WO2016070621A1 - 投影仪自适应调节方法及装置 - Google Patents

投影仪自适应调节方法及装置 Download PDF

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Publication number
WO2016070621A1
WO2016070621A1 PCT/CN2015/081179 CN2015081179W WO2016070621A1 WO 2016070621 A1 WO2016070621 A1 WO 2016070621A1 CN 2015081179 W CN2015081179 W CN 2015081179W WO 2016070621 A1 WO2016070621 A1 WO 2016070621A1
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Prior art keywords
brightness
adjustment
average value
user
contrast
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PCT/CN2015/081179
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English (en)
French (fr)
Inventor
曾慧鹏
范霞
庄佳麟
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中兴通讯股份有限公司
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Publication of WO2016070621A1 publication Critical patent/WO2016070621A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • 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
    • G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials

Definitions

  • This paper relates to the field of computers, and in particular to a method and device for adaptive adjustment of a projector.
  • the intelligent micro-projection product is also called a smart pico projector, and refers to a projector with a wireless fidelity (WIFI) Internet function and equipped with a smart operating system, an Android system.
  • WIFI wireless fidelity
  • Support multi-screen interaction can be shared with Android phones, Android tablet (PAD), Apple mobile phone (iPhone), Apple tablet (iPad), etc.; support one-click hotspot wireless access node (Access Point, referred to as AP) and WIFI Direct connection (DIRECT); it has multiple USB interfaces, supports USB keyboard and mouse, etc.; and has small size, easy operation, multi-function, multi-support, portable belt and so on.
  • the technology of intelligent projection is also constantly improving, and the functions will be continuously improved.
  • the brightness adjustment of the projection effect involves two aspects of image brightness and projection brightness.
  • the projection brightness of the associated projection product is adjusted by adjusting the current of the light-emitting diode (LED) lamp that is illuminated in the projector, thereby changing the brightness of the projection.
  • LED light-emitting diode
  • Most of the current projection products adopt the manual adjustment method or the brightness adjustment of the projection effect according to the automatic adjustment of the light feeling. Manual adjustment, often troublesome, time-consuming and laborious; and automatically adjust the projection brightness according to the light sense, in the specific environment of the surrounding light, relying on the automatic adjustment of the light sense to lose its effect.
  • the user may have some specific requirements according to the actual image. If some images are darker, the user prefers that the image is brighter and clearer, and some details can be clearly seen, for example. In the public security criminal investigation, a series of darker images are taken in the dark; while some image users want to be darker. If the image itself is very bright, the brightness of the projector itself is brighter in the current scene, when the user looks at the image. The eyes will feel uncomfortable.
  • the projector can adaptively adjust the brightness of the projection effect in the specific scene, it is bound to achieve a better user experience.
  • Embodiments of the present invention provide a projector adaptive adjustment method and apparatus to solve the problem of how to adaptively adjust the brightness of a projection effect in the above specific scene.
  • Embodiments of the present invention provide a method for adaptively adjusting a projector, including:
  • the brightness average value of the current image is obtained, and the absolute value of the difference between the brightness average value and the preset normal brightness average value is calculated;
  • the projection brightness and the brightness of the image itself are adjusted at the same time; if the absolute value is greater than or equal to the second preset threshold and less than the first preset threshold, only the projection brightness is adjusted. If the absolute value is greater than or equal to the third preset threshold and less than the second preset threshold, only the brightness of the image itself is adjusted, and if the absolute value is less than the third preset threshold, the brightness adjustment is prohibited;
  • the adaptively adjusted image data is sent to the projection module for projection.
  • the method further includes:
  • the method further includes:
  • the projector's adaptive adjustment function is turned on according to the user's operation, and the user is prompted to select to perform brightness adjustment and/or contrast adjustment, and perform corresponding operations according to the user's selection.
  • performing corresponding operations according to the user's selection includes:
  • the contrast adjustment is performed after the brightness adjustment of the projector is performed; or after the contrast adjustment is performed, the brightness adjustment of the projector is performed.
  • performing corresponding operations according to the user's selection includes:
  • Contrast adjustment is performed directly when the user selects only contrast adjustment.
  • adjusting the brightness of the projection and/or the brightness of the image itself includes:
  • the embodiment of the invention further provides a projector adaptive adjustment device, comprising:
  • a calculation module configured to obtain an average value of the brightness of the current image when the user selects the brightness adjustment, and calculate an absolute value of the difference between the brightness average value and the preset normal brightness average value;
  • the adjustment module is configured to adjust the brightness of the projection and the brightness of the image itself when the absolute value is greater than or equal to the first preset threshold; when the absolute value is greater than or equal to the second preset threshold and less than the first preset threshold, The projection brightness is continuously adjusted only.
  • the absolute value is greater than or equal to the third preset threshold and less than the second preset threshold, only the brightness of the image itself is adjusted, and when the absolute value is less than the third preset threshold, the brightness adjustment is prohibited. ;
  • the sending module is configured to send the adaptively adjusted image data to the projection module for projection.
  • the adjustment module is further configured to perform contrast adaptive adjustment on the image when the user selects to perform contrast adjustment.
  • the device further includes: a setting module configured to: before the user selects to perform brightness adjustment and/or contrast adjustment, turn on the adaptive adjustment function of the projector according to the user's operation, and prompt the user to select to perform brightness adjustment and / or contrast adjustment, and perform the appropriate operation according to the user's choice.
  • a setting module configured to: before the user selects to perform brightness adjustment and/or contrast adjustment, turn on the adaptive adjustment function of the projector according to the user's operation, and prompt the user to select to perform brightness adjustment and / or contrast adjustment, and perform the appropriate operation according to the user's choice.
  • the setting module is configured to perform the corresponding operation according to the user's selection by:
  • the user selects the brightness adjustment notification calculation module, and after knowing that the adjustment module completes the brightness adjustment, the user performs the contrast adjustment notification adjustment module; or the user selects the contrast adjustment notification adjustment module. And after knowing that the adjustment module completes the contrast adjustment, the user is notified of the brightness adjustment to the calculation module.
  • the setting module is configured to perform a corresponding operation according to a user's selection by:
  • the user selects the contrast adjustment notification adjustment module.
  • the adjustment module is set to:
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used in the above method.
  • the automatic brightness adjustment of the projector according to the light sense cannot achieve the purpose of adjusting the brightness of the projection effect, and the manual brightness adjustment operation is cumbersome.
  • the embodiment of the invention realizes the image in the projector.
  • the operation of the automatic projection effect adjustment includes automatic adjustment of the projection brightness, and/or image brightness adjustment.
  • the embodiment of the invention can automatically adjust the contrast of the image, thereby improving the user experience of using the projector.
  • FIG. 1 is a flowchart of a method for adaptively adjusting a projector according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a projector according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of detailed processing of a projector adaptive adjustment method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a projector adaptive adjustment apparatus according to an embodiment of the present invention.
  • the embodiment of the invention provides a method and device for adaptive adjustment of the projector.
  • the present invention will be described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • FIG. 1 is a flowchart of a projector adaptive adjustment method according to an embodiment of the present invention. As shown in FIG. 1, a projector according to an embodiment of the present invention is shown.
  • the adaptive adjustment method includes the following processing:
  • Step 101 When the user selects to perform brightness adjustment, obtain an average value of the brightness of the current image, and calculate an absolute value of the difference between the brightness average value and the preset normal brightness average value;
  • Step 102 If the absolute value is greater than or equal to the first preset threshold, adjust the projection brightness and the brightness of the image itself; if the absolute value is greater than or equal to the second preset threshold and less than the first preset threshold, only the projection The brightness is adjusted; if the absolute value is greater than or equal to the third preset threshold and less than the second preset threshold, only the brightness of the image itself is adjusted; if the absolute value is less than the third preset threshold, the brightness adjustment is prohibited;
  • step 102 adjusting the brightness of the projection and/or the brightness of the image itself includes:
  • step 103 the adaptively adjusted image data is projected.
  • the foregoing technical solution further includes:
  • an image contrast adjustment application can be installed on the projector.
  • the foregoing technical solution further includes:
  • step 101 the following processing can also be performed:
  • the brightness adjustment operation described in steps 101-102 is performed first, and then the contrast adjustment is performed. After the contrast adjustment is performed, step 103 is performed; or the contrast adjustment is performed first, and then step 101 is performed.
  • steps 101-103 are performed;
  • step 103 is performed.
  • the image processing function (ie, the above-mentioned adaptive adjustment function) can be selected in the setting module according to the application scenario; if the user does not perform the setting in advance, when the user starts to use the projector, the setting is The module can prompt the user if the function needs to be turned on; if the user does not select this function, select the No option and close the dialog box; if the user chooses to turn the function on, he can continue to select the brightness adjustment, contrast adjustment, or both of the image that needs to be performed. All adjustments are required; if the user chooses to turn on the function, the image data is adaptively adjusted before being converted to an HDMI signal.
  • FIG. 2 is a schematic structural diagram of a projector according to an embodiment of the present invention, as shown in FIG. 2, including a projection image data acquisition module, an adaptive adjustment module, and a projection module, wherein the projection image data acquisition module is mainly set as data for the projection image.
  • the acquisition is performed, and the adaptive adjustment module module adaptively adjusts the collected data, and then the image data is converted into an HDMI signal and sent to the projection module for projection.
  • the following is a detailed description of the process of adaptively adjusting the collected data by the adaptive adjustment module module.
  • the user selects to perform the brightness adjustment, set the normal average brightness value to A, and set the thresholds x1, x2, x3 (corresponding to the first preset threshold, the second preset threshold, and the third preset threshold) ).
  • the thresholds x1, x2, x3 corresponding to the first preset threshold, the second preset threshold, and the third preset threshold.
  • the contrast is adjusted while keeping the current image brightness unchanged, so that the image quality is more clear and distinct.
  • the user selects the projection function in the Sink application; the Sink application first checks whether the projection module is turned on, and if it is not turned on, turns it on; when the projection module is turned on, the Sink application informs the system that it is currently in the projection mode; the Sink application The setup menu pops up, and the user selects whether or not to perform adaptive processing before projection, including two options of brightness processing and contrast processing. And after the user selects to close; if the user chooses to perform brightness processing, the Sink application will perform image processing operations on the data in the underlying read Buffer.
  • the Sink application will perform contrast processing on the brightness processed data;
  • the data is converted into an HDMI signal and sent to the projection module to complete the clear display of the image.
  • FIG. 3 is a flowchart of detailed processing of a projector adaptive adjustment method according to an embodiment of the present invention. As shown in FIG. 2, the following processing is included:
  • step 301 it is determined whether the user needs to perform the adjustment of the projection effect. If the determination is yes, step 302 is performed, and if the determination is no, the operation is ended;
  • Step 302 Determine whether the user selects image brightness adjustment. If the determination is yes, perform steps. 303, if the determination is no, step 310 is performed;
  • Step 303 calculating a luminance average value of the projected image data minus a difference ⁇ of the normal luminance average value A;
  • Step 304 it is determined whether ⁇ X1 is established, if yes, step 312 is performed, if not, step 305 is performed;
  • Step 305 it is determined whether X1> ⁇ X2 is established, if yes, step 317 is performed, if not, step 306 is performed;
  • Step 306 it is determined whether X2> ⁇ ⁇ ⁇ ⁇ X3 is established, if yes, step 307 is performed, if not, step 310 is performed;
  • Step 307 it is determined whether ⁇ >0 is established, if it is established, step 308 is performed, if not, step 309 is performed;
  • Step 308 reducing the brightness of the image, step 310;
  • Step 309 increase the brightness of the image, step 310;
  • Step 310 Determine whether the user selects to adjust the image contrast. If the determination is yes, go to step 311. If the answer is no, end the operation.
  • Step 311 adjusting image contrast and ending the operation
  • Step 312 it is determined whether ⁇ >0 is established, if it is established, step 315 is performed, if not, step 313 is performed;
  • Step 314 increase the brightness of the image, step 310;
  • Step 315 lowering the projection brightness
  • Step 316 reducing the brightness of the image, step 310;
  • Step 317 it is determined whether ⁇ >0 is established, if it is established, step 318 is performed, if not, step 319 is performed;
  • Step 318 lower the projection brightness, step 310;
  • step 319 the projection brightness is increased, and step 310 is performed.
  • the technical solution of the embodiment of the present invention solves the problem that the projection product caused by the automatic brightness adjustment or the manual brightness adjustment of the projector according to the light sense in the related art has poor projection effect and cannot be clearly displayed during use.
  • the operation is cumbersome, and the automatic projection effect adjustment operation can be performed on the specific image in the projector, including the automatic adjustment of the projection brightness, the brightness adjustment of the image itself, and the contrast adjustment of the image itself, thereby improving the use of the projector when the image quality is not Good user experience.
  • FIG. 4 is a schematic structural diagram of a projector adaptive adjustment apparatus according to an embodiment of the present invention.
  • a projector according to an embodiment of the present invention is shown.
  • the adaptive adjustment device includes a calculation module 40, an adjustment module 42, and a transmission module 44. Each module of the embodiment of the present invention is described in detail below.
  • the calculating module 40 is configured to acquire an average value of the brightness of the current image when the user selects the brightness adjustment, and calculate an absolute value of the difference between the brightness average value and the preset normal brightness average value;
  • the adjusting module 42 is configured to adjust the brightness of the projection and the brightness of the image at the same time when the absolute value is greater than or equal to the first preset threshold; when the absolute value is greater than or equal to the second preset threshold and less than the first preset threshold The projection brightness is continuously adjusted.
  • the absolute value is greater than or equal to the third preset threshold and less than the second preset threshold, only the brightness of the image itself is adjusted.
  • the absolute value is less than the third preset threshold, the brightness is prohibited. Adjustment
  • the sending module 44 is configured to send the adaptively adjusted image data to the projection module for projection.
  • the adjusting module 42 is further configured to perform contrast adaptive adjustment on the image when the user selects the contrast adjustment;
  • the projector adaptive adjustment apparatus of the embodiment of the present invention may further include:
  • the setting module is set to turn on the adaptive adjustment function of the projector according to the user's operation before the user selects the brightness adjustment and/or the contrast adjustment, and prompts the user to select the brightness adjustment and/or the contrast adjustment, and according to the user's selection. Take the appropriate action.
  • the setting module is configured to: when the user selects to perform brightness adjustment and contrast adjustment, the user selects a brightness adjustment notification calculation module, and after learning that the adjustment module completes the brightness adjustment, the user performs a contrast adjustment notification adjustment module, or User chooses to adjust the contrast adjustment notification After the module is informed that the adjustment module completes the contrast adjustment, the user is notified of the brightness adjustment notification module; when the user selects the brightness adjustment, the user selects the brightness adjustment notification calculation module; when the user selects the contrast adjustment, the user selects Perform a contrast adjustment notification adjustment module.
  • the adjustment adjustment adjustment module 42 is configured to: when the difference between the brightness average value and the preset normal brightness average value is positive, confirm that the brightness is too high, and perform a dimming operation until the brightness average value is equal to the preset normal brightness. Average value; when the difference between the brightness average value and the preset normal brightness average value is negative, it is confirmed that the brightness is too dark, and the brightness adjustment operation is performed until the brightness average value is equal to the preset normal brightness average value.
  • the automatic brightness adjustment of the projector according to the light sense cannot achieve the purpose of adjusting the brightness of the projection effect, and the manual brightness adjustment operation is cumbersome.
  • the embodiment of the invention realizes the image in the projector.
  • the operation of the automatic projection effect adjustment includes automatic adjustment of the projection brightness, and/or image brightness adjustment.
  • the embodiment of the invention also realizes automatic adjustment of the contrast of the image, thereby improving the user experience of using the projector.
  • modules in the client in the embodiment can be adaptively changed and placed in one or more clients different from the embodiment.
  • the modules in the embodiments can be combined into one module, and further they can be divided into a plurality of sub-modules or sub-units or sub-components.
  • any combination of the features disclosed in the specification, including the accompanying claims, the abstract and the drawings, and any methods so disclosed, or All processes or units of the client are combined.
  • Each feature disclosed in this specification may be replaced by alternative features that provide the same, equivalent or similar purpose.
  • the various component embodiments of the present invention may be implemented in hardware, or in a software module running on one or more processors, or in a combination thereof.
  • a microprocessor or digital signal processor may be used in practice to implement some or all of the functionality of some or all of the components loaded with the ordered web address in accordance with an embodiment of the present invention.
  • the invention can also be implemented as a device or device program (e.g., a computer program and a computer program product) for performing some or all of the methods described herein.
  • a program implementing the invention may be stored on a computer readable medium or may be in the form of one or more signals. Such signals may be downloaded from an Internet website, provided on a carrier signal, or provided in any other form.
  • the above technical solution realizes an operation of adjusting an automatic projection effect on an image in a projector, including automatic adjustment of projection brightness, and/or image brightness adjustment; in addition, the above technical solution also realizes automatic adjustment of image contrast; The user experience of using the projector.

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Abstract

一种投影仪自适应调节方法及装置。该方法包括：在用户选择进行亮度调节时，获取当前图像的亮度平均值，并计算亮度平均值与预先设置的正常亮度平均值之差的绝对值；如果绝对值大于或等于第一预设阈值，则同时对投影亮度和图像本身亮度进行调节；如果绝对值大于或等于第二预设阈值且小于第一预设阈值，则仅对投影亮度进行调节，如果绝对值大于或等于第三预设阈值且小于第二预设阈值，则仅对图像本身亮度进行调节，如果绝对值小于第三预设阈值，则禁止进行亮度调节；将自适应调节后的图像数据发送到投影模块进行投影。上述技术方案实现了对投影仪中的图像进行自动投影效果调节的操作，提高了使用投影仪的用户体验度。

Description

投影仪自适应调节方法及装置 技术领域
本文涉及计算机领域，特别是涉及一种投影仪自适应调节方法及装置。
背景技术
在相关技术中，智能微型投影产品也称为智能微型投影机，是指新增了无线保真(Wireless Fidelity，简称为WIFI)上网功能并搭载了智能操作系统的投影机，安卓(Android)系统是目前运用到这一系列产品中较为广泛的智能操作系统。支持多屏互动，可以与安卓手机、安卓平板电脑(PAD)、苹果手机(iPhone)、苹果平板电脑(iPad)等互联共享；支持一键热点无线访问节点(Access Point，简称为AP)及WIFI直连(DIRECT)；其具有多USB接口，支持USB键盘和鼠标等；并且具有体积小、易操作、多功能、多支持、便携带等特点。目前，智能投影的技术也在不断的进步，功能也将不断的完善。
投影效果的亮度调节涉及到图像亮度、投影亮度两个方面。相关的投影产品的投影亮度是通过调节投影仪中发光的发光二极管(LED)灯的电流，进而调节功率，从而使投影亮度发生变化。然而如果调大功率，势必增加功耗，减少电池的续航时间；调小功率，可减少功耗，然又可能会导致图像显示不清。目前的投影产品大都采用手动调节的方式或根据光感自动调节的方式进行投影效果亮度调节。手动调节，往往麻烦，费时费力；而根据光感进行自动调节投影亮度，在周围光线一定这种特定环境下，依靠光感自动调节失去作用。
此外，上述特定环境下的投影仪使用过程中，用户根据实际图像的不同会有些具体要求，有些图像如果比较暗，用户更希望图像亮一些，更清晰一些，可以清楚地看到一些细节，例如，公安刑侦时在暗处拍到一系列较暗的图像；而有些图像用户则希望暗一些，如果图像本身很亮，投影仪本身的亮度在当前场景下也比较亮，这时用户看图像时眼睛就会有所不适。
综上所述，如果在所述特定场景下，如果投影仪能够对投影效果的亮度进行自适应调节，势必能达到更好的用户体验。
发明内容
本发明实施例提供了一种投影仪自适应调节方法及装置，以解决如何实现在上述特定场景下自适应地对投影效果的亮度进行调节的问题调节。
本发明实施例提供一种投影仪自适应调节方法，包括：
在用户选择进行亮度调节时，获取当前图像的亮度平均值，并计算亮度平均值与预先设置的正常亮度平均值之差的绝对值；
如果绝对值大于或等于第一预设阈值，则同时对投影亮度和图像本身亮度进行调节；如果绝对值大于或等于第二预设阈值且小于第一预设阈值，则仅对投影亮度进行调节，如果绝对值大于或等于第三预设阈值且小于第二预设阈值，则仅对图像本身亮度进行调节，如果绝对值小于第三预设阈值，则禁止进行亮度调节；
将自适应调节后的图像数据发送到投影模块进行投影。
可选地，所述方法还包括：
在用户选择进行对比度调节时，对图像进行对比度自适应调节。
可选地，所述方法还包括：
在用户选择进行亮度调节和/或对比度调节之前，根据用户的操作打开投影仪的自适应调节功能，并向用户提示选择进行亮度调节和/或对比度调节，以及根据用户的选择执行相应操作。
可选地，根据用户的选择执行相应操作包括：
在用户选择进行亮度调节和对比度调节时，在进行投影仪的亮度调节后，进行对比度调节；或在进行对比度调节后，进行投影仪的亮度调节。
可选地，根据用户的选择执行相应操作包括：
在用户选择仅进行对比度调节时，直接进行对比度调节。
可选地，对投影亮度和/或图像本身亮度进行调节包括：
在亮度平均值与预先设置的正常亮度平均值之间的差值为正时，确认亮度过高，进行调暗操作，直至亮度平均值等于预先设置的正常亮度平均值；
在亮度平均值与预先设置的正常亮度平均值之间的差值为负时，确认亮度过暗，进行调亮操作，直至亮度平均值等于预先设置的正常亮度平均值。
本发明实施例还提供了一种投影仪自适应调节装置，包括：
计算模块，设置为在用户选择进行亮度调节时，获取当前图像的亮度平均值，并计算亮度平均值与预先设置的正常亮度平均值之差的绝对值；
调节模块，设置为在绝对值大于或等于第一预设阈值时，则同时对投影亮度和图像本身亮度进行调节；在绝对值大于或等于第二预设阈值且小于第一预设阈值时，仅对投影亮度继续调节，在绝对值大于或等于第三预设阈值且小于第二预设阈值时，仅对图像本身亮度进行调节，在绝对值小于第三预设阈值时，禁止进行亮度调节；
发送模块，设置为将自适应调节后的图像数据发送到投影模块进行投影。
可选地，所述调节模块，还设置为在用户选择进行对比度调节时，对图像进行对比度自适应调节。
可选地，所述装置还包括：设置模块，设置为在用户选择进行亮度调节和/或对比度调节之前，根据用户的操作打开投影仪的自适应调节功能，并向用户提示选择进行亮度调节和/或对比度调节，以及根据用户的选择执行相应操作。
可选地，设置模块是设置为通过如下方式实现根据用户的选择执行相应操作：
在用户选择进行亮度调节和对比度调节时，将用户选择进行亮度调节通知计算模块，并在获知调节模块完成亮度调节后，将用户进行对比度调节通知调节模块；或将用户选择进行对比度调节通知调节模块，并在获知调节模块完成对比度调节后，将用户进行亮度调节通知计算模块。
可选地，所述设置模块是设置为通过如下方式实现根据用户的选择执行相应操作：
在用户选择对比度调节时，将用户选择进行对比度调节通知调节模块。
可选地，调节模块是设置为：
在亮度平均值与预先设置的正常亮度平均值之间的差值为正时，确认亮度过高，进行调暗操作，直至亮度平均值等于预先设置的正常亮度平均值；
在亮度平均值与预先设置的正常亮度平均值之间的差值为负时，确认亮度过暗，进行调亮操作，直至亮度平均值等于预先设置的正常亮度平均值。
本发明实施例还提供了一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于上述的方法。
本发明实施例有益效果如下：
相对相关技术中在特定场景下，投影仪根据光感进行自动亮度调节无法起到投影效果亮度调节的目的，以及手动亮度调节操作繁琐的问题，本发明实施例实现了对投影仪中的图像进行自动投影效果调节的操作，包括投影亮度的自动调节、和/或图像亮度调节，此外，本发明实施例还可以对图像的对比度进行自动调节，提高了使用投影仪的用户体验度。
附图概述
图1是本发明实施例的投影仪自适应调节方法的流程图；
图2是本发明实施例的投影仪结构示意图；
图3是本发明实施例的投影仪自适应调节方法的详细处理的流程图；
图4是本发明实施例的投影仪自适应调节装置的结构示意图。
本发明的较佳实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
为了解决相关技术中在特定场景下无法对投影效果的亮度进行自适应调 节的问题，本发明实施例提供了一种投影仪自适应调节方法及装置。以下结合附图以及实施例，对本发明进行详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不限定本发明。
方法实施例
根据本发明的实施例，提供了一种投影仪自适应调节方法，图1是本发明实施例的投影仪自适应调节方法的流程图，如图1所示，根据本发明实施例的投影仪自适应调节方法包括如下处理：
步骤101，在用户选择进行亮度调节时，获取当前图像的亮度平均值，并计算亮度平均值减去预先设置的正常亮度平均值之差的绝对值；
步骤102，如果绝对值大于或等于第一预设阈值，则同时对投影亮度和图像本身亮度进行调节；如果绝对值大于或等于第二预设阈值且小于第一预设阈值，则仅对投影亮度进行调节；如果绝对值大于或等于第三预设阈值且小于第二预设阈值，则仅对图像本身亮度进行调节；如果绝对值小于第三预设阈值，则禁止进行亮度调节；
在步骤102中，对投影亮度和/或图像本身亮度进行调节包括：
在亮度平均值与预先设置的正常亮度平均值之间的差值为正时，确认亮度过高，进行调暗操作，直至亮度平均值等于预先设置的正常亮度平均值；
在亮度平均值与预先设置的正常亮度平均值之间的差值为负时，确认亮度过暗，进行调亮操作，直至亮度平均值等于预先设置的正常亮度平均值。
步骤103，将自适应调节后的图像数据进行投影。
可选的，上述技术方案还包括：
在用户选择进行对比度调节时，对图像进行对比度自适应调节；
有时候图像虽然亮暗适中，但整个图像亮度平均，无法清晰区分图像中的不同物体，这时就需要对图像的对比度进行调节等等，通过调节图像的对比度可优化图像的可视效果。为实现图像的对比度调节，可在投影仪上安装图像对比度调节应用程序。
可选的，上述技术方案还包括：
在步骤101之前，还可以进行如下处理：
根据用户的操作打开投影仪的自适应调节功能，并向用户提示选择进行亮度调节和/或对比度调节。
在用户选择进行亮度调节和对比度调节时，先执行步骤101-102所述的亮度调节操作，再执行对比度调节，在执行完对比度调节后，执行步骤103；或先执行对比度调节，再执行步骤101-102所述的亮度调节操作，在执行完亮度调节后，执行步骤103；
在用户选择仅进行亮度调节时，执行步骤101-103；
在用户选择仅进行对比度调节时，执行对比度调节，在执行完对比度调节后，执行步骤103。
以下结合附图，对本发明实施例的上述技术方案进行详细说明。
当用户使用投影仪进行投影时，可根据其应用场景在设置模块选择是否打开图像处理功能(即，上述自适应调节功能)；如果用户没有事先进行设定，当用户开始使用投影仪时，设置模块可提示用户是否需要打开此功能；如果用户不选择此功能，选No选项，并关闭对话框；如果用户选择打开该功能时，可继续选择需要进行图像的亮度调节、对比度调节、或两者均要进行调节；如果用户选择打开该功能时，图像数据在转为HDMI信号之前进行相应的自适应调节工作。
图2是本发明实施例的投影仪结构示意图，如图2所示，包括投影图像数据采集模块、自适应调节模块、以及投影模块，其中，投影图像数据采集模块主要设置为对投影图像的数据进行采集，自适应调节模块模块将采集的数据进行自适应调节，随后图像数据转为HDMI信号发送给投影模块进行投影。下面对自适应调节模块模块将采集的数据进行自适应调节的处理进行详细说明。
可选地，当用户选择进行亮度调节时，设置正常平均亮度值为A，并设置阈值x1，x2，x3(对应于上述第一预设阈值、第二预设阈值、以及第三预设阈值)。当检测到当前图像的平均亮度值与A之差的绝对值大于或等于x1 时此时会同时对投影亮度和图像本身亮度进行调节，先调节投影亮度，随后调节图像亮度；当该差值为正时，认为亮度过高，则需进行调暗的操作；如果差值为负，认为亮度过暗，需进行调亮操作；
如果检测到当前图像的平均亮度值与A之差的绝对值大于或等于x2且小于x1时，则只需要调节投影亮度；同样，当该差值为正时，认为亮度过高，则需进行调暗的操作；如果差值为负，认为亮度过暗，需进行调亮操作；
如果检测到当前图像的平均亮度值与A之差的绝对值大于或等于x3且小于x2时，则只需简单通过调节图像亮度来进行微调；同样，当该差值为正时，认为亮度过高，则需进行调暗的操作；如果差值为负，认为亮度过暗，需进行调亮操作；
如果检测到当前图像的平均亮度值与A之差的绝对值小于x3时，则不进行调节。
当用户选择需进行对比度调节时，则在保持当前图像亮度不变的情况下调节对比度，以使的图像质量更加清晰分明。
在实际应用中，用户在Sink应用中选择了开启投影功能；Sink应用首先检查投影模块是否开启，如果没开启的话则开启它；当投影模块开启后，Sink应用告知系统目前处于投影模式；Sink应用弹出设置菜单，由用户选择是否需要进行投影前的自适应处理，包括进行亮度处理和对比度处理两个选项。并在用户选择后关闭；如果用户选择了要进行亮度处理，则Sink应用会将底层读取Buffer中的数据进行图像处理操作。根据图像处理所得结果，对投影仪的发光Led电流进行调节，或对原图像进行亮度调节；如果用户选择了要进行对比度调节，则Sink应用会将亮度处理后的数据做对比度处理；处理后的数据转换为HDMI信号发送到投影模块，完成图像的清晰显示。
图3是本发明实施例的投影仪自适应调节方法的详细处理的流程图，如图2所示，包括如下处理：
步骤301，判断用户是否选择需要进行投影效果调节，如果判断为是，执行步骤302，如果判断为否结束操作；
步骤302，判断用户是否选择图像亮度调节，如果判断为是，执行步骤 303，如果判断为否，执行步骤310；
步骤303，计算投影图像数据的亮度平均值减去正常亮度平均值A的差值Δ；
步骤304，判断ΙΔΙ≥X1是否成立，如果成立，执行步骤312，如果不成立，执行步骤305；
步骤305，判断X1﹥ΙΔΙ≥X2是否成立，如果成立，执行步骤317，如果不成立，执行步骤306；
步骤306，判断X2﹥ΙΔΙ≥X3是否成立，如果成立，执行步骤307，如果不成立，执行步骤310；
步骤307，判断Δ﹥0是否成立，如果成立，执行步骤308，如果不成立，执行步骤309；
步骤308，调低图像亮度，执行步骤310；
步骤309，调高图像亮度，执行步骤310；
步骤310，判断用户是否选择进行图像对比度的调节，如果判断为是，执行步骤311，如果判断为否，结束操作；
步骤311，调节图像对比度，结束操作；
步骤312，判断Δ﹥0是否成立，如果成立，执行步骤315，如果不成立，执行步骤313；
步骤313，调高投影亮度；
步骤314，调高图像亮度，执行步骤310；
步骤315，调低投影亮度；
步骤316，调低图像亮度，执行步骤310；
步骤317，判断Δ﹥0是否成立，如果成立，执行步骤318，如果不成立，执行步骤319；
步骤318，调低投影亮度，执行步骤310；
步骤319，调高投影亮度，执行步骤310。
综上所述，借助于本发明实施例的技术方案，解决了相关技术中投影仪根据光感进行自动亮度调节或手动亮度调节而导致的投影产品在使用过程中投影效果较差、无法清晰显示、操作繁琐的问题，能够对投影仪中的具体图像进行自动投影效果调节的操作，包括投影亮度的自动调节、图像本身亮度调节以及图像本身的对比度调节，从而提高了使用投影仪当画质不好时的用户体验度。
装置实施例
根据本发明的实施例，提供了一种投影仪自适应调节装置，图4是本发明实施例的投影仪自适应调节装置的结构示意图，如图4所示，根据本发明实施例的投影仪自适应调节装置包括：计算模块40、调节模块42、以及发送模块44，以下对本发明实施例的每个模块进行详细的说明。
计算模块40，用于在用户选择进行亮度调节时，获取当前图像的亮度平均值，并计算亮度平均值与预先设置的正常亮度平均值之差的绝对值；
调节模块42，用于在绝对值大于或等于第一预设阈值时，则同时对投影亮度和图像本身亮度进行调节；在绝对值大于或等于第二预设阈值且小于第一预设阈值时，仅对投影亮度继续调节，在绝对值大于或等于第三预设阈值且小于第二预设阈值时，仅对图像本身亮度进行调节，在绝对值小于第三预设阈值时，禁止进行亮度调节；
发送模块44，用于将自适应调节后的图像数据发送到投影模块进行投影。
可选的，上述调节模块42，还设置为在用户选择进行对比度调节时，对图像进行对比度自适应调节；
可选的，本发明实施例的投影仪自适应调节装置还可以包括：
设置模块，设置为在用户选择进行亮度调节和/或对比度调节之前，根据用户的操作打开投影仪的自适应调节功能，并向用户提示选择进行亮度调节和/或对比度调节，以及根据用户的选择执行相应操作。
所述设置模块，是设置为在用户选择进行亮度调节和对比度调节时，将用户选择进行亮度调节通知计算模块，并在获知调节模块完成亮度调节后，将用户进行对比度调节通知调节模块，或将用户选择进行对比度调节通知调 节模块，并在获知调节模块完成对比度调节后，将用户进行亮度调节通知计算模块；在用户选择进行亮度调节时，将用户选择进行亮度调节通知计算模块；在用户选择对比度调节时，将用户选择进行对比度调节通知调节模块。
调节调节调节模块42是设置为：在亮度平均值与预先设置的正常亮度平均值之间的差值为正时，确认亮度过高，进行调暗操作，直至亮度平均值等于预先设置的正常亮度平均值；在亮度平均值与预先设置的正常亮度平均值之间的差值为负时，确认亮度过暗，进行调亮操作，直至亮度平均值等于预先设置的正常亮度平均值。
相对相关技术中在特定场景下，投影仪根据光感进行自动亮度调节无法起到投影效果亮度调节的目的，以及手动亮度调节操作繁琐的问题，本发明实施例实现了对投影仪中的图像进行自动投影效果调节的操作，包括投影亮度的自动调节、和/或图像亮度调节，此外，本发明实施例还实现了对图像的对比度进行自动调节，提高了使用投影仪的用户体验度。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。
在此提供的算法和显示不与任何特定计算机、虚拟系统或者其它设备固有相关。各种通用系统也可以与基于在此的示教一起使用。根据上面的描述，构造这类系统所要求的结构是显而易见的。此外，本发明也不针对任何特定编程语言。应当明白，可以利用各种编程语言实现在此描述的本发明的内容，并且上面对特定语言所做的描述是为了披露本发明的最佳实施方式。
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，本发明的实施例可以在没有这些具体细节的情况下实践。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。
类似地，应当理解，为了精简本公开并帮助理解各个发明方面中的一个或多个，在上面对本发明的示例性实施例的描述中，本发明的各个特征有时 被一起分组到单个实施例、图、或者对其的描述中。然而，并不应将该公开的方法解释成反映如下意图：即所要求保护的本发明要求比在每个权利要求中所明确记载的特征更多的特征。更确切地说，如下面的权利要求书所反映的那样，发明方面在于少于前面公开的单个实施例的所有特征。因此，遵循具体实施方式的权利要求书由此明确地并入该具体实施方式，其中每个权利要求本身都作为本发明的单独实施例。
本领域那些技术人员可以理解，可以对实施例中的客户端中的模块进行自适应性地改变并且把它们设置在与该实施例不同的一个或多个客户端中。可以把实施例中的模块组合成一个模块，以及此外可以把它们分成多个子模块或子单元或子组件。除了这样的特征和/或过程或者单元中的至少一些是相互排斥之外，可以采用任何组合对本说明书(包括伴随的权利要求、摘要和附图)中公开的所有特征以及如此公开的任何方法或者客户端的所有过程或单元进行组合。除非另外明确陈述，本说明书(包括伴随的权利要求、摘要和附图)中公开的每个特征可以由提供相同、等同或相似目的的替代特征来代替。
此外，本领域的技术人员能够理解，尽管在此所述的一些实施例包括其它实施例中所包括的某些特征而不是其它特征，但是不同实施例的特征的组合意味着处于本发明的范围之内并且形成不同的实施例。例如，在下面的权利要求书中，所要求保护的实施例的任意之一都可以以任意的组合方式来使用。
本发明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)来实现根据本发明实施例的加载有排序网址的客户端中的一些或者全部部件的一些或者全部功能。本发明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)。这样的实现本发明的程序可以存储在计算机可读介质上，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。
应该注意的是上述实施例对本发明进行说明而不是对本发明进行限制，并且本领域技术人员在不脱离所附权利要求的范围的情况下可设计出替换实施例。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。本发明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。
工业实用性
上述技术方案实现了对投影仪中的图像进行自动投影效果调节的操作，包括投影亮度的自动调节、和/或图像亮度调节；此外，上述技术方案还实现了对图像的对比度进行自动调节；提高了使用投影仪的用户体验度。

Claims (13)

  1. 一种投影仪自适应调节方法，包括：
    在用户选择进行亮度调节时，获取当前图像的亮度平均值，并计算所述亮度平均值与预先设置的正常亮度平均值之差的绝对值；
    如果所述绝对值大于或等于第一预设阈值，则同时对投影亮度和图像本身亮度进行调节；如果所述绝对值大于或等于第二预设阈值且小于第一预设阈值，则仅对投影亮度进行调节，如果所述绝对值大于或等于第三预设阈值且小于第二预设阈值，则仅对图像本身亮度进行调节，如果所述绝对值小于所述第三预设阈值，则禁止进行亮度调节；
    将自适应调节后的图像数据发送到投影模块进行投影。
  2. 如权利要求1所述的方法，所述方法还包括：
    在用户选择进行对比度调节时，对图像进行对比度自适应调节。
  3. 如权利要求2所述的方法，所述方法还包括：
    在用户选择进行亮度调节和/或对比度调节之前，根据用户的操作打开投影仪的自适应调节功能，并向用户提示选择进行亮度调节和/或对比度调节，以及根据用户的选择执行相应操作。
  4. 如权利要求3所述的方法，其中，根据用户的选择执行相应操作包括：
    在用户选择进行亮度调节和对比度调节时，在进行投影仪的亮度调节后，进行对比度调节；或在进行对比度调节后，进行投影仪的亮度调节。
  5. 如权利要求3所述的方法，其中，根据用户的选择执行相应操作包括：
    在用户选择仅进行对比度调节时，直接进行对比度调节。
  6. 如权利要求1所述的方法，其中，对投影亮度和/或图像本身亮度进行调节包括：
    在所述亮度平均值与预先设置的正常亮度平均值之间的差值为正时，确认亮度过高，进行调暗操作，直至亮度平均值等于预先设置的正常亮度平均值；
    在所述亮度平均值与预先设置的正常亮度平均值之间的差值为负时，确 认亮度过暗，进行调亮操作，直至亮度平均值等于预先设置的正常亮度平均值。
  7. 一种投影仪自适应调节装置，包括：
    计算模块，设置为在用户选择进行亮度调节时，获取当前图像的亮度平均值，并计算所述亮度平均值与预先设置的正常亮度平均值之差的绝对值；
    调节模块，设置为在所述绝对值大于或等于第一预设阈值时，则同时对投影亮度和图像本身亮度进行调节；在所述绝对值大于或等于第二预设阈值且小于第一预设阈值时，仅对投影亮度继续调节，在所述绝对值大于或等于第三预设阈值且小于第二预设阈值时，仅对图像本身亮度进行调节，在所述绝对值小于所述第三预设阈值时，禁止进行亮度调节；
    发送模块，设置为将自适应调节后的图像数据发送到投影模块进行投影。
  8. 如权利要求7所述的装置，
    所述调节模块，还设置为在用户选择进行对比度调节时，对图像进行对比度自适应调节。
  9. 如权利要求7所述的装置，所述装置还包括：
    设置模块，设置为在用户选择进行亮度调节和/或对比度调节之前，根据用户的操作打开投影仪的自适应调节功能，并向用户提示选择进行亮度调节和/或对比度调节，以及根据用户的选择执行相应操作。
  10. 如权利要求9所述的装置，其中，所述设置模块是设置为通过如下方式实现根据用户的选择执行相应操作：
    在用户选择进行亮度调节和对比度调节时，将用户选择进行亮度调节通知计算模块，并在获知调节模块完成亮度调节后，将用户进行对比度调节通知调节模块；或将用户选择进行对比度调节通知调节模块，并在获知调节模块完成对比度调节后，将用户进行亮度调节通知计算模块。
  11. 如权利要求9所述的装置，所述设置模块是设置为通过如下方式实现根据用户的选择执行相应操作：
    在用户选择对比度调节时，将用户选择进行对比度调节通知调节模块。
  12. 如权利要求7所述的装置，所述调节模块是设置为：
    在所述亮度平均值与预先设置的正常亮度平均值之间的差值为正时，确认亮度过高，进行调暗操作，直至亮度平均值等于预先设置的正常亮度平均值；
    在所述亮度平均值与预先设置的正常亮度平均值之间的差值为负时，确认亮度过暗，进行调亮操作，直至亮度平均值等于预先设置的正常亮度平均值。
  13. 一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1～6中任一项所述的方法。
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