Your Image is Secretly the Last Frame of a Pseudo Video

• URL: http://arxiv.org/abs/2410.20158v2
• Date: Sun, 02 Feb 2025 12:20:15 GMT
• Title: Your Image is Secretly the Last Frame of a Pseudo Video
• Authors: Wenlong Chen, Wenlin Chen, Lapo Rastrelli, Yingzhen Li,
• Abstract summary: We investigate the possibility of improving other types of generative models with pseudo videos. Specifically, we first extend a given image generative model to their video generative model counterpart, and then train the video generative model on pseudo videos constructed by applying data augmentation to the original images.
• Score: 20.161039114393148
• License:
• Abstract: Diffusion models, which can be viewed as a special case of hierarchical variational autoencoders (HVAEs), have shown profound success in generating photo-realistic images. In contrast, standard HVAEs often produce images of inferior quality compared to diffusion models. In this paper, we hypothesize that the success of diffusion models can be partly attributed to the additional self-supervision information for their intermediate latent states provided by corrupted images, which along with the original image form a pseudo video. Based on this hypothesis, we explore the possibility of improving other types of generative models with such pseudo videos. Specifically, we first extend a given image generative model to their video generative model counterpart, and then train the video generative model on pseudo videos constructed by applying data augmentation to the original images. Furthermore, we analyze the potential issues of first-order Markov data augmentation methods, which are typically used in diffusion models, and propose to use more expressive data augmentation to construct more useful information in pseudo videos. Our empirical results on the CIFAR10 and CelebA datasets demonstrate that improved image generation quality can be achieved with additional self-supervised information from pseudo videos.

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