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Mark Chen

Researcher at OpenAI

Publications -  13
Citations -  16724

Mark Chen is an academic researcher from OpenAI. The author has contributed to research in topics: Computer science & Language model. The author has an hindex of 9, co-authored 9 publications receiving 3642 citations. Previous affiliations of Mark Chen include Harvard University.

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Hierarchical Text-Conditional Image Generation with CLIP Latents

TL;DR: This work proposes a two-stage model: a prior that generates a CLIP image embedding given a text caption, and a decoder that generates an image conditioned on the imageembedding, and shows that explicitly generating image representations improves image diversity with minimal loss in photorealism and caption similarity.
Proceedings Article

Zero-Shot Text-to-Image Generation

TL;DR: This work describes a simple approach based on a transformer that autoregressively models the text and image tokens as a single stream of data that is competitive with previous domain-specific models when evaluated in a zero-shot fashion.
Proceedings Article

Generative Pretraining From Pixels

TL;DR: This work trains a sequence Transformer to auto-regressively predict pixels, without incorporating knowledge of the 2D input structure, and finds that a GPT-2 scale model learns strong image representations as measured by linear probing, fine-tuning, and low-data classification.