[Bug]: Invalid number of channels in input images where scn is 4

[pgarciacamou]

Similar Issue: https://github.com/visual-layer/fastdup/issues/190

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What happened?

When running fastdup via https://registry.hub.docker.com/r/karpadoni/fastdup-ubuntu-20.04/ I get the following error:

2023-06-25 23:43:19 [ERROR] Failed to read image /home/Photos/IMG_8034.PNG OpenCV(4.6.0) /mnt/data/openc
v/modules/imgproc/src/color.simd_helpers.hpp:92: error: (-2:Unspecified error) in function 'cv::impl:
:{anonymous}::CvtHelper<VScn, VDcn, VDepth, sizePolicy>::CvtHelper(cv::InputArray, cv::OutputArray, i
nt) [with VScn = cv::impl::{anonymous}::Set<1>; VDcn = cv::impl::{anonymous}::Set<3, 4>; VDepth = cv:
:impl::{anonymous}::Set<0, 2, 5>; cv::impl::{anonymous}::SizePolicy sizePolicy = cv::impl::<unnamed>:
:NONE; cv::InputArray = const cv::_InputArray&; cv::OutputArray = const cv::_OutputArray&]'          
> Invalid number of channels in input image:                                                         
>     'VScn::contains(scn)'                                                                          
> where                                                                                              
>     'scn' is 4

IMG_8034.PNG:

What did you expect to see?

No response

What version of fastdup were you runnning on?

1.17

What version of Python were you running on?

Python 3.8

Operating System

Ubuntu 20.04.6 LTS

Reproduction steps

1. Run the docker container inside my DS220+ Synology NAS.
2. Run python3 run_fastdup.py

run_fastdup.py:

import fastdup

# Set the working directory and the directory containing the images
work_dir = '/fastdup'
images_dir = '/home'

# Create a FastDup instance and run it
fd = fastdup.create(work_dir, images_dir)
fd.run()

Relevant log output

No response

Attach a screenshot [Optional]

No response

Contact Details [Optional]

No response

[dbickson]

Hi @pgarciacamou. Thanks for the detailed error report! I looked at your image and it is somehow non standard. It is RGBA 16 bit. We have added a fix in version 1.21, it will be out today.

[dbickson]

Version 1.21 is out please try it out.

[pgarciacamou]

Tested it and it works as expected now. 👍 thank you!