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OpenAI trained the model using publicly available videos as well as copyrighted videos licensed for the purpose, but did not reveal the number or the exact source of the videos. [5] Upon its release, OpenAI acknowledged some of Sora's shortcomings, including its struggling to simulate complex physics, to understand causality , and to ...
The CLIP models released by OpenAI were trained on a dataset called "WebImageText" (WIT) containing 400 million pairs of images and their corresponding captions scraped from the internet. The total number of words in this dataset is similar in scale to the WebText dataset used for training GPT-2 , which contains about 40 gigabytes of text data.
Along with this, later in 2021, EleutherAI released the open source VQGAN-CLIP [51] based on OpenAI's CLIP model. [52] Diffusion models , generative models used to create synthetic data based on existing data, [ 53 ] were first proposed in 2015, [ 54 ] but they only became better than GANs in early 2021. [ 55 ]
What impresses most about OpenAI's Sora is its ability to simulate the complicated physics of motion while simultaneously showing a baffling capacity to mimic real-world lighting effects.
CLIP is a separate model based on contrastive learning that was trained on 400 million pairs of images with text captions scraped from the Internet. Its role is to "understand and rank" DALL-E's output by predicting which caption from a list of 32,768 captions randomly selected from the dataset (of which one was the correct answer) is most ...
OpenAI started in 2015 as a research-focused nonprofit but created a for-profit unit four years later to secure funding for the high costs of AI development. Its unusual structure gave control of ...
An example of computer animation which is produced from the "motion capture" techniqueComputer animation is the process used for digitally generating moving images. The more general term computer-generated imagery (CGI) encompasses both still images and moving images, while computer animation only refers to moving images.
These include Olivia, a 13-year-old anime girl with pigtails in a hospital gown, or scantily clad Reiko, “your clumsy older sister,” who is “constantly having sexual accidents with her ...