synthetic data

  • Three-Phase Evaluation for Synthetic Data in 4B Model


    [P] Three-Phase Self-Inclusive Evaluation Protocol for Synthetic Data Generation in a Fine-Tuned 4B Model (Experiment 3/100)An ongoing series of experiments is exploring evaluation methodologies for small fine-tuned models in synthetic data generation tasks, focusing on a three-phase blind evaluation protocol. This protocol includes a Generation Phase where multiple models, including a fine-tuned 4B model, respond to the same proprietary prompt, followed by an Analysis Phase where each model ranks the outputs based on coherence, creativity, logical density, and human-likeness. Finally, in the Aggregation Phase, results are compiled for overall ranking. The open-source setup aims to investigate biases in LLM-as-judge setups, trade-offs in niche fine-tuning, and the reproducibility of subjective evaluations, inviting community feedback and suggestions for improvement. This matters because it addresses the challenges of bias and reproducibility in AI model evaluations, crucial for advancing fair and reliable AI systems.

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  • Unified Apache Beam Pipeline for Batch & Stream Processing


    A Coding Implementation to Build a Unified Apache Beam Pipeline Demonstrating Batch and Stream Processing with Event-Time Windowing Using DirectRunnerThe tutorial demonstrates how to build a unified Apache Beam pipeline capable of handling both batch and stream-like data using the DirectRunner. By generating synthetic, event-time–aware data, it showcases the application of fixed windowing with triggers and allowed lateness, ensuring consistent handling of on-time and late events. The pipeline's core aggregation logic remains unchanged regardless of the input source, highlighting Apache Beam's ability to manage event-time semantics effectively without external streaming infrastructure. This matters because it provides a clear understanding of Beam’s event-time model, enabling developers to apply the same logic to real-world streaming environments.

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  • End-to-End SDG Workflows with NVIDIA Isaac Sim


    Build and Orchestrate End-to-End SDG Workflows with NVIDIA Isaac Sim and NVIDIA OSMOAs robots increasingly undertake complex mobility tasks, developers require accurate simulations that can be applied across various environments and workloads. Collecting high-quality data in the physical world is often costly and time-consuming, making synthetic data generation at scale essential for advancing physical AI. NVIDIA Isaac Sim and NVIDIA OSMO provide a comprehensive solution for building simulated environments and orchestrating end-to-end synthetic data generation workflows. These tools allow developers to create physics-accurate simulations, generate diverse datasets using MobilityGen, and enhance data with visual diversity through Cosmos Transfer. By leveraging cloud technology and open-source frameworks, developers can efficiently train robot policies and models, bridging the gap between simulated and real-world data. This matters because it accelerates the development and deployment of advanced robotics systems, making them more adaptable and efficient in real-world applications.

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  • Synthetic Data Boosts Financial Document Parsing


    We trained a 7B model (OpenChat) on synthetic OCR data to beat public dataset benchmarks on financial docs. (Paper + Method inside)Researchers have tackled the Privacy Paradox in Financial Document Understanding (FDU) by developing synthetic data generators to train models without using real client data. They created DocuLite, a framework with InvoicePy and TemplatePy, to generate complex synthetic OCR text and HTML-based invoice templates. These synthetic datasets were used to train models like OpenChat-3.5 and InternVL-2, resulting in significant improvements in F1 scores compared to models trained on conventional public datasets. This approach suggests that investing in synthetic data generation can be more effective for building document parsers in sensitive domains like finance and healthcare. This matters because it provides a privacy-compliant method to improve machine learning models for financial document processing.

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  • Generating Human Faces with Variational Autoencoders


    Using Variational Autoencoders to Generate Human FacesVariational Autoencoders (VAEs) are a type of generative model that can be used to create realistic human faces by learning the underlying distribution of facial features from a dataset. VAEs work by encoding input data into a latent space, then decoding it back into a new, similar output, allowing for the generation of new, unique faces. This process involves a balance between maintaining the essential features of the original data and introducing variability, which can be controlled to produce diverse and realistic results. Understanding and utilizing VAEs for face generation has significant implications for fields like computer graphics, virtual reality, and personalized avatars.

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  • Preventing Model Collapse with Resonant Geodesic Dynamics


    Scale-Invariant Resonant Geodesic Dynamics in Latent Spaces: A Speculative Framework to Prevent Model Collapse in Synthetic Data Loops [D]Exploring the issue of model collapse in synthetic data recursion, a speculative framework suggests using scale-invariant resonant geodesic dynamics in latent spaces. Inspired by concepts from cosmology and wave turbulence, the framework proposes that current latent spaces lack intrinsic structure, leading to degeneration when models are trained recursively on their outputs. By introducing a resonant Riemannian metric and gated geodesic flow, the framework aims to preserve harmonic structures and prevent collapse by anchoring geodesics to a resonant skeleton. Additionally, a scale-invariant coherence score is proposed to predict model stability, offering a geometric interpretation of latent space dynamics and a potential path to more stable recursive training. This matters because it provides a novel approach to enhancing the robustness and reliability of machine learning models trained on synthetic data.

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  • Differential Privacy in Synthetic Photo Albums


    A picture's worth a thousand (private) words: Hierarchical generation of coherent synthetic photo albumsDifferential privacy (DP) offers a robust method to protect individual data in datasets, ensuring privacy even during analysis. Traditional approaches to implementing DP can be complex and error-prone, but generative AI models like Gemini provide a more streamlined solution by creating a private synthetic version of the dataset. This synthetic data retains the general patterns of the original without exposing individual details, allowing for safe application of standard analytical techniques. A new method has been developed to generate synthetic photo albums, addressing the challenge of maintaining thematic coherence and character consistency across images, which is crucial for modeling complex, real-world systems. This approach effectively translates complex image data to text and back, preserving essential semantic information for analysis. This matters because it simplifies the process of ensuring data privacy while enabling the use of complex datasets in AI and machine learning applications.

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