Radiometric and atmospheric correction of satellite images in ArcGIS
Do you know why need radiometric and atmospheric correction of satellite images? In this tutorial, I have explained why, when radiometric and sun elevation correction is needed. Also, I have shown how to convert the Reflective band DN’s to TOA reflectance using the rescaling coefficients.
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Пікірлер: 39
Love you for letting me know about the Batch sir, you saved me an infinite amount of time. Thank you sir
Just amazing sir Very good initiative Everyone used the techniques just like a hidden trump card and don't want to share the information with anyone but you are different from those you helped us to share the knowledge Many thanks again sir 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
Very Insightful Lecture
Thank You sir..for your kind endeavor !!
Very Nice Lecture
Wonderful video
Nice video.. 👍
Thank You sir..
Is there a similar procedure for Landsat 5. The reflectance values given in metadata are max and min values. How can we do the conversion for DN to TOA For Landsat 5 imagery?
Hi sir. it was so informative. I am trying to do the same as you do. It states there was an error. An invalid SQL was used. I need help sir.
I love your lecture here. keep the good work. but I have a question, sir. how do I download satellite imagery of large areas say for example a state or a country? your response will be highly appreciated, sir.
Mantap pakkk!!
thanks
Sir, so the final product is TOA reflectance?
Est ce que les images satellitaires Landsat8 collection 2 niveau 2 ont besoin des correction ou non?
sir, can you make a video on LISS4 data to change DN values to TOA image?
Please what is the correction value Oi for lansat 9 band 10? Lλ = ML × Qcal + AL - Oi
Hi sir, i dont have any MTL folder to find the values as you did. Please help me! Thank youuuu
Thank you for your tutorial! Why do you convert the degrees in radians?
@dppool6625
Жыл бұрын
Yo
@jessicatax3545
Жыл бұрын
@@dppool6625 Yo
@nesknesk4767
Жыл бұрын
I have the same question. 🤔
Sir, if reflectance multi band is not same, then what should I do?
Some bands are there whose reflectance are mone than 1. I also found it on your videos also. Can you explain it is correct or not...? Is there any mistake in the process...!
Hi Dr. Jayanta, fail to understand how you did the excel sheet calculation? can you please explain how you optain the 0.00002 value?
@manasaravi2312
25 күн бұрын
Clearly from the Metadata, REFLECTANCE_MULT_BAND_1 = 0.00002, it's same for all the bands
does Level-2 Collection-2 landsat image 8/7/6/5 need radiometric correction?
@DrJayantaDas
2 жыл бұрын
No
Thank You sir. does Landsat 8 Level-1 Collection-1 need radiometric correction?
@DrJayantaDas
2 жыл бұрын
Yes.
@rikakartikakartika4850
2 жыл бұрын
@@DrJayantaDas how about geometric correction sir?
@rikakartikakartika4850
2 жыл бұрын
@@DrJayantaDas I don't understand the difference between landsat 8 level 1 and 2 sir
Landsat 8 a level 2 image er radiometric correction korar dorkar pore sir?
@sandeepkumar-yl4gf
2 жыл бұрын
Yes
Sir, can we use the same method for level 2 data
@DrJayantaDas
Жыл бұрын
Level 2 already radiometric corrected data
@shriramkathar1695
Жыл бұрын
@@DrJayantaDas Thank You sir , can you plz make a video how to select optimal threshold . because when we classify image after any indices calculation , some pixels get wrongly classified.
@vineesh.geography
8 ай бұрын
@@DrJayantaDas Hello How to remove cloud ☁️🌨️
@hanna_9505
8 ай бұрын
@vineesh.geography yes I want to know to 😢