image noise

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P-34669                       Range :  2.6 million km. ( 1.6 million miles ) Smallest Resolvable Feature :  50 km or 31 miles These two Voyager 2 images, shot through clear filters, show the largest of the new moons of Neptune, 1989N1, discovered by Voyager. The satellite, made of dark material that reflects about 6 % of incident sunlight, has an average radius of about 200 kilometers ( 124 miles ) and an irregular shape. Its similiar appearance in the two images shows that the shape seen here is not the result of image noise or smear. This may the largest satellite in the solar system with such an irregular shape. satellite 1989N1 is slightly larger than the previously known small Neptunian moon Nereid but is very much darker. ARC-1989-A89-7021

P-34669 Range : 2.6 million km. ( 1.6 million m...

P-34669 Range : 2.6 million km. ( 1.6 million miles ) Smallest Resolvable Feature : 50 km or 31 miles These two Voyager 2 images, shot through clear filters, show the largest of the new ... More

Image-processing-example-illum-opt-im1b

Image-processing-example-illum-opt-im1b

Deutsch: Beispiel Bildoptimierung bei Fotografie mit geringer Belichtung - Quellbild 2 von 10

Noisy Smithsonian Castle

Noisy Smithsonian Castle

An image I took of the Smithsonian Institution Building while I was in Washington D.C. that I have injected with periodic noise.中文:我在華盛頓特區拍攝的史密森尼學會大樓的圖像表明我注入了周期性噪聲。

Crowne Plaza Bratislava

Crowne Plaza Bratislava

Hotel Crowne Plaza **** on Hodžovo námestie in Bratislava

Noise reduction

Noise reduction

Noise reduction sample