False Alert Rejection for Detecting Objects on a Table by Touch Reasoning

Atsushi HASHIMOTO  Takuya FUNATOMI  Kazuaki NAKAMURA  Michihiko MINOH  

D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)   Vol.J95-D   No.12   pp.2113-2123
Publication Date: 2012/12/01
Online ISSN: 1881-0225
Print ISSN: 1880-4535
Type of Manuscript: PAPER
object detection,  human region detection,  background subtraction,  shadow detection,  TexCut,  understanding deskworks,  

Full Text(in Japanese): PDF(1.5MB)
>>Buy this Article

We propose a method for rejecting false alerts caused by human's shadows when detecting objects on a table. The shadows casted by worker around the table will change color and textures in the background. We introduce a contextual information called “Touch Reasoning”, which rejects a detected region as a false alert when the region is not accessed by human just before the detection. In the experiments, with setting whole food preparing process as a target scene, we confirmed that our method rejects shadows efficiently in sink and stove area, where lighting condition changes visual features in background drastically.