Image Analysis

HiTIF supports commercial high-content analysis, imaging bioinformatics, spatial bioinformatics, image storage, and computational infrastructure for high-throughput imaging projects.

Commercial High-Content Analysis

Cell painting and CRISPR integration image

Revvity Signals Imaging Artist

HiTIF uses a commercial Revvity Signals Imaging Artist (ImA) image-analysis server for arrayed HCI assays that do not require advanced image analysis. Imaging Artist provides interactive, web-based image browsing and analysis setup for high-content datasets and can queue batch analysis jobs for multiple users.

It runs on a dedicated multi-core server maintained by NCI IT in the NCI One Cloud (AWS) environment.

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Imaging Bioinformatics (IB)

For arrayed and pooled HCI assays that require advanced analysis, HiTIF develops and maintains in-house, open-source software for deep learning-based segmentation, live-cell tracking, single-cell statistics, and functional genomics screen analysis.

Pooled HCI

Pooled HCI Pipelines

For pooled HCI screens, HiTIF has developed custom Python pipelines for in situ sequencing image analysis, base calling, genotype-to-phenotype linking, and screening statistics, extracting single-cell phenotypic measurements and gene-level statistics for up to millions of cells per experiment.

R / Python

Exploratory and Statistical Analysis

Exploratory and statistical analysis of single biological objects, such as nuclei or FISH spots, uses custom R and/or Python pipelines that HiTIF provides to collaborators. Reproducibility is ensured through Quarto and Jupyter, and analysis code is deposited publicly through resources such as GitHub and Figshare.

Spatial Bioinformatics (SB)

HiTIF develops and tests custom advanced spatial-statistics pipelines for the analysis of spatial transcriptomics and proteomics datasets acquired on tissue samples.

We integrate and modify robust open-source spatial frameworks, including SpatialData and bin2Cell, and develop custom Bayesian models to quantify spatial statistics, account for technical variation, and estimate the effect size of experimental treatments on measured biological phenotypes.

Collaborators are provided with open-source, point-and-click data-visualization interfaces built on the Napari Python framework.

Example project (Nguyen lab, IL15/IL21 spatial analysis):

Image Storage

Data management concept image

NCI Data Management Environment (DME)

The NCI Data Management Environment (DME) offers open-ended storage and management of scientific research datasets. If you have an NIH account, the NCI Data Vault team can give you access to DME.

For access requests or any other questions, contact NCIDataVault@mail.nih.gov.

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Infrastructure

NIH High-Performance Computing

HiTIF’s computational pipelines run on the NIH High-Performance Computing (HPC) cluster, using latest-generation GPUs for deep learning-based image analysis.

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