Image feature optimization based on nonlinear dimensionality reduction
β Scribed by Rong Zhu; Min Yao
- Book ID
- 111841957
- Publisher
- SP Zhejiang University Press
- Year
- 2009
- Tongue
- English
- Weight
- 822 KB
- Volume
- 10
- Category
- Article
- ISSN
- 1009-3095
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Locally linear embedding (LLE) is a nonlinear dimensionality reduction method proposed recently. It can reveal the intrinsic distribution of data, which cannot be provided by classical linear dimensionality reduction methods. The application of LLE, however, is limited because of its lack of a param
## Abstract In this article, an efficient image coding scheme that takes advantages of feature vector in wavelet domain is proposed. First, a multiβstage discrete wavelet transform is applied on the image. Then, the wavelet feature vectors are extracted from the waveletβdecomposed subimages by coll