https://github.com/josafatburmeister/circle_detection
A Python Package for Detecting Circles in 2D Point Sets.
Science Score: 39.0%
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Low similarity (12.0%) to scientific vocabulary
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Repository
A Python Package for Detecting Circles in 2D Point Sets.
Basic Info
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README.md
circle_detection
A Python Package for Detecting Circles in 2D Point Sets.
The package allows to detect circles in a set of 2D points. Currently, the package implements the following circle detection methods:
- The M-estimator method proposed in Garlipp, Tim, and Christine H. Müller. "Detection of Linear and Circular Shapes in Image Analysis." Computational Statistics & Data Analysis 51.3 (2006): 1479-1490.
- The RANSAC method based on least-squares circle fitting.
Get started
The package can be installed via pip:
bash
python -m pip install circle-detection
The package provides MEstimator and Ransac classes, which can be used as follows:
```python from circle_detection import MEstimator, Ransac import numpy as np
xy = np.array([[-1, 0], [1, 0], [0, -1], [0, 1]], dtype=np.float64)
mestimator = MEstimator(bandwidth=0.05) mestimator.detect(xy) mestimator.filter(maxcircles=1)
print("Circles detected by M-Estimator method:", np.round(mestimator.circles, 2)) print("Fitting scores:", mestimator.fitting_scores)
ransac = Ransac(bandwidth=0.05) ransac.detect(xy) ransac.filter(max_circles=1)
print("Circles detected by RANSAC method:", np.round(ransac.circles, 2)) print("Fitting scores:", ransac.fitting_scores)
Retrieve parameters of the detected circles
if len(ransac.circles) > 0: circlecenterx, circlecentery, circle_radius = ransac.circles[0] ```
The package also supports batch processing, i.e. the parallel detection of circles in separate sets of points. For batch
processing, the points of all input point sets must be stored in a flat array. Points that belong to the same point set
must be stored consecutively. The number of points per point set must then be specified using the batch_lengths
parameter:
```python from circle_detection import Ransac import numpy as np
xy = np.array( [ [-1, 0], [1, 0], [0, -1], [0, 1], [0, 1], [2, 1], [1, 0], [1, 2], [1 + np.sqrt(2), 1 + np.sqrt(2)], ], dtype=np.float64, ) batch_lengths = np.array([4, 5], dtype=np.int64)
circledetector = Ransac(bandwidth=0.05) circledetector.detect(xy, batchlengths=batchlengths) circledetector.filter(maxcircles=1)
print("Circles:", np.round(circledetector.circles, 2)) print("Fitting scores:", circledetector.fittingscores) print("Number of circles detected in each point set:", circledetector.batchlengthscircles) ```
Package Documentation
The package documentation is available here.
Owner
- Name: Josafat-Mattias Burmeister
- Login: josafatburmeister
- Kind: user
- Location: Potsdam, Germany
- Company: @hpicgs
- Repositories: 8
- Profile: https://github.com/josafatburmeister
IT systems engineer and biologist
GitHub Events
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- Issue comment event: 36
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Last Year
- Release event: 4
- Delete event: 28
- Issue comment event: 36
- Push event: 204
- Pull request event: 57
- Create event: 33
Committers
Last synced: 7 months ago
Top Committers
| Name | Commits | |
|---|---|---|
| Josafat-Mattias Burmeister | 3****r | 37 |
| github-actions[bot] | g****] | 1 |
| semantic-release | s****e | 1 |
Issues and Pull Requests
Last synced: 6 months ago
All Time
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- Total pull requests: 53
- Average time to close issues: N/A
- Average time to close pull requests: 11 days
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- Average comments per issue: 0
- Average comments per pull request: 1.09
- Merged pull requests: 48
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Past Year
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- Pull requests: 53
- Average time to close issues: N/A
- Average time to close pull requests: 11 days
- Issue authors: 0
- Pull request authors: 1
- Average comments per issue: 0
- Average comments per pull request: 1.09
- Merged pull requests: 48
- Bot issues: 0
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- josafatburmeister (64)
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- Total packages: 1
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Total downloads:
- pypi 430 last-month
- Total dependent packages: 0
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- Total versions: 2
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pypi.org: circle-detection
A Python package for detecting circles in 2D point sets.
- Homepage: https://github.com/josafatburmeister/circle_detection
- Documentation: https://josafatburmeister.github.io/circle_detection/
- License: MIT License Copyright (c) 2024 Josafat-Mattias Burmeister Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Latest release: 0.2.0
published about 1 year ago