科普短片《图像压缩算法/图像是如何压缩的？深入解析JPEG How are Images Compressed? [46MB ↘↘ 4.07MB] JPEG In Depth 2021》英语中字 720P高清纪录片

你可能已经保存了成千上万张JPEG图像，但你知道JPEG究竟是如何工作的吗？我们的智能手机和相机以JPEG格式保存图像，此外，你在互联网上看到的大多数图像都是使用JPEG压缩保存的。这种格式无处不在，但你知道它究竟是如何工作的吗？

科普短片《图像压缩算法/图像是如何压缩的？深入解析JPEG How are Images Compressed? [46MB ↘↘ 4.07MB] JPEG In Depth 2021》

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.

目录 Table of Contents:

00:00 – JPEG简介 Intro into JPEG
01:24 – JPEG是做什么的？What does JPEG do?
02:35 – JPEG的步骤是什么？What are the Steps of JPEG?
04:06 – 色彩空间转换 Color Space Conversion
06:06 – 离散余弦变换 Discrete Cosine Transform
09:32 – 量化 Quantization
11:02 – 逐行和霍夫曼编码 Run Length and Huffman Encoding
12:04 – H.264视频压缩 H.264 Video Compression
13:25 – 重建图像 Rebuilding an Image
15:01 – 关于JPEG的注意事项和注意事项 Notes and Caveats on JPEG
17:06 – 由Brilliant赞助 Sponsored by Brilliant
18:20 – 结尾 Outro

从这个视频中得出的关键分支是：相机是如何工作的？SSD是如何工作的？

Key Branches from this video are: How does a Camera Work? How do SSDs Work?

未经允许不得转载：每天一小时纪录片 » 科普短片《图像压缩算法/图像是如何压缩的？深入解析JPEG How are Images Compressed? [46MB ↘↘ 4.07MB] JPEG In Depth 2021》英语中字 720P高清纪录片