Browsing by Author "Ali, Nouman"

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  • Image classification by addition of spatial information based on histograms of orthogonal vectors 

    Zafar, Bushra; Ashraf, Rehan; Ali, Nouman; Ahmed, Mudassar; Jabbar, Sohail; Chatzichristofis, Savvas A. (PLOS ONE, 2018-06-08)
    The Bag-of-Visual-Words (BoVW) model is widely used for image classification, object recognition and image retrieval problems. In BoVW model, the local features are quantized and 2-D image space is represented in the form ...

  • A Novel Image Retrieval Based on Visual Words Integration of SIFT and SURF 

    Ali, Nouman; Bajwa, Khalid Bashir; Sablatnig, Robert; Chatzichristofis, Savvas A.; Iqbal, Zeshan; Rashid, Muhammad; Habib, Hafiz Adnan (2016)
    With the recent evolution of technology, the number of image archives has increased exponentially. In Content-Based Image Retrieval (CBIR), high-level visual information is represented in the form of low-level features. ...