Deep Scene Image Classification With the MFAFVNet

ICCV 2017  ·  Yunsheng Li, Mandar Dixit, Nuno Vasconcelos ·

The problem of transferring a deep convolutional network trained for object recognition to the task of scene image classification is considered. An embedded implementation of the recently proposed mixture of factor analyzers Fisher vector (MFA-FV) is proposed... This enables the design of a network architecture, the MFAFVNet, that can be trained in an end to end manner. The new architecture involves the design of an MFA-FV layer that implements a statistically correct version of the MFA-FV, through a combination of network computations and regularization. When compared to previous neural implementations of Fisher vectors, the MFAFVNet relies on a more powerful statistical model and a more accurate implementation. When compared to previous non-embedded models, the MFAFVNet relies on a state of the art model, which is now embedded into a CNN. This enables end to end training. Experiments show that the MFAFVNet has state of the art performance on scene classification. read more

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