# Napari-3D-Counter: A manual cell counter for napari

## TL;DR

Napari-3D-Counter is a tool that helps experts count cells in 2D or 3D images using a user-friendly interface within the napari platform.

## Contribution

The novel contribution is the Count3D widget, which provides an intuitive interface for manual cell counting in 2D and 3D images within napari.

## Key findings

- Napari-3D-Counter includes a Count3D widget for efficient manual counting of objects in images.
- The package is designed to be user-friendly for both beginners and experienced users.
- It is available on PyPI and conda-forge and is indexed on napari-hub.

## Abstract

A common task across biological fields is to quantify the number of objects in an image. Often, the most efficient solution to this problem is to have an expert manually count those objects. This package, Napari-3D-Counter, includes the Count3D widget, a user-friendly interface to allow an expert to quickly count objects in 2D or 3D images visualized using napari, as well as auxiliary plugins that help to integrate Count3D into upstream and downstream analyses. Napari-3D-Counter focuses on being user-friendly for beginners and experienced users, and has been continually updated since its 2023 release. The package is available on both PyPI and conda-forge, and is indexed on napari-hub.