Update README.md

README.md

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+Many old car models no longer have active patents, allowing their use in creations, such as generative AI models, without infringing intellectual property rights. No images of cars or aircraft have been added to the training so far, but if they are, they will be considered car models until the 2000s. In Brazil, the protection of a vehicle design is granted through an industrial design registration, and its duration is different from invention patents. According to the Industrial Property Law (Law No. 9,279/1996), industrial designs are protected for an initial period of 10 years from the date of filing. This period can be extended for up to three consecutive periods of 5 years each, totaling a maximum of 25 years of protection.
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 ### Dataset Structure
 
 The dataset is organized into multiple subsets, each containing images categorized by a theme. The dataset's structure ensures efficient training of diffusion models while maintaining a balance between image diversity and dataset size.