280 search results - page 45 / 56 » Approximate nearest neighbors using sparse representations |
SCIA
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. The accuracy of data classification methods depends considerably on the data representation and on the selected features. In this work, the elastic net model selection i...
PSIVT
2007
Springer
15 years 3 months ago
2007
Springer
Content-based image retrieval (CBIR) is currently limited because of the lack of representational power of the low-level image features, which fail to properly represent the actual...
89
Voted
ICA
2007
Springer
15 years 1 months ago
2007
Springer
Non-negative spectrogram factorization has been proposed for single-channel source separation tasks. These methods operate on the magnitude or power spectrogram of the input mixtur...
67
Voted
ICCV
2003
IEEE
15 years 11 months ago
2003
IEEE
Recently, the optimal distance measure for a given object discrimination task under the nearest neighbor framework was derived [1]. For ease of implementation and efficiency consi...
EDBT
2008
ACM
15 years 9 months ago
2008
ACM
Index trees created using distance based indexing are difficult to maintain online since the distance function involved is often costly to compute. This problem is intensified whe...