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what was that paper about 'stik ml bio' something…? and where did i last leave off?Search
1 paper · 1 note matched

Paper

Nature Methods201910.1038/s41592-019-0582-9

ilastik: interactive machine learning for (bio)image analysis

Berg, S., Kutra, D., Kroeger, T. et al.

We present ilastik, an easy-to-use interactive tool that brings machine-learning-based (bio)image analysis to end users without substantial computational expertise. It contains pre-defined workflows for image segmentation, object classification, counting and tracking. Users adapt the workflows to the problem at hand by interactively providing sparse training annotations for a nonlinear classifier. ilastik can process data in up to five dimensions (3D, time and number of channels). Its computational back end runs operations on-demand wherever possible, allowing for interactive prediction on data larger than RAM. Once the classifiers are trained, ilastik workflows can be applied to new data from the command line without further user interaction. We describe all ilastik workflows in detail, including three case studies and a discussion on the expected performance.

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Insight
Jan 14, 2025

Research Ideas: framed to connect directly with open problems in bioimage analysis, interactive machine learning, scalable computation, and reproducible workflows

Strengths

Accessible interactive ML for bioimage analysis without coding. Sparse annotation (scribbles) lowers labeling burden. Supports segmentation, object classification, counting, and tracking across up to 5D data (3D + time + channels). Out-of-core, on-demand computation enables interactive prediction on datasets larger than RAM. Trained workflows can be exported and run headlessly via command line for reproducible batch processing.

Research Directions

• Active learning for interactive annotation: uncertainty-guided scribble suggestions to reduce labeling time.

• Self-supervised pretraining for 3D microscopy to reduce annotation burden.

• Hybrid deep feature integration: plug pretrained CNN/ViT features into ilastik classifier pipeline.

• Multi-resolution, coarse-to-fine inference for terabyte-scale datasets.

• Uncertainty-aware overlays to guide user corrections in real time.

• Systematic evaluation of annotation granularity (clicks vs scribbles vs outlines).

• Cross-dataset transfer and domain adaptation benchmarking.

• Standardized 5D interactive segmentation benchmark suite.

Concerns / Gaps

Limited exploration of model uncertainty calibration. Feature engineering remains largely hand-crafted. Generalization across modalities unclear. Human-in-the-loop efficiency not rigorously quantified. Scalability tradeoffs vs deep end-to-end models underexplored.

Last left off

Want to examine classifier type (random forest?) and feature stack in detail; compare to modern deep segmentation baselines and evaluate computational complexity scaling with dataset size.

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