WO2023019445A1 - Procédé de traitement d'image, véhicule aérien sans pilote et support de stockage - Google Patents

Procédé de traitement d'image, véhicule aérien sans pilote et support de stockage Download PDF

Info

Publication number
WO2023019445A1
WO2023019445A1 PCT/CN2021/113096 CN2021113096W WO2023019445A1 WO 2023019445 A1 WO2023019445 A1 WO 2023019445A1 CN 2021113096 W CN2021113096 W CN 2021113096W WO 2023019445 A1 WO2023019445 A1 WO 2023019445A1
Authority
WO
WIPO (PCT)
Prior art keywords
attitude
light intensity
intensity sensor
unmanned aerial
aerial vehicle
Prior art date
Application number
PCT/CN2021/113096
Other languages
English (en)
Chinese (zh)
Inventor
潘国秀
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2021/113096 priority Critical patent/WO2023019445A1/fr
Publication of WO2023019445A1 publication Critical patent/WO2023019445A1/fr

Links

Images

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/08Control of attitude, i.e. control of roll, pitch, or yaw

Definitions

  • Fig. 8 is a schematic block diagram of an unmanned aerial vehicle provided by an embodiment of the present application.
  • Figure 9 is a schematic block diagram of an unmanned aerial vehicle in another embodiment.
  • the light intensity sensor outputs an analog electrical signal under lighting conditions
  • brightness information can be determined according to the analog electrical signal output by the light intensity sensor.
  • the photographing device further includes a color camera.
  • the color camera can also be controlled to photograph the target plot to obtain a color image; and according to the color image Image enhancement is performed on each reflectance image.
  • the attitude adjustment is controlled according to the target state of the attitude adjustment device corresponding to the current attitude of the light intensity sensor device, so that the angle between the detection direction of the light intensity sensor and the horizontal plane is basically equal to the preset value.
  • the status of the attitude adjustment device may include at least one of the following: the rotation direction, rotation range, and rotation position of the motor in the attitude adjustment device.
  • the controlling the attitude adjustment device to adjust the attitude of the light sensor according to the current attitude of the UAV and the installation relationship between the UAV and the light sensor includes: according to the The current attitude of the unmanned aerial vehicle and the installation relationship between the unmanned aerial vehicle and the light intensity sensor determine the current attitude of the light intensity sensor; control the attitude adjustment device to adjust the light according to the current attitude of the light intensity sensor Strong sensor pose.
  • the method further includes: when the current sun altitude angle is greater than or equal to a first altitude angle threshold, controlling the attitude adjustment device to fix the light intensity sensor.
  • the current unmanned aerial vehicle In order to ensure the compensation effect for the change of ambient light, the current unmanned aerial vehicle usually requires the completion of data collection between 12:00 noon and 2:00 p.m. when the sun altitude angle is basically the highest in the day, but This also greatly shortens the operation time, which is not conducive to carrying out large-scale data collection operations.
  • the operating area can be obtained by the terminal device according to the user's area setting operation, or obtained by the position sensor mounted on the unmanned aerial vehicle or the terminal device.
  • the position sensor includes, for example, a GPS sensor, an RTK sensor, and is certainly not limited to this.
  • the operation area may also be a latitude and longitude, or an administrative division, or a geographical area.
  • the determination of the operation time of the second sun altitude angle information it can be made that during the operation time, the brightness information collected by the light intensity sensor is less affected by the flight direction and/or attitude of the unmanned aerial vehicle, and the brightness information more acurrate.
  • the sun altitude angle during the operation time is relatively high, and it is difficult for the light intensity sensor to face the sun due to the adjustment of the attitude or flight direction of the unmanned aerial vehicle, which can avoid or reduce the light intensity when the unmanned aerial vehicle adjusts the flight direction or attitude.
  • the brightness information collected by the sensor changes greatly, so that the streak phenomenon on the image after the light compensation processing can be reduced or eliminated.
  • the second elevation angle threshold is determined according to the performance of the light intensity sensor. So that when the sun altitude angle is greater than the second altitude angle threshold value, the unmanned aerial vehicle adjusts the flight direction or attitude, and the brightness information collected by the light intensity sensor changes little, and the angle of the sunlight incident on the light intensity sensor can also remain basically the same , the data collected by the light intensity sensor is more accurate. Therefore, it is possible to provide an operation time that matches the optical characteristics of the illumination sensor and can ensure that the optical sensor effectively collects data, and helps the optical sensor to collect effective data.
  • the unmanned aerial vehicle When the unmanned aerial vehicle is flying, by adjusting the angle between the detection direction of the light intensity sensor and the horizontal plane to be greater than or equal to the preset value, it is possible to make the unmanned aerial vehicle have different headings and Attitude, the angle of sunlight incident on the light intensity sensor can also be kept basically the same, so the influence of the flight direction and/or attitude of the UAV on the brightness information collected by the light intensity sensor can be reduced, and more accurate brightness information can be obtained.
  • the attitude adjustment device is controlled to fix the light intensity sensor.
  • the second solar altitude angle information of the operation area on the operation date is determined.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

La demande concerne un procédé de traitement d'image, consistant à : commander un dispositif de réglage d'attitude afin de régler l'attitude d'un capteur d'intensité lumineuse, de telle sorte qu'une direction de détection du capteur d'intensité lumineuse soit tournée vers le dessus du fuselage d'un véhicule aérien sans pilote (S110); commander le capteur d'intensité lumineuse afin d'acquérir des informations de luminosité (S120); et réaliser d'un traitement de compensation de lumière sur une image en fonction des informations de luminosité, l'image étant photographiée par un dispositif de photographie monté sur le véhicule aérien sans pilote (S130). De cette manière, l'image peut être traitée en fonction d'informations de luminosité plus précises. La présente demande concerne en outre un véhicule aérien sans pilote et un support de stockage.
PCT/CN2021/113096 2021-08-17 2021-08-17 Procédé de traitement d'image, véhicule aérien sans pilote et support de stockage WO2023019445A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/113096 WO2023019445A1 (fr) 2021-08-17 2021-08-17 Procédé de traitement d'image, véhicule aérien sans pilote et support de stockage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/113096 WO2023019445A1 (fr) 2021-08-17 2021-08-17 Procédé de traitement d'image, véhicule aérien sans pilote et support de stockage

Publications (1)

Publication Number Publication Date
WO2023019445A1 true WO2023019445A1 (fr) 2023-02-23

Family

ID=85239983

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/113096 WO2023019445A1 (fr) 2021-08-17 2021-08-17 Procédé de traitement d'image, véhicule aérien sans pilote et support de stockage

Country Status (1)

Country Link
WO (1) WO2023019445A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117268170A (zh) * 2023-10-23 2023-12-22 广州天海翔航空科技有限公司 一种无人机弹射控制方法、装置、设备和存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013143190A1 (fr) * 2012-03-27 2013-10-03 江苏振发新能源科技发展有限公司 Système de poursuite solaire pour un service automatique de production d'énergie photovoltaïque
CN106027915A (zh) * 2016-07-05 2016-10-12 杨珊珊 无人飞行器的补光***及其补光方法
CN205726068U (zh) * 2016-07-05 2016-11-23 杨珊珊 无人飞行器的补光装置
CN110720210A (zh) * 2018-07-11 2020-01-21 深圳市大疆创新科技有限公司 照明设备控制方法、设备、飞行器及***
CN110832419A (zh) * 2018-07-25 2020-02-21 深圳市大疆创新科技有限公司 一种无人机控制方法、***及无人机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013143190A1 (fr) * 2012-03-27 2013-10-03 江苏振发新能源科技发展有限公司 Système de poursuite solaire pour un service automatique de production d'énergie photovoltaïque
CN106027915A (zh) * 2016-07-05 2016-10-12 杨珊珊 无人飞行器的补光***及其补光方法
CN205726068U (zh) * 2016-07-05 2016-11-23 杨珊珊 无人飞行器的补光装置
CN110720210A (zh) * 2018-07-11 2020-01-21 深圳市大疆创新科技有限公司 照明设备控制方法、设备、飞行器及***
CN110832419A (zh) * 2018-07-25 2020-02-21 深圳市大疆创新科技有限公司 一种无人机控制方法、***及无人机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117268170A (zh) * 2023-10-23 2023-12-22 广州天海翔航空科技有限公司 一种无人机弹射控制方法、装置、设备和存储介质
CN117268170B (zh) * 2023-10-23 2024-03-22 广州天海翔航空科技有限公司 一种无人机弹射控制方法、装置、设备和存储介质

Similar Documents

Publication Publication Date Title
US20220343598A1 (en) System and methods for improved aerial mapping with aerial vehicles
US10902566B2 (en) Methods for agronomic and agricultural monitoring using unmanned aerial systems
De Oca et al. Low-cost multispectral imaging system for crop monitoring
US9945828B1 (en) Airborne multispectral imaging system with integrated navigation sensors and automatic image stitching
JP7074126B2 (ja) 画像処理装置、生育調査画像作成システム及びプログラム
CN110869744B (zh) 信息处理设备、信息处理方法、程序和信息处理***
US11721008B2 (en) Multispectral filters
CN110987183A (zh) 多光谱成像***及方法
Daroya et al. NDVI image extraction of an agricultural land using an autonomous quadcopter with a filter-modified camera
WO2023019445A1 (fr) Procédé de traitement d'image, véhicule aérien sans pilote et support de stockage
US20190236764A1 (en) Voronoi Cropping of Images for Post Field Generation
CN113474635A (zh) 图像处理设备、图像处理方法和程序
US20240013485A1 (en) System and methods for improved aerial mapping with aerial vehicles
WO2021115166A1 (fr) Dispositif de détermination, objet volant, procédé de détermination et programme
JP6690106B1 (ja) 決定装置、撮像システム、及び移動体
JP2019212961A (ja) 移動体、光量調整方法、プログラム、及び記録媒体
JP2008258679A (ja) ラインセンサ観測画像の色補正方法
WO2021083049A1 (fr) Dispositif de traitement d'image, procédé de traitement d'image et programme
Raeva et al. GEOSPATIAL AND TEMPORAL ANALYSES OF RURAL AREA FOR VEGETATION ANALYSIS

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21953696

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE