Questions tagged [feature-detection]
The feature-detection tag has no usage guidance.
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0answers
13 views
Is there any way to do 3D (Voxel Data) feature detection?
In the 2D image processing, there are ways to find and match features of the image (like corner of the edges). However, I could not find the equivalent of that in the 3D-voxel data (Here voxel means a ...
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2answers
60 views
Scratch Detection On Noisy Textured Surface
I wish to extract long thin scratches from the noisy background image.I have tried several ways such as stacking smoothed image with input image to remove some of the noisy background patch before ...
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1answer
57 views
How to make series circle shift invariant
I have a series of numbers. They may be integer, floating, or ...
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0answers
98 views
Determine DoG (Difference of Gaussians) extrema from multiple octaves in a scale space
I am attempting to program SIFT in C++ without any libraries(bad idea, should have used matlab). So far, I have computed extrema points from 2 DoG images per octave of a scale space consisting of 5 ...
2
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2answers
338 views
How to extract features of individual spikes in non-negative signal?
I have data of non-negative (in the sense there's no signal below baseline) spiking waveforms, which are in the form of a 1D array of numbers:
Spikes that cross some threshold are considered real ...
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0answers
35 views
Texture detection
I am looking for good methods, preferably parameterless, to detect textured areas in an image. I mean random textures, not regular patterns. The final goal is to discriminate between significant edges ...
