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2019-08-20 07:37:10 -0500 edited question Not able to identify the images correctly

Not able to identify the images correctly Hi team, I have created haar cascade xml file with some training images. But

2019-08-20 04:53:49 -0500 commented question How to handle images effectively in OpenCV

Spamer https://www.stopforumspam.com/domain/bcaoo.com and same technics used here https://answers.opencv.org/question/21

2019-08-20 03:01:36 -0500 edited answer Difficulty stitching with CUDA

I don't thnk that's possible using stitcher class (something is wrong in doc). If you want to use CUDA for stitching you

2019-08-20 03:01:19 -0500 edited answer Difficulty stitching with CUDA

I don't thnk that's possible using stitcher class (something is wrong in doc). If you want to use CUDA for stitching you

2019-08-20 03:00:04 -0500 answered a question Difficulty stitching with CUDA

I don't thnk that's possible using stitcher class. If you want to use CUDA for stitching you mist compile opencv with CU

2019-08-20 02:48:08 -0500 edited question Difficulty stitching with CUDA

Difficulty stitching with CUDA A stitching with CUDA did not work. <enviroment> OpenCV4.1.1, OpenCV_Contribute4.1

2019-08-18 16:08:49 -0500 commented question Mask and image

use copyTo with a red image (opencv4)

2019-08-18 16:05:42 -0500 commented question Mask and image

use copyTo with a red image

2019-08-18 15:19:58 -0500 commented question Trying to Install OpenCV with CMake on Raspberry Pi 3+

disable ts module -DBUILD_opencv_ts:BOOL=OFF

2019-08-18 15:18:10 -0500 commented question Trying to Install OpenCV with CMake on Raspberry Pi 3+

disable ts module

2019-08-18 11:48:54 -0500 commented question Difficulty building OpenCV with MinGW

Please insert in your post all messages as text

2019-08-18 11:48:06 -0500 edited question Difficulty building OpenCV with MinGW

Difficulty building OpenCV with MinGW I'm trying to build OpenCV 4.1.1 with MinGW32 from the source (in Windows 10 and f

2019-08-18 09:03:11 -0500 commented question Problem about compiled In Opencv 4

spamer ? https://answers.opencv.org/question/215724/opencv-40-android-ndk-with-neon-why-and-why-not/

2019-08-18 09:01:13 -0500 edited question Problem about compiled In Opencv 4

Problem about compiled In Opencv 4 Hi guys, I am using Opencv and have a question to ask your opinion. I am using the Op

2019-08-18 08:42:59 -0500 commented question Any functions like numpy.polyfit in OpenCV?

you can use https://answers.opencv.org/question/66125/object-detection-in-nonuniform-illumination/#79578 second answer

2019-08-18 08:41:33 -0500 commented question Any functions like numpy.polyfit in OpenCV?

you can use https://answers.opencv.org/question/66125/object-detection-in-nonuniform-illumination/#79578 second answer

2019-08-18 08:40:47 -0500 commented question Any functions like numpy.polyfit in OpenCV?

you can use https://answers.opencv.org/question/66125/object-detection-in-nonuniform-illumination/#79578

2019-08-09 14:15:31 -0500 commented question Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

You can try something like this. I know it's window. but with git bash it's easy to adapt in linux

2019-08-09 14:14:36 -0500 commented question Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

You can try something like this. I know it's window. but whith git bash it's easy to adapt in linux

2019-08-09 11:58:04 -0500 commented question Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

opencv_contrib path is wrong? in my cmakeoutput I have got this: -- -- General configuration for OpenCV 4.1.1-dev =====

2019-08-09 09:11:58 -0500 edited answer Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

remove all spaces between -D OPENCV_... delete cmakecahe.txt see readme.md https://github.com/opencv/opencv_contrib

2019-08-09 09:02:33 -0500 edited question Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4 Hi, I am on Ubuntu 16.04 (clean install) following this tutorial

2019-08-09 09:01:27 -0500 answered a question Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

remove space between -D OPENCV_... see readme.md https://github.com/opencv/opencv_contrib

2019-08-09 08:58:26 -0500 commented question Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

please remove screen shot ans insert cmake output as text in post

2019-08-09 08:57:48 -0500 commented question Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4

please remove screen shot

2019-08-08 12:42:21 -0500 commented question Implement and train YOLO 3 with Opencv and C++

I think it's here

2019-08-08 04:42:26 -0500 commented question opencv imwrite unable to save images >40MP

Problem is not imwritte try : Mat img=Mat::zeros(1400,1400,CV_8UC4); imwrite("C:\\Users\\Watts\\Pictures\\alpha.png", i

2019-08-08 04:01:38 -0500 commented question opencv imwrite unable to save images >40MP

default size limit is 2^30 (CV_IO_MAX_IMAGE_PIXELS system variable)

2019-08-08 03:02:24 -0500 commented question opencv imwrite unable to save images >40MP

size limit is 2^30 (CV_IO_MAX_IMAGE_PIXELS system variable)

2019-08-07 09:43:40 -0500 edited answer Undesired Hierarchy Result

You must find : hierarchy[i][2] == -1 && hierarchy[i][3]!=-1 then check contour length for id = hierarchy[i][3]

2019-08-07 09:42:35 -0500 commented answer Undesired Hierarchy Result

With method given contours found are 118 and 28. red one is 118 (using image in post)

2019-08-07 09:08:47 -0500 answered a question Undesired Hierarchy Result

You must find : hierarchy[i][2] == -1 && hierarchy[i][3]!=-1 then check contour length for id = hierarchy[i][3]

2019-08-07 07:46:53 -0500 commented question Undesired Hierarchy Result

Please post original image without red circle in png format. What is your opencv version?

2019-08-07 03:30:13 -0500 commented question how to solve problem of low fps in OpenCV

That's not error. Do you use debug configuration ? What does it mean low fps? Image size ? pc configuration.?

2019-08-07 03:25:49 -0500 commented question Undesired Hierarchy Result

Please post original imag without red circle in png format. What is your opencv version?

2019-08-06 03:31:23 -0500 commented answer Cannot setup opencv 4.1.1 with vs2017

An alternative answer is : use cmake

2019-08-05 03:03:59 -0500 commented question more accuracy getAffineTransform()

I think your question is off topics. Here it's an opencv forum. You should read this. As @witek wrote may be problem is

2019-08-03 10:50:32 -0500 commented question Conversion of python Color quantization function to C#

Sorry but there is no C# on this forum. try here

2019-08-02 04:19:16 -0500 commented question more accuracy getAffineTransform()

I don't understand float64 = 15 digits. with 1e6 km (7 digits) precision is micrometer. With modern GPS when you get 10c

2019-08-02 03:20:59 -0500 commented question Finger segmentation in fingerphoto

you can use openpose

2019-08-01 06:28:13 -0500 commented answer How to load CV2.ml_Knearest pre-trained classifier back into Python memory?

sorry I push in april 17 and lastest version april 11 Wait for next release

2019-08-01 06:08:22 -0500 commented question opencv dnn tensorflow net.forward shape

please edit your post and insert your code as text

2019-08-01 06:00:46 -0500 answered a question How could do sharpness images?

You can try detailEnhance

2019-08-01 05:58:50 -0500 commented question opencv dnn tensorflow net.forward shape

please edit your post and insert your code as txt

2019-08-01 05:54:05 -0500 edited answer How to load CV2.ml_Knearest pre-trained classifier back into Python memory?

You must use cv.ml.KNearest_load opencv 4.1.1

2019-08-01 05:53:38 -0500 answered a question How to load CV2.ml_Knearest pre-trained classifier back into Python memory?

You must use cv.ml.KNearest_load

2019-07-30 03:01:27 -0500 commented question is dnn module possible to get specific outputs from multiple layers in one forwarding?

read this answer https://answers.opencv.org/question/216060/access-output-of-a-caffe-slice-layer/

2019-07-28 15:21:26 -0500 commented answer How facemarkLBF work?

in green cascade classifier and in yellow res10_300x300_ssd_iter_140000 facemark are differents but the logic is good :

2019-07-28 15:19:32 -0500 commented answer How facemarkLBF work?

in green cascade classifier and green res10_300x300_ssd_iter_140000 facemark are differents but the logic is good :

2019-07-27 15:06:33 -0500 commented answer How facemarkLBF work?

@phillity In facemarkLBF cascade classifier is used to detect face. When res10_300x300_ssd_iter_140000 is used to detect