| Technique | Perceptual 3D Shape Descriptor |
|---|---|
| Document | MPEG-7 Visual (ISO/IEC 15938-3) |
| Name | In Kyu Park, Hui Zhang, (Multimedia Lab, Samsung Advanced Institute of Technology) |
| saitpik@sait.samsung.co.kr, hui.zhang@samsung.com | |
| Type | Application |
| External Libraries | cv.lib(intel OpenCV) qhull.lib(Geometry Center) |
| Related Ds/DSs | 3D Shape Spectrum Descriptor |
| Used Ds/DSs | NONE |
| Input | 3D Meshes in VRML2.0 format |
| Extraction | Yes |
| Client Appl | Search & Retrieval |
| Summary | The Perceptual 3D Shape Descriptor provides a compact shape description of 3D data represented as 3D meshes. The Perceptual 3D Shape Descriptor is generated from the part-based representation. It has the form of an attributed relational graph (ARG), composed of nodes and edges. A node represents a meaningful part of the model with unary attributes, while an edge implies binary relations between nodes. |
| Strong Points | Compactness |
| Limitations | NONE |
| Known Problems | NONE |
| Parameters | bits_per_attribute: the number of bits used for quantizing the descriptor values. Default value is 8 bits. |