c++ Programming Glossary: threshold

Algorithm improvement for Coca-Cola can shape recognition

http://stackoverflow.com/questions/10168686/algorithm-improvement-for-coca-cola-can-shape-recognition

and filtering based on red hue saturation above a certain threshold to avoid orange like colors and filtering of low value to avoid.. white pixels would represent the pixels that match this threshold. Obviously there is still a lot of crap in the image but this.. peak in the heat map as below. Once you have that a simple threshold based heuristic can give you the location of the center pixel..

OpenCv 2.3 C - How to isolate object inside image

http://stackoverflow.com/questions/10315551/opencv-2-3-c-how-to-isolate-object-inside-image

not black either. That's because I didn't performed any threshold method to binarize the image to black and white. The code below..

OpenCV C++/Obj-C: Advanced square detection

http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection

int ch c 0 mixChannels blurred 1 gray0 1 ch 1 try several threshold levels const int threshold_level 2 for int l 0 l threshold_level.. 1 gray0 1 ch 1 try several threshold levels const int threshold_level 2 for int l 0 l threshold_level l Use Canny instead of.. threshold levels const int threshold_level 2 for int l 0 l threshold_level l Use Canny instead of zero threshold level Canny helps..

Convert RGB to Black & White in OpenCV

http://stackoverflow.com/questions/1585535/convert-rgb-to-black-white-in-opencv

AFAIK you have to convert it to grayscale and then threshold it to binary. 1. Read the image as a grayscale image If you're.. CV_RGB2GRAY 3. Convert to binary You can use adaptive thresholding or fixed level thresholding to convert your grayscale image.. to binary You can use adaptive thresholding or fixed level thresholding to convert your grayscale image to a binary image. E.g. in..

Is C# really slower than say C++?

http://stackoverflow.com/questions/5326269/is-c-sharp-really-slower-than-say-c

interpreting particular code and when it exceeds a certain threshold figures it's likely to execute enough more that it's worth compiling..

Polymorphism in c++

http://stackoverflow.com/questions/5854581/polymorphism-in-c

anyway warranting a oh that reaction they impact the threshold in requiring and seamlessness in using the above mechanisms..

Square detection doesn't find squares

http://stackoverflow.com/questions/7731742/square-detection-doesnt-find-squares

were made but the main ones are Decrease the number of threshold levels to 2 . In the beginning of findSquares dilate the image.. c int ch c 0 mixChannels timg 1 gray0 1 ch 1 try several threshold levels for int l 0 l N l hack use Canny instead of zero threshold.. levels for int l 0 l N l hack use Canny instead of zero threshold level. Canny helps to catch squares with gradient shading if..

How to detect the Sun from the space sky in OpenCv?

http://stackoverflow.com/questions/8218997/how-to-detect-the-sun-from-the-space-sky-in-opencv

Color to Gray cvCvtColor image gray CV_RGB2GRAY color threshold cvThreshold gray gray 150 255 CV_THRESH_BINARY Morphologic open..

OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection

Need for predictable random generator

http://stackoverflow.com/questions/910215/need-for-predictable-random-generator

did this If it still seems fair or we haven't reached a threshold of minimum rolls it returns a fair hit based on the normal probability...