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6
votes
1answer
115 views

Get 2d corner coordinates / layout using edge detection

I'm new to Mathematica but I found an interesting usage of it: I'm programming a 2D game, with a top-view, where I'd like to have the edge coordinates of the walls. EdgeDetection delivers me quite a ...
1
vote
1answer
75 views

Manipulate filters in arrayplot with graphical user interface

I have a set of images which need to be filtered by different filters. So I have made an interface in which the user can choose his or her filter. However I now want to manipulate the degree of the ...
0
votes
0answers
120 views

How can estimate the PSF function to deblur an image of plate licence of a car

I want to deblur a blurred image of a plate licence of a car. I need to deblured it. I have used the ImageDeconvolve[] function and Sharpen but the problem is still difficult because I need to ...
3
votes
1answer
120 views

Strange ImageFilter results

I am trying to perform some neighborhood analysis on an image, but ImageFilter seems to be interfering with the results outputted by the provided filtering function. Initialization Given the hue ...
2
votes
1answer
292 views

Data filtering using Butterworth filter

I want to filter data using Butterworth filter. I am currently using Matlab and I want to know how to do it in Mathematica. I have the following data: ...
4
votes
1answer
173 views

Butterworthfilter data filter

I am currently doing a signal analysis and filtering using Matlab. The filter I am using is Butterworthfilter model to filter scattered data (vector data). I am using Matlab as follows: ...
7
votes
1answer
501 views

Anti-aliasing a fractal-like bitmap image

I have a .bmp image 9600x5400 that shows a lot of points at various intensities. There are no lines inside this picture - only a lot of points. I would like to apply anti-aliasing on the image to make ...
1
vote
0answers
60 views

Dot shading a.k.a. Stippling effect [duplicate]

I am trying to convert grayscale images to black and white, where I hope to have certain artistic effect, called stippling: I have tried two methods; dithering (with ...
4
votes
0answers
621 views

computation of gradient vector field in 3D using GradientOrientationFilter

I want to compute a 3D gradient vector field of an Image3D object using the built-in GradientOrientationFilter function in Mathematica. From the documentation I ...
10
votes
2answers
313 views

How could I use Mathematica to remove finger tips that appear in images?

I used my photo camera to "scan" a heavy dictionary. I tried to have flat images by pressing the margins of the pages with my fingers. The color of the background is (normally) black and my fingers ...