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JuliaImages / OpenCV.jl

Use OpenCV in Julia!! 🚀
https://juliaimages.org/OpenCV.jl/dev/
MIT License
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findContours bug? #8

Open liupgd opened 3 years ago

liupgd commented 3 years ago 
using OpenCV
const cv = OpenCV
...
contours = cv.findContours(threshImgBlr2, cv.RETR_LIST, cv.CHAIN_APPROX_NONE)

output:

ERROR: MethodError: no method matching jlopencv_core_Mat_mutable_data(::OpenCV.CxxMatDereferenced) Closest candidates are: jlopencv_core_Mat_mutable_data(::Union{CxxWrap.CxxWrapCore.SmartPointer{T2}, T2} where T2<:OpenCV.CxxMatAllocated) at /home/.../.julia/packages/CxxWrap/OcN1Z/src/CxxWrap.jl:618 Stacktrace: [1] cpp_to_julia(mat::OpenCV.CxxMatDereferenced) @ OpenCV ~/.julia/artifacts/7f7ecae944127299b78b8a360c8b5a5f94df8b2f/OpenCV/src/mat_conversion.jl:20 [2] cpp_to_julia @ ~/.julia/artifacts/7f7ecae944127299b78b8a360c8b5a5f94df8b2f/OpenCV/src/mat_conversion.jl:103 [inlined] [3] cpp_to_julia @ ~/.julia/artifacts/7f7ecae944127299b78b8a360c8b5a5f94df8b2f/OpenCV/src/cv_cxx.jl:38 [inlined] [4] findContours @ ~/.julia/artifacts/7f7ecae944127299b78b8a360c8b5a5f94df8b2f/OpenCV/src/cv_cxx_wrap.jl:2232 [inlined] [5] #findContours#226 @ ~/.julia/artifacts/7f7ecae944127299b78b8a360c8b5a5f94df8b2f/OpenCV/src/cv_cxx_wrap.jl:2234 [inlined] [6] findContours(image::OpenCV.Mat{UInt8}, mode::Int32, method::Int32) @ OpenCV ~/.julia/artifacts/7f7ecae944127299b78b8a360c8b5a5f94df8b2f/OpenCV/src/cv_cxx_wrap.jl:2234 [7] top-level scope @ REPL[220]:1

Thx

rakeshksr commented 1 week ago

@liupgd Does this issue still continue to persist?

rakeshksr commented 1 week ago

Related issue https://github.com/opencv/opencv_contrib/issues/2788