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2015-08-18 07:40:26 -0600 | asked a question | Detect if a video is wrongly rotated Dear everyone, I have to develop a software which detect when a video is wrongly rotated (for example this one https://youtu.be/F4zqCHfzudw?t=25s) We cannot assume things like there are/aren't people or there is/is not sky... I have been thinking about how to address this issue:
I am quite stuck in this task... Could give me your opinion to try to find the way to address this ? Thank you so much! |
2015-03-04 04:59:21 -0600 | commented answer | Create CMake file from Visual Studio Project I have achieve create the makeFile. It's working properly in Windows. I execute cmake and from the code files it create the visual studio project properly and it works fine. BUT when I try to execute the make command in LINUX I get errors :S: *In function ..... error: 'infinity' des not name a type const auto.... *.... error: 'infinity' was not declared in this scope *.... error: 'infinity' was not declared in this scope *.... error: 'infinity' was not declared in this scope The line where is the problem is this one: It's a line from this project: https://github.com/soimy/munkres-open... I think the problem is defining a infinity limit... Could anyone lead me to solve this problem? THANKS!!! |
2015-03-03 04:06:45 -0600 | commented answer | Create CMake file from Visual Studio Project Thanks for your answer. It was usefull but I have a problem Vimba libraries doesn't work with find_package.... I have code files, and libraries (dll, lib). How can write the proper lines for include this vimba libraries?? THANKS!!! |
2015-03-02 09:23:35 -0600 | asked a question | Create CMake file from Visual Studio Project I have finished a project developed in Visual Studio 2013 (Windows) using OpenCV. Now, my manager told me he needs the code files and the CMAKE file. I'm reading this documents: but I don't understand properly and I don't know if they are what I need... I can explain a little bit more my project: My project has:
I have never worked with CMAKE files... Could anyone lead me about how create this file/s?? I'm really missed... THANKS in advance!!! Any help is welcome! |
2015-02-25 04:34:10 -0600 | commented answer | Calculate weight of a cluster in Opencv OK Thank you everyone helped me! I finally implemented recalling the train function using the LABELS modified how input. THANKS |
2015-02-25 03:24:33 -0600 | commented answer | Calculate weight of a cluster in Opencv OK, thank you for your explanations. But I have a doubt... If I use how input a cloud of points (particles x, y) ... What determines the weight of the clusters??
THANKS!!! |
2015-02-25 03:23:49 -0600 | answered a question | Calculate weight of a cluster in Opencv OK, thank you for your explanations. But I have a doubt... If I use how input a cloud of points (particles x, y) ... What determines the weight of the clusters?? - Dense cluster -> high weight? - No dense cluster -> low weight? THANKS!!! |
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2015-02-23 07:14:57 -0600 | commented answer | Calculate weight of a cluster in Opencv I think we aren't understanding properly. I have some particles with this values: position (x,y) and label(empty before execute the EM). At this moment I execute the trainE using like INPUT only the position (x,y). And I get (output):
At this moment we have the particles with its new labels. Now I CHANGE some labels based in others things.... And I want get the weights of these modified clusters! How could I achieve these new weights?? THANKS in advance and thanks for your patience!! |
2015-02-23 07:14:33 -0600 | answered a question | Calculate weight of a cluster in Opencv I think we aren't understanding properly. I have some particles with this values: position (x,y) and label(empty before execute the EM). At this moment I execute the trainE using like INPUT only the position (x,y). And I get (output):
At this moment we have the particles with its new labels. Now I CHANGE some labels based in others things.... And I want get the weights of these modified clusters! How could I achieve these new weights?? THANKS in advance and thanks for your patience!! |
2015-02-23 06:14:49 -0600 | commented answer | Calculate weight of a cluster in Opencv But the labels aren't a input of the clustering... I use positions (x,y) how input of the clustering I have "particles" like these:
I use like input: (x,y) I use like OUTPUT label for asign labels at each particle. Do you think I need restart trainE? With labels like input? because if I use the (x,y) (which have not been modified) I will get the same result.... I don't understand what is the meaning of the weight... is related with the distance between input and means of the clusters? THANKS for your HELP!!! |
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2015-02-23 03:29:00 -0600 | commented answer | Calculate weight of a cluster in Opencv Thank you for your answer! I think this one isn't the correct solution because... I currently do:
I hope someone could hit the mark! THANKS!! |
2015-02-20 08:06:03 -0600 | asked a question | Calculate weight of a cluster in Opencv Dear forum followers I have a issue which I don't know how deal with it. I'm developing a tracker (track people in videos) from a particle filter. I have particles along the image and I cluster them using EM (http://docs.opencv.org/modules/ml/doc...) in Opencv. After clustering, I can check the next values about the output clusters:
At this point everything is fine. After I modify some of this clusters and particles and the final step would be recalculate mean, weight and covariance. I calculcate these variables:
Extend information: I'm currently doing: - I call trainE - I modify things using these results like the labels... -And I want calculate the weight of the clusters; with the labels modified... I hope you can help me!!! Thank in advanced!!! |
2015-02-20 07:54:35 -0600 | commented answer | Calculate covariance in Opencv Exactly!!! We need to divide between number of rows -1!! You are a genius!!! |
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2015-02-20 07:12:36 -0600 | asked a question | Calculate covariance in Opencv Dear forum followers I have a issue which I don't know how solve it. I have a Mat like: And I need calculate the covariance. The result would be something like: Of course, the function which I need is calcCovarMatrix.... BUT if I execute these code: Another question: If I have a set of clusters could I get the weight of these clusters like Expectation Maximization does it. How?: (http://docs.opencv.org/modules/ml/doc...) I hope you can help my with my problem!! Thank you in advanced! |
2015-01-21 07:30:21 -0600 | asked a question | Calculate mode in OpenCV Hi guys, Do you know how is the best and simply way to calculate the mode of a matrix?? For example in this matrix: [1 1 2 2 3 3 3 3] The mode is 3... How can I calculate it? THANKS!!!! |
2015-01-12 05:21:36 -0600 | commented question | Fill a std::vector with cv:Mat's PERFECT!!! I LOVE YOU!! :) |
2015-01-12 05:13:01 -0600 | asked a question | Fill a std::vector with cv:Mat's Hi guys! I need your help, I hope you can help me. I've created a struct: And I have a problem filling the "covs". I reserve memory like I show below but... how can I copy a Mat inside the vector of mats?? THANK YOU!!!!!!!!!!!!!!!!!! |
2014-11-13 03:38:22 -0600 | commented answer | Stack around the variable Opencv & C++ Another problem :'(... If I don't release (delete) the memory dinamically allocated --> work fine.. If I use delete idx --> CRASH: "HEAP CORRUPTION DETECTED: after normal block. CRT detected that the application wrote to memory after end of heap buffer"... What you recommended me to do? THANKS YOU! |
2014-11-12 03:14:57 -0600 | answered a question | Stack around the variable Opencv & C++ Finally I could solve the problem. I needed declare dinamically the int: Now it's working propertly! |
2014-11-11 06:22:34 -0600 | commented question | Stack around the variable Opencv & C++ How can I share my code with you? I;m going crazy... I can;t found the error!! THANKS YOU FOR YOUR HELP!! |
2014-11-07 06:19:19 -0600 | commented question | Stack around the variable Opencv & C++ Thanks you very much for your answer!! The error appear when the program finish this function... Then the problem could is in everywhere in THIS function, no? This code (complete code) is working properly in a Mac... I don't understand why it fail in Windows (VS2013)... Thanks you!! |
2014-11-07 04:45:36 -0600 | asked a question | Stack around the variable Opencv & C++ Hi! I'm working in a project with particle filter. This is a snippet of my code. When the program is executing, when leave this function VS2013 tell me a error: "Run-Time Check Failure #2 - Stack around the variable 'idx' was corrupted." Do you want any idea what is the problem?? Thanks you! PS: additional info. If I execute the program in release mode it problem disappear... |
2014-11-03 05:05:34 -0600 | commented question | Change settings Prosilica camera Vimba C++ I know it... but the VIMBA SDK documentation is very bad!! I did it!... res = m_pCamera->GetFeatureByName( "ExposureTimeAbs", featPtr ); featPtr->SetValue(EXPOSURE ); |
2014-11-03 04:26:25 -0600 | asked a question | Change settings Prosilica camera Vimba C++ Good morning everyone! Currently I have working a prosilica ethernet camera (GC1020C) with API vimba in VS2010. I catch a frame, process it and iterate it. I want change some camera settings. For example I want change the EXPOSURE TIME. Someone can help me with this task!?? I can't find a good documentation about this things... THANKS YOU VERY MUCH!!! |
2014-10-29 04:37:25 -0600 | commented question | Change resolution Prosilica Camera OpenCV If I try change the resolution in "AVT Vimba Viewer" and change the actual resolution (the max: 1024 x 768) to another, for example 640x480 the software dont resize the image... the software CROP the image!! Is it normal? :S I will want know how affect each parameter to the algorithm:
THANKS YOU!! |