B. Frey and N. Jojic, \Transformation-invariant clustering and dimensionality reduction using em," submitted to IEEE Transactions on Pattern Analysis and Machine Intelligence, November 2000. Home/Search Document Details and Download
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Robust Parameterized Component Analysis: Theory and.. - Torre, Black (2002) (3 citations) (Correct)
....methods. On the other hand, Rao [32] has proposed a neural network which can learn a translation invariant code for natural images. Although he suggests updating the appearance basis, the experiments show only translation invariant recognition, as proposed by Black and Jepson [4] Frey and Jojic [21] took a different approach and they introduce an Expectation Maximization (EM) algorithm for factor analysis (similar to PCA) that is invariant to geometric transformations. While their work represents a significant and pioneering contribution, the proposed method can be problematic because it ....
B. J. Frey and N. Jojic. Transformation-invariant clustering and dimensionality reduction. Submitted to IEEE Transaction on Pattern Analysis and Machine Intelligence, 2000.
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.... objects , such as windows and shadows. We now extend this model to allow the sprite to undergo simple geometric transformations (translation, rotation, etc. so that it can appear with di erent geometry in di erent frames of the video sequence. Following previous work by Frey and Jojic [6], the transformations are represented by a discrete set of possible transformations. For example, single pixel translations in an M N image (with wrap around) are represented using MN possible shifts. You may be concerned that discretizing the transformations will lead to slow algorithms. We ....
B. J. Frey and N. Jojic, \Transformation invariant clustering and dimensionality reduction," IEEE Transactions on Pattern Analysis and Machine Intelligence, 2001, To appear. Available at http://www.cs.utoronto.ca/frey. 8
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B. Frey and N. Jojic, \Transformation-invariant clustering and dimensionality reduction using em," submitted to IEEE Transactions on Pattern Analysis and Machine Intelligence, November 2000.
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B.J. Frey and N. Jojic, "Transformation-invariant clustering and dimensionality reduction using em," IEEE Transactions on Pattern Analysis and Machine Intelligence, 2000.
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B. J. Frey and N. Jojic, "Transformation-Invariant Clustering and Dimensionality Reduction Using EM", submitted to IEEE Trans. Pattern Analysis and Machine Intelligence, Nov. 2000.
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