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Questions related to Remote Sensing
Hi everyone. I am trying to create an NDVI with a one-kilometer resolution. I have downloaded MODIS images and then I realized bands 1 and 2 of the images, which are used to create NDVI, come at...
22 April 2021 2,310 8 View
I want to extract the rendered RGB value and search for similar ones. I want the search option to include RGB color values to find the pixels from the image. For example, a satellite image has...
19 April 2021 7,627 8 View
Hi I am working with eCognition Developer software. resently, I used it for UAV imagery segmentation. This image is for the fall season and it has 4 bands( Green, Red, Reg and NIR). My purpos is...
02 April 2021 3,368 3 View
I Need remote sensing data for cyclone SIDR and AILA based on Coastal Area. I know Spot satellite all images are free before 5 years. So I need images from 2002 -2015.
01 April 2021 6,708 7 View
I have 5 cm, 8 cm, 10 cm, 18 cm, 20 cm volumetric water content data from TDR sensor that records every 15min. I want to know ΔS at (0-30 cm) to calculate ET by water balance method. I changed...
31 March 2021 886 5 View
I have been trying to download the bands 10 and 11 of LANDSAT 8 for a GIS analysis however the images downloaded from both Glovis and Earthexplorer have been resampled to a 30meters spatial...
25 March 2021 4,538 6 View
Dear Land-use community, Does anyone know future projection productions of land use classes? Resolution: better below 1km Periods: 2100 CMIP6 Regions: global Thanks for any information.
23 March 2021 4,877 7 View
What tools in ENVI should I use to perform post-classification sorting of Landsat 8 image? My goal is to incorporate ancillary data (i.e. DEM) in the post-classification process to enhance the...
21 March 2021 972 3 View
As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...
02 March 2021 3,705 3 View
I am looking for literature which will shed some clear light on following. I am using a certain datasets of Photosynthetic Photon Flux Density (PPFD) having unit umol/m2/s. It is collected daily...
02 March 2021 551 1 View
I believe that we need to share our experience in publishing in the field of Hyperspectral Imaging or remote sensing? What is the best journal that you publish with? What is the worst experience...
24 February 2021 3,645 4 View
Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...
22 February 2021 651 5 View
Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful
16 February 2021 3,696 3 View
I'm working with different satellite imagery and I was wondering if there is a way to see what units (DN, radiance, reflectance) the pixel values are in. Currently I'm using ENVI, QGIS and SNAP...
15 February 2021 5,246 3 View
In each iteration, I get the same value of H for different values of aerodynamic resistance and the temperature difference between two heights. Do the results make sense? Is it necessary to adjust...
08 February 2021 9,085 2 View
Dear all, I'd like to open here a sort of forum for understanding how the geodesists community is moving in view of the X-band SAR satellite constellation. The new constellation will offer new...
25 January 2021 6,454 0 View
we want to preserve some freshwater algae for studies and also want to prepare slides (permanent). But we could not find a method for that. Therefore, please advise us what is the best method for...
20 January 2021 1,096 3 View
Respected sir/mam, I want to simulate the urban expansion using different time series LULC based on satellite image. please suggest me most suitable model for urban simulation. Thanks and regards.
18 January 2021 9,301 11 View
Respected sir/mam, I have using satellite image of Landsat 8 and 5 for LULC classification. I am confused that which software and method are the best for LULC classification? Please help me....
08 January 2021 3,990 20 View
What are the methods of detecting the ancient streams of rivers using remote sensing, and do the satellite images achieve the possibility of detecting and tracking the change.
03 January 2021 5,358 4 View
I want high-quality DEM for our research purpose. High-quality DEM is used as a reference. I have generated the DEM through stereo images.
28 December 2020 8,754 15 View
I am required to do a project where I have to calculate discharge of streams/ watersheds in a high altitude area with extremely treacherous terrain. Will it be possible to achieve this objective...
28 December 2020 9,244 5 View
I face a problem in LULC classification, like as an industrial area showing as a water body. Please help me. Thank you.
26 December 2020 9,911 12 View
ENVI software (V 5.3) has a problem with opening some Metadata files. An error appears which means it does not seem to be a Metadata file. How can I solve this problem?
21 December 2020 4,834 3 View