Making sense of a package with almost no files included
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$ uname -a
Linux laptop 4.19.0-2-amd64 #1 SMP Debian 4.19.16-1 (2019-01-17) x86_64 GNU/Linux
I need to use cv::face::createLBPHFaceRecognizer(), which is not a part of the core OpenCV but rather a contributed module.
$ dpkg -l libopencv-contrib-dev
ii libopencv-contrib-dev:amd64 3.2.0+dfsg-6 amd64 development files for libopencv-contrib3.2
everything fine ... no:
src/cmd.cpp:150: error: ‘cv::face’ has not been declared
const auto model = cv::face::createLBPHFaceRecognizer();
^~~~
OK. Let's then include the needed headers manually:
$ dpkg -S libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/changelog.Debian.gz
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/copyright
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/README.Debian
Nothing! Is this a packager's mistake (this is Debian testing after all)? An OpenCV peculiarity? A minor oversight on my side? I would like to continue using the package manager, instead of compiling the whole thing myself.
package-management opencv
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
asked Mar 16 at 9:37
VoracVorac
1,04831834
add a comment |
$ uname -a
Linux laptop 4.19.0-2-amd64 #1 SMP Debian 4.19.16-1 (2019-01-17) x86_64 GNU/Linux
I need to use cv::face::createLBPHFaceRecognizer(), which is not a part of the core OpenCV but rather a contributed module.
$ dpkg -l libopencv-contrib-dev
ii libopencv-contrib-dev:amd64 3.2.0+dfsg-6 amd64 development files for libopencv-contrib3.2
everything fine ... no:
src/cmd.cpp:150: error: ‘cv::face’ has not been declared
const auto model = cv::face::createLBPHFaceRecognizer();
^~~~
OK. Let's then include the needed headers manually:
$ dpkg -S libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/changelog.Debian.gz
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/copyright
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/README.Debian
Nothing! Is this a packager's mistake (this is Debian testing after all)? An OpenCV peculiarity? A minor oversight on my side? I would like to continue using the package manager, instead of compiling the whole thing myself.
package-management opencv
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
asked Mar 16 at 9:37
VoracVorac
1,04831834
add a comment |
$ uname -a
Linux laptop 4.19.0-2-amd64 #1 SMP Debian 4.19.16-1 (2019-01-17) x86_64 GNU/Linux
I need to use cv::face::createLBPHFaceRecognizer(), which is not a part of the core OpenCV but rather a contributed module.
$ dpkg -l libopencv-contrib-dev
ii libopencv-contrib-dev:amd64 3.2.0+dfsg-6 amd64 development files for libopencv-contrib3.2
everything fine ... no:
src/cmd.cpp:150: error: ‘cv::face’ has not been declared
const auto model = cv::face::createLBPHFaceRecognizer();
^~~~
OK. Let's then include the needed headers manually:
$ dpkg -S libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/changelog.Debian.gz
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/copyright
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/README.Debian
Nothing! Is this a packager's mistake (this is Debian testing after all)? An OpenCV peculiarity? A minor oversight on my side? I would like to continue using the package manager, instead of compiling the whole thing myself.
package-management opencv
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
asked Mar 16 at 9:37
VoracVorac
1,04831834
$ uname -a
Linux laptop 4.19.0-2-amd64 #1 SMP Debian 4.19.16-1 (2019-01-17) x86_64 GNU/Linux
I need to use cv::face::createLBPHFaceRecognizer(), which is not a part of the core OpenCV but rather a contributed module.
$ dpkg -l libopencv-contrib-dev
ii libopencv-contrib-dev:amd64 3.2.0+dfsg-6 amd64 development files for libopencv-contrib3.2
everything fine ... no:
src/cmd.cpp:150: error: ‘cv::face’ has not been declared
const auto model = cv::face::createLBPHFaceRecognizer();
^~~~
OK. Let's then include the needed headers manually:
$ dpkg -S libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/changelog.Debian.gz
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/copyright
libopencv-contrib-dev:amd64: /usr/share/doc/libopencv-contrib-dev/README.Debian
Nothing! Is this a packager's mistake (this is Debian testing after all)? An OpenCV peculiarity? A minor oversight on my side? I would like to continue using the package manager, instead of compiling the whole thing myself.
package-management opencv
package-management opencv
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
asked Mar 16 at 9:37
VoracVorac
1,04831834
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
asked Mar 16 at 9:37
VoracVorac
1,04831834
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
edited Mar 16 at 9:47
Stephen Kitt
181k25415494
181k25415494
asked Mar 16 at 9:37
VoracVorac
1,04831834
asked Mar 16 at 9:37
VoracVorac
1,04831834
asked Mar 16 at 9:37
VoracVorac
1,04831834
1,04831834
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
The package is fine, you’re using the wrong dpkg option:
dpkg -L libopencv-contrib-dev
will list all the files in the libopencv-contrib-dev, which is what you’re after (and will show all the files listed here), whereas
dpkg -S libopencv-contrib-dev
searches all installed packages for files with libopencv-contrib-dev in their path, which only matches the four files you’ve listed.
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
add a comment |
It was an oversight.
#include <opencv2/opencv.hpp>
#include <opencv2/face.hpp>
The first include is insufficient, the second one is needed as well.
Although this solves the problem, I would appreciate an explaination why don't any useful files show up in dpkg -S.
answered Mar 16 at 9:37
VoracVorac
1,04831834
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
The package is fine, you’re using the wrong dpkg option:
dpkg -L libopencv-contrib-dev
will list all the files in the libopencv-contrib-dev, which is what you’re after (and will show all the files listed here), whereas
dpkg -S libopencv-contrib-dev
searches all installed packages for files with libopencv-contrib-dev in their path, which only matches the four files you’ve listed.
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
add a comment |
The package is fine, you’re using the wrong dpkg option:
dpkg -L libopencv-contrib-dev
will list all the files in the libopencv-contrib-dev, which is what you’re after (and will show all the files listed here), whereas
dpkg -S libopencv-contrib-dev
searches all installed packages for files with libopencv-contrib-dev in their path, which only matches the four files you’ve listed.
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
add a comment |
The package is fine, you’re using the wrong dpkg option:
dpkg -L libopencv-contrib-dev
will list all the files in the libopencv-contrib-dev, which is what you’re after (and will show all the files listed here), whereas
dpkg -S libopencv-contrib-dev
searches all installed packages for files with libopencv-contrib-dev in their path, which only matches the four files you’ve listed.
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
The package is fine, you’re using the wrong dpkg option:
dpkg -L libopencv-contrib-dev
will list all the files in the libopencv-contrib-dev, which is what you’re after (and will show all the files listed here), whereas
dpkg -S libopencv-contrib-dev
searches all installed packages for files with libopencv-contrib-dev in their path, which only matches the four files you’ve listed.
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
answered Mar 16 at 9:46
Stephen KittStephen Kitt
181k25415494
181k25415494
add a comment |
add a comment |
It was an oversight.
#include <opencv2/opencv.hpp>
#include <opencv2/face.hpp>
The first include is insufficient, the second one is needed as well.
Although this solves the problem, I would appreciate an explaination why don't any useful files show up in dpkg -S.
answered Mar 16 at 9:37
VoracVorac
1,04831834
add a comment |
It was an oversight.
#include <opencv2/opencv.hpp>
#include <opencv2/face.hpp>
The first include is insufficient, the second one is needed as well.
Although this solves the problem, I would appreciate an explaination why don't any useful files show up in dpkg -S.
answered Mar 16 at 9:37
VoracVorac
1,04831834
add a comment |
It was an oversight.
#include <opencv2/opencv.hpp>
#include <opencv2/face.hpp>
The first include is insufficient, the second one is needed as well.
Although this solves the problem, I would appreciate an explaination why don't any useful files show up in dpkg -S.
answered Mar 16 at 9:37
VoracVorac
1,04831834
It was an oversight.
#include <opencv2/opencv.hpp>
#include <opencv2/face.hpp>
The first include is insufficient, the second one is needed as well.
Although this solves the problem, I would appreciate an explaination why don't any useful files show up in dpkg -S.
answered Mar 16 at 9:37
VoracVorac
1,04831834
answered Mar 16 at 9:37
VoracVorac
1,04831834
answered Mar 16 at 9:37
VoracVorac
1,04831834
answered Mar 16 at 9:37
VoracVorac
1,04831834
1,04831834
add a comment |
add a comment |
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