JuliaImages/ImageFiltering.jl

View on GitHub

Julia implementations of multidimensional array convolution and nonlinear stencil operations

Stars: 104
Forks: 52
Open beginner issues: 0
Indexed issues: 44

Dominant language: Julia
License: No license data
Last GitHub push: Aug 11, 2025
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue hacktoberfest
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

44 open issues indexed

Wrong LoG scale normalization in `blob_LoG` Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JuliaImages/ImageFiltering.jl#278 · Opened Feb 28, 2025
Output image incorrect when OffsetArray vectors passed as kernel components Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#269 · 4 comments · 1 reaction · Opened Nov 30, 2023
imfilter!: TypeError: in Type{...} expression, expected UnionAll Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaImages/ImageFiltering.jl#268 · Opened Sep 20, 2023
Error with `mapwindow` and custom function, when the window is greater than 2x the size of the inputs Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#262 · Opened Jun 26, 2023
padarray inconsistent behavior for n=1 axes Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#259 · 5 comments · 1 reaction · Opened May 30, 2023
Error When Using `SMatrix` for FIR Separable Filtration Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#252 · 2 comments · Opened Nov 29, 2022
`findlocalmaxima` fail to handle repeated peaks Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaImages/ImageFiltering.jl#248 · Opened Jun 15, 2022
Unstable `imfilter!` execution time with variable FFTW threads Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaImages/ImageFiltering.jl#246 · Opened Mar 23, 2022
Strange automagic kernel centering depending on eltype Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#245 · 2 comments · Opened Feb 24, 2022
optimized mean filter using IntegralArrays Open

good first issue help wanted

Difficulty 4/5 3-5 days Newbie friendliness 42/100

JuliaImages/ImageFiltering.jl#241 · Opened Nov 30, 2021
Question: mapwindow with multi-threads? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaImages/ImageFiltering.jl#239 · 4 comments · Opened Nov 12, 2021
tutorial: spatial kernel filtering with `imfilter` and convolution theorem Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JuliaImages/ImageFiltering.jl#237 · Opened Nov 2, 2021
rename "circular" to "periodic" when reworking padarray Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#232 · 1 reaction · Opened Oct 14, 2021
Code movements and next releases Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaImages/ImageFiltering.jl#228 · 1 reaction · Opened Sep 5, 2021
introduce a `findall` version of `mapwindow` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaImages/ImageFiltering.jl#224 · Opened Sep 2, 2021
Butterworth Kernel? Open

good first issue hacktoberfest help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#240 · 3 comments · Opened Aug 3, 2021
imfilter "plan" ? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaImages/ImageFiltering.jl#219 · 7 comments · Opened Jun 22, 2021
algorithm: local laplacian filters Open

hacktoberfest help wanted

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#215 · 6 comments · Opened May 25, 2021
Mapwindow StackOverflowError? Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

JuliaImages/ImageFiltering.jl#212 · 1 comment · 3 reactions · Opened Apr 5, 2021
Richardson–Lucy deconvolution Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#210 · 2 comments · Opened Mar 20, 2021
Is there a practical example of use of imfilter in GPUs? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaImages/ImageFiltering.jl#209 · 14 comments · Opened Feb 28, 2021
imgradients documentation is confusing Open

documentation question

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#211 · 1 comment · Opened Dec 17, 2020
UndefRefError or julia crash when filtering empty vectors with abstract eltype Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

JuliaImages/ImageFiltering.jl#180 · 1 reaction · Opened Aug 17, 2020
possible performance improvement to `mapwindow` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#179 · 5 comments · 2 reactions · Opened Jul 23, 2020
Force imfilter to use Algorithm.FIR doesn't work Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JuliaImages/ImageFiltering.jl#178 · Opened Jul 14, 2020
Allow unitful kernels when filtering unitful AxisArrays Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaImages/ImageFiltering.jl#176 · 2 comments · 1 reaction · Opened Jun 22, 2020
mapwindow with border option not implemented? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#175 · 3 comments · Opened Jun 17, 2020
Weird help display Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#170 · 1 comment · Opened Jun 8, 2020
mapwindow failure cases Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#169 · Opened May 26, 2020
InfiniteViews: Allow expansion of image via infinite padding Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaImages/ImageFiltering.jl#164 · 2 reactions · Opened Apr 11, 2020
TODOs Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaImages/ImageFiltering.jl#142 · 7 comments · 6 reactions · Opened Jan 13, 2020
Linear extrapolation for boundary values? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaImages/ImageFiltering.jl#134 · 1 reaction · Opened Dec 24, 2019
Probably severe argument dropping Open

Difficulty 1/5 Under an hour Newbie friendliness 20/100

JuliaImages/ImageFiltering.jl#112 · 4 comments · Opened Aug 29, 2019
imfilter! is slower with an Array source than an OffsetArray Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#95 · Opened Feb 27, 2019
Test failure if run with multiple threads Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaImages/ImageFiltering.jl#87 · 1 reaction · Opened Dec 4, 2018
Optimized Median Filter Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#222 · 4 comments · 3 reactions · Opened Oct 4, 2018
Are the allocations from `imfilter!` expected? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#76 · 8 comments · Opened Sep 10, 2018
Add ability to multiply kernels by scalars Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaImages/ImageFiltering.jl#69 · 1 reaction · Opened Jul 23, 2018
ERROR: ... lacks the proper padding sizes for an array with 2 dimensions Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

JuliaImages/ImageFiltering.jl#66 · 3 comments · Opened Jul 18, 2018
Tests depend on Threads.nthreads() == 1 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaImages/ImageFiltering.jl#63 · 1 reaction · Opened May 10, 2018
Convolutions for DL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaImages/ImageFiltering.jl#52 · 8 comments · Opened Jan 4, 2018
Can the dependency on Colors be dropped? Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

JuliaImages/ImageFiltering.jl#51 · 4 comments · Opened Dec 22, 2017
mapwindow functionality Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaImages/ImageFiltering.jl#42 · 13 comments · 1 reaction · Opened Nov 2, 2017
Add conv2 wrapper Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaImages/ImageFiltering.jl#11 · Opened Oct 13, 2016

JuliaImages/ImageFiltering.jl

Get new issues in your inbox