PPT-Understanding Multispectral Reflectance

Remote sensing measures reflected light EMR Different materials reflect EMR differently Basis for distinguishing materials Reflectance Learning Objectives Be able to define reflectance qualitatively and quantitatively. source sensor surface element normal brPage 3br BRDF Bidirectional Reflectance Distribution Function T I source viewing direction surface element normal incident direction I T I T surface I T surface I T Irradiance at Surface in direction I T Radian Ritva. A. Keski-Kuha, Charles W. Bowers, Manuel A. Quijada. NASA/Goddard Space Flight Center. James B. Heaney, SGT Inc. Greenbelt. Benjamin Gallagher, Ball. . Aerospace & Technologies Corp. Andrew McKay Northrop Grumman Aerospace Systems. Dan . Sauceda. Outline. Information on the Region. Data Information. Reflectance Equations. MODIS Images. NDVI. Conclusions. Information on the Region. Latitude: 0. ˚N, -12˚S. Longitude: -56˚. E, -72. Chemometrics. SPECTRAL EVOLUTION. www.spectralevolution.com. SPECTRAL EVOLUTION. www.spectralevolution.com. Incorporated 2004. Full line supplier of UV-VIS-NIR spectrometers for lab, inline process & field portable remote sensing. Principles & Practice of Remote . Sensing. EM . Radiation (. ii). Dr. Mathias (Mat) Disney. UCL Geography. Office: 113, Pearson Building. Tel: 7679 0592. Email: mdisney@ucl.geog.ac.uk. http://www2.geog.ucl.ac.uk/~mdisney/teaching/GEOGG141/GEOGG141.html. Nigar. Sultana. 1. , Kenneth E. Bartels. 2. , G. Reed . Holyoak. 2 . , . Daqing. Piao. 1. and Jerry W. Ritchey . 3. 1. School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, OK 74078, USA. Seung. Hyun (Lucia) Woo. June 20. th. , 2013. Yale University. Outline . Negative Reflectance. Greater than 1 Reflectance. Cyan Pixels. Sensor Saturation. ENVI Service Pack 3 . Calibration Errors. Cirrus Band. Spatial. Spatial. Hyperspectral Sensing . – Imaging Spectroscopy. What is Hyperspectral Sensing?. Z = Spectral Bands. X. Y. Data Cube. – a way to visualize the data. Multispectral. Hyperspectral. Light Transients. Chia-Yin Tsai . (. Carnegie Mellon . University). Ashok . Veeraraghavan. . (Rice University). Aswin . C. . Sankaranarayanan. . (. Carnegie Mellon . University). Shape reconstruction. Multiple scattering in cloud or aerosol layers. τ. =0. τ. =. τ. *. Fraction absorbed fraction transmitted fraction reflected = 1. REFLECTED. ABSORBED. TRANSMITTED. Direct & diffuse transmission. Chengquan. Huang. 1,2. . Min Feng. 1,2. , . Joseph O. . Sexton. 1,2. , . Raghuram. . Narasimhan. 1,2. , . Saurabh. . Channan. 1,2. , Jeff . Masek. 3. , Eric . Vermote. 2. , . Feng. Gao. 4. , John Townshend. 15-463, 15-663, 15-862. Computational Photography. Fall 2018, Lecture 16. http://graphics.cs.cmu.edu/courses/15-463. Homework 4 is still ongoing. - Any questions?. I will try to go over project ideas tonight.. (from: METRIC: Mapping Evapotranspiration at high Resolution using Internalized Calibration). University of Idaho, Kimberly, Idaho. University of Nebraska-Lincoln. Landsat – Polar Orbiting. A new image each 16 days. Alison Wright and Yaning Wang. EN.520.483.01.SP20 Bio-Photonics Laboratory. Skin is the largest organ in the human body and consists of two principal layers: the epidermis and the dermis. The epidermis is a stratified squamous epithelium, which consists of 4 types of cells:[3].