threshold Questions
2
Solved
I have a multi-line graph that displays percent increase over time. I'd like to set a threshold in my code to have an upper and lower bound. If the line falls outside these bounds, I'd like that sp...
2
I'm currently making a recognition program using various feature extractor and various matcher. Using the score from the matcher, I want to create a score threshold which can further determine if i...
Syndesis asked 15/4, 2017 at 7:23
4
Solved
I am working with thermal requirements for crop growth. I have a table which contains cumulative temperature for a 6-month time period. Sample seen below:
date temp cum_temp
1: 2020-03-01 9.33974...
Gooseneck asked 29/8, 2023 at 18:8
4
Solved
I'd like to extract my pylint rating and set a threshold. Let me explain, for example, if the score is under 5, I want exit 1; And if my code is rated higher than 5, I want exit 0 and continue my J...
2
Solved
I need to filter an array to remove the elements that are lower than a certain threshold. My current code is like this:
threshold = 5
a = numpy.array(range(10)) # testing data
b = numpy.array(filte...
2
How to set threshold value for ConsoleAppender in new log4j2 using xml file.
Usually we do it in log4j 1.x in the below way.
Ref link:
Log4j - priority value and param name concept explanation
H...
5
There is any method/function in the python wrapper of Opencv that finds black areas in a binary image? (like regionprops in Matlab)
Up to now I load my source image, transform it into a binary imag...
1
Solved
As I learned that once you have set rootMargin:"0px", it means that the effect will be produced when the element you have selected has been completed visible on screen and have 0px of mar...
Miter asked 27/9, 2020 at 12:30
2
Solved
I have a data set that contains 2 variables x = event number & y = assay amplitude. I am trying to create a scatterplot in ggplot2 where all of the points that are > 3000 are colored in one ...
Summers asked 5/4, 2014 at 21:19
3
What's the threshold value of binary_accuracy in keras Metrices is used to predicted one sample as positive and negative cases? is that threshold value 0.5? how to adjust it? I want to set the thre...
Faison asked 14/1, 2017 at 14:22
3
Solved
I'm using this tutorial
http://pythonvision.org/basic-tutorial
However when I pass a png image:
T = mahotas.thresholding.otsu(dna)
I get an error:
TypeError: mahotas.otsu: This function only...
1
Solved
I have a pandas dataframe and want to delete 90% of data which satisfies condition.
The condition is very simple. If the value of the column "Parameter1" is greater than a threshold, then delete i...
2
Solved
I am new to Python and I am trying to do the tutorial, shown on the official page. My goal is, to analyze a picture I've created, using the Local Otsu Threshold method.
The code with an example pi...
Blacktail asked 29/2, 2016 at 10:29
3
I'm writing an app that involves writing on the screen using one's finger, or eventually a stylus. I have that part working. On ACTION_DOWN, starts drawing; on ACTION_MOVE, adds line segments; on A...
Oquendo asked 22/7, 2011 at 2:27
1
Solved
I'm building a classifier that goes through lending club data, and selects the best X loans. I've trained a Random Forest, and created the usual ROC curves, Confusion Matrices, etc.
The confusion ...
Entrammel asked 17/9, 2015 at 10:18
1
I have a Jenkins job to copy some test reports(XML) to local and convert them to JUnit reports via xUnit.
The issue is that there are no failed or skipped tests, but I always get
[xUnit] [INFO] ...
2
Solved
I trained an ExtraTreesClassifier (gini index) using scikit-learn and it suits my needs fairly. Not so good accuracy, but using a 10-fold cross validation, AUC is 0.95. I would like to use this cla...
Colporteur asked 26/1, 2017 at 0:19
5
Solved
I have the following data:
userid itemid
1 1
1 1
1 3
1 4
2 1
2 2
2 3
I want to drop userIDs who has viewed the same itemID more than or equal to twice.
For example, userid=1 has viewed i...
Sabbath asked 1/5, 2017 at 3:3
3
Solved
I was using a fixed threshold but turns out that it's not so good for me. Then, someone told me about the otsu threshold. How can I use it in my code?
I read about it and I don't understand very we...
1
i've computed an Otsu's thresholding for a kinect depth image and now i want point out the optimal thresholding value on the histogram, using for example axvline with pyplot in opencv2.
I'm a begi...
Ironwork asked 14/5, 2015 at 16:52
2
Solved
In OpenCV (C++) I have a b&w image where some shapes appear filled with white (255). Knowing this, how can I get the coordinate points in the image where theses objects are? I'm interested on g...
2
Im trying to do the following in OpenCV. How can I set every pixel of a Mat to a certain value, if it´s lower than a value?
So I want to do something like the threshold, but not quite, as I don't...
2
Solved
I have to develop the same functionality as of this Pedometer App
I have observed this Pedometer app in very high detail.
It's not a perfect pedometer app. For example, if you stay/sit at one pla...
Putamen asked 29/11, 2011 at 11:54
5
Solved
What is a fast and reliable way to threshold images with possible blurring and non-uniform brightness?
Example (blurring but uniform brightness):
Because the image is not guaranteed to have uni...
Paleozoology asked 22/3, 2013 at 2:46
4
Solved
With HighCharts 3.0, it is now possible to indicate to colors above and below one threshold. Like this example :
http://jsfiddle.net/highcharts/YWVHx/
Following code :
$(function () {
$.getJSON...
Tartaric asked 4/6, 2013 at 20:28
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