•3D point cloud of the rice seed was obtained from a laser scanning system.•An improved method based on rice seed point clouds is proposed to calculate the surface shape feature.•The volume and surface area of the rice seed were successfully obtained by the 3D point cloud.•The accuracy of the calculation method is higher than 98%.•The method is applicable for measurement of other irregular object.
Computers and Electronics in Agriculture – Elsevier
Published: Nov 1, 2017
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