CN106382919A - Agricultural trinocular remote-sensing multispectral camera - Google Patents

Agricultural trinocular remote-sensing multispectral camera Download PDF

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Publication number
CN106382919A
CN106382919A CN201610830058.8A CN201610830058A CN106382919A CN 106382919 A CN106382919 A CN 106382919A CN 201610830058 A CN201610830058 A CN 201610830058A CN 106382919 A CN106382919 A CN 106382919A
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module
trinocular
agricultural
remote sensing
image
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CN201610830058.8A
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Chinese (zh)
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苏宝峰
刘浩浩
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西北农林科技大学
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Publication of CN106382919A publication Critical patent/CN106382919A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
    • G01C11/02Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures

Abstract

The invention belongs to the technical field of agricultural unmanned plane remote sensing, and discloses an agricultural trinocular remote-sensing multispectral camera. The device emphasizes the trinocular image acquisition module design and integration method; and all modules are integrated and installed in a self-designed shell, and mounted to the bottom of the unmanned plane fuselage for use. Each single module of the trinocular image acquisition module is composed of a focusable lens, a CMOS (complementary metal oxide semiconductor) image sensor, a bandpass optical filter and a processing circuit. According to the calibrated optimum band for green vegetation in the field of remote sensing, the trinocular image acquisition module is respectively additionally provided with a visible-light optical filter, a near-infrared optical filter and a red-edge bandpass optical filter, thereby obtaining the high-quality RGB image, near-infrared image and red-edge bandpass image in the same scene. The device has the advantages of small size, light weight, low cost and high efficiency, and can satisfy the demands of multispectral image acquisition in the fields of agriculture and forestry.

Description

一种农用三目遥感多光谱相机 An agricultural TRINOCULAR remote sensing multispectral camera

技术领域 FIELD

[0001]本发明属于农业无人机遥感技术领域,具体涉及一种可获取近红外、红、绿、蓝、红边五种光谱波段图像信息的农用三目遥感相机。 [0001] The present invention belongs to the field of agricultural UAV remote sensing, particularly relates to an acquired near-infrared, red, green, blue, red band edge image information agricultural trinocular five spectral remote sensing camera.

背景技术 Background technique

[0002]我国现代化农业发展迅速,精细农业和智能农业技术不断提高,多光谱图像采集在农业上的运用非常广泛,尤其是在提倡精准农业管理模式的今天更是显得尤为重要。 [0002] the rapid development of modern agriculture, precision agriculture and intelligent agricultural technology continues to improve, the use of multispectral image acquisition in agriculture is very extensive, especially it is particularly important in the promotion of precision agriculture management today. 多光谱成像技术可以感应可见光到热红外不同的狭窄波段的能量,以此获得特定波段上的影像,用于识别地物的具体生长状态,就可确定施肥管理情况和病虫害预防等,因此农业图像采集设备的发展关系到智能农业的进程。 Multi-spectral imaging technology to sense visible light of a different narrow band of infrared heat energy, thereby obtaining an image of the specific band, specific feature for identifying the state of growth, fertilization can be determined, and management of pest prevention, and therefore the image AGRICULTURAL acquisition of equipment related to the development process of intelligent agriculture. 但是市场上现存的农业多光谱相机价格相对较高,以美国Tetracam公司的农业多光谱数字摄像头(Tetracam ADC SNAP MultispectralCamera)为例,这款摄像头的价格在30000元人民币左右,价格相当昂贵,还有国内采用线性CCD技术的多光谱相机也存在图像质量低的问题,这些都不利于多光谱成像技术在农业上的普及和应用,在一定程度上限制了农业精准化的推进和发展。 However, the existing multi-spectral camera on the market of agricultural prices are relatively high, the United States Tetracam's agricultural multispectral digital camera (Tetracam ADC SNAP MultispectralCamera), for example, the price of this camera is about 30,000 yuan, the price is quite expensive, as well as domestic use of linear CCD multispectral camera technology there is low image quality issues, which are not conducive to the popularization and application of multispectral imaging technology in agriculture, limiting the precision of agriculture promotion and development to some extent. 因此,设计一款成本低廉而又实用的农业多光谱相机就非常具有现实意义。 Therefore, to design a low-cost and practical agriculture multispectral camera is very relevant.

发明内容 SUMMARY

[0003]本发明设计了一种农用三目遥感多光谱相机,目的是改进现有搭载于无人机上的相机的缺点和不足,获高质量的农业图像信息,实现不同波段的农业图像采集,便于后续图像处理工作。 [0003] The present invention contemplates an agricultural multi-spectral remote sensing trinocular camera, aimed at improving the conventional camera on the UAV mounted on the shortcomings and deficiencies, agricultural quality image information obtained, image capture agricultural implement different wavelength bands, facilitating subsequent image processing.

[0004]为了解决上述存在的技术问题,本发明采用了以下方案: [0004] In order to solve the above technical problem, the present invention employs the following means:

[0005] —种农用三目遥感多光谱相机,其特征在于:包括三目图像采集模块与选择模块、以ARM芯片为核心的中央处理器、数据存储模块、供电接口、GNSS模块、WiFi模块、拍摄触发模块和外壳。 [0005] - three kinds of agricultural multi-spectral remote sensing camera head, characterized by: an image acquisition module includes three mesh with the selection module, the ARM chip as the core central processor, a data storage module, a power supply interface, the GNSS module, WiFi module, shooting trigger module and the housing. 此相机可获取近红外、红、绿、蓝、红边五种波段的图像信息,按需要可转化为不同格式的图像后进行存储。 This camera can obtain near-infrared, red, green, blue, red edge five kinds of image information band, it can be converted as needed to store the images of different formats.

[0006]优选的,所述三目图像采集模块分别加装可见光范围的滤光片、近红外滤光片和红边带通滤光片,如有需要,还可更换相应波长的滤光片。 [0006] Preferably, the image acquisition module trinocular respectively installed filters visible light range, near-infrared red edge filter and a band-pass filter, if necessary, may replace the corresponding wavelength filter .

[0007]优选的,所述三目图像采集模块单模块由可调焦镜头(I)、带通滤光片(2)和CMOS图像传感器(3)三部分构成。 [0007] Preferably, the image acquisition module trinocular by a single-focus lens module (the I), a band-pass filter (2) and a CMOS image sensor (3) of three parts.

[0008]优选的,所述选择模块可描述为三目图像采集模块切换开关电路,选用模拟电子开关控制。 [0008] Preferably, the selection module may be described as three image acquisition module mesh switch circuit, an analog electronic switch selection control.

[0009]优选的,所述三目图像采集模块与选择模块集成设计在PCB电路板2(6)上。 [0009] Preferably, the image acquisition module trinocular selection module integrated with the design of the circuit board 2 on the PCB (6).

[0010]优选的,所述中央处理器、数据存储模块、供电模块、GNSS模块、WiFi模块和拍摄触发模块集成设计在PCB电路板I (5)上。 [0010] Preferably, the central processor, a data storage module, a power supply module, the GNSS module, WiFi module, and an imaging trigger module is integrated in the PCB design of the circuit board I (5).

[0011 ]优选的,所述数据存储模块由SD卡存储。 [0011] Preferably, the data storage module stores the SD card.

[0012]优选的,所述供电接口电源由无人机电源提供,具有稳压适配电路,通过外接导线与无人机内部电源接口焊接。 [0012] Preferably, the power supply interface power supply is provided by the UAV, having a regulator adaptation circuit, by an external power connector internal conductor and the UAV welding.

[0013]优选的,所述WiFi模块和拍摄触发模块,通过连接无人机飞控的无线发射器,实现对该设备拍摄的实时控制,另外在联网的情况下,能通过图像远程模块将数据远程存储到云端服务器。 [0013] Preferably, the WiFi module and the imaging trigger module, by connecting the flight control wireless transmitter, real-time control of the imaging device, while in the case of networking, the remote modules via the image data remote storage to the cloud server.

[0014]优选的,所述GNSS模块是可支持北斗、GPS及格洛纳斯卫星导航系统的接收模块,用与记录相机的具体位置。 [0014] Preferably, the module is supported GNSS receiver module Compass, GPS and GLONASS satellite navigation system, with the specific position of the recording cameras.

[0015]该农用三目遥感多光谱相机置具有以下有益效果: [0015] The agricultural multi-spectral remote sensing camera trinocular set has the following advantages:

[0016] 1、本发明设计采用三个图像采集模,单一模块选择CMOS图像传感器和可调焦镜头,并进行拍摄距离与镜头焦距的匹配,能够获得高质量的图像。 [0016] 1, the present invention employs three design image capture mode, a single module may select the CMOS image sensor and a focusing lens, and the lens focal length photographing distance matches, it is possible to obtain a high quality image.

[0017] 2、本发明选择无人机飞控的WiFi发射器作为信号传输器件,实现对相机的实时控制,不需要另设基站,降低成本。 [0017] 2, the present invention selects a WiFi flight control transmitter as a signal transmission device, real-time control of the camera does not need a separate base, reduce costs.

[0018] 3、本发明具有体积小、重量轻、成本低、快速拍摄的特点,对推动智能化、精细化农业的发展具有重要意义。 [0018] 3, the present invention has a small size, light weight, low cost, rapid shooting characteristics, promoting intelligence, fine important agricultural development.

附图说明 BRIEF DESCRIPTION

[0019]图1:本发明三目遥感多光谱相机的结构示意图; [0019] Figure 1: three head multispectral remote sensing camera according to the present invention is a schematic structural diagram;

[0020]图2:本发明中单一图像采集模块的结构示意图; [0020] Figure 2: Structure of the present invention in a schematic view of a single image acquisition module;

[0021] 附图标记说明: [0021] REFERENCE NUMERALS:

[0022] 1-可调焦镜头;2-滤光片;3-CM0S图像传感器;4_外壳;5-PCB电路板I; 6-PCB电路板2。 [0022] 1- adjustable focus lens; 2- filter; 3-CM0S an image sensor; 4_ housing; 5-PCB board I; 6-PCB circuit board 2.

具体实施方式 Detailed ways

[0023]下面结合附图,对本发明做进一步说明,但本发明的实施方式不限于此。 [0023] DRAWINGS The present invention will be further described, embodiments of the present invention is not limited thereto.

[0024]如图1至图2所示,本实施例的三目遥感多光谱相机,包括三目图像采集模块与选择模块、中央处理器、数据存储模块、供电模块、GNSS模块、WiFi模块、拍摄触发模块和外壳。 [0024] As shown in FIG. 1 to FIG. 2, the three head embodiment of multispectral remote sensing camera embodiment, comprising three head image acquisition module and a selection module, a central processor, a data storage module, a power supply module, the GNSS module, WiFi module, shooting trigger module and the housing. 所述三目图像采集模块分别加装可见光范围的滤光片、近红外滤光片和红边带通滤光片。 Trinocular the image acquisition module are installed filters visible light range, near-infrared red edge filter and bandpass filter. 单模块由可调焦镜头(I)、滤光片(2)和CMOS图像传感器(3)三部分构成。 Single module, the filter (2) and a CMOS image sensor (3) consists of three parts can focus lens (I). 中央处理器、数据存储模块、供电模块、GNSS模块、WiFi模块和拍摄触发模块集成设计在PCB电路板I (5)上。 A central processor, a data storage module, a power supply module, the GNSS module, WiFi module, and an imaging trigger module is integrated in the PCB design of the circuit board I (5). PCB电路板I (5)与PCB电路板2 (6)通过FFC软排线相连。 PCB board I (5) of the circuit board 2 and the PCB (6) connected via a flexible flat cable FFC. 数据存储模块由SD卡存储XNSS模块记录相机的具体位置。 Data storage module is a recording position of the SD card memory module XNSS camera. 供电模块电源由无人机电源提供,具有稳压适配电路,通过外接导线与无人机内部电源焊接。 The power supply module is provided by UAV power supply, having a regulator adaptation circuit, through the internal conductor and an external power source UAV welding. WiFi模块和拍摄触发模块,通过连接无人机飞控的无线发射器,实现对该设备拍摄的实时控制,另外在联网的情况下,能通过图像远程模块将数据远程存储到云端服务器。 WiFi module and the imaging trigger module, by connecting the flight control wireless transmitter, real-time control of the imaging device, while in the case of networking, the remote modules through the image data stored in the remote server to the cloud.

[0025]组装时,第一步组装好单一图像采集模块;第二步三个模块分别通过FFC软排线及连接器连接PCB电路板2(6),并用螺钉固定;第三步PCB电路板2(6)提前已焊接选择模块所需器件,把连接好的三目图像采集模块装入外壳中,用螺钉与外壳设计的连接处固连;第四步安装PCB电路板I与PCB电路板2相连的FFC软排线,并把PCB电路板1(5)装入外壳中,用螺钉与外壳设计的连接处固连;最后安装后壳,并用螺钉固连。 [0025] When assembled, the first step is assembled single image acquisition module; Step three modules 2 are connected to the circuit board PCB (6) by the flexible flat cable FFC and the connector, and screw; Step PCB board 2 (6) welded in advance to select the desired module device is connected to the trinocular good image acquisition module into the housing, the connection is secured with a screw design of the housing; a fourth step of mounting PCB circuit board PCB board I 2 FFC flexible flat cable is connected, the circuit board 1 and the PCB (5) into the housing, the screw connection is secured to the housing design; after the final mounting case, and secured with screws.

[0026]使用时,搭载到无人机机身底部,接入无人机提供的电源,按下开关。 [0026] In use, the bottom of the fuselage is mounted to the UAV, the UAV to provide access to the power supply, the switch is pressed. 相机通电工作,通过程序设置等待拍摄触发信号后开始拍摄,拍摄触发信号由无人机自带手机APP软件提供,提供方法为:当手机设定好无人机要飞行的区域及路线后,通过程序读取到无人机达到指定飞行起始点,提供拍照信号,该相机开始拍照;当程序读取到无人机到达飞行路线终点,提供停止拍照信号,该相机停止拍照。 Camera power work, a program set up after waiting for a trigger signal to start shooting, the shooting trigger signal by the drone comes with the phone APP software, offering ways for: When the phone is set up regional and UAVs to fly the route after by UAV program reads the specified flight to the starting point, providing a signal to take pictures, the camera started taking pictures; when the program reads the UAV flight path to reach the end, provide a signal to stop taking pictures, the camera stops taking pictures.

[0027]本发明内部选择模块原理如下:选用单刀三掷模拟电子开关控制,实现三个图像采集模块的信号传递和转接。 Internal selection module principles of the invention [0027] The present are as follows: selection of single-pole three-throw analog electronic switch control, signaling and switching three image acquisition module. 当对同一场景进行拍照时,程序控制输出拍照脉冲信号到单刀三掷模拟电子开关,选通一个图像采集模块,实现此模块与中央处理器的信号连接。 When the same scene is photographed, photographing procedure control output pulse signal to the analog single-pole three-throw electronic switch, a gating image acquisition module, for signal connection to the module of the central processor. 控制单刀三掷开关对不同摄像头的切换,每当切换到某一个摄像头时,程序控制摄像头拍照,然后中央处理器读取该摄像头的图像信息,并按时间命名方式保存在SD卡中。 Control single-pole three-throw switch to switch between different camera, whenever a handover to a camera, camera, camera control program, and a central processing unit reads image information of the camera, and press time naming stored in the SD card.

[0028]本发明具有体积小、重量轻、成本低、快速拍摄的特点,解决了图像质量低,设备成本高的问题,对推动智能化、精细化农业的发展具有重要意义。 [0028] The present invention has a small size, light weight, low cost, fast shooting features, solving the low image quality, the high cost of equipment problems, to promote intelligent, meticulous development of agriculture is important.

[0029]上面结合附图对本发明进行了示例性的描述,显然本发明的实现并不受上述方式的限制,只要采用了本发明的方法构思和技术方案进行的各种改进,或未经改进将本发明的构思和技术方案直接应用于其它场合的,均在本发明的保护范围内。 [0029] The above in conjunction with the accompanying drawings of the present invention has been described with exemplary implementations of the present invention is clearly not limited to the above embodiment, as long as the method employed spirit and aspect of the present invention that various modifications, improvements, or without the concepts and techniques of the present invention is directly applicable to other applications, it is within the scope of the present invention.

Claims (10)

1.一种农用三目遥感多光谱相机,其特征在于:包括三目图像采集模块与选择模块、以ARM芯片为核心的中央处理器、数据存储模块、供电接口、GNSS模块、WiFi模块、拍摄触发模块和外壳。 1. An agricultural trinocular Remote multi-spectral cameras, characterized by: an image acquisition module includes three mesh with the selection module, the ARM chip as the core central processor, a data storage module, a power supply interface, the GNSS module, WiFi module, shooting trigger module and the housing. 此相机可获取近红外、红、绿、蓝、红边五种波段的图像信息,按需要可转化为不同格式的图像后进行存储。 This camera can obtain near-infrared, red, green, blue, red edge five kinds of image information band, it can be converted as needed to store the images of different formats.
2.根据权利要求1所述的一种农用三目遥感多光谱相机,其特征在于:所述三目图像采集模块分别加装可见光范围的滤光片、近红外滤光片和红边带通滤光片,如有需要,还可更换相应波长的滤光片。 2. An agricultural 1 according to the trinocular Multispectral remote sensing camera as claimed in claim, wherein: said image acquisition module trinocular respectively installed filters visible light range, near-infrared band-pass filter and the red side filter, if necessary, may replace the corresponding wavelength filter.
3.根据权利要求1所述的一种农用三目遥感多光谱相机,其特征在于:所述三目图像采集模块单模块由可调焦镜头(1)、带通滤光片(2)和CMOS图像传感器(3)三部分构成。 1 according to one of the agricultural multi-spectral remote sensing camera trinocular claim, wherein: said image acquisition module trinocular module by a single focus lens (1), a band-pass filter (2), and CMOS image sensor (3) of three parts.
4.根据权利要求1所述的一种农用三目遥感多光谱相机,其特征在于:所述选择模块可描述为三目图像采集模块切换开关电路,选用单刀三掷模拟电子开关控制。 According to claim 1 an agricultural multi-spectral remote sensing camera trinocular claim, wherein: said selection module may be described as three image acquisition module mesh switch circuit, the choice of single-pole three-throw analog electronic switch.
5.根据权利要求1所述的一种农用三目遥感多光谱相机,其特征在于:所述三目图像采集模块与选择模块集成设计在PCB电路板2 (6)上。 An agricultural according to claim 1 trinocular multispectral remote sensing camera, wherein: said image acquisition module trinocular selection module integrated with the design of the circuit board 2 in the PCB (6).
6.根据权利要求1所述的一种农用三目遥感多光谱相机,其特征在于:所述中央处理器、数据存储模块、供电模块、GNSS模块、WiFi模块和拍摄触发模块集成设计在PCB电路板I(5)上。 An agricultural according to claim 1 trinocular multispectral remote sensing camera as claimed in claim, wherein: said central processing unit, a data storage module, a power supply module, the GNSS module, WiFi module, and an imaging trigger integrated circuit module PCB design I plate (5).
7.根据权利要求6所述的一种农用三目遥感多光谱相机,其特征在于:所述数据存储模块由SD卡存储。 An agricultural according to claim 6 trinocular multispectral remote sensing camera, wherein: said data storage module by the SD memory card.
8.根据权利要求6所述的一种农用三目遥感多光谱相机,其特征在于:所述供电接口电源由无人机电源提供,具有稳压适配电路,通过外接导线与无人机内部电源接口焊接。 An agricultural according to claim 6 trinocular Multispectral remote sensing camera as claimed in claim, wherein: said power supply interface power supply is provided by the UAV, having a regulator adaptation circuit, through the internal outer lead UAV welding power supply interface.
9.根据权利要求6所述的一种农用三目遥感多光谱相机,其特征在于:所述WiFi模块和拍摄触发模块,通过连接无人机飞控的无线发射器,实现对该设备拍摄的实时控制,另外在联网的情况下,能通过图像远程模块将数据远程存储到云端服务器。 According to claim 6, one of the agricultural multi-spectral remote sensing camera trinocular claim, wherein: said imaging trigger module and a WiFi module, by connecting the flight control radio transmitter, to achieve the imaging apparatus real-time control, in the case of a networked Further, the remote modules through the image data stored in the remote server to the cloud.
10.根据权利要求6所述的一种农用三目遥感多光谱相机,其特征在于:所述GNSS模块是可支持北斗、GPS及格洛纳斯卫星导航系统的接收模块,用与记录相机的具体位置。 10. An agricultural according to claim 6 trinocular multispectral remote sensing camera, wherein: said module is supported GNSS receiver module Compass, GPS and GLONASS satellite navigation system, with the camera recording the specific position.
CN201610830058.8A 2016-09-09 2016-09-09 Agricultural trinocular remote-sensing multispectral camera CN106382919A (en)

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