Digital Visual Effect

Final Project - Result Page

A Global Sampling Method for Alpha Matting

Wei Sheng, Lai

R01942068

2013.06.26

See also our main project page.

Dataset is available at alpha matting evaluation website.

1. Doll

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

2. Donkey

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

3. Elephant

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

4. Net

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

5. Pineapple

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

6. Plant

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

7. Plasticbag

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

8. Troll

(a) Input (b) Trimap
(c) Initial (d) Refine by closed-form matting (e) Refine by guided image filter
Local nearest neighbors sampling.
(f) Initial (g) Refine by closed-form matting (h) Refine by guided image filter
Robust matting.
(i) Initial (j) Refine by closed-form matting (k) Refine by guided image filter
Global sampling.

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