Examples

Explore practical usage of zea with the following example notebooks. All notebooks can be run in the browser using Google Colab, using the links below. Make sure to select a GPU / TPU runtime to optimally benefit from the zea library.

Data

• Data
  • Working with the zea data format
  • Using local data paths with zea
  • Simulating ultrasound data with zea

Pipeline

• Pipeline
  • Beamforming to a 3D grid with zea.Pipeline
  • Differentiable beamforming for ultrasound autofocusing
  • Color Doppler ultrasound
  • Beamforming with a cartesian grid and a polar grid
  • Working with zea.Pipeline
  • Working with a sequence of images

Models

• Models
  • Carotid artery segmentation
  • Custom PyTorch model in a zea.Pipeline
  • Diffusion models for ultrasound image generation
  • Hierarchical VAEs for ultrasound image generation and inpainting
  • Left ventricle segmentation
  • Left ventricular hypertrophy segmentation
  • Nuclear diffusion models for ultrasound dehazing
  • Ultrasound speckle tracking
  • Autoencoder for ultrasound images
  • Using zea.Models: a UNet example

Metrics

• Metrics
  • LPIPS: perceptual similarity for ultrasound images
  • Myocardial image quality estimation

Agent

• Agent
  • Active perception for focused transmit steering
  • Task-based transmit beamforming perception-action loop