Top "Filtering" questions

Remove spurious small islands of noise in an image - Python OpenCV

I am trying to get rid of background noise from some of my images. This is the unfiltered image. To …

python image opencv image-processing filtering

How to filter/smooth with SciPy/Numpy?

I am trying to filter/smooth signal obtained from a pressure transducer of sampling frequency 50 kHz. A sample signal is …

python numpy scipy filtering smoothing

CollectionViewSource, how to filter data?

I am binding a ComboBox to Entities but I want the data filtered. Up to now I have tried two …

c# binding filtering collectionviewsource

Is it possible to filter angular.js by containment in another array?

So if I have an array: $scope.letters = [{"id":"a"}, {"id":"b"}, {"id":"c"}]; And another array $scope.filterBy = ["b","…

arrays angularjs filtering

How to apply filter to DataView with Multiple "AND" conditions

I have a DataTable containing the some rows. Which is copied to DataView. Now I have IDs in form of …

c# asp.net filtering dataview rowfilter

How do I filter a pandas DataFrame based on value counts?

I'm working in Python with a pandas DataFrame of video games, each with a genre. I'm trying to remove any …

python pandas filtering dataframe

Exclude list items that contain values from another list

There are two lists: List<string> excluded = new List<string>() { ".pdf", ".jpg" }; List<string> …

c# .net linq filtering

Filtering array of objects with arrays based on nested value

I am trying to filter an array, based on some nested object. I prepared some Fiddle Input array looks like …

javascript filtering

Extract lines matching a pattern from all text files in a folder to a single output file

I am trying to extract each line starting with "%%" in all files in a folder and then copy those lines …

powershell foreach filtering get-childitem select-string

Filter a String

I want to make sure a string has only characters in this range [a-z] && [A-Z] && [0-9] &…

c# string filtering