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» A Bag of Features Approach for 3D Shape Retrieval
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ICPR
2008
IEEE
15 years 4 months ago
Image-based plant modeling by knowing leaves from their apexes
In the paper, we present a novel approach to modeling plants from images by detecting apex features. First, an effective algorithm is proposed to extract apex features in volumetr...
Wei Ma, Hongbin Zha, Jia Liu, Xiaopeng Zhang, Bo X...
APVIS
2010
14 years 11 months ago
Shape-based transfer functions for volume visualization
We present a novel classification technique for volume visualization that takes the shape of volumetric features into account. The presented technique enables the user to distingu...
Jörg-Stefan Praßni, Timo Ropinski, J&ou...
PRL
2006
117views more  PRL 2006»
14 years 9 months ago
Multiscale Fourier descriptors for defect image retrieval
Shape is an essential visual feature of an image and it is widely used to describe image content in image classification and retrieval. In this paper, two new Fourier-based approa...
Iivari Kunttu, Leena Lepistö, Juhani Rauhamaa...
CVPR
2005
IEEE
15 years 11 months ago
Indexing with Unknown Illumination and Pose
The task of identifying 3D objects in 2D images is difficult due to variation in objects' appearance with changes in pose and lighting. The task is further complicated by the...
Ira Kemelmacher, Ronen Basri
ISBI
2004
IEEE
15 years 10 months ago
Search Space Partitioning Using Convex Hull and Concavity Features for Fast Medical Image Retrieval
A new approach is presented for partitioning an image database by classifying and indexing the convex hull shapes and the number of region concavities. The result is a significant...
Phillip Mlsna, Nikolay Sirakov