# PlaqSeg

> Phage Plaque Segmentation Tool

Canonical page: [https://chrome-stats.com/d/id6755306120](https://chrome-stats.com/d/id6755306120)

## Overview

- **ID:** `id6755306120`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** University of Southampton
- **Category:** Utilities
- **Version:** 1.2.4
- **Last updated:** 2026-04-17
- **First published:** 2026-03-23
- **Size:** 139 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/plaqseg/id6755306120)
- **Website:** [https://www.justgiving.com/page/thephagecollectionproject](https://www.justgiving.com/page/thephagecollectionproject)
- **Privacy policy:** [https://www.southampton.ac.uk/about/governance/regulations-policies/privacy-policy](https://www.southampton.ac.uk/about/governance/regulations-policies/privacy-policy)

## Description

Instantly analyse bacteriophage plaques with ML-powered detection. Accurate counting, detailed metrics, and CSV export for research labs. Fast, precise, and offline.

Transform your bacteriophage research with PlaqSeg - the intelligent plaque detection and counting app designed for microbiology labs and phage researchers.

Key Features:

Automated Plaque Detection
• Advanced computer vision algorithms instantly identify and segment plaques
• Works directly from your phone camera or photo library
• Results in seconds, not minutes

ML Classification
• Trained CNN model filters false positives with 93%+ accuracy
• Adjustable confidence thresholds for precision control
• Continuously improving detection quality

Detailed Analytics
• Accurate plaque counting and statistics
• Size distribution analysis (area measurements)
• Circularity scoring for morphology studies
• PFU calculator for titer calculations

Export & Share
• Generate comprehensive CSV reports
• Export annotated images with overlay visualizations
• Complete analysis history tracking
• Easy data sharing for publications

Professional Controls
• Customizable detection parameters
• Manual editing: add or exclude plaques
• Fine-tune filters for your specific assays
• Works offline - no internet required

Tips for Best Results:
• Photograph petri dishes directly (not screens)
• Use dark, non-reflective backgrounds
• Ensure good, even lighting
• Hold camera parallel to dish surface

Perfect for:
• Phage therapy research
• Bacteriophage quantification
• Microbiology labs and courses
• Quality control in phage production
• Environmental phage studies

Developed by Leo Skingley at The Phage Collection Project

PlaqSeg is a research tool only; verify all results independently and do not use for clinical or diagnostic purposes.

## Rankings

- #1,120,529 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6755306120)