Monitoring plant condition and phenology using infrared sensitive consumer grade digital cameras
نویسندگان
چکیده
منابع مشابه
Zoom-dependent Calibration for Consumer Grade-cameras
A significant practical constraint currently applying to the adoption of consumer-grade digital cameras for photogrammetric measurement is the requirement to record images at fixed zoom and focus settings. This is a consequence of the variation of camera calibration parameters, especially principal distance and lens distortion, with changing zoom and focus. This paper describes a zoomdependent ...
متن کاملUse of Consumer-grade Depth Cameras in Mobile Robot Navigation
Simultaneous Localization And Mapping (SLAM) stands as one of the core techniques used by robots for autonomous navigation. Cameras combining Red-Green-Blue (RGB) color information and depth (D) information are called RGB-D cameras or depth cameras. RGB-D cameras can provide rich information for indoor mobile robot navigation. Microsoft’s Kinect device, a representative low cost RGB-D camera pr...
متن کاملCrop Classification and LAI Estimation Using Original and Resolution-Reduced Images from Two Consumer-Grade Cameras
Consumer-grade cameras are being increasingly used for remote sensing applications in recent years. However, the performance of this type of cameras has not been systematically tested and well documented in the literature. The objective of this research was to evaluate the performance of original and resolution-reduced images taken from two consumer-grade cameras, a RGB camera and a modified ne...
متن کاملGeometric Stability of Low-cost Digital Consumer Cameras
During the last years the number of available low-cost digital consumer cameras has significantly increased while their prices decrease. Therefore for many applications with no high-end accuracy requirements it is an important consideration whether to use low-cost cameras. This paper investigates in the use of consumer cameras for photogrammetric measurements and vision systems. An important as...
متن کاملSystem Implications of Implementing Auto-Exposure on Consumer Digital Cameras
In consumer digital cameras, some of the primary tasks in the image capture data path include automatic focus, automatic exposure (AE) determination and auto-white balance. There are numerous algorithms used in implementing these tasks – auto-focus is implemented using maximum contrast, ranging or sonar; white balance using color gamut determinations and “gray value estimations”, and auto-expos...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Agricultural and Forest Meteorology
سال: 2014
ISSN: 0168-1923
DOI: 10.1016/j.agrformet.2013.09.007