@ranlot75 Here are examples of some 2D image datasets. You see the parameter alpha and the reconstructed image.
Now, let me give you some high-level intuition how this works π
@ranlot75 There are infinitely many real numbers between 0 and 1. So, what we could do is create a number alpha like this:
alpha = 0.<dataset>...
<dataset> is just a series of numbers and we can encode our entire dataset in there! This is how the whole fish number looks like.
π
@ranlot75 You need some clever math to encode everything into this format and to define a function that can recover the information back, but it is doable.
The Internet is already decentralized, why do we need web3? π€
This is a common critique of web3. However, decentralization on its own is not always enough - sometimes we need to agree on a set of facts.
Blockchains give us a consensus mechanism for that!
Thread π§΅
1/12
The Internet is built of servers that communicate using open protocols like HTTP, SMTP, WebRTC etc. Everybody can set up a server and participate. It is decentralized!
However, if two servers distribute contradicting information, how do you know which one is right?
2/12
This is what blockchains give us, a way for decentralized parties to agree on one set of facts. They offer a consensus mechanism!
Imagine the blockchain as a global public database that anybody can read and nobody can falsify - every transaction/change needs to be signed.
While there is a lot of hype around web3, NFTs, and decentralized apps (dApps), there is also a lot of criticism. Today, I'll focus on the critique that web3 is actually too centralized.
Let's try to have an honest discussion π
These are the main arguments I see regularly. Please add more in the comments.
1οΈβ£ The Internet is already decentralized
2οΈβ£ It is inefficient
3οΈβ£ Everything can be implemented better using a centralized approach
4οΈβ£ Important services are centralized
π
I was inspired to write this in part after reading this great article by @moxie pointing some of the problems with the current state of web3. If you've been living under a rock in the last weeks, make sure you check it out:
Things are getting more and more interesting for AI-generated images! π¨
GLIDE is a new model by @OpenAI that can generate images guided by a text prompt. It is based on a diffusion model instead of the more widely used GAN models.
Some details π
@OpenAI GLIDE also has the interesting ability to perform inpainting allowing for some interesting usages.
Your accuracy is 97%, so this is pretty good, right? Right? No! β
Just looking at the model accuracy is not enough. Let me tell you about some other metrics:
βͺοΈ Recall
βͺοΈ Precision
βͺοΈ F1 score
βͺοΈ Confusion matrix
First officially approved Level 3 self-driving system in Germany.
This is significant because it is the first time an autonomous system that takes the *driving responsibility* from the driver is approved for mass production!
The main difference between Level 2 and Level 3 systems is that self-driving systems become legally responsible for the actions of the cars when in autonomous mode!
All driver assist systems on the market now (including Tesla) are Level 2 systems.
While Waymo and Cruise have Level 4 systems running as a beta in some cities, there are different challenges putting this tech in consumer vehicles and in cars that don't have a huge sensor rack costing tens of thousands of dollars on the roof.