Generative AI - Understanding the Architecture and Functioning of VAEs

Understanding the Architecture and Functioning of VAEs

Variational Autoencoders (VAEs) are strong generative models that are made to figure out how a dataset's probabilities are distributed. There are two major parts that make up a VAE's architecture: the encoder and the decoder. The decoder shrinks the input data into a hidden space with fewer dimensions, keeping only the most important parts of the data. The decoder then uses this hidden version to put together the raw data. This process helps the model learn a short and useful way to show the data, which can then be used to make new samples that are similar. During training, VAEs improve two types of loss: the reconstruction loss, which makes sure that the input data is correctly rebuilt; and the Kullback-Leibler (KL) divergence, which limits the latent space in a way that is based on probability and encourages smooth and continuous data generation.

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Generative AI

Beginner 5 Hours

Understanding the Architecture and Functioning of VAEs

Variational Autoencoders (VAEs) are strong generative models that are made to figure out how a dataset's probabilities are distributed. There are two major parts that make up a VAE's architecture: the encoder and the decoder. The decoder shrinks the input data into a hidden space with fewer dimensions, keeping only the most important parts of the data. The decoder then uses this hidden version to put together the raw data. This process helps the model learn a short and useful way to show the data, which can then be used to make new samples that are similar. During training, VAEs improve two types of loss: the reconstruction loss, which makes sure that the input data is correctly rebuilt; and the Kullback-Leibler (KL) divergence, which limits the latent space in a way that is based on probability and encourages smooth and continuous data generation.

Frequently Asked Questions for Generative AI

Sequence of prompts stored as linked records or documents.

It helps with filtering, categorization, and evaluating generated outputs.



As text fields, often with associated metadata and response outputs.

Combines keyword and vector-based search for improved result relevance.

Yes, for storing structured prompt-response pairs or evaluation data.

Combines database search with generation to improve accuracy and grounding.

Using encryption, anonymization, and role-based access control.

Using tools like DVC or MLflow with database or cloud storage.

Databases optimized to store and search high-dimensional embeddings efficiently.

They enable semantic search and similarity-based retrieval for better context.

They provide organized and labeled datasets for supervised trainining.



Track usage patterns, feedback, and model behavior over time.

Enhancing model responses by referencing external, trustworthy data sources.

They store training data and generated outputs for model development and evaluation.

Removing repeated data to reduce bias and improve model generalization.

Yes, using BLOB fields or linking to external model repositories.

With user IDs, timestamps, and quality scores in relational or NoSQL databases.

Using distributed databases, replication, and sharding.

NoSQL or vector databases like Pinecone, Weaviate, or Elasticsearch.

With indexing, metadata tagging, and structured formats for efficient access.

Text, images, audio, and structured data from diverse databases.

Yes, for representing relationships between entities in generated content.

Yes, using structured or document databases with timestamps and session data.

They store synthetic data alongside real data with clear metadata separation.



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