Recent Advances in Scene Image Representation and Classification
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With the rise of deep learning algorithms nowadays, scene image representation methods on big data (e.g., SUN-397) have achieved a significant performance boost in classification. However, the performance is still limited because the scene images are mostly complex in nature having higher intra-class dissimilarity and inter-class similarity problems. To deal with such problems, there are several methods proposed in the literature with their own advantages and limitations. A detailed study of previous works is necessary to understand their pros and cons in image representation and classification. In this paper, we review the existing scene image representation methods that are being used widely for image classification. For this, we, first, devise the taxonomy using the seminal existing methods proposed in the literature to this date. Next, we compare their performance both qualitatively (e.g., quality of outputs, pros/cons, etc.) and quantitatively (e.g., accuracy). Last, we speculate the prominent research directions in scene image representation tasks. Overall, this survey provides in-depth insights and applications of recent scene image representation methods for traditional Computer Vision (CV)-based methods, Deep Learning (DL)-based methods, and Search Engine (SE)-based methods.
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