CN108089714A - A kind of PPT control systems based on gesture identification - Google Patents
A kind of PPT control systems based on gesture identification Download PDFInfo
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Abstract
本发明公开了一种基于手势识别的PPT控制系统，该系统包括：ZX手势传感器模块，能够隔空检测到传感器上方的动作和手势，通过微处理器产生相应的数据，并发送给单片机最小系统模块；单片机最小系统模块，用于接收数据并处理数据；USB转串口模块，用于解决通讯接口转换电路的外部供电问题、电平兼容问题，实现数据通讯；上位机PC，用于编写相关程序，在打开指定PPT后，将接收后的数据与程序内部事先设定好的手势代码进行比较后，实现PPT的上、下翻页或退出放映功能。本发明的有益效果是：在对PPT进行演示的过程中，可通过手势进行控制，不再使用鼠标、键盘等装置点击操作，可突破空间局限，节省了时间，同时提高了演示的流畅性。
The invention discloses a PPT control system based on gesture recognition. The system includes: a ZX gesture sensor module, which can detect motions and gestures above the sensor at a distance, generate corresponding data through a microprocessor, and send it to the minimum system of a single chip microcomputer Module; the smallest system module of single-chip microcomputer, used to receive data and process data; USB to serial port module, used to solve the problem of external power supply and level compatibility of the communication interface conversion circuit, and realize data communication; upper computer PC, used to write related programs , after opening the specified PPT, compare the received data with the gesture code set in advance in the program, and realize the function of turning pages up and down or exiting the PPT. The beneficial effects of the present invention are: in the process of demonstrating PPT, gestures can be used to control, no mouse, keyboard and other devices need to be used for clicking operations, which can break through space limitations, save time, and improve the smoothness of demonstration.
Description
技术领域technical field
本发明涉及办公教学演示控制领域，具体为一种基于手势识别的PPT控制系统。The invention relates to the field of office teaching demonstration control, in particular to a PPT control system based on gesture recognition.
背景技术Background technique
在教学办公授课或会议报告系统中，对于使用PowerPoint制作的各种文档报告，相关负责人在进行汇报时，会根据讲解内容使用鼠标或者键盘以及控屏上各种物理按键进行切换页面，尤其是负责人在与观众交流过程中，需要重新回到讲台对PPT页面进行更新，这样不利于与观众互动，同时也可能因为中途停顿使观众丧失了热情，束缚了人们的活动范围，在一定程度上占用了一定时间，给实际生活带来了诸多不便。In the teaching, office, lecture or meeting report system, for various document reports made using PowerPoint, when reporting, the relevant person in charge will use the mouse or keyboard and various physical buttons on the control screen to switch pages according to the explanation content, especially In the process of communicating with the audience, the person in charge needs to return to the podium to update the PPT page, which is not conducive to interacting with the audience. At the same time, the audience may lose enthusiasm due to the pause in the middle, which restricts the scope of people's activities. To a certain extent It took a certain amount of time and brought a lot of inconvenience to real life.
中国专利申请号为200610011999.5的发明专利申请公开了一种基于智能手机平台远程控制计算机的方法，其主要技术方案为：在手机端使用WAP通过手机上的屏幕和键盘对计算机进行记性控制，从而控制PPT的方法，这种技术在一定程度上能起到有效控制PPT的效果，但是在使用过程中，由于连网功能，会存在一定延时，使用过程中也会带来各种不方便。The invention patent application with the Chinese patent application number 200610011999.5 discloses a method for remotely controlling a computer based on a smart phone platform. The PPT method, this technology can effectively control the PPT to a certain extent, but in the process of use, due to the networking function, there will be a certain delay, and the process of use will also bring various inconveniences.
发明内容Contents of the invention
(一)要解决的技术问题(1) Technical problems to be solved
本发明要解决的技术问题是：The technical problem to be solved in the present invention is:
在进行PPT演示过程中，通过鼠标、键盘或遥控器等物理性装置进行控制时，约束了活动范围，操作比较固定化，无法到达快速便捷的操作效果。During the PPT demonstration process, when controlled by physical devices such as mouse, keyboard or remote control, the range of motion is restricted, the operation is relatively fixed, and fast and convenient operation effect cannot be achieved.
(二)技术方案(2) Technical solutions
为了解决上述问题，本发明提供了一种基于手势识别的PPT控制系统，该系统包括：In order to solve the above problems, the present invention provides a PPT control system based on gesture recognition, the system includes:
ZX手势传感器模块，能够隔空检测到传感器上方的动作和手势，通过微处理器产生相应的数据，并发送给单片机最小系统模块。The ZX gesture sensor module can detect motion and gestures above the sensor in the air, generate corresponding data through the microprocessor, and send it to the smallest system module of the single-chip microcomputer.
单片机最小系统模块，用于接收数据并处理数据。获取返回数据中FC后的第一个字节，并创建显示控件进行显示，处理后将得到的数据发送出去，通过USB转串口模块与上位机PC相连。The smallest system module of single chip microcomputer, used to receive data and process data. Obtain the first byte after FC in the returned data, and create a display control for display, and send the obtained data out after processing, and connect it to the host computer PC through the USB-to-serial port module.
USB转串口模块，用于解决通讯接口转换电路的外部供电问题、电平兼容问题，实现数据通讯。The USB-to-serial port module is used to solve the problem of external power supply and level compatibility of the communication interface conversion circuit, and realize data communication.
上位机PC，用于编写相关程序，在打开指定PPT后，将接收后的数据与程序内部事先设定好的手势代码进行比较后，实现PPT的上、下翻页或退出放映功能。The upper computer PC is used to write related programs. After opening the specified PPT, it compares the received data with the gesture code set in advance in the program, and realizes the function of turning pages up and down or exiting the projection of the PPT.
所述ZX手势传感器模块具体包括：The ZX gesture sensor module specifically includes:
两个LED，从LED往传感器两端发射红外光，模块中间有传感器接收反射回来的光线；Two LEDs, emit infrared light from the LED to both ends of the sensor, and a sensor in the middle of the module receives the reflected light;
发射器和接收器单元，根据测量这两个光学元件差值，判断外界手势信息；The transmitter and receiver units judge the external gesture information based on measuring the difference between the two optical elements;
微处理器单元，分布在传感器的后面，根据手势信息处理相关数据。The microprocessor unit, distributed behind the sensor, processes the relevant data based on the gesture information.
所述单片机最小系统模块具体包括：The minimum system module of the single-chip microcomputer specifically includes:
数据接收单元，用于接收ZX手势传感器中微处理器传送出来的数据；The data receiving unit is used to receive the data sent by the microprocessor in the ZX gesture sensor;
数据截取单元，根据字符串搜索及截取字符串控件截取取返回数据中FC后的第一个字节；The data interception unit intercepts the first byte after the FC in the returned data according to the string search and the intercept string control;
数据传输单元，用于将截取后的字符串传送出去。The data transmission unit is used to transmit the intercepted character string.
所述USB转串口模块具体包括：The USB-to-serial port module specifically includes:
四个引脚，分别为TXD引脚、RXD引脚、VCC引脚和GND引脚。Four pins are TXD pin, RXD pin, VCC pin and GND pin.
TXD引脚，接STM32中的RXD；TXD pin, connected to RXD in STM32;
RXD引脚，接STM32中的TXD；RXD pin, connected to TXD in STM32;
VCC引脚，接STM32中的3.3V；VCC pin, connected to 3.3V in STM32;
GND引脚，接STM32中的GND。GND pin, connected to GND in STM32.
所述上位机PC具体包括：The host computer PC specifically includes:
PPT打开程序单元，程序编写过程中采用一个两帧的平铺式顺序结构，第一帧放的是PPT的打开程序；The PPT opening program unit, a two-frame flat sequence structure is used in the program writing process, and the first frame is the PPT opening program;
数据比较单元，在第二帧里放的是数据比较程序，根据接收的数据信息与程序中事先设置好的手势代码进行比较，执行PPT的上、下翻页及退出放映程序功能。The data comparison unit puts the data comparison program in the second frame, compares the received data information with the gesture code set in advance in the program, and executes the functions of turning pages up and down and exiting the projection program of the PPT.
(三)有益效果(3) Beneficial effects
在对PPT进行演示的过程中，可通过手势进行控制，不再使用鼠标、键盘等装置点击操作，可突破空间局限，节省了时间，同时提高了演示的流畅性。In the process of demonstrating PPT, it can be controlled by gestures, instead of using mouse, keyboard and other devices to click and operate, which can break through the limitation of space, save time, and improve the fluency of demonstration at the same time.
附图说明Description of drawings
图1为本发明的一种基于手势识别的PPT控制系统组成框图；Fig. 1 is a kind of composition block diagram of the PPT control system based on gesture recognition of the present invention;
图2为本发明的一种基于手势识别的PPT控制系统工作流程图。Fig. 2 is a working flow chart of a PPT control system based on gesture recognition in the present invention.
具体实施方式Detailed ways
下面结合附图和对本发明具体实施方式作进一步详细阐述。以下实施例用于说明本发明，但不用来限制本发明的范围。In the following, a further detailed description will be given in conjunction with the accompanying drawings and specific embodiments of the present invention. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
参见图1，本发明的一种基于手势识别的PPT控制系统，该系统包括：Referring to Fig. 1, a kind of PPT control system based on gesture recognition of the present invention, this system comprises:
ZX手势传感器模块，能够隔空检测到传感器上方的动作和手势，通过微处理器产生相应的数据，并发送给单片机最小系统模块。The ZX gesture sensor module can detect motion and gestures above the sensor in the air, generate corresponding data through the microprocessor, and send it to the smallest system module of the single-chip microcomputer.
单片机最小系统模块，用于接收数据并处理数据。获取返回数据中FC后的第一个字节，并创建显示控件进行显示，处理后将得到的数据发送出去，通过USB转串口模块与上位机PC相连。The smallest system module of single chip microcomputer, used to receive data and process data. Obtain the first byte after FC in the returned data, and create a display control for display, and send the obtained data out after processing, and connect it to the host computer PC through the USB-to-serial port module.
USB转串口模块，用于解决通讯接口转换电路的外部供电问题、电平兼容问题，实现数据通讯。The USB-to-serial port module is used to solve the problem of external power supply and level compatibility of the communication interface conversion circuit, and realize data communication.
上位机PC，用于编写相关程序，在打开指定PPT后，将接收后的数据与程序内部事先设定好的手势代码进行比较后，实现PPT的上、下翻页或退出放映功能。The upper computer PC is used to write related programs. After opening the specified PPT, it compares the received data with the gesture code set in advance in the program, and realizes the function of turning pages up and down or exiting the projection of the PPT.
所述ZX手势传感器模块具体包括：The ZX gesture sensor module specifically includes:
两个LED，从LED往传感器两端发射红外光，模块中间有传感器接收反射回来的光线；Two LEDs, emit infrared light from the LED to both ends of the sensor, and a sensor in the middle of the module receives the reflected light;
发射器和接收器单元，根据测量这两个光学元件差值，判断外界手势信息；The transmitter and receiver units judge the external gesture information based on measuring the difference between the two optical elements;
微处理器单元，分布在传感器的后面，根据手势信息处理相关数据。The microprocessor unit, distributed behind the sensor, processes the relevant data based on the gesture information.
所述单片机最小系统模块具体包括：The minimum system module of the single-chip microcomputer specifically includes:
数据接收单元，用于接收ZX手势传感器中微处理器传送出来的数据；The data receiving unit is used to receive the data sent by the microprocessor in the ZX gesture sensor;
数据截取单元，根据字符串搜索及截取字符串控件截取取返回数据中FC后的第一个字节；The data interception unit intercepts the first byte after the FC in the returned data according to the string search and the intercept string control;
数据传输单元，用于将截取后的字符串传送出去。The data transmission unit is used to transmit the intercepted character string.
所述USB转串口模块具体包括：The USB-to-serial port module specifically includes:
四个引脚，分别为TXD引脚、RXD引脚、VCC引脚和GND引脚。Four pins are TXD pin, RXD pin, VCC pin and GND pin.
TXD引脚，接STM32中的RXD；TXD pin, connected to RXD in STM32;
RXD引脚，接STM32中的TXD；RXD pin, connected to TXD in STM32;
VCC引脚，接STM32中的3.3V；VCC pin, connected to 3.3V in STM32;
GND引脚，接STM32中的GND。GND pin, connected to GND in STM32.
所述上位机PC具体包括：The host computer PC specifically includes:
PPT打开程序单元，程序编写过程中采用一个两帧的平铺式顺序结构，第一帧放的是PPT的打开程序；The PPT opening program unit, a two-frame flat sequence structure is used in the program writing process, and the first frame is the PPT opening program;
数据比较单元，在第二帧里放的是数据比较程序，根据接收的数据信息与程序中事先设置好的手势代码进行比较，执行PPT的上、下翻页及退出放映程序功能。The data comparison unit puts the data comparison program in the second frame, compares the received data information with the gesture code set in advance in the program, and executes the functions of turning pages up and down and exiting the projection program of the PPT.
参见图2，本发明的一种基于手势识别的PPT控制系统按照以下步骤操作：Referring to Fig. 2, a kind of PPT control system based on gesture recognition of the present invention operates according to the following steps:
外界人手在做相关动作时，ZX手势传感器获取人体手势动作，通过传感器内部发射器和接收器返回差值对手势进行识别，不再使用鼠标、键盘等装置操作PPT,且动作较灵活，速度较快，有利于提高PPT演示流畅性。When external hands are doing related actions, the ZX gesture sensor acquires human gestures and recognizes the gestures through the difference returned by the sensor's internal transmitter and receiver. It no longer uses devices such as mice and keyboards to operate PPT, and the movements are more flexible and faster. Fast, which is conducive to improving the fluency of PPT presentations.
发射器和接收器单元返回的差值，会经过微处理器进行数据处理，并且以串口方式将数据传送给单片机最小系统。The difference returned by the transmitter and receiver units will be processed by the microprocessor, and the data will be transmitted to the minimum system of the single chip microcomputer through the serial port.
单片机最小系统接收到数据后，其数据截取单元会根据字符串搜索及截取字符串控件对返回数据中FC的第一个字节进行截取。After the minimum system of single-chip microcomputer receives the data, its data interception unit will intercept the first byte of FC in the returned data according to the string search and intercept string control.
数据截取单元截取后的字符串可为01、02和05，分别手势的左划和右划以及气推效果。The character strings intercepted by the data intercepting unit can be 01, 02 and 05, respectively for the left swipe and right swipe gestures and the air push effect.
截取字符串后通过USB转串口模块与上位机PC端相连，上位机PC包括PPT打开程序单元和数据比较单元。After the character string is intercepted, it is connected to the host computer PC through the USB-to-serial port module, and the host computer PC includes a PPT opening program unit and a data comparison unit.
PPT打开程序单元能调用的LabVIEW中ActiveX对应的幻灯片视图范例VI，对幻灯进行加载和运行。The slide view sample VI corresponding to ActiveX in LabVIEW can be called by the PPT opening program unit to load and run the slide show.
数据比较单元能将截取的数据与程序中实现设定好的手势代码进行比较，判断外界手势情况，并执行PPT翻页或退出操作。The data comparison unit can compare the intercepted data with the gesture code set in the program, judge the external gesture situation, and execute the PPT page turning or exit operation.
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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