出了本公开一些实施例提供的另一种屏幕控制方法的流程示意图之三；
图5示意性地示出了本公开一些实施例提供的一种屏幕控制方法的效果示意图；
图6示意性地示出了本公开一些实施例提供的一种显示设备的结构示意 图；
图7示意性地示出了本公开一些实施例提供的另一种屏幕控制器的电路示意图；
图8示意性地示出了本公开一些实施例提供的另一种显示设备的结构示意图；
图9示意性地示出了本公开一些实施例提供的一种屏幕控制装置的结构示意图；
图10示意性地示出了用于执行根据本公开一些实施例的方法的计算处理设备的框图；
图11示意性地示出了用于保持或者携带实现根据本公开一些实施例的方法的程序代码的存储单元。
详细描述
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
图1示意性地示出了本公开提供的一种屏幕控制方法的流程示意图，所述方法包括：
步骤101，获取屏幕所处环境中的红外信息。
需要说明的是，屏幕可以是各种显示屏幕，可以是设置在个人电脑、笔记本、堡垒机上等具有显示功能的电子设备。屏幕所处的环境则为该屏幕所处的使用环境，可以是房屋内也可以是室外，对于使用环境没有严格限制，只要可以使用该屏幕的环境均是用于本公开实施例。红外信息是指环境中物体向外辐射的红外线的相关信息，例如红外辐射强度、红外线接收方向等，具体可以根据实际需求设置，此处不做限定。
可选地，本公开一些实施例的执行主体可以是屏幕的屏幕控制器，屏幕控制器是用于对屏幕显示进行控制的电子设备，该屏幕控制器可以与屏幕之间分开设置，也可以是集成设置在屏幕中。
在本公开实施例中，可通过所连接的红外传感器对屏幕所在环境中的红外信息，从而屏幕控制器可以从外红传感器获取红外信息，该红外传感器可以是设置在屏幕上，或者设在屏幕外，且均与屏幕处于同一环境，只要可以是屏幕所在环境的红外线进行检测均可适用于本公开实施例，此处不做限定。
步骤102，根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源。
在本公开实施例中，使用者热源可以是指该屏幕预先已授权观看屏幕的用户热源，可以理解不同用户的体温存在差异，因此可通过分析所采集到的红外信息中不同热源之间的差异来识别出使用者热源。该使用者热源还可以是屏幕正前方正在观看屏幕的用户热源，可以理解，使用者往往是正对屏幕进行观看的，而窥探屏幕的闯入者通常是处于屏幕侧边。该使用者热源还可以是用户预先录入的人类热源，例如用户可以通过系统配置来预先通过红外传感器采集自身红外信息以录入使用者热源，或者是在用户开启屏幕或屏幕所在的电子设备时，系统自动通过红外传感器采集屏幕前的人类热源来作为使用者热源。进一步的，闯入者热源则是除使用者热源之外的未被授权观看屏幕的用户热源。
具体的，屏幕控制器通过分析红外信息，以从中识别出人类热源后，通过辨别所识别到人类热源是否是使用者热源来确定当前环境中是否存在闯入者热源，即若识别到任一人类热源不是使用者热源，则确定屏幕所处环境中存在闯入者热源，若识别到所有人类热源是使用者人员，则确定屏幕所处环境中不存在闯入者热源。值得说明的是，使用者热源可以存在一个或多个，也就是说屏幕控制器可将多个用户热源设置为使用者热源，从而使得多个用户可以同时观看屏幕而不被未被授权的其他用户窥探到屏幕所显示的内容。
步骤103，在所述环境中存在所述闯入者热源时，控制所述屏幕调整至仅使用者可见的防窥显示模式。
在本公开实施例中，屏幕控制器在确认环境中存在闯入者热源之后，将主动控制屏幕调整显示方式。例如可以依据闯入者的红外信息计算闯入者距离屏幕的距离以及使用者的距离，从而将屏幕的亮度调整至仅使用者所处距离可见的亮度范围；可以将屏幕的可视范围调整至仅屏幕正前方可见的范围 内，从而使得仅在屏幕前进行观看的使用者可以观看到屏幕显示内容。当然此处仅是示例性描述，具体的防窥显示模式可以根据实际需求设置，只要可以起到防止闯入者窥探的作用即可，此处不做限定。
本公开实施例通过依据屏幕所处环境中的红外信息来识别环境中的热源来识别环境中是否存在除使用者之外的闯入者的热源，从而在识别都闯入者热源后自动控制屏幕调整至仅使用者可见的防窥显示模式，从而可以及时地将屏幕调整至防窥显示模式，避免了屏幕显示内容被闯入者看到的风险，提高了屏幕显示内容的安全性。
可选地，参照图2，所述步骤102，包括：
步骤1021，将红外信息中的热源与参考人类热源进行比对，确定所述环境中的人类热源。
在本公开实施例中，参考人类热源可以是预先通过对人体所发出红外线进行特征采集得到的，可以理解由于不同物体所辐射红外线存在特征差异，因此人类热源无论是辐射强度还是辐射范围都是显著区别于非人类热源的。
屏幕控制器可以通过将参考人类热源与红外信息中所识别到的热源进行特征匹配，将特征相似度符合匹配条件，例如特征相似度大于相似度阈值的热源作为人类热源，或者是特征相似度处于相似度阈值范围内的热源作为人类热源，具体方式可以根据实际需求设置，此处不做限定。由于本次比对仅是为了初步筛选出后续参与使用者热源比对的人类热源，因此比对的精度可以适当放宽，从而避免由于精度过高导致无法识别到人类热源。
步骤1022，将所述人类热源与所述使用者热源进行对比，依据热源比对结果判断所述环境中是否存在所述闯入者热源。
在本公开实施中，屏幕控制器在通过所采集到的红外信息筛选出人类热源后，可以再将人类热源与预先设置好的使用者热源再次进行相似度比对，本次比对要求可以相较于筛选人类热源更加严格，从而保证所识别到使用者热源的准确性。
本公开实施例通过首先通过参考人类人员筛选出人类热源后，再从人类热源中筛选出使用者热源的方式来识别环境中的使用者热源，从而保证了使用者热源识别的准确性。
可选地，参照图3，所述步骤1022，包括：
步骤10221，将所述人类热源与所述使用者热源的红外辐射强度进行比对，得到红外强度差异值。
在本公开实施例中，考虑红外线会随着传播路径的变长而减弱，因此到距离屏幕越近，所采集到的红外信息中的红外辐射强度越高，因此处于屏幕前方较近范围内观看屏幕的使用者的红外辐射强度，相较于处于屏幕的侧面或者是距离屏幕较远的闯入者的红外辐射强度存在明显差异。进而可通过将处于屏幕正前方较近距离查看屏幕的用户热源的红外辐射强度预先进行记录，从而在实际使用是将不同人类人员的红外强度与使用者热源的红外辐射强度进行比对，从而获得红外强度差异值。
步骤10222，依据所述红外强度差异值判断所述环境中是否存在所述闯入者热源。
在本公开实施例中，红外强度差异值可以是正值也可以是负值，可以理解由于预先设置的使用者热源与实际采集到的使用者热源的红外辐射强度之间大概率存在一定偏差，无法完全吻合，因此可通过分析红外强度差异值答大小判断人类热源是否是使用者热源。
本公开实施例通过利用人类热源与使用者热源的红外辐射强度进行比对来识别环境中是否存在使用者热源，从而提高了使用者热源识别的准确性。
可选地，参照图4，所述步骤10222，包括：
步骤102221，在所述红外强度差异值大于红外强度差异阈值时，确定所述环境中存在闯入者热源。
步骤102222，在所述红外强度差异值小于或等于红外强度差异阈值时，确定所述环境中不存在闯入者热源。
在本公开实施例中，红外嵌强度差异阈值是系统允许的实际使用者热源与预先设置的使用者热源之间可存在的红外辐射差异值。可以理解，红外强度差异值越小表明人类热源为使用者热源的概率越大，反之红外强度差异值越大表明人类热源为使用者热源的概率越小。
可选地，所述步骤103，可以包括：将所述屏幕的显示视角调整至仅所述使用者的目标显示视角。
在本公开实施例中，屏幕控制器可通过改变屏幕出光层的出光角度，从 而达到屏幕显示图像仅可供使用者观看的效果。具体的，由于一般使用者是在屏幕正前方90°～135°的视角范围内，因此可将显示视角调整至例如100°～120°的视角范围，或者是90°～120°的视角范围等，具体可以根据实际需求设置，此处不做限定。本公开实施例通过调整显示角度来达到屏幕所显示内容仅可供使用者观看，规避了闯入者窥探到屏幕内容的风险，提高了屏幕显示内容的安全性。
可选地，所述步骤103，可以包括，包括：将所述屏幕的显示亮度调整至仅所述使用者的可见的目标显示亮度。
屏幕控制器可通过改变屏幕显示亮度来调整屏幕的显示视角，从而达到屏幕显示图像仅可供使用者观看的效果。具体的，屏幕的显示亮度可以依据环境亮度来适应性调整，因此环境亮度越高，用户能观看到屏幕显示图像时所需的屏幕亮度也越高，因此可依据环境亮度将屏幕显示亮度调整至距离屏幕20cm、25cm、30cm等可见的亮度，具体屏幕亮度的调整方式同样可以根据实际需求设置，此处不做限定。本公开实施例通过调整屏幕显示亮度来达到屏幕所显示内容仅可供使用者观看，规避了闯入者窥探到屏幕内容的风险，提高了屏幕显示内容的安全性。
示例性的，参照图5，通过将屏幕切换至防窥显示模式，屏幕的亮度和显示角度相较于正常显示模式更小，从而达到防止除使用者以外的闯入者观看到屏幕所显示内容的效果。
可选地，在所述步骤103之后，所述方法还包括：在所述环境中不存在所述闯入者热源时，控制所述屏幕恢复至正常显示模式。
在本公开实施例中，屏幕控制器在屏幕切换至防窥显示模式后将持续对环境中的物体进行红外信息采集以及分析，通过上述的方式持续判断环境中是否存在闯入者，在环境中不存在闯入者，也就是闯入者热源从环境中离开时，屏幕控制器将自动将屏幕从防窥显示模式切换至屏幕按照原有配置进行显示的正常显示模式。从而保证屏幕可以是不存在闯入者时保持正常的显示效果。
图6示意性地示出了本公开提供的一种显示设备20的结构示意图，包括：屏幕201、红外模组202、屏幕控制器203；
所述红外模组202，被配置为在所述屏幕显示图像是采集所述屏幕所在 环境的红外信息，并将所述红外信息发送至所述屏幕控制器。
所述屏幕控制器203，被配置为根据所述红外信息，通过上述的屏幕控制方法控制所述屏幕201调整至防窥显示模式。
在本公开实施例中，参照图7示出本公开中屏幕控制器的电路示意图，其中红外模块202与红外控制器连接，红外控制器通过通信接口将红外信息输入至时序控制器进行电光转换后，将屏幕视角的控制指令发送给屏幕控制电路，并且还将红外信息发送给LED控制电路，以供LED控制电路对屏幕亮度进行调节，供时序控制器对屏幕显示角度进行控制。另外时序控制器还连接有存储单元，其中存储有使用者热源的红外辐射强度和相关距离等信息，以供时序控制器查询使用。
可选地，所述红外模组设置在所述屏幕出光面的相对面。
在本公开实施例中，参照图8，其中红外模组202可以设置在屏幕出光面的屏幕下，并且通过红外信号传输线将采集到的红外信号发送给屏幕控制器203中的红外信号处理器2031，红外信号处理器2031依据红外信息识别场景中是否存在闯入者，在存在闯入者时，通过向屏幕控制器203中的屏幕显示控制器发送信号来控制屏幕调整至防窥显示模式。
图9示意性地示出了本公开提供的一种屏幕控制装置30的结构示意图，所述装置包括：
输入模块301，被配置为获取屏幕所处环境中的红外信息；
处理模块302，被配置为根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源；
控制模块303，被配置为在所述环境中存在所述闯入者热源时，控制所述屏幕调整至仅使用者可见的防窥显示模式。
可选地，所述处理模块302，还被配置为：
将红外信息中的热源与参考人类热源进行比对，确定所述环境中的人类热源；
将所述人类热源与所述使用者热源进行对比，依据热源比对结果判断所述环境中是否存在所述闯入者热源。
可选地，所述处理模块302，还被配置为：
将所述人类热源与所述使用者热源的红外辐射强度进行比对，得到红外 强度差异值；
依据所述红外强度差异值判断所述环境中是否存在所述闯入者热源。
可选地，所述处理模块302，还被配置为：
在所述红外强度差异值大于红外强度差异阈值时，确定所述环境中存在闯入者热源；
在所述红外强度差异值小于或等于红外强度差异阈值时，确定所述环境中不存在闯入者热源。
可选地，所述控制模块303，还被配置为：
将所述屏幕的显示视角调整至仅所述使用者的目标显示视角。
可选地，所述控制模块303，还被配置为：
将所述屏幕的显示亮度调整至仅所述使用者的可见的目标显示亮度。
可选地，所述控制模块303，还被配置为：
在所述环境中不存在所述闯入者热源时，控制所述屏幕恢复至正常显示模式。
本公开实施例通过依据屏幕所处环境中的红外信息来识别环境中的热源来识别环境中是否存在除使用者之外的闯入者的热源，从而在识别都闯入者热源后自动控制屏幕调整至仅使用者可见的防窥显示模式，从而可以及时地将屏幕调整至防窥显示模式，避免了屏幕显示内容被闯入者看到的风险，提高了屏幕显示内容的安全性。
以上所描述的设备实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下，即可以理解并实施。
本公开的各个部件实施例可以以硬件实现，或者以在一个或者多个处理器上运行的软件模块实现，或者以它们的组合实现。本领域的技术人员应当理解，可以在实践中使用微处理器或者数字信号处理器(DSP)来实现根据本公开实施例的计算处理设备中的一些或者全部部件的一些或者全部功能。本公开还可以实现为用于执行这里所描述的方法的一部分或者全部的设备 或者装置程序(例如，计算机程序和计算机程序产品)。这样的实现本公开的程序可以存储在非瞬态计算机可读介质上，或者可以具有一个或者多个信号的形式。这样的信号可以从因特网网站上下载得到，或者在载体信号上提供，或者以任何其他形式提供。
例如，图10示出了可以实现根据本公开的方法的计算处理设备。该计算处理设备传统上包括处理器410和以存储器420形式的计算机程序产品或者非瞬态计算机可读介质。存储器420可以是诸如闪存、EEPROM(电可擦除可编程只读存储器)、EPROM、硬盘或者ROM之类的电子存储器。存储器420具有用于执行上述方法中的任何方法步骤的程序代码431的存储空间430。例如，用于程序代码的存储空间430可以包括分别用于实现上面的方法中的各种步骤的各个程序代码431。这些程序代码可以从一个或者多个计算机程序产品中读出或者写入到这一个或者多个计算机程序产品中。这些计算机程序产品包括诸如硬盘，紧致盘(CD)、存储卡或者软盘之类的程序代码载体。这样的计算机程序产品通常为如参考图11所述的便携式或者固定存储单元。该存储单元可以具有与图10的计算处理设备中的存储器420类似布置的存储段、存储空间等。程序代码可以例如以适当形式进行压缩。通常，存储单元包括计算机可读代码431’，即可以由例如诸如410之类的处理器读取的代码，这些代码当由计算处理设备运行时，导致该计算处理设备执行上面所描述的方法中的各个步骤。
应该理解的是，虽然附图的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，其可以以其他的顺序执行。而且，附图的流程图中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，其执行顺序也不必然是依次进行，而是可以与其他步骤或者其他步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
本文中所称的“一个实施例”、“实施例”或者“一个或者多个实施例”意味着，结合实施例描述的特定特征、结构或者特性包括在本公开的至少一个实施例中。此外，请注意，这里“在一个实施例中”的词语例子不一定全指同一个实施例。
在此处所提供的说明书中，说明了大量具体细节。然而，能够理解，本公开的实施例可以在没有这些具体细节的情况下被实践。在一些实例中，并未详细示出公知的方法、结构和技术，以便不模糊对本说明书的理解。
在权利要求中，不应将位于括号之间的任何参考符号构造成对权利要求的限制。单词“包含”不排除存在未列在权利要求中的元件或步骤。位于元件之前的单词“一”或“一个”不排除存在多个这样的元件。本公开可以借助于包括有若干不同元件的硬件以及借助于适当编程的计算机来实现。在列举了若干装置的单元权利要求中，这些装置中的若干个可以是通过同一个硬件项来具体体现。单词第一、第二、以及第三等的使用不表示任何顺序。可将这些单词解释为名称。
最后应说明的是：以上实施例仅用以说明本公开的技术方案，而非对其限制；尽管参照前述实施例对本公开进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本公开各实施例技术方案的精神和范围。

Claims (13)

  1. 一种屏幕控制方法，其特征在于，所述方法包括：
    获取屏幕所处环境中的红外信息；
    根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源；
    在所述环境中存在所述闯入者热源时，控制所述屏幕调整至仅使用者可见的防窥显示模式。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源，包括：
    将红外信息中的热源与参考人类热源进行比对，确定所述环境中的人类热源；
    将所述人类热源与所述使用者热源进行对比，依据热源比对结果判断所述环境中是否存在所述闯入者热源。
  3. 根据权利要求2所述的方法，其特征在于，所述将所述人类热源与所述使用者热源进行对比，依据热源比对结果判断所述环境中是否存在所述闯入者热源，包括：
    将所述人类热源与所述使用者热源的红外辐射强度进行比对，得到红外强度差异值；
    依据所述红外强度差异值判断所述环境中是否存在所述闯入者热源。
  4. 根据权利要求3所述的方法，其特征在于，所述依据所述红外强度差异值判断所述环境中是否存在所述闯入者热源，包括：
    在所述红外强度差异值大于红外强度差异阈值时，确定所述环境中存在闯入者热源；
    在所述红外强度差异值小于或等于红外强度差异阈值时，确定所述环境中不存在闯入者热源。
  5. 根据权利要求1所述的方法，其特征在于，所述控制所述屏幕调整至仅使用者可见的防窥显示模式，包括：
    将所述屏幕的显示视角调整至仅所述使用者的目标显示视角。
  6. 根据权利要求1所述的方法，其特征在于，所述控制所述屏幕调整 至仅使用者可见的防窥显示模式，包括：
    将所述屏幕的显示亮度调整至仅所述使用者的可见的目标显示亮度。
  7. 根据权利要求1所述的方法，其特征在于，在所述控制所述屏幕调整至仅使用者可见的防窥显示模式之后，所述方法还包括：
    在所述环境中不存在所述闯入者热源时，控制所述屏幕恢复至正常显示模式。
  8. 一种显示设备，其特征在于，包括：屏幕、红外模组、屏幕控制器；
    所述红外模组，被配置为在所述屏幕显示图像是采集所述屏幕所在环境的红外信息，并将所述红外信息发送至所述屏幕控制器；
    所述屏幕控制器，被配置为根据所述红外信息，通过执行所述权利要求1-8中任一所述的屏幕控制方法控制所述屏幕调整至防窥显示模式。
  9. 根据权利要求8所述的显示设备，其特征在于，所述红外模组设置在所述屏幕出光面的相对面。
  10. 一种屏幕控制装置，其特征在于，所述装置包括：
    输入模块，被配置为获取屏幕所处环境中的红外信息；
    处理模块，被配置为根据所述红外信息判断所述环境中是否存在除使用者热源以外的闯入者热源；
    控制模块，被配置为在所述环境中存在所述闯入者热源时，控制所述屏幕调整至仅使用者可见的防窥显示模式。
  11. 一种计算处理设备，其特征在于，包括：
    存储器，其中存储有计算机可读代码；
    一个或多个处理器，当所述计算机可读代码被所述一个或多个处理器执行时，所述计算处理设备执行如权利要求1-9中任一项所述的屏幕控制方法。
  12. 本公开一些实施例提供一种计算机程序，其特征在于，包括计算机可读代码，当所述计算机可读代码在计算处理设备上运行时，导致所述计算处理设备执行如权利要求1-9中任一项的所述的屏幕控制方法。
  13. 一种非瞬态计算机可读介质，其特征在于，其中存储了如权利要求1-9中任一项所述的屏幕控制方法的计算机程序。
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