American multinational company Google has, since long, tried to decrease the time it takes to load sites. One of the techniques that the company employed was decreasing the file size of pictures on the web, which they already pulled off with the WebP design in 2014, which contracted photographs by almost 10 percent.

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Their most recent improvement in this context is the, an open-source algorithm that encodes JPEGs that are 35 percent smaller as compared to the images that are currently on the web.


Google, in a blog post, has invited attention to the fact that this decrease strategy is similar to their Zopfli calculation that reduces PNG and gzip files without the need for a new format altogether.

On the flip side, RNN-based image compressions, for example WebP, requires changes on both the client as well as the ecosystem front to see the gains on the net.

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Just so you know, Guetzli (Swiss German for “cookie”) focuses on the quantization aspect of the compression of the picture and exchanges the visual quality for a smaller file size.

Its specific psycho-visual module apparently “approximates color perception and visual masking in a more thorough and detailed way than what is achievable in current methods”.

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The only catch in here: Guetzli takes somewhat longer to start running than regular choices like libjpeg.

In spite of the expanded time, Google’s post points towards the fact that human raters favored the pictures produced by Guetzli as compared to other.


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