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2017-04-08 08:36:45 -0600 | commented answer | Mirror Image on Android Front Camera the link is not working, please can someone post some code ?? |
2017-04-08 08:35:16 -0600 | asked a question | Opencv android camera issue Hello, i have used the opencv camera simple !! it work without any error but i get a strange behaviour !! i want to get the portrait view but it seems that i get a mirror effect when i get the rgba Mat from the input frame!! please any suggestion to avoid this problem!!. Thank you Lafi |
2017-03-20 08:16:21 -0600 | commented question | Opencv Face Detection Assign id for each face please can you provide an example in python?? it will be very helpfullll!! thank you |
2017-03-19 13:59:38 -0600 | asked a question | Opencv Face Detection Assign id for each face Hello, I'm using Opencv for face detection from video stream but my problem is how to assign an id for each detected face? for example if in the current frame i have detected 3 faces so i have 3 unique id for each faces, now in the next frame if i have 4 detected faces then i need an other id to assign it to the new face!!! how i can assign a unique id for each faces? also how i can preserve the same id for each face and assign a new id for the new detected face? Thank you Lafi |
2017-03-16 10:12:41 -0600 | commented question | rtsp stream error video capture i'm using ubuntu 16 !!! also my pyhton code look like the cide given in the link!!! |
2017-03-16 08:33:38 -0600 | asked a question | rtsp stream error video capture Hello, i'm using opencv3.1 with python2.7 in ubuntu 16 to stream a video using Videocapture, but i got corrputed frame also i have those message when i run my pyhton script : what that dos mean!! Thank you Lafi |
2017-03-13 13:24:18 -0600 | commented question | use caffe model for face detection with opencv no there a prebuild caffe model for face detection here it's the link!!!!!! https://github.com/LouieYang/AgeAndGenderEstimation (https://github.com/LouieYang/AgeAndGe...) it's have 3 model for face detection, gender estimation and age estimation!!! |
2017-03-13 07:13:26 -0600 | commented question | use caffe model for face detection with opencv Hello, can use it with the dnn module that come with opencv?? |
2017-03-12 11:31:37 -0600 | asked a question | use caffe model for face detection with opencv Hello , i want to use the a pratrained caffe model for face detection with opencv !!! i know there is dnn for loading caffe model, but how i can draw a rectangle for each detected face!!! how i can get the output !!! i saw the example in opencv tutorial in how to load a model and do a classification!! but i want to do face detection THank you Lafi |
2017-03-03 12:55:23 -0600 | asked a question | Object Extraction from Background Hello, i'm working on a project for extracting objets from background : the input i have is an image for the background and a second image for those object in the same background those 2 images are take with the same camera but not with the same position(the positio of the camera could be a little differente) i have subtract those two images(background_image - second image) , it didnt' give an accurate result due to : that i need to align those 2 images first(rotation, translatio, scale..) also there is athe shadow problem !!! How i can fix it?? any solution and suggestion please? here is a simple images : background image : second image with objects : result image(subtraction ) : Thank you Lafi |
2016-12-24 07:58:44 -0600 | asked a question | why my rectified image is like this Hello, i have run the stereo calib simple and it have detected 80 pairs with an error equal to 0.5 but it give me a rectified image like this : Please can anyone tell me what is the problem? |
2016-12-21 15:19:09 -0600 | asked a question | Runing stereo match simple Hello, i have problem runing the opencv stereo_match simple i have type in the terminal the following commande ./stereo_match 0000L.png 0000R.png -i intrinsics.yml -e extrinsics.yml -p cloud.asc and here is the output : Command-line parameter error: The max disparity (--maxdisparity=<...>) must be a positive integer divisible by 16 Demo stereo matching converting L and R images into disparity and point clouds Usage: stereo_match <left_image> <right_image> [--algorithm=bm|sgbm|hh|sgbm3way] [--blocksize=<block_size>] [--max-disparity=<max_disparity>] [--scale=scale_factor>] [-i=<intrinsic_filename>] [-e=<extrinsic_filename>] [--no-display] [-o=<disparity_image>] [-p=<point_cloud_file>] How to choose run it with the correct argument? also how to choose the value for blocksize, -max-disparity , scale Thank you |
2016-12-21 09:48:28 -0600 | received badge | ● Editor (source) |
2016-12-21 09:41:09 -0600 | asked a question | Stereo Calibration RMS and epipolar error Hello, i have run the opencv stereo_calib simple for my images , the program found 8 pairs and show me : ...........8 pairs have been successfully detected. Running stereo calibration ... done with RMS error=39.3507 average epipolar err = 67.3832 i want to ask about error value is that good for reconstrcution or not? if not please how i can reduce the error Thank you |
2016-12-21 06:15:17 -0600 | commented answer | 3d reconstrcution from stereo cam thank you for your suggestion , please can you help me how to run it , it need those arguments [--algorithm=bm|sgbm|hh|sgbm3way] [--blocksize=<block_size>]\n" "[--max-disparity=<max_disparity>] [--scale=scale_factor>] [-i=<intrinsic_filename>] [-e=<extrinsic_filename>]\n" "[--no-display] [-o=<disparity_image>] [-p=<point_cloud_file>]\n"); i have extrinsic, and intrinsic file but what about the other arguments? |
2016-12-20 17:00:52 -0600 | commented question | Face recognition using HuMoments The bif deescriptor can be used for face recogontion?? if yes please can you give me an example!! |
2016-12-20 16:32:11 -0600 | asked a question | 3d reconstrcution from stereo cam Hello, i have calibrated my stereo camera, now i have to build the 3d model but i can't find any example in opencv on howto do that . Please can you tell me first is opencv support to build3d and display the 3d model?? if yes can you give me an example , i use opencv 3. Thank you |
2016-12-18 20:40:24 -0600 | commented answer | Face recognition Opencv confidence problem Thank you, you save may day, |
2016-12-18 20:39:57 -0600 | received badge | ● Scholar (source) |
2016-12-18 19:58:26 -0600 | commented question | Face recognition using HuMoments okay, thank you @LBerger, also i want to know , i'm using face recognition provided by opencv but it give me a negative and a large value confidence , i dont understand why? i have tested the simple and followed it!! |
2016-12-18 18:29:58 -0600 | asked a question | Face recognition Opencv confidence problem i'm working on face recognition Project and i have followed the tutorial in the opencv website and i have use the same dataset , but when i test my program i have strange result (the confidence value) it gives me a large value((confidence = 621034879.) also it give me negative confidence when testing a sample from the same dataset . why the Confidence have such large value and have a negative value??? here is my code : ` include "opencv2/core/core.hpp" |
2016-12-18 12:59:41 -0600 | asked a question | Face recognition using HuMoments Hello, i'm asking if i can use HuMoment for face recongition , i know there''s an api for face recogntion but i want to know about huMoments. Thanks in advance. Lafi |
2016-07-04 18:11:06 -0600 | commented question | Leg Detection okay i want to make an app similar to this https://www.youtube.com/watch?v=jfGOI... so that's why i'm asking for leg detection |
2016-07-03 23:06:32 -0600 | asked a question | Leg Detection Hi i want to detect Human Leg. what is the best method for detecting Human Leg. Thank you |
2016-07-02 16:12:30 -0600 | commented question | track a ball moving in hight speed Yes i have checked the docupentation and don't find excellent solution, please could give an example |
2016-07-01 22:35:33 -0600 | received badge | ● Supporter (source) |
2016-07-01 18:20:18 -0600 | commented question | OpenCV3 Assertion failed on accumulateWeighted how i can correct it since i have to initialize the accumulator ?? |
2016-06-30 23:16:39 -0600 | asked a question | OpenCV3 Assertion failed on accumulateWeighted I try to make average background but something wrong because it way to crash app ` } ` This is the crash logs ::: |
2016-06-30 18:59:24 -0600 | asked a question | I want to detect a fast moving ball in a video using opencv I want to detect a fast moving ball in a video; I have tried using background subtraction. I can see the ball motion but I can't detect it as I have some other object moving (the spinning part on the middle) and they are so close!! How I can ignore those objects, and focus just in the ball while moving. here is the original video for the moving ball And a screen-shot for the output video after background subtraction Thank you |
2016-06-30 18:52:03 -0600 | received badge | ● Enthusiast |
2016-06-25 23:49:57 -0600 | commented question | track a ball moving in hight speed Hi, using background subtraction i'm able to extract the ball motion then i can track it, but the problem is i have other motion from the moving background !! any idea to remove it?? here is a link for a frame using background subtraction , the ball motion and the spinning part in the middle please how i can ignore it?? https://drive.google.com/file/d/0BxQp... |
2016-06-23 22:29:26 -0600 | commented question | track a ball moving in hight speed yes the camera is fixed, okay, can the bakcground subtraction give goos result while the ball is moving ? and please how i can ignore the spinning part in the middle as it's moving? and as for the n first frame the ball is in the middle!! |
2016-06-23 20:51:37 -0600 | commented question | track a ball moving in hight speed the problem is that i need to detect it when it's moving, i have tried template matching but didn't get the result i need !! is there any other solution for this problem? can i use descriptor ? if yes how ? |
2016-06-23 19:36:05 -0600 | commented question | track a ball moving in hight speed yes this a short video https://www.youtube.com/watch?v=WfwNg... |