Group leader @ Uni Goettingen applying Image Analysis and Deep Learning to large microscopy data in biology. Also @cppape.bsky.social

Goettingen
Joined December 2015
We compare foundation models (SAM and DINO variants) with classical features from ilastik and supervised learning. The FM features outperform classical approaches. Attentive probing is better than RF, but too slow for interactive use. See example results in the fig.
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We use embeddings from foundation models as features, either for a RF or different attentive probing variants. The features are averaged over masks for object classification. See the image for a method overview.
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Segmenting cells in microscopy is much easier these days thanks to foundation models. Can we use these models for other tasks, e.g. cell classification? See our latest work! We find big improvements for object and pixel classification compared to classical approaches.
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How can we use foundation models such as (micro)SAM to improve electron microscopy segmentation? Check out our preprint! We found substantial improvements for nucleus, mito, and neurite-segmentation using initialization and semi-supervised learning with foundation models.
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Looking for a PhD position at the intersection of AI, imaging, and gene therapy? Apply for this position in my lab: tinyurl.com/2a2v6tvx Part of sfb1690.uni-goettingen.de/ that studies hearing, vision, and more. Plus, you can create pretty pictures like the one below :).
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We comprehensively evaluate our method and use it to analyze intact mouse and gerbil cochleae, including SGN sub-types, and to validate (opto-)genetic therapies preclinically (see screenshot). CochleaNet is also applicable to lower-resolution data from commercial systems.
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Cochleae were cleared, stained and imaged with a high-resolution light-sheet microscope (doi.org/10.1038/s41587-025-0…). After preprocessing,we segment and analyze the data with CochleaNet, using the three dedicated networks trained on newly annotated data.
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Preprint alert! CochleaNet, our framework for analyzing cochlear light-sheet data. It consists of three networks to segment spiral ganglion neurons, inner hair cells, and detect synapses. Rendering of a full cochlea below, find the preprint at doi.org/10.1101/2025.11.16.6…
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3. The model selection now supports two additional models (Histopathology, Medical Imaging) and uses human readable names, see the screenshot below. For more on these models check out: computational-cell-analytics…
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2. We added preliminary support for automatic tracking via trackastra, developed by @martweig. See the video for an example result and check out computational-cell-analytics… for details.
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Our next micro_sam release is here! We have a new model for light microscopy, that massively improves for automatic segmentation! See the qualitative and quantitative comparison in the images, v2 is our previous version, v3 is the new one.
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Our first deposition of synaptic vesicles segmentations is now in the Cryo ET Portal! We segmented vesicles in over 50 tomograms to enable analysis of membrane proteins and more. cryoetdataportal.czscience.c…
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Our models form the basis of micro_sam, our napari plugin for interactive and automatic segmentation. It can segment data in 2D, 3D and across time. You can find all the details at github.com/computational-cel…
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To achieve these improvements, we finetune SAM on a LM dataset (ca. 50k images, 1.2M annotated cells) and on a EM dataset (ca. 5k images, 90k annotated nuclei and mitos). We also add a new decoder for instance segmentation, which provides efficient automatic segmentation.
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After a long journey, Segment Anything for Microscopy is now published in Nature Methods! We significantly improve SAM for interactive and automatic segmentation in light and electron microscopy and build a user-friendly tool. nature.com/articles/s41592-0…
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