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2020-09-23 03:16:31 -0500 edited question how to get a outputarrayofarrays

how to get a outputarrayofarrays Hi, I have a method func(OutputArrayOfArrays points) { vector < vector < Po

2020-09-23 01:36:08 -0500 commented question Detect objects even though they touch the border of an image

please show, what you have, so far (code/images)

2020-09-23 01:34:05 -0500 answered a question What are realistic processing times for object tracking

there is a benchmark program for the tracking module, you probably should try it on your data. you also should investig

2020-09-22 08:04:58 -0500 received badge  Nice Answer (source)
2020-09-22 03:04:41 -0500 commented question Cant load images after adding opencv_face450.dll.a libraries

again, show , what you have, please

2020-09-22 02:44:15 -0500 commented question Cant load images after adding opencv_face450.dll.a libraries

but i soon as i add the opencv_face450.dll.a library to the project, the imread function stops working this sounds

2020-09-22 02:01:17 -0500 received badge  Nice Answer (source)
2020-09-22 02:01:17 -0500 received badge  Good Answer (source)
2020-09-22 01:49:41 -0500 answered a question Brox Optical Flow - Python Binding

no, there arent any python/java bindings for this. the optical flow classes from the superres module also don't seem to

2020-09-22 01:28:13 -0500 answered a question problem with cv2.imshow() method

problem is not with imshow(), -- your image was not loaded correctly, and is invalid. you have to check the output of i

2020-09-22 01:25:52 -0500 commented question Stereo match based on feature points.

but not BM, SGBM why ? can you explain more ? what are you trying to achieve ?

2020-09-21 12:41:26 -0500 commented question seamlessClone invoke causes compilation error

do you realize, that your question is entirely useless without the image ?

2020-09-21 11:51:45 -0500 commented question How to pre-process images for OCR ?

anything that can adjust these params automatically, there's no silver bullet here, so -- no universal preprocessin

2020-09-21 11:46:58 -0500 commented question seamlessClone invoke causes compilation error

and no, this is not a compilation, but a linker error. What am I missing ? basic c++ skills, google fu

2020-09-21 11:45:30 -0500 commented question seamlessClone invoke causes compilation error

and no, this is not a compilation, but a linker error. What am I missing ? basic c++ skills

2020-09-21 11:43:19 -0500 commented question seamlessClone invoke causes compilation error

and no, this is not a compilation, but a linker error.

2020-09-21 11:39:56 -0500 commented question seamlessClone invoke causes compilation error

please, replace the useless screenshot with a TEXT version of your code / errors, thank you !

2020-09-21 08:25:19 -0500 commented question FileNotFoundError: [Errno 2] No such file or directory: 'low-poly-fox-by-pixelmannen.mtl'

please stop spamming this site with unrelated, arbitrary python posts

2020-09-21 07:31:20 -0500 commented question No FPS change when using MJPEG format

please check the return value from capture.set() setting the fourcc is probably not supported

2020-09-20 06:55:39 -0500 commented question Distinguish head of bolt and its thread

since you already have a RotatedRect (nice !), you could use its angle property to warp it into a plain horizontal posit

2020-09-20 03:19:11 -0500 answered a question OpenCV image display

I ended up downloading it through pip that's why you don't have a samples or even samples/data folder, so the helpe

2020-09-20 02:05:58 -0500 commented question CMAKE Java Tests : NO, ANT : NO although ANT was installed

try to run ant from a cmdline. if you can't -- cmake can't either.

2020-09-19 05:33:54 -0500 commented answer Eclipse CDT I have build opencv but my .exe fails at runtime

sorry, but we cannot help you using eclipse, that's really far off i see the picture but the windows just sticks for

2020-09-19 05:32:13 -0500 commented answer Eclipse CDT I have build opencv but my .exe fails at runtime

sorry, but we cannot help you using eclipse, that's really far off

2020-09-19 02:21:57 -0500 commented question I find no "opencv_world*.lib files on OpenCV4.3

I recently upgraded to OpenCV 4.3.0 what did you do, exactly ? (if you're trying to build from src, it probably wi

2020-09-19 02:18:52 -0500 answered a question Eclipse CDT I have build opencv but my .exe fails at runtime

after building / installing the opencv libs you have to add the location of the opencv dlls to the, PATH env variable, s

2020-09-19 02:05:38 -0500 commented question I find no "opencv_world*.lib files on OpenCV4.3

I recently upgraded to OpenCV 4.3.0 what did you do, exactly ?

2020-09-18 05:00:52 -0500 edited question Error org.opencv.dnn.Dnn.readNetFromCaffe

Error org.opencv.dnn.Dnn.readNetFromCaffe_0(Ljava/lang/String;Ljava/lang/String;)J Im using netbeans,, this my source c

2020-09-18 02:56:14 -0500 commented question Saving a Video with OpenCV from webcam without showing video on monitor

Yeah, please post your code on GitHub here..

2020-09-18 02:52:55 -0500 commented question Edge detection of foot in picture

@AlexisAlexis please do not post answers here, if you have a question or a comment, thank you . (and the answer is obvi

2020-09-18 01:32:20 -0500 edited question Distinguish head of bolt and its thread

Distinguish head of bolt and its thread Hello. Im working on a project where i want to identify different kind of bolts.

2020-09-16 12:49:24 -0500 received badge  Nice Answer (source)
2020-09-16 08:29:05 -0500 commented answer build OpenCV4: add preprocessor definition "CV_DETECTORS_CHESSBOARD_DEBUG"

apologies, i did not see that coming. indeed, the code is compiled as part of the calib3d library, and at this stage, t

2020-09-16 03:44:38 -0500 edited answer build OpenCV4: add preprocessor definition "CV_DETECTORS_CHESSBOARD_DEBUG"

you should probably uncomment it here (and rebuild) , instead of messng with the cmake / VS settings

2020-09-16 03:43:45 -0500 answered a question build OpenCV4: add preprocessor definition "CV_DETECTORS_CHESSBOARD_DEBUG"

you should probably uncomment it here , instead of messng with the cmake / VS

2020-09-16 03:34:37 -0500 commented question build OpenCV4: add preprocessor definition "CV_DETECTORS_CHESSBOARD_DEBUG"

can you get us the complete error messages, please ? and I add preprocessor definition "CV_DETECTORS_CHESSBOARD_DEBU

2020-09-16 03:33:26 -0500 commented question build OpenCV4: add preprocessor definition "CV_DETECTORS_CHESSBOARD_DEBUG"

can you get us the complete error messages, please ?

2020-09-16 01:05:02 -0500 commented question HoughCircles call ignores radius parameters (C++; OpenCV 2.4.13)

unfortunately, the 2.x opencv versions are no more maintained

2020-09-16 00:53:10 -0500 commented question OpenCV detector is missing, how can I get it?

which opencv version is it ? try a: cv2.__version__ (apt often schlepps in outdated stuffi)

2020-09-16 00:52:32 -0500 commented question OpenCV detector is missing, how can I get it?

which opencv version is it ? (apt often schlepps in outdated stuffi)

2020-09-16 00:51:07 -0500 commented question OpenCV detector is missing, how can I get it?

which opencv version is it ?

2020-09-15 07:40:43 -0500 commented question How many IP cameras can openCV handle for real time processing?

And what kind of hardware support does this project need? like, 10 boxes more ?

2020-09-15 07:39:30 -0500 commented question Linking CXX shared library jni\arm64-v8a\libopencv_java4.so

please no screenshots of code or errormsgs here, those are all useless (can't be quoted from, indexed for search, etc.)

2020-09-15 07:36:50 -0500 commented question Linking CXX shared library jni\arm64-v8a\libopencv_java4.so

please no screenshots of code or errormsgs here, those are all useless (can't be quoted from, indexed for search, etc.)

2020-09-15 02:00:20 -0500 answered a question OpenCV Video Masking

you can use the mask with a lot of opencv functions, e.g. dst = cv2.copyTo(src, mask) or dst = cv2.bitwise_or(src,s

2020-09-15 01:42:40 -0500 commented question unspecified error & Process finished with exit code 0

sorry, but we cannot help you configuring your ide, this is entirely off-topic.

2020-09-15 01:35:15 -0500 answered a question OpenCV GPU without compiling ?

you won'r get any gpu support using prebuilt binaries from any package manager. you'll have to install the CUDA sdk, ge

2020-09-14 04:44:33 -0500 commented answer Convert Images (cv::Mat)

you probably did NOT want to "normalize", but just "scale" it. to get from 16bit unsigned to 8bit you'd use: Mat img8;

2020-09-14 03:27:10 -0500 commented question Error 6586736 in opencv.js

we can't help, without seing your code, and an explanation, what you are trying to do there ;(

2020-09-14 02:19:42 -0500 answered a question Where to find opencv_createsamples.exe in windows

the cascade training tools were removed from the 4.x branches (c-api dependancy) you would need to rebuild the opencv 3