The scale-space tag has no wiki summary.
2
votes
1answer
130 views
Scalogram (and related nomenclatures) for DWT?
My understanding of the scalogram is that, for a particular row, the scores of the projection of the input signal with the wavelet at a particular displacement is shown. Across rows, the same thing ...
1
vote
0answers
38 views
Sample keypoint found in multi-scale to one scale (scale space with O octaves)
For a multi-scale keypoints detector, local extremas are found between the scales at EACH octave.
The scale-space is implemented as follows:
Each octave is downsampled by half from the first image in ...
2
votes
1answer
166 views
Approximating pixel location in scale space
I'm implementing a scale-space with o octaves and s scale levels in each octave.
Each octave is half the size the previous.
I have keypoints found in each octave, I need to approximate the real ...
5
votes
2answers
213 views
Function for response over image scales
I want to write code in matlab to find a characteristic scale of an image patch.
I have an image patch X, I need to maximize function F(X,sigma) so that sigma is ...
6
votes
1answer
213 views
The scale-space theory understanding
In the scale-space theory the scale-space representation of the signal $f(x), x = (x_1, ..., x_d)$, (in case of image $d = 2$) is given as:
$L(x, y; t) = g(x, y; t) * f(x, y)$ where $g(x, y; t)$ is a ...
