Semantic Multinomial Representation for Scene Images Using CNN-Based Pseudo-concepts and Concept Neural Network (original) (raw)

Communications in computer and information science, 2018

Abstract

For challenging visual recognition tasks such as scene classification and object detection there is a need to bridge the semantic gap between low-level features and the semantic concept descriptors. This requires mapping a scene image onto a semantic representation. Semantic multinomial (SMN) representation is a semantic representation of an image that corresponds to a vector of posterior probabilities of concepts. In this work we propose to build a concept neural network (CoNN) to obtain the SMN representation for a scene image. An important issue in building a CoNN is that it requires the availability of ground truth concept labels. In this work we propose to use pseudo-concepts obtained from feature maps of higher level layers of convolutional neural network. The effectiveness of the proposed approaches are studied using standard datasets.

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