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Medigan

Medigan is an open-source Python library that lets users search and invoke pretrained generative models to synthesize medical images and datasets. Its documented examples include generating labeled mammography masses and translating mammograms between breast-density appearances.

Independent OpenViST project profile, based on linked sources.

Medigan — OpenViST project profile in Image & Video AI.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Medigan when a medical-imaging workflow needs synthetic samples from available pretrained models, especially for the documented mammography generation and image-translation examples.

Who it is for

  • Medical-imaging researchers exploring synthetic data for model development.
  • Python developers building image-generation workflows with pretrained medical-imaging models.
  • Teams investigating data augmentation, domain adaptation, or synthetic-data evaluation.

Documented uses

  • Find pretrained models using keywords such as modality or model type.
  • Generate synthetic medical-image samples or datasets with a selected model.
  • Request a model's output as a PyTorch DataLoader.
  • Explore synthetic data for training or adapting models for classification, segmentation, or detection.
Before you choose

Requirements & limits

The public repository identifies the project as open source under the MIT license and documents installation with pip or conda.

  • Models vary by modality, task, architecture, output, and base dataset; inspect the model documentation and references before selecting one.
  • The documented generation examples are model-specific, and the DCGAN example enables automatic installation of required model dependencies.
  • The project is a Python library rather than a separately documented hosted generation service.
  • Generated images are described as potential inputs for AI model training or adaptation, not as clinical outputs.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Medigan and generate mammography samples

Install the Python library and invoke the documented class-conditional mammography model to request synthetic samples.

Before you start

  • Python environment with pip or conda available.
  • Internet access may be needed to obtain the package and model dependencies; the example enables automatic installation of required model dependencies.

Steps

  1. Install with the command below or conda install -c conda-forge medigan.

    Documented command
    pip install medigan
  2. Import Generators from medigan and initialize it.

  3. Call generators.generate(model_id=8, num_samples=8, install_dependencies=True) to request eight samples from the documented model.

Expected outcome

The example requests eight synthetic mammography mass images from model 8, identified as 00008_C-DCGAN_MMG_MASSES, with malignant or benign labels.

Guide limitations

  • The example concerns this specific model and does not establish behavior or requirements for every model.
  • The repository example is documentation, not an execution test.
Source-based practical guide

Search the model collection by keywords

List available models and find entries whose configurations match selected terms.

Before you start

  • Medigan installed in a Python environment.
  • Python interpreter.

Steps

  1. Import Generators from medigan and initialize it.

  2. Call generators.list_models() to list models.

  3. Pass terms such as ['DCGAN', 'Mammography', 'BCDR'] to generators.find_matching_models_by_values(keywords).

Expected outcome

The example returns matching model entries for inspection.

Guide limitations

  • Keyword search identifies configuration matches; the example does not describe a ranking method or validate a model's suitability for a research task.
Evidence and transparency

Sources & review

Source record details
Source availability
Active
Sources checked
17 October 2026
Original website title
RichardObi/medigan · Official homepage title · retained in its source language