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for encoding. Since training data could              quality on the fifteen scene categories

        have several images, total number of                 data set. The average accuracy of the
        DAISY descriptors could be very large (in            model was 76.4% in the case of a 40%–

        millions). To avoid complexities during              60% random split of images into training

        clustering and facilitate fast encoding, we          and testing data sets respectively

        use Mini-Batch K-Means algorithm. The
        histogram corresponding to each image

        is augmented with its HOG descriptor                       Through artificial intelligence,
                                                                    machines have come closer
        using a pooling procedure, to generate                       to human ability in several

        the final feature vector for different                         cognitive tasks such as
        images. The associated class label (e.g.                     visualizing and identifying

        living room, store etc.) would be readily                         diverse objects and

        available since the training data set is                   environments. Consequently,

        pre-labelled.                                               deep learning has emerged

        A multi-class SVM (each class                                as a powerful tool to solve

        corresponds to a scene category such                        problems involving machine
        as living room, store etc.) is trained and                      vision and perception.

        cross validated to assess the model


















































       60                                                                              INSIGHTZ - VOLUME 03, 2018
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