Top "Threshold" questions

The starting point for a new state.

How to count steps using an Accelerometer?

I have to develop the same functionality as of this Pedometer App I have observed this Pedometer app in very …

iphone ios accelerometer motion-detection threshold
Fast image thresholding

What is a fast and reliable way to threshold images with possible blurring and non-uniform brightness? Example (blurring but uniform …

opencv image-processing threshold
OpenCV threshold with mask

I'm trying to use OpenCV's cv::threshold function (more specific THRESH_OTSU), only that I'd like to do it with …

c++ opencv polygon threshold
How to set a threshold for a sklearn classifier based on ROC results?

I trained an ExtraTreesClassifier (gini index) using scikit-learn and it suits my needs fairly. Not so good accuracy, but using …

python scikit-learn classification threshold roc
Get coordinates of white pixels (OpenCV)

In OpenCV (C++) I have a b&w image where some shapes appear filled with white (255). Knowing this, how …

c++ opencv matrix threshold
Load custom image from file system in scikit-image

I am new to Python and I am trying to do the tutorial, shown on the official page. My goal …

python image filesystems threshold scikit-image
How to I use PIL Image.point(table) method to apply a threshold to a 256 gray image?

I have 8-bit greyscale TIFF images that I want to convert to Monochrome using a 75% white (decimal 190) threshold. In the …

python python-imaging-library threshold
Fast RGB Thresholding in Python (possibly some smart OpenCV code?)

I need to do some fast thresholding of a large amount of images, with a specific range for each of …

python opencv rgb threshold
vertical line in histogram with pyplot

i've computed an Otsu's thresholding for a kinect depth image and now i want point out the optimal thresholding value …

python-2.7 matplotlib histogram threshold
Android ACTION_MOVE Threshold

I'm writing an app that involves writing on the screen using one's finger, or eventually a stylus. I have that …

android touch move ontouchlistener threshold