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Lightweight diffusion models: a survey
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DOI：10.1007/s10462-024-10800-8.png)
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Abstract
En 中文
Diffusion models (DMs) are a type of potential generative models, which have achieved better effects in many fields than traditional methods. DMs consist of two main processes: one is the forward process of gradually adding noise to the original data until pure Gaussian noise; the other is the reverse process of gradually removing noise to generate samples conforming to the target distribution. DMs optimize the application results through the iterative noise processing process. However, this greatly increases the computational and storage costs in the training and inference stages, limiting the wide application of DMs. Therefore, how to effectively reduce the resource consumption of using DMs while giving full play to their good performance has become a valuable and necessary research problem. At present, some research has been devoted to lightweight DMs to solve this problem, but there has been no survey in this area. This paper focuses on lightweight DMs methods in the field of image processing, classifies them according to their processing ideas. Finally, the development prospect of future work is analyzed and discussed. It is hoped that this paper can provide other researchers with strategic ideas to reduce the resource consumption of DMs, thereby promoting the further development of this research direction and providing available models for wider applications.
Keywords:
Diffusion models
Lightweight
Image processing
Generative models
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