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Enhancing Photorealism Enhancement

Intel ISL

Enhancing Photorealism Enhancement

Stephan R. Richter, Hassan Abu AlHaija, and Vladlen Koltun

Paper: https://arxiv.org/abs/2105.04619

Code and data: https://github.com/intel-isl/PhotorealismEnhancement

Project page: https://intel-isl.github.io/PhotorealismEnhancement/

We present an approach to enhancing the realism of synthetic images. The images are enhanced by a convolutional network that leverages intermediate representations produced by conventional rendering pipelines. The network is trained via a novel adversarial objective, which provides strong supervision at multiple perceptual levels. We analyze scene layout distributions in commonly used datasets and find that they differ in important ways. We hypothesize that this is one of the causes of strong artifacts that can be observed in the results of many prior methods. To address this we propose a new strategy for sampling image patches during training. We also introduce multiple architectural improvements in the deep network modules used for photorealism enhancement. We confirm the benefits of our contributions in controlled experiments and report substantial gains in stability and realism in comparison to recent image-to-image translation methods and a variety of other baselines.

https://www.theverge.com/2021/5/12/22432945/intel-gta-v-realistic-machine-learning-cityscapes-dataset

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D.Tube : IPFS & Blockchain based Youtube

https://d.tube/

https://d.tube/#!/wiki/faq/how-does-dtube-work

How does D.Tube work?

          `  

Using the Avalon Blockchain as a database

Because we want D.Tube to be truly decentralized, we cannot have a server running a database and use it to query things. Using Avalon blockchain is a natural solution. . It is fast . It is free, anyone can use it without having to deposit some form of currency, and transactions have no fees. Who would want to pay money to upload a video, comment a video, or even upvote? Nobody. Any video uploaded on D.Tube becomes an Avalon content, that can earn rewards also you can post your content to Steem and Hive blockchains and benefit from interoperable features of Dtube.

Using IPFS as a static file storage

IPFS is a protocol that enables decentralized file storage. The principle behind it is called Distributed Hash Tables (DHT). The same principle also powers the BitTorrent network. Just like how cryptocurrency uses asymmetrical cryptography, DHT networks will hash contents in order to be able to identify a file. The hash becomes the identifier of a file, and it's as easy as re-hashing a file and making sure the hashes match to ensure the file that was sent to us is the original.

Why not use Torrent then? Torrent arguably already has more content and is more mainstream. However, Torrent was not built for the web. Some implementations such as WebTorrent are trying to make it work, but it still requires some 'hybrid' clients that would act as bridges in order to transfer files from hard clients such as μTorrent to web clients that run in a browser. Not very convenient, even less efficient. I am sure a lot of you have used PopcornTime to watch some 'pirated' content and have enjoyed it, but building something similar that runs inside a browser without having to run hybrid clients to connect people, is sadly impossible. IPFS is a younger, open-source, and actively developed protocol. It has a bright future ahead. Using it as the main mean of storage for this project was a no-brainer.`

https://github.com/dtube/ipfs-uploader

 InterPlanetary File System (IPFS) is a protocol and peer-to-peer network for storing and sharing data in a distributed file system. IPFS uses content-addressing to uniquely identify each file in a global namespace connecting all computing devices.

IPFS allows users to host and receive content in a manner similar to BitTorrent. As opposed to a centrally located server, IPFS is built around a decentralized system^[5] of user-operators who hold a portion of the overall data, creating a resilient system of file storage and sharing. 

https://en.wikipedia.org/wiki/InterPlanetary_File_System

The link is here:

https://ipfs.video/

IPFS video player

Welcome to the IPFS video player

At the top, you can use the form to put in your custom IPFS content id. If you have not found any good example to view yet, you can try Blender Half full, the demo video from https://ipfstube.erindachtler.me/, a talk by Alan Kay, the free movie Sita sings the blues,Big Buck Bunny,Caminandes 1,2,3or simply a monkey video downloaded from Pexels.

Finaly reddit IPFS_Hashes might have some IPFS video hashes as well.

Other works under the same project

A Kodi plugin under development that will complement this website, available at:https://github.com/bneijt/ipfs-video-kodi

A project to help you host your own IPFS pinning gateway easily:https://github.com/bneijt/ipfs-video-gateway