Search found 157 matches

by Creator
Thu Oct 29, 2009, 13:24
Forum: Tutorials
Topic: Making a Poster
Replies: 4
Views: 12725

Re: Making a Poster

Starting from version 1.0.30 the Graff has new valuable features. We shell use them in the new variation of poster creation. 1. After opening a photo, in the menu go to Filter->Other->High Pass . Chose the radius equal to 3 and press OK button. This will perform high pass filter, i.e. we get only hi...
by Creator
Tue Oct 27, 2009, 19:07
Forum: Image processing
Topic: Multigrid methods enchancement.
Replies: 3
Views: 11153

Re: Multigrid methods enchancement.

For the non-linear case we took another problem, but still based on Poisson equation: L[u(x,y)] = u(x,y) - f(x,y) , where L no is a non-linear operator. Again, we compare the performance of different cycles in milliseconds, using the fastest configuration for each cycle to achieve the accuracy less ...
by Creator
Mon Oct 26, 2009, 16:36
Forum: Image processing
Topic: Multigrid methods enchancement.
Replies: 3
Views: 11153

The cascadic multigrid method for elliptic problems

It looks like cascadic multigrid is very common to O-cycles.
by Creator
Sat Oct 17, 2009, 00:07
Forum: W.I.P.
Topic: Liquid resize
Replies: 4
Views: 16174

Re: Liquid resize

We have completed implementing Liquid Resize.
Here we have enlargement results:
t3org.jpg
Original image

t3big.jpg
Resized image
by Creator
Fri Oct 16, 2009, 16:45
Forum: W.I.P.
Topic: Visir px Release Candidates
Replies: 10
Views: 33707

Re: Visir px Release Candidates

The OpenCV library should be installed. We work now on supplementing the archive with all the necessary dll and lib files.
by Creator
Thu Oct 15, 2009, 16:13
Forum: Image processing
Topic: Multigrid methods enchancement.
Replies: 3
Views: 11153

Re: Multigrid methods enchancement.

- As we can see, the SID enchants the performance from 10% up to 70% depending on cycle used. - Using o-cycles gives a very good performance but yields to v-cycle performance. - O-cycles with SID were used in the article "Accurate Real-Time Disparity Estimation with Variational Method". L...
by Creator
Wed Oct 14, 2009, 17:07
Forum: Image processing
Topic: Multigrid methods enchancement.
Replies: 3
Views: 11153

Multigrid methods enchancement.

We continue our research on fast boundary problems solver. As was described in the article "Accurate Real-Time Disparity Estimation with Variational Method" , the multigrids methods are very efficient in that contest. In the same article we have offered a new kind of multigrid cycles - O-c...
by Creator
Tue Oct 13, 2009, 17:16
Forum: Support
Topic: Graff desaturation
Replies: 5
Views: 18978

Re: Graff desaturation

Currently we use the following desaturation algorithm: C = (R + G + B) / 3.
Before committing a bug, I suggest to discuss desaturation here.
by Creator
Tue Oct 06, 2009, 00:25
Forum: W.I.P.
Topic: Visir px Release Candidates
Replies: 10
Views: 33707

Re: Visir px Release Candidates

The work with cameras was corrected.
by Creator
Mon Oct 05, 2009, 16:03
Forum: W.I.P.
Topic: Poisson Equation
Replies: 0
Views: 13426

Poisson Equation

Currently I work on the new approach to multigrids methods for Poisson equation resolving. It continues my recent work, described in paper Accurate RT Disparity Estimation with Variational Metod . A pretty interesting result, that I would like to publish here is the residual r(x,y) = f(x,y) + L[u(x,...

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