How are Images Compressed? [46MB ↘↘ ] JPEG In Depth
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You’ve probably saved 1000s of JPEG images, but do you know what exactly JPEG does? Our smartphones and cameras save images in JPEG format, furthermore, the majority of images you see on the internet are saved using JPEG compression. This format is everywhere, but do you know exactly how it works? Well in this video we’re going to explore the JPEG compression format. This is a rather complicated video, so it may take watching it a few times through to understand it all.
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Script, Modeling, Animation: Teddy Tablante
Twitter: @teddytablante
Voice Over- Phil Lee
Nature Photography- Tobias Karlsson
Table of Contents:
00:00 - Intro into JPEG
01:24 - What does JPEG do?
02:35 - What are the Steps of JPEG?
04:06 - Color Space Conversion
06:06 - Discrete Cosine Transform
09:32 - Quantization
11:02- Run Length and Huffman Encoding
12:04 - Video Compression
13:25 - Rebuilding an Image
15:01 - Notes and Caveats on JPEG
17:06 - Sponsored by Brilliant
18:20 - Outro
Key Branches from this video are: How does a Camera Work? How do SSDs Work?
Erratum:
Tulips are not the same as Lillies.
Animation built using Blender
Post with Adobe Premiere Pro
References:
A Trip Through the Graphics Pipeline 2011: Index
DCT (Discrete Cosine Transform)
is Magic
How JPEG Works
Jack, Keith. Video Demystified. Fifth Edition. Elsevier 2007.
JPEG 101 - How does JPEG Work?
JPEG: Image Compression Algorithm
~web6140/TopTenAlgorithms/
What is ?
Wikipedia contributors. “Chroma Subsampling“, “Chrominance“, “Chroma Subsampling“, “Discrete Cosine Transform“, , “JPEG“ , “
Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited December, 2021
Music Credits
Kindred
#JPEG #Camera #Picture
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