imagerExtra

1.3.2

Extra Image Processing Library Based on 'imager'

1packages depend

4.5Kdownloads / year

60.8%test coverage

11/13checks pass

Overview

About

Maintained by Shota OchiFirst published 2018-05-297 releasesCRAN page ↗GitHub ↗

Provides advanced functions for image processing based on the package 'imager'.

Install

R (CRAN)pak (dev)Ubuntu (r2u)

install.packages("imagerExtra", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("ShotaOchi/imagerExtra")

Development version from ShotaOchi/imagerExtra. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-imagerextra

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

Health

CRAN checks

2NOTE11OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-clang
NOTE r-devel-linux-x86_64-debian-gcc

Slowest check: 4.1 min · r-devel-linux-x86_64-fedora-clang

Code health

Yes

Tests · ratio 0.55

60.8%

Coverage · measured lines

100%

Documentation · exports

Dependencies · direct

Check history

NOTE2026-06-09
11 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-06-08
11 OK · 1 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
NOTE2026-04-22
12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-04-18
11 OK · 2 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
NOTE2026-03-10
12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesYes · dynamicpkgdown siteNoNEWSNoCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 100%
Return-value docs: 94%
References docs: 63%

Downloads

4.5K

CRAN downloads in the past year

Rank #11,561 · ~12/day · ~374/mo

Releases R versions

Daily download trend is not available in this view yet.

19430 days

86090 days

4.5K1 year

Compare downloads with other packages →

Also on597 r2u

Repository

GitHub ↗ shotaochi/imagerextra

12Stars

0Forks

0Open issues

0Open PRs

0Releases

226Commits

3Contributors

rimagerimage-processing

License GPL-3.0 · 226 commits · Last activity 2023-01-04 · 0% stars, 30d

Stars over time

2024-08-01 · 112026-07-07 · 12

Repository practices

Upstream repositoryBeta

2 development-tooling and community-health practices detected across 2 families in the upstream repository

Checks run against github.com/shotaochi/imagerextra on 2026-08-03.

Continuous integration (1)

GitHub Actions

Git structural (1)

.gitattributes

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

9 external dependencies (excludes base and recommended)

Depends (2)

R >= 2.10.0imager

Imports (3)

fftwtools magrittr Rcpp

LinkingTo (1)

Rcpp

Suggests (4)

testthat knitr rmarkdown tesseract

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

1direct

0indirect

biopixR

Code & Tests

People & History

People (6)

Maintainer (1)

Shota Ochi

Author, Maintainer

Authors (1)

Shota Ochi

Author, Maintainer

Contributors (4)

Pascal Getreuer

Contributor, Copyright holder · added in 1.3.0

Guillermo Sapiro

Contributor, Copyright holder

Catalina Sbert

Contributor, Copyright holder

Guoshen Yu

Contributor, Copyright holder

Pascal Getreuer

Contributor, Copyright holder · added in 1.3.0

Guillermo Sapiro

Contributor, Copyright holder

Catalina Sbert

Contributor, Copyright holder

Guoshen Yu

Contributor, Copyright holder

Image Processing On Line

Package Timeline

7 releases. Pick two to compare their code metrics. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
R
R 4.3.0 released · 2023-04-21
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
R
R 4.0.0 released · 2020-04-24
R
R 3.6.0 released · 2019-04-26
1.3.2Latest
2019-01-25 · current release · diff ↗
unarchivedReturned to CRAN
2019-01-25
archivedRemoved from CRAN
2019-01-23
policy violation
1.3.1
2019-01-11 · diff ↗
1.3.0
2018-11-28 · diff ↗
1.2.0
2018-07-22 · diff ↗
1.1.1
2018-07-03 · diff ↗
1.1.0
2018-07-01 · diff ↗

Show 2 earlier events

1.0
2018-05-29
R
R 3.5.0 released · 2018-04-23

Package metadata

First published: 2018-05-29
Total releases: 7 / 8 yrs
License: GPL-3 OSI
Minimum R: ≥ 2.10.0
Bundled data: 144 KB / 2 files
Download size: 465 KB
Installed size: not tracked yet
With dependencies: not tracked yet

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