Abstract
To detect the edge of object, an efficient scheme based on the Multi-Oriented Local Energy (MOLE) is presented. The MOLE is constructed by Multi-oriented Gaussian second differential and its Hilbert transformation. The Multi-oriented Gaussian second differential is obtained by using a linear combination of basis filters with arbitrary orientations. To overcome the affection of illumination, Phase Congruency is employed by normalizing the directional energies. At last, our method is compared with other common methods. The experimental results reveal that this method can extract more continuous edge and obtain more details.
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