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Transient texture synthesis based on multiple templates

Saitoh T., Sato M., Kaneko T., Kuriyama S.

Machine Graphics and Vision

2003

Vol. 12, No. 4

525-537

Texture synthesis based upon a sample image or template has attracted much attention recently. This paper describes a new blending algorithm for synthesizing a transient texture based upon two or more templates that gives an impression of a gradual transition from one template to another. Based upon a pair combination out of four templates, we synthesize six transitional textures. Then, we shown that various blending patterns can be designed by controlling the blending ratio maps. Based upon investigations of unsuccessful results of blending, we derive some necessary conditions on the statistical properties of templates for the applicability of this synthesis method.

Reconstruction of 3D human hair shape from video captured images and CT data

Haider A., Kaneko T.

Machine Graphics and Vision

2001

Vol. 10, No. 1

3-14

We propose tree-dimensional (3D) reconstruction method of human hair-shape from rotating head multiple video captyred images and Ct data. It is well known that no hair is present on the polygonal skin surface of the human head (3D-head) reconstructed from CT or MRI data. Our task is to reconstruction and add the hair-shape on the 3D-head to create a realistics human head model for simulating post-surgical facial expressions. Using a sculpturing technique based upon rotating head images we proposed a method of reconstructing the hair-shape as well as concave and semi-occluded parts in the skin-hair junction regions. We have utilized binarized voxel data of the 3D-head (solid-head) in this regard. The sculpturing objects in our definition is the solid-head surrouded by assumed thick hair-voxels. We sculpture the surrounding hair-voxels according to the extracted hair-region from the video captured while keeping the internal solid-head intact. We reconstruct the concave and semi-occluded regions by digging up to the visible skin surface of the solid-head in/near the hair region. We define complete-model as the 3D polygonal surface obtained from solid-head including the resione sculptured hair-voxel on it. Experimentally we have shown that our method yields hair shape to be used in partice.