Title: Efficient retrieval of trademark images from large databases

Authors: Akriti Nigam; Vivek Kumar Singh

Addresses: Birla Institute of Technology, Ranchi, India ' Ramrao Adik Institute of Technology, Navi Mumbai, India

Abstract: Trademarks law is considered as the most pervasive amongst all the intellectual property laws because all the judgments require contemplating the imaginations of the consumers. Once the trademark has been submitted for registration, the examiners at the trademark office make sure that it is not similar to any of the previous registered trademarks. This motivated the need of an automated trademark retrieval system. This paper makes a contribution in the field of trademark image retrieval by proposing a retrieval technique that allows a flexible combination of colour, texture and shape features. Moreover the proposed technique utilises HSV colour histogram, for colour, multi resolution Gabor wavelet for texture and an integration of Zernike moments for global shape and scale invariant feature transform (SIFT) for local shape feature extraction. The results have been tested on MPEG7, MPEG trademark, WANG and self-compiled datasets. The improvement achieved in precision is 14% on MPEG7, 30% on the WANG and 38% on self-compiled dataset. Similarly, 26% improvement in average recall is achieved and around 16% when our proposed shape feature is compared with other state of the art techniques like Fourier descriptors, Hu moments, wavelet descriptors, Zernike moments and edge gradient co-occurrence matrix.

Keywords: colour histogram; Gabor wavelet; Zernike moments; scale invariant feature transform; SIFT; fuzzy clustering.

DOI: 10.1504/IJIPM.2021.114604

International Journal of Intellectual Property Management, 2021 Vol.11 No.2, pp.165 - 184

Received: 13 Feb 2020
Accepted: 31 Mar 2020
Published online: 28 Apr 2021 *

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