Online sketch-based image retrieval using keyshape mining of geometrical objects / by Huda Abulaali Abdulbaqi, 1969-, author 656253, Ghazali Sulong, supervisor 512558, Siti Zaiton Mohd. Hashim, supervisor 558111, Soukaena Hasin Hashim, supervisor 656254, Fakulti Komputeran 538688