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- We compare Sora against a version of our model that crops all training videos to be square, which is common practice when training generative models. The model trained on square crops (left) sometimes generates videos where the subject is only partially in view.
openai.com/index/video-generation-models-as-world-simulators/
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We compare Sora against a version of our model that crops all training videos to be square, which is common practice when training generative models. The model trained on square crops (left) sometimes
Feb 19, 2024 · Comparison to Common Practice: Comparisons with a model that crops all training videos to be square (common practice in generative model training) show that the Sora model tends to have...
Feb 19, 2024 · Native-size training data like 1920x1080p videos “We compare Sora against a version of our model that crops all training videos to be square, which is common practice when training...
Sora is a diffusion model, which generates a video by starting off with one that looks like static noise and gradually transforms it by removing the noise over many steps. Sora is capable of generating entire videos all at once or extending generated videos to make them longer.
Feb 28, 2024 · The comparison between Sora and a model trained on uniformly cropped square videos demonstrates a clear advantage as shown in Figure 6. Videos produced by Sora exhibit better framing, ensuring subjects are fully captured in the scene, as opposed to the sometimes truncated views resulting from square cropping.
Feb 16, 2024 · Sora will play an essential factor, which is its resolution abilities; past approaches to image and video generation typically resize, crop, or trim videos to a standard size as stated by the...
