WO2019095485A1 - 视频信号处理方法、装置及可读存储介质 - Google Patents

视频信号处理方法、装置及可读存储介质 Download PDF

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WO2019095485A1
WO2019095485A1 PCT/CN2017/116363 CN2017116363W WO2019095485A1 WO 2019095485 A1 WO2019095485 A1 WO 2019095485A1 CN 2017116363 W CN2017116363 W CN 2017116363W WO 2019095485 A1 WO2019095485 A1 WO 2019095485A1
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video signal
image data
value
image
image mode
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PCT/CN2017/116363
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English (en)
French (fr)
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谭凯
姚俊银
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广州视源电子科技股份有限公司
广州视睿电子科技有限公司
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Publication of WO2019095485A1 publication Critical patent/WO2019095485A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268Signal distribution or switching

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  • the present invention relates to the field of medical display device technologies, and in particular, to a video signal processing method, apparatus, and readable storage medium.
  • the medical display smart tablet as a new type of medical display device has been widely favored by medical workers.
  • the medical display smart tablet not only needs to meet the needs of routine office meetings, physician training, remote video conferences, etc., but also meets the medical display requirements such as medical consultation and medical imaging display. Shows the higher display requirements presented by the smart tablet.
  • the conventional intelligent display panel has a video display standard of HD for REC709 and Ultra HD for BT-2020.
  • the required GAMMA standard is BT.1886, and the medical display is different, and the medical display needs to comply with DICOM (Digital Imaging). And Communications in Medicine, standard image effects, for example, for radiological, cardiovascular imaging, and radiological diagnostic equipment (X-ray, CT, nuclear magnetic resonance, ultrasound, etc.). Therefore, the medical display is significantly different from the conventional video display.
  • the first one is to develop a device dedicated to medical display, but the device can only be used for medical diagnosis and consultation, and the display effect cannot meet office and conference use. Therefore, hospital organizations also need to purchase additional office display equipment.
  • the second is to develop equipment that meets the needs of medical diagnosis and meets the needs of office and conference. However, this type of equipment can only manually adjust the image mode to meet the different usage scenarios and needs of users.
  • an embodiment of the present invention provides a video signal processing method that solves the problem of poor intelligence caused by only manually adjusting an image mode.
  • a video signal processing method is applied to a display device, and the method includes:
  • the video signal data is output using the second image mode.
  • a video signal processing method is applied to a display device, which first acquires and decodes a received video signal, obtains image data in the video signal, and then acquires image data on a display screen of the display device.
  • the RGB value of each pixel in the middle, and determine whether the R value, G value, and B value of the RGB values of each pixel point are consistent, and finally make corresponding image mode adjustment according to the judgment result, for the input video signal is For medical images such as X-ray films and CT films, since these medical images are black and white images, the R value, G value, and B value of the RGB values of each pixel of the image data are identical.
  • the display device The video signal data will be automatically output using the first image mode, the first image mode may be a DICOM image mode for better medical display, and the input video signal is a video signal for an office or video conference, The image will be a color image. Therefore, the R value, G value, and B value of the RGB values of each pixel of the image data are inconsistent.
  • the display device automatically A video signal output of the image data using a second mode, the second mode may be supported BT.1886GAMMA image criteria as image mode, to better display for office or video conferencing.
  • the method provided by the present invention can automatically analyze the user usage scene in real time and automatically switch to the corresponding image mode for output, which is more intelligent.
  • video signal processing method may further have the following additional technical features:
  • the step of acquiring the RGB value of each pixel point of the image data in a display screen of the display device comprises:
  • the step of acquiring and decoding the video signal to obtain image data in the video signal comprises:
  • Performing a decoding process on the image data to obtain image data after decoding processing, image data in the video signal, and the decoding process includes at least one of scaling, cropping, and color space conversion.
  • the first image mode is a DICOM image mode
  • the DICOM standard image mode includes at least one of turning off sharpness, turning off dynamic contrast, and turning off Color image processing, and Pre-adjusted GAMMA supporting the DICOM standard.
  • the second image mode is a standard image mode
  • the standard image mode is an image mode of the GAMMA standard supporting BT.1886 or GAMMA0.8 to GAMMA3.0.
  • the video standard image mode includes at least one of turning on sharpness, turning on dynamic contrast, turning on Color image processing, and adopting pre-adjusted GAMMA data supporting BT.1886 standard or GAMMA0.8 to GAMMA3.0 standard.
  • Another embodiment of the present invention provides a video signal processing apparatus that solves the problem of poor intelligence caused by only manually adjusting an image mode.
  • An acquisition module configured to acquire and decode the video signal to obtain image data in the video signal when receiving a video signal input
  • An obtaining module configured to acquire an RGB value of each pixel point of the image data in a display screen of the display device
  • a judging module configured to respectively determine whether the R value, the G value, and the B value in the RGB values of each of the pixel points are consistent
  • a first output module configured to: when the determination result of the determining module is YES, output the video signal data by using a first image mode;
  • a second output module configured to: when the determination result of the determining module is negative, output the video signal data by using a second image mode.
  • video signal processing apparatus may further have the following additional technical features:
  • the acquiring module includes:
  • An adapting unit configured to adapt the image data in a display screen of the display device and perform caching
  • the first acquiring unit is configured to acquire RGB values of pixel points stored in each coordinate point in the display screen.
  • the collecting module comprises:
  • An acquisition unit configured to collect the video signal
  • a second acquiring unit configured to acquire image data corresponding to one of the video frames
  • a decoding unit configured to perform decoding processing on the image data to obtain image data after decoding processing, image data in the video signal, and the decoding process includes at least one of scaling, cropping, and color space conversion.
  • the first image mode is a DICOM image mode
  • the DICOM standard image mode includes at least one of turning off sharpness, turning off dynamic contrast, and turning off Color image processing, and Pre-adjusted GAMMA supporting the DICOM standard.
  • Another embodiment of the present invention also provides a readable storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of the above method.
  • FIG. 1 is a flowchart of a video signal processing method according to a first embodiment of the present invention
  • FIG. 2 is a flowchart of a video signal processing method according to a second embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a video signal processing apparatus according to another embodiment of the present invention.
  • a video signal processing method is applied to a display device, where the method includes:
  • the display device may be a medical display smart tablet capable of meeting medical diagnosis requirements and meeting office and conference requirements.
  • the display device has at least a display screen and a TV driver board, and the video signal is, for example, a video signal of the HDMI end and a video signal of the VGA end. Or other standard-end video signals, when the display device receives the video signal input, the display device can collect the video signal through the TV driver board, and then decode the collected video signal, and the decoding process includes scaling, cropping, At least one of color space conversion to obtain image data in a video signal.
  • the image data may be image data corresponding to one of the video signals and the video frame, for example, image data corresponding to the first video frame in the video signal.
  • the acquired image data needs to be adapted in the display screen of the current display device, and the adaptation is performed after the adaptation is completed.
  • the RGB value of each pixel point of the image data in the display screen of the current display device is not limited.
  • the R value, the G value, and the B value are respectively the color value of the red component, the color value of the green component, and the color value of the blue component in the RGB value.
  • the video signal data is output by using the first image mode.
  • the first image mode is, for example, a DICOM image mode
  • the DICOM standard image mode includes at least one of turning off the sharpness, turning off the dynamic contrast, turning off the color image processing, and adopting a pre-adjusted GAMMA supporting the DICOM standard to Good to meet the display needs of medical images such as X-ray films and CT films.
  • the R value, the G value, and the B value of the RGB values of each pixel of the image data are the same, and the RGB values between different pixel points are not required to be the same.
  • the image data corresponding to a video signal includes 5 pixels
  • the RGB value of the first pixel is 255, 255, 255
  • the RGB value of the second pixel is 0, 0, 0, and 3
  • the RGB values of the pixels are 105, 105, 105
  • the RGB values of the 4th pixel are 192, 192, 192
  • the RGB values of the 5th pixel are 220, 220, 220, which is also true for this case.
  • the R value, the G value, and the B value of the RGB values of each pixel point are the same, and the display device outputs the video signal data by using the DICOM image mode.
  • the video signal data is output by using the second image mode.
  • the second image mode is, for example, a standard image mode, which is an image mode supporting the BT.1886 GAMMA standard (high-definition REC709, GAMMA standard of Ultra HD BT-2020, etc.), or supports GAMMA0.8 to GAMMA3.
  • the video standard image mode includes turning on sharpness, turning on dynamic contrast, and turning on Color image processing At least one of them, and adopts pre-adjusted GAMMA data supporting BT.1886 standard or GAMMA0.8 to GAMMA3.0 standard to better meet the display requirements such as video conferencing.
  • the condition values in which the R value, the G value, and the B value of the RGB values of each pixel of the image data are not identical it can be understood as follows, as long as the R value, the G value, and the B value of the RGB values of one pixel point are inconsistent The condition of step S105 is satisfied.
  • the image data corresponding to a video signal includes 5 pixels, the RGB value of the first pixel is 255, 255, 255, and the RGB value of the second pixel is 0, 0, 0, and 3
  • the RGB values of the pixels are 105, 105, 105, the RGB values of the 4th pixel are 192, 192, 192, and the RGB values of the 5th pixel are 220, 200, 220.
  • the display device uses the video standard image.
  • the mode outputs the video signal data.
  • a video signal processing method is applied to a display device, which first acquires and decodes a received video signal, obtains image data in the video signal, and then acquires image data on a display screen of the display device.
  • the RGB value of each pixel in the middle, and determine whether the R value, G value, and B value of the RGB values of each pixel point are consistent, and finally make corresponding image mode adjustment according to the judgment result, for the input video signal is For medical images such as X-ray films and CT films, since these medical images are black and white images, the R value, G value, and B value of the RGB values of each pixel of the image data are identical.
  • the display device The video signal data will be automatically output using the first image mode, the first image mode may be a DICOM image mode for better medical display, and the input video signal is a video signal for an office or video conference, The image will be a color image. Therefore, the R value, G value, and B value of the RGB values of each pixel of the image data are inconsistent.
  • the display device automatically A video signal output of the image data using a second mode, the second image support BT.1886 standard mode may be a standard image mode, to better display for office or video conferencing.
  • the method provided by the present invention can automatically analyze the user usage scene in real time and automatically switch to the corresponding image mode for output, which is more intelligent.
  • the video signal input to the medical display smart tablet is a medical image such as an X-ray film or a CT film.
  • the medical display smart tablet analyzes the input signal by the above method, because the X-ray film, CT Medical images such as films are black and white images, so the RGB values of the pixels of the image data in the video signal are recognized to be the same, and the system will automatically adopt the DICOM standard image mode.
  • the input signal image will be color content.
  • the RGB values of the pixel points of the image data in the video signal are recognized to be different, and the system will automatically adopt the standard image mode.
  • the image data corresponding to the first video frame in the video signal is analyzed.
  • whether the image data corresponding to all the video frames is analyzed may be selected according to actual conditions. And then based on all the analysis results, then carry out the corresponding Image mode adjustment, for example, if the image data corresponding to all video frames satisfies the condition value of step S104 (the R value, the G value, and the B value in the RGB values of each pixel of the image data are the same), The video signal data is output using the DICOM image mode. If the image data corresponding to one of the video frames does not satisfy the condition value of step S104, the video signal data is output using the standard image mode.
  • the image data corresponding to one of the video frames may be analyzed, and then the corresponding image mode adjustment is performed.
  • medical images such as X-ray films and CT films are displayed in black and white. Therefore, for such video signals, the image data corresponding to each video frame satisfies the condition value of step S104, and The video signals of the video conference or the video conference are all displayed in a color manner. Therefore, for such video signals, the image data corresponding to each video frame satisfies the condition value of step S105.
  • a video signal processing method is applied to a display device, where the method includes:
  • the captured video signal is, for example, a video signal at the HDMI end or a video signal at the VGA end.
  • image data corresponding to the first video frame in the video signal is acquired.
  • S203 performing decoding processing on the image data to obtain image data after decoding processing, image data in the video signal, and the decoding processing includes at least one of scaling, cropping, and color space conversion;
  • the above-described decoding process is performed on the image data in order to better fit the image data in the display screen of the display device.
  • the coordinate point is a coordinate point in the coordinate system determined by the display screen.
  • the coordinate system can be configured according to the distribution ratio of the display screen to determine each coordinate point in the display screen.
  • the DICOM standard image mode includes at least one of turning off the sharpness, turning off the dynamic contrast, turning off the color image processing, and adopting a pre-adjusted GAMMA supporting the DICOM standard.
  • the video standard image mode includes at least one of turning on sharpness, turning on dynamic contrast, turning on Color image processing, and adopting pre-adjusted GAMMA data supporting BT.1886 standard or GAMMA0.8 to GAMMA3.0 standard. Including HD REC709, GAMMA standard for Ultra HD BT-2020, etc.
  • the standard image mode may also be an image mode supporting the GAMMA standard of BT.1886 or GAMMA0.8 to GAMMA3.0, the video standard image mode including at least one of turning on sharpness, turning on dynamic contrast, and turning on Color image processing. And use a pre-adjusted GAMMA that supports the BT.1886 standard.
  • the RGB values of the pixel points stored in each coordinate point in the display screen are judged and analyzed, which can simplify the process of analysis processing and improve the processing speed to respond to the user's needs more quickly.
  • a video signal processing apparatus includes:
  • the acquiring module 10 is configured to: when receiving a video signal input, acquiring and decoding the video signal to obtain image data in the video signal;
  • the obtaining module 20 is configured to acquire an RGB value of each pixel point of the image data in a display screen of the display device;
  • the determining module 30 is configured to determine whether the R value, the G value, and the B value in the RGB values of each of the pixel points are consistent;
  • the first output module 40 is configured to: when the determination result of the determining module 30 is YES, output the video signal data by using a first image mode;
  • the second output module 50 is configured to use the second type when the determination result of the determining module 30 is negative.
  • the image mode outputs the video signal data.
  • the obtaining module 20 includes:
  • the adapting unit 201 is configured to adapt the image data in a display screen of the display device and perform caching;
  • the first obtaining unit 202 is configured to acquire RGB values of pixel points stored in each coordinate point in the display screen.
  • the collection module 10 includes:
  • the collecting unit 101 is configured to collect the video signal
  • the second obtaining unit 102 is configured to acquire image data corresponding to one of the video frames
  • the decoding unit 103 is configured to perform decoding processing on the image data to obtain decoded image data, image data in the video signal, and the decoding process includes at least one of scaling, cropping, and color space conversion. .
  • the first image mode is a DICOM image mode
  • the DICOM standard image mode includes at least one of turning off the sharpness, turning off the dynamic contrast, turning off the color image processing, and adopting the pre-adjusted support DICOM. Standard GAMMA.
  • the second image mode is a standard image mode
  • the standard image mode is an image mode of the GAMMA standard supporting BT.1886 or GAMMA0.8 to GAMMA3.0
  • the video standard image mode includes At least one of sharpness, dynamic contrast is turned on, Color image processing is turned on, and pre-adjusted GAMMA data supporting the BT.1886 standard or the GAMMA0.8 to GAMMA3.0 standard is used.
  • embodiments of the present invention also provide a readable storage medium having stored thereon computer instructions that, when executed by a processor, implement the steps of the above methods.
  • a "computer-readable medium" can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with such an instruction execution system, apparatus, or device.
  • computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method is processed to obtain the program electronically and then stored in computer memory.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

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Abstract

本发明公开了一种视频信号处理方法、装置及可读存储介质,所述视频信号处理方法,应用于显示装置中,所述方法包括:当接收到视频信号输入时,采集并解码所述视频信号,以获取所述视频信号中的图像数据;获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值;分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;若是,则采用第一种图像模式对所述视频信号数据进行输出;若否,则采用第二种图像模式对所述视频信号数据进行输出。本发明能够解决现有技术中只能手动调整图像模式造成的智能化程度差的问题。

Description

视频信号处理方法、装置及可读存储介质 技术领域
本发明涉及医疗显示设备技术领域,特别是涉及一种视频信号处理方法、装置及可读存储介质。
背景技术
随着生活水平的提高,人们对健康的关注程度逐渐增加,越来越多的科技设备应用到医疗领域中。其中,医疗显示智能平板作为新型的医疗显示设备,受到了医学工作者的广泛青睐。与常规的智能显示平板相比,医疗显示智能平板不仅要满足日常医务会议、医师培训、远程视频会议等常规办公的需求,更要满足医疗会诊、显示医疗影像等医疗显示需求,这就对医疗显示智能平板提出的更高的显示要求。
公知技术中,常规的智能显示平板,其视频显示标准为高清是REC709、超高清是BT-2020标准,所需的GAMMA标准为BT.1886,而医疗显示不同,医疗显示需要符合DICOM(Digital Imaging and Communications in Medicine,即医学数字成像和通信)标准图像效果,例如,对于放射医疗、心血管成像以及放射诊疗诊断设备(X射线,CT,核磁共振,超声等)的显示。因此医疗显示和常规视频显示相比,图像效果差异明显。
对于这种情况,现有技术中有两种解决方案,第一种是开发专用于医疗显示的设备,但这种设备只能用于医疗的诊断与会诊,显示效果无法满足办公和会议使用,因此医院机构还需额外购置办公显示设备。第二种是开发既能满足医疗诊断需求,又能满足办公与会议需求的设备,但这种设备只能手动调整图像模式,来满用户的不同使用场景和需求。
发明内容
为此,本发明的一个实施例提出一种视频信号处理方法,解决只能手动调整图像模式造成的智能化程度差的问题。
根据本发明一实施例的视频信号处理方法,应用于显示装置中,所述方法包括:
当接收到视频信号输入时,采集并解码所述视频信号,以获取所述视频信号中的图像数据;
获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值;
分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;
若是,则采用第一种图像模式对所述视频信号数据进行输出;
若否,则采用第二种图像模式对所述视频信号数据进行输出。
根据本发明实施例的视频信号处理方法,应用于显示装置中,该显示装置首先对接收到的视频信号进行采集和解码,得到视频信号中的图像数据,然后获取图像数据在显示装置的显示屏中的每个像素点的RGB值,并判断每个像素点的RGB值中的R值、G值、B值是否一致,最后根据判断结果做出相应的图像模式调整,对于输入的视频信号为X光片、CT片等医疗影像,由于这些医疗影像均为黑白图像,因此,图像数据的每个像素点的RGB值中的R值、G值、B值是一致的,此时,显示装置将自动采用第一种图像模式对视频信号数据进行输出,第一种图像模式可以是DICOM图像模式,以更好的用于医疗显示;而对于输入的视频信号为办公或视频会议的视频信号,其图像会是彩色图像,因此,图像数据的每个像素点的RGB值中的R值、G值、B值是不一致的,此时,显示装置自动采用第二种图像模式对视频信号数据进行输出,第二种图像模式可以是支持BT.1886GAMMA标准的标准图像模式,以更好的用于办公或视频会议显示。最终,根据本发明提供的方法能够自动实时分析用户使用场景,自动切换为相应的图像模式进行输出,智能程度更高。
另外,根据本发明上述实施例的视频信号处理方法,还可以具有如下附加的技术特征:
进一步地,在本发明的一个实施例中,所述获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值的步骤包括:
将所述图像数据适配在所述显示装置的显示屏中并进行缓存;
获取所述显示屏中的每个坐标点存放的像素点的RGB值。
进一步地,在本发明的一个实施例中,所述采集并解码所述视频信号,以获取所述视频信号中的图像数据的步骤包括:
采集所述视频信号;
获取所述视频信号中其中一视频帧对应的图像数据;
对所述图像数据进行解码处理,以获取解码处理后的图像数据,所述视频信号中的图像数据,所述解码处理包括缩放、裁剪、色彩空间转换中的至少一种。
进一步地,在本发明的一个实施例中,所述第一种图像模式为DICOM图像模式,所述DICOM标准图像模式包括关闭清晰度、关闭动态对比度、关闭Color图像处理中的至少一种,并采用预先调整过的支持DICOM标准的GAMMA。
进一步地,在本发明的一个实施例中,所述第二种图像模式为标准图像模式,所述标准图像模式为支持BT.1886或GAMMA0.8至GAMMA3.0的GAMMA标准的图像模式,所述视频标准图像模式包括开启清晰度、开启动态对比度、开启Color图像处理中的至少一种,并采用预先调整过的支持BT.1886标准或GAMMA0.8至GAMMA3.0标准的GAMMA数据
本发明的另一个实施例提出一种视频信号处理装置,解决只能手动调整图像模式造成的智能化程度差的问题。
根据本发明实施例的视频信号处理装置,其包括:
采集模块,用于当接收到视频信号输入时,采集并解码所述视频信号,以获取所述视频信号中的图像数据;
获取模块,用于获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值;
判断模块,用于分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;
第一输出模块,用于当所述判断模块的判断结果为是时,采用第一种图像模式对所述视频信号数据进行输出;
第二输出模块,用于当所述判断模块的判断结果为否时,采用第二种图像模式对所述视频信号数据进行输出。
另外,根据本发明上述实施例的视频信号处理装置,还可以具有如下附加的技术特征:
进一步地,在本发明的一个实施例中,所述获取模块包括:
适配单元,用于将所述图像数据适配在所述显示装置的显示屏中并进行缓存;
第一获取单元,用于获取所述显示屏中的每个坐标点存放的像素点的RGB值。
进一步地,在本发明的一个实施例中,所述采集模块包括:
采集单元,用于采集所述视频信号;
第二获取单元,用于获取所述视频信号中其中一视频帧对应的图像数据;
解码单元,用于对所述图像数据进行解码处理,以获取解码处理后的图像数据,所述视频信号中的图像数据,所述解码处理包括缩放、裁剪、色彩空间转换中的至少一种。
进一步地,在本发明的一个实施例中,所述第一种图像模式为DICOM图像模式,所述DICOM标准图像模式包括关闭清晰度、关闭动态对比度、关闭Color图像处理中的至少一种,并采用预先调整过的支持DICOM标准的GAMMA。
本发明的另一个实施例还提出一种可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现上述方法的步骤。
本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实施例了解到。
附图说明
本发明实施例的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解,其中:
图1是根据本发明第一实施例的视频信号处理方法的流程图;
图2是根据本发明第二实施例的视频信号处理方法的流程图;
图3是根据本发明另一实施例的视频信号处理装置的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明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发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请参阅图1,本发明第一实施例提出的视频信号处理方法,应用于显示装置中,所述方法包括:
S101,当接收到视频信号输入时,采集并解码所述视频信号,以获取所述视频信号中的图像数据;
其中,显示装置可以是既能满足医疗诊断需求,又能满足办公与会议需求的医疗显示智能平板,显示装置至少具有显示屏和TV驱动板,视频信号例如是HDMI端的视频信号、VGA端的视频信号或其它标准端的视频信号,当显示装置接收到视频信号输入时,显示装置可以通过TV驱动板对视频信号进行采集,然后对采集到的视频信号进行解码处理,解码处理的过程包括缩放、裁剪、色彩空间转换中的至少一种,以获取到视频信号中的图像数据。其中,图像数据可以是视频信号中其中一和视频帧对应的图像数据,例如就是视频信号中第一个视频帧对应的图像数据。
S102,获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值;
由于不同显示装置的显示屏其尺寸大小和/或屏幕分辨率会有所区别,因此,需要先将获取到的图像数据在当前的显示装置的显示屏中进行适配处理,适配完成后获取图像数据在当前的显示装置的显示屏中的每个像素点的RGB值。
S103,分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;
其中,需要对图像数据的每个像素点的RGB值分别进行判断,R值、G值、B值分别是RGB值中红色分量的颜色值、绿色分量的颜色值、蓝色分量的颜色值。
S104,若是,则采用第一种图像模式对所述视频信号数据进行输出;
具体的,若图像数据的每个像素点的RGB值中的R值、G值、B值都是一致的,表明视频信号是黑白影像,则采用第一种图像模式对视频信号数据进行输出,第一种图像模式例如是DICOM图像模式,所述DICOM标准图像模式包括关闭清晰度、关闭动态对比度、关闭Color图像处理中的至少一种,并采用预先调整过的支持DICOM标准的GAMMA,以更好的满足X光片、CT片等医疗影像的显示需求。需要说明的是,图像数据的每个像素点的RGB值中的R值、G值、B值都一致,并不要求不同像素点之间的RGB值都一样。具体来说,例如某视频信号对应的图像数据包含5个像素点,第1个像素点的RGB值为255,255,255,第2个像素点的RGB值为0,0,0,第3个像素点的RGB值为105,105,105,第4个像素点的RGB值为192,192,192,第5个像素点的RGB值为220,220,220,对于这种情况,也符合每个像素点的RGB值中的R值、G值、B值一致,显示装置会采用DICOM图像模式对该视频信号数据进行输出。
S105,若否,则采用第二种图像模式对所述视频信号数据进行输出。
具体的,若图像数据的每个像素点的RGB值中的R值、G值、B值不是都一致,表明视频信号是采用影像,则采用第二种图像模式对所述视频信号数据进行输出,第二种图像模式例如是标准图像模式,所述标准图像模式为支持BT.1886GAMMA标准的图像模式(高清REC709、超高清BT-2020的GAMMA标准等),或者是支持GAMMA0.8至GAMMA3.0的GAMMA标准的图像模式(包括GAMMA0.8、GAMMA0.9、GAMMA1.0、GAMMA1.2至GAMMA3.0),所述视频标准图像模式包括开启清晰度、开启动态对比度、开启Color图像处理中的至少一种,并采用预先调整过的支持BT.1886标准或GAMMA0.8至GAMMA3.0标准的GAMMA数据,以更好的满足视频会议等显示需求。对于图像数据的每个像素点的RGB值中的R值、G值、B值不是都一致的条件值,可以理解如下,只要有一个像素点的RGB值中R值、G值、B值不一致,就满足步骤S105的条件。具体来说,例如某视频信号对应的图像数据包含5个像素点,第1个像素点的RGB值为255,255,255,第2个像素点的RGB值为0,0,0,第3个像素点的RGB值为105,105,105,第4个像素点的RGB值为192,192,192,第5个像素点的RGB值为220,200,220,对于这种情况,虽然前4个像 素点的RGB值中的R、G、B值是相同的,但第5个像素点的RGB值中的R值、G值、B值不一致,对于这种情况,显示装置会采用视频标准图像模式对该视频信号数据进行输出。
根据本发明实施例的视频信号处理方法,应用于显示装置中,该显示装置首先对接收到的视频信号进行采集和解码,得到视频信号中的图像数据,然后获取图像数据在显示装置的显示屏中的每个像素点的RGB值,并判断每个像素点的RGB值中的R值、G值、B值是否一致,最后根据判断结果做出相应的图像模式调整,对于输入的视频信号为X光片、CT片等医疗影像,由于这些医疗影像均为黑白图像,因此,图像数据的每个像素点的RGB值中的R值、G值、B值是一致的,此时,显示装置将自动采用第一种图像模式对视频信号数据进行输出,第一种图像模式可以是DICOM图像模式,以更好的用于医疗显示;而对于输入的视频信号为办公或视频会议的视频信号,其图像会是彩色图像,因此,图像数据的每个像素点的RGB值中的R值、G值、B值是不一致的,此时,显示装置自动采用第二种图像模式对视频信号数据进行输出,第二种图像模式可以是支持BT.1886标准的标准图像模式,以更好的用于办公或视频会议显示。最终,根据本发明提供的方法能够自动实时分析用户使用场景,自动切换为相应的图像模式进行输出,智能程度更高。
下面给出一个上述方法的具体应用场景:
当用户进行会诊或诊断时,对医疗显示智能平板输入的视频信号为X光片、CT片等医疗影像,此时,通过上述方法,医疗显示智能平板分析输入的信号,因为X光片、CT片等医疗影像均为黑白图像,所以识别到视频信号中的图像数据的像素点的RGB值均相同,系统将自动采用DICOM标准的图像模式。而当用户进行办公或视频会议时,输入的信号图像会是彩色内容,这个时候识别到视频信号中的图像数据的像素点的RGB值不相同,系统将自动采用标准图像模式。
此外,需要说明的是,本实施例是对视频信号中第一个视频帧对应的图像数据进行分析,在具体实施时,可以根据实际情况选择是否是对所有视频帧对应的图像数据都进行分析,然后根据所有的分析结果进行统计,再进行相应的 图像模式调整,例如,若所有视频帧对应的图像数据都满足步骤S104的条件值(图像数据的每个像素点的RGB值中的R值、G值、B值都一致),此时才会采用DICOM图像模式对视频信号数据进行输出。若其中有一个视频帧对应的图像数据不满足步骤S104的条件值,就采用标准图像模式对视频信号数据进行输出。但为了提升效率、减轻显示装置中处理器的负载,可以只对其中某一个视频帧(例如第一个视频帧)对应图像数据进行分析,然后再进行相应的图像模式调整。这是由于对于X光片、CT片等医疗影像,都是以黑白的方式进行显示,因此对于这类视频信号,其每一个视频帧对应的图像数据都会满足步骤S104的条件值,而对于办公或视频会议的视频信号,都是以彩色的方式进行显示,因此对于这类视频信号,其每一个视频帧对应的图像数据都会满足步骤S105的条件值。
请参阅图2,本发明第二实施例提出的视频信号处理方法,应用于显示装置中,所述方法包括:
S201,当接收到视频信号输入时,采集所述视频信号;
采集到的视频信号例如是HDMI端的视频信号或者VGA端的视频信号。
S202,获取所述视频信号中其中一视频帧对应的图像数据;
例如获取视频信号中的第一个视频帧对应的图像数据。
S203,对所述图像数据进行解码处理,以获取解码处理后的图像数据,所述视频信号中的图像数据,所述解码处理包括缩放、裁剪、色彩空间转换中的至少一种;
由于不同显示装置的显示屏其尺寸大小和/或屏幕分辨率会有所区别,而对图像数据进行上述解码处理是为了更好的将图像数据适配在显示装置的显示屏中。
S204,将所述图像数据适配在所述显示装置的显示屏中并进行缓存;
S205,获取所述显示屏中的每个坐标点存放的像素点的RGB值;
其中,坐标点是以显示屏为基准确定的坐标系中的坐标点,具体实施时,可以根据显示屏的分配率配置坐标系,以确定显示屏中的各个坐标点。
S206,分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;
S207,若是,则采用DICOM图像模式对所述视频信号数据进行输出;
其中,所述DICOM标准图像模式包括关闭清晰度、关闭动态对比度、关闭Color图像处理中的至少一种,并采用预先调整过的支持DICOM标准的GAMMA。
S208,若否,则采用标准图像模式对所述视频信号数据进行输出,所述标准图像模式为支持BT.1886GAMMA标准的图像模式。
其中,所述视频标准图像模式包括开启清晰度、开启动态对比度、开启Color图像处理中的至少一种,并采用预先调整过的支持BT.1886标准或GAMMA0.8至GAMMA3.0标准的GAMMA数据,包括高清REC709、超高清BT-2020的GAMMA标准等。所述标准图像模式还可以为支持BT.1886或GAMMA0.8至GAMMA3.0的GAMMA标准的图像模式,所述视频标准图像模式包括开启清晰度、开启动态对比度、开启Color图像处理中的至少一种,并采用预先调整过的支持BT.1886标准的GAMMA。
本实施例中,是对显示屏中的每个坐标点存放的像素点的RGB值进行判断分析,能够简化分析处理的过程,提升处理速度,以更快的响应用户的需求。
需要说明是,本实施例重点说明的是与上一实施例的不同之处,各个实施例之间相同相似的部分未重复描述,可以相互参见。
请参阅图3,基于同一发明构思,本发明另一实施例提出的一种视频信号处理装置,包括:
采集模块10,用于当接收到视频信号输入时,采集并解码所述视频信号,以获取所述视频信号中的图像数据;
获取模块20,用于获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值;
判断模块30,用于分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;
第一输出模块40,用于当所述判断模块30的判断结果为是时,采用第一种图像模式对所述视频信号数据进行输出;
第二输出模块50,用于当所述判断模块30的判断结果为否时,采用第二种 图像模式对所述视频信号数据进行输出。
本实施例中,所述获取模块20包括:
适配单元201,用于将所述图像数据适配在所述显示装置的显示屏中并进行缓存;
第一获取单元202,用于获取所述显示屏中的每个坐标点存放的像素点的RGB值。
本实施例中,所述采集模块10包括:
采集单元101,用于采集所述视频信号;
第二获取单元102,用于获取所述视频信号中其中一视频帧对应的图像数据;
解码单元103,用于对所述图像数据进行解码处理,以获取解码处理后的图像数据,所述视频信号中的图像数据,所述解码处理包括缩放、裁剪、色彩空间转换中的至少一种。
本实施例中,所述第一种图像模式为DICOM图像模式,所述DICOM标准图像模式包括关闭清晰度、关闭动态对比度、关闭Color图像处理中的至少一种,并采用预先调整过的支持DICOM标准的GAMMA。
本实施例中,所述第二种图像模式为标准图像模式,所述标准图像模式为支持BT.1886或GAMMA0.8至GAMMA3.0的GAMMA标准的图像模式,所述视频标准图像模式包括开启清晰度、开启动态对比度、开启Color图像处理中的至少一种,并采用预先调整过的支持BT.1886标准或GAMMA0.8至GAMMA3.0标准的GAMMA数据。
本发明实施例提出的视频信号处理装置的技术特征和技术效果与本发明实施例提出的方法相同,在此不予赘述。
此外,本发明的实施例还提出一种可读存储介质,其上存储有计算机指令,该指令被处理器执行时实现上述方法的步骤。
在流程图中表示或在此以其他方式描述的逻辑和/或步骤,例如,可以被认为是用于实现逻辑功能的可执行指令的定序列表,可以具体实现在任何计算机可读介质中,以供指令执行系统、装置或设备(如基于计算机的系统、包括处 理器的系统或其他可以从指令执行系统、装置或设备取指令并执行指令的系统)使用,或结合这些指令执行系统、装置或设备而使用。就本说明书而言,“计算机可读介质”可以是任何可以包含、存储、通信、传播或传输程序以供指令执行系统、装置或设备或结合这些指令执行系统、装置或设备而使用的装置。
计算机可读介质的更具体的示例(非穷尽性列表)包括以下:具有一个或多个布线的电连接部(电子装置),便携式计算机盘盒(磁装置),随机存取存储器(RAM),只读存储器(ROM),可擦除可编辑只读存储器(EPROM或闪速存储器),光纤装置,以及便携式光盘只读存储器(CDROM)。另外,计算机可读介质甚至可以是可在其上打印所述程序的纸或其他合适的介质,因为可以例如通过对纸或其他介质进行光学扫描,接着进行编辑、解译或必要时以其他合适方式进行处理来以电子方式获得所述程序,然后将其存储在计算机存储器中。
应当理解,本发明的各部分可以用硬件、软件、固件或它们的组合来实现。在上述实施方式中,多个步骤或方法可以用存储在存储器中且由合适的指令执行系统执行的软件或固件来实现。例如,如果用硬件来实现,和在另一实施方式中一样,可用本领域公知的下列技术中的任一项或他们的组合来实现:具有用于对数据信号实现逻辑功能的逻辑门电路的离散逻辑电路,具有合适的组合逻辑门电路的专用集成电路,可编程门阵列(PGA),现场可编程门阵列(FPGA)等。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例,本领域的普通技术人员可以理解:在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由权利要求及其等同物限定。

Claims (10)

  1. 一种视频信号处理方法,应用于显示装置中,其特征在于,所述方法包括:
    当接收到视频信号输入时,采集并解码所述视频信号,以获取所述视频信号中的图像数据;
    获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值;
    分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;
    若是,则采用第一种图像模式对所述视频信号数据进行输出;
    若否,则采用第二种图像模式对所述视频信号数据进行输出。
  2. 根据权利要求1所述的视频信号处理方法,其特征在于,所述获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值的步骤包括:
    将所述图像数据适配在所述显示装置的显示屏中并进行缓存;
    获取所述显示屏中的每个坐标点存放的像素点的RGB值。
  3. 根据权利要求1所述的视频信号处理方法,其特征在于,所述采集并解码所述视频信号,以获取所述视频信号中的图像数据的步骤包括:
    采集所述视频信号;
    获取所述视频信号中其中一视频帧对应的图像数据;
    对所述图像数据进行解码处理,以获取解码处理后的图像数据,所述视频信号中的图像数据,所述解码处理包括缩放、裁剪、色彩空间转换中的至少一种。
  4. 根据权利要求1所述的视频信号处理方法,其特征在于,所述第一种图像模式为DICOM图像模式,所述DICOM标准图像模式包括关闭清晰度、关闭动态对比度、关闭Color图像处理中的至少一种,并采用预先调整过的支持DICOM标准的GAMMA。
  5. 根据权利要求4所述的视频信号处理方法,其特征在于,所述第二种图像模式为标准图像模式,所述标准图像模式为支持BT.1886或GAMMA0.8至GAMMA3.0的GAMMA标准的图像模式,所述视频标准图像模式包括开启清晰度、开启动态对比度、开启Color图像处理中的至少一种,并采用预先调整过的支持BT.1886标准或GAMMA0.8至GAMMA3.0标准的GAMMA数据。
  6. 一种视频信号处理装置,其特征在于,包括:
    采集模块,用于当接收到视频信号输入时,采集并解码所述视频信号,以获取所述视频信号中的图像数据;
    获取模块,用于获取所述图像数据在所述显示装置的显示屏中的每个像素点的RGB值;
    判断模块,用于分别判断每个所述像素点的RGB值中的R值、G值、B值是否一致;
    第一输出模块,用于当所述判断模块的判断结果为是时,采用第一种图像模式对所述视频信号数据进行输出;
    第二输出模块,用于当所述判断模块的判断结果为否时,采用第二种图像模式对所述视频信号数据进行输出。
  7. 根据权利要求6所述的视频信号处理装置,其特征在于,所述获取模块包括:
    适配单元,用于将所述图像数据适配在所述显示装置的显示屏中并进行缓存;
    第一获取单元,用于获取所述显示屏中的每个坐标点存放的像素点的RGB值。
  8. 根据权利要求6所述的视频信号处理装置,其特征在于,所述采集模块包括:
    采集单元,用于采集所述视频信号;
    第二获取单元,用于获取所述视频信号中其中一视频帧对应的图像数据;
    解码单元,用于对所述图像数据进行解码处理,以获取解码处理后的图像数据,所述视频信号中的图像数据,所述解码处理包括缩放、裁剪、色彩空间转换中的至少一种。
  9. 根据权利要求6所述的视频信号处理装置,其特征在于,所述第一种图像模式为DICOM图像模式,所述DICOM标准图像模式包括关闭清晰度、关闭动态对比度、关闭Color图像处理中的至少一种,并采用预先调整过的支持DICOM标准的GAMMA。
  10. 一种可读存储介质,其上存储有计算机程序,其特征在于,该程序被处理器执行时实现如权利要求1-6任意一项所述的方法。
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