# Rectangle Detection

> Rectangle Detection (iPhone/iPad app by Hideaki Uchikoshi.)

- Source: https://appshunter.io/ios/app/rectangle-detection/id6511216798 (this page in markdown: same URL + `.md`)
- Developer: [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.7.2 · 36 MB
- Languages: American English, Japanese
- Released: 2024-08-02
- Data updated: 2026-07-22
- User reviews in markdown: https://appshunter.io/ios/app/rectangle-detection/id6511216798/reviews.md

## What is Rectangle Detection?

Find rectangular regions in images.

*Parameters that can be set for detection
・minimum Confidence: Confidence of detection results (0-1)
・minimum AspectRatio: Minimum aspect ratio of the rectangle to be detected (shorter dimension divided by longer dimension) (0-1)
・maximum AspectRatio: Maximum aspect ratio of the rectangle to be detected (shorter dimension divided by longer dimension) (0-1)
・quadratureTolerance: Tolerance angle for the corners of the rectangle to deviate from 90° (0-45)
・minimum Size: Ratio of size to the input image (0-1)
・maximum number of Rectangle : Maximum number of Rectangle(1-30)


## Version history (last 5 releases)

### 1.0.57 — 2026-07-19

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.0.56 — 2026-05-28

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.0.55 — 2026-04-28

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.0.54 — 2026-04-03

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.0.53 — 2025-11-20

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

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## More apps by Hideaki Uchikoshi

- [Caesar-Cipher](https://appshunter.io/ios/app/caesar-cipher/id1559575000)
- [Candle Position](https://appshunter.io/ios/app/candle-position/id1607432198)
- [Finger friendly camera](https://appshunter.io/ios/app/finger-friendly-camera/id1608106549)
- [Baumkuchen divided](https://appshunter.io/ios/app/baumkuchen-divided/id6480042293)
- [Ball rolling(2D)](https://appshunter.io/ios/app/ball-rolling2d/id6480332725)
- [Big character calculator](https://appshunter.io/ios/app/big-character-calculator/id6480366253)

All apps by Hideaki Uchikoshi: https://appshunter.io/developer/1559575002

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-22.*