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- * Transforming a Landsat ETM+ image from DN values to radiance values ...a Landsat image using the {{cmd|i.atcorr}} module in GRASS GIS and convert radiance to reflectance values ...17 KB (2,316 words) - 13:14, 8 April 2020
- Its optical sensor creates calibrated images of the upwelling spectral radiance in 224 contiguous spectral channels/bands with wavelengths from 400 to 2500 ==== DN to Radiance Conversion ==== ...13 KB (1,811 words) - 22:01, 21 December 2023
- .../wp-content/user_uploads/2011/09/Radiance_Conversion_of_QuickBird_Data.pdf Radiance Conversion of QuickBird Data]: converted to spectral radiance before radiometric/spectral analysis or comparison with imagery from other ...16 KB (2,271 words) - 21:19, 15 August 2016
- ...tispectral satellite data are converted into physical quantities such as ''Radiance'' or ''Reflectance'' before they are subjected in multispectral analysis te ...rtant input for the equation to derive Reflectance values. Note, ''Spectal Radiance'' is the measure of the quantity of radiation that hits the sensor and typi ...19 KB (2,541 words) - 13:27, 8 April 2020
- ...tispectral satellite data are converted into physical quantities such as ''Radiance'' or ''Reflectance'' before they are subjected in multispectral analysis te ...rtant input for the equation to derive Reflectance values. Note, ''Spectal Radiance'' is the measure of the quantity of radiation that hits the sensor and typi ...21 KB (2,939 words) - 10:05, 4 December 2018
- '''Digital numbers and physical values (reflection/radiance-at-sensor):''' ...ers use a linear transform equation <tt>(y = a * x + b)</tt> to encode the radiance-at-sensor in 8 to 16 bits. DNs can be turned back into physical values by a ...16 KB (2,223 words) - 05:02, 2 December 2023
- Level 1 GST is terrain corrected and provided in 16-bit radiance values. The data are available in Geographic Tagged Image-File Format (GeoT Process all HYPERION radiance .zip into reflectance. ...17 KB (2,365 words) - 13:28, 3 December 2023
- ...è codificata in 8 o più bit. Questa energia è detta radianza al sensore<!--radiance-at-sensor-->. Al fine di ottenere valori fisici dai DN, i fornitori di imma ...o di GRASS GIS {{cmd|i.landsat.toar}} trasforma facilmente i DN Landsat in radiance-at-sensor. Il modulo equivalente per i dati ASTER è {{cmd|i.aster.toar}}. P ...15 KB (2,115 words) - 10:06, 4 December 2018
- ...'''6S algorithm'''. The algorithm will transform the top-of-the-atmosphere radiance values to top-of-canopy reflectance values using predefined information on ...9 KB (1,439 words) - 18:34, 28 November 2013
- * {{cmd|i.landsat.toar}} → convert DN to top of atmosphere radiance Convert DNs to radiance/temperatures:<source lang="bash"> ...18 KB (2,361 words) - 10:31, 4 December 2018
- ...feature attribute statistics, image collection support, customizable solar radiance model, and unlimited fine-scale hydrologic simulation. The new version cont ...5 KB (700 words) - 18:42, 22 April 2021
- ...duct provides radiometrically corrected imagery in Top-Of-Atmosphere (TOA) radiance values and in sensor geometry. Level-1B product is composed of an ensemble ...ectance values. By default, {{cmd|i.atcorr}} assumes that the input is TOA radiance, so the -r flag has to be set when running the command to indicate that the ...32 KB (4,993 words) - 13:50, 17 February 2021
- ...The GRASS Image Processing Environment (GIPE) has USLE, Energy-balance and radiance-reflectance correction models. (r.hydro.CASC2D - a physically-based, distri ...11 KB (1,665 words) - 16:47, 1 March 2024
- # Look up LMIN/LMAX: "Table 11.2 ETM+ Spectral Radiance Range watts/(meter squared * ster * µm)" ...16 KB (2,209 words) - 10:48, 4 December 2018
- # Vea el LMIN/LMAX: "Table 11.2 ETM+ Spectral Radiance Range watts/(meter squared * ster * µm)" ...16 KB (2,473 words) - 13:47, 5 August 2016
- * [http://landsat.usgs.gov/how_is_radiance_calculated.php How is radiance calculated?], question on USGS' [http://landsat.usgs.gov/tools_faq.php Land ...17 KB (2,483 words) - 14:47, 28 July 2016
- The GRASS Image Processing Environment (GIPE) has USLE, Energy-balance and radiance-reflectance correction models. ...eflectance for Landsat 7ETM+ and ASTER. These modules also have a flag for radiance output. Updated i.dn2ref.l7 to read .met calibration file. ...38 KB (5,977 words) - 21:40, 16 June 2016
- : The GRASS Image Processing Environment (GIPE) has USLE, Energy-balance and radiance-reflectance correction models. ...eflectance for Landsat 7ETM+ and ASTER. These modules also have a flag for radiance output. Updated i.dn2ref.l7 to read .met calibration file. ...75 KB (11,828 words) - 21:41, 16 June 2016
- : The GRASS Image Processing Environment (GIPE) has USLE, Energy-balance and radiance-reflectance correction models. ...eflectance for Landsat 7ETM+ and ASTER. These modules also have a flag for radiance output. Updated i.dn2ref.l7 to read .met calibration file. ...96 KB (15,249 words) - 16:09, 25 August 2018