PyPI Stats
tbepler

topaz-em

Particle picking with positive-unlabeled CNNs
PyPI GitHub
Downloads
Day
22
Week
303
Month
1.4K
Stars
208
Forks
72
Issues
24
Version
0.3.18

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
80
Popularity
51
Adoption
31
Community
60
How the maintenance status was determined
Last commit
41 days ago
Monthly downloads
1,434
Active
Activity within 30 days
• Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
1,434
Stars
208
Stars per 1k downloads
145.05
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
• Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
43
Month daily avg
48
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
Python version support tiers
requires_python
<=3.13,>=3.8
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
GPLv3
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
• Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
99 days ago
Total releases
22
Releases/year
3.2
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
11
Monthly downloads
1,434
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
73
 
Issue Burden
115.4
per 1k stars
Discussions
264.4
per 1k stars
Fork Ratio
15.3%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 8

Python Versions

2.7
25.0% 2
3.10
25.0% 2
3.13
25.0% 2
3.7
25.0% 2

Top Countries

1. DE DE
22
2. US US
10
3. CA CA
1

Dependencies

10

Used By

2

Package Information

License
GPLv3
First Release
May 30, 2019
Last Release
3 months ago
Last Commit
1 month ago
Latest Version
0.3.18
Total Releases
22
Contributors
11
Open PRs
3
Archived
No
Author
Tristan Bepler
Python Versions
3 3.8 3.9 3.10 3.11 3.12
Wheels
py2 py3
Keywords
cryoEM particle-picking CNN positive-unlabeled denoise topaz
Topics
cryoem particle-picking machine-learning cnn positive-unlabeled object-detection pytorch topaz topaz-denoise denoising cryo-em topaz-em
Tracking Since
January 8, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links