hua li and david mould artech 2012 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Continuous Line Drawings on Dendrites PowerPoint Presentation
Download Presentation
Continuous Line Drawings on Dendrites

Loading in 2 Seconds...

play fullscreen
1 / 24

Continuous Line Drawings on Dendrites - PowerPoint PPT Presentation


  • 109 Views
  • Uploaded on

Hua Li and David Mould ARTECH 2012. Continuous Line Drawings on Dendrites. A sketching technique The pen will never leave the paper until the picture is finished. Constraints: a single closed curve no self-intersection preserving key features (tone and structure).

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Continuous Line Drawings on Dendrites' - zurina


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
continuous line drawings

A sketching technique

    • The pen will never leave the paper until the picture is finished.
  • Constraints:
    • a single closed curve
    • no self-intersection
    • preserving key features (tone and structure)
Continuous Line Drawings
related work

Approaches to Traveling Salesman Problem (TSP)

    • TSP art [Kaplan and Bosch 2005]
  • Curve on 2D manifolds [Pedersen and Singh 2006]
  • Unicursal maze [Pullen 2010]
  • CLD on meshes or 3D models [Xing et al. 2012, Garigipati and Akleman 2012]
Related work
previous work
Previous work

Curve on 2D manifolds

[Pedersen and Singh 2006]

  • TSP art
  • [Kaplan and Bosch 2005]

Unicursal maze

[Pullen 2010]

Surface covering curves

[Xing et al. 2012]

Duotone surfaces

[Garigipati and Akleman 2012]

a key observation to our algorithm
A KEY observation to our Algorithm

A tree structure

An outer boundary forming a CLD

overview of our method
Overview of our method

A given image

2. Label a dentrite

1. Build a dendrite

3. Build a wall (blue)

4. Label and build (green)

5. Generate a CLD

step i generating a tree structure
Step I: Generating a Tree structure

1. A starting seed

2. The second stipple

3. The first dendrite

4. The third stipple

4. The second dendrite

5. The fourth stipple and the third dendrite

step ii first labeling propagation
Step II: First Labeling Propagation

A resulting tree from step I

1. Label each branch

3. Add image boundary as a wall

2. Propagate labels and find a wall

step ii second labeling propagation
Step II: Second Labeling Propagation

1. Break the wall

2. Label the broken wall and the tree

3. Propagate labels and find the CLD

variations
Variations

Sparse distribution and parameter variations

Sparse distribution and a different position

Dense distribution

comparison
Comparison

Original image

TSP art [Kaplan and Bosch 2005]

Our CLD

more results
More results

CLD

Jordan map

Dendrites

slide17

CLD

Original image

Dendrites

conclusions

Propose an automatic abstraction with CLD

  • Our new idea can preserve structure and tone suggestions.
  • The CLD problem remains a very hard problem.
    • Automatic balance between the quality of abstraction and the aesthetic pleasure is still an unknown issue.
Conclusions