SONG Xiu-rui, WU Zhi-yong,. Unsupervised detection of image object with any class[J]. Editorial Office of Optics and Precision Engineering, 2014,22(1): 160-168
SONG Xiu-rui, WU Zhi-yong,. Unsupervised detection of image object with any class[J]. Editorial Office of Optics and Precision Engineering, 2014,22(1): 160-168 DOI: 10.3788/OPE.20142201.0160.
Unsupervised detection of image object with any class
To measure a variety of objects of an image and to reduce the detection time
an unsupervised object detection model was established to provide location priors. The model was mainly based on three image cues of a object
and they are saliency detection
color contrast and superpixel straddling. To determine the likelihood of image object contained in a window
the saliency scores of the three cues were calculated
and the saliency cues of the three objects were fused in a simple Bayesian framework by a machine learning center-surrounding proportion parameter. In experiments on the challenging PASCAL VOC 07 dataset
it shows that the detection rate is 28.94 %
the hit rate is 96.99% and the combined measuring result is better than any cue alone. In experiments on MSRC dataset
it shows that the proposed model is generic and efficient
the detection rate is 80.64 %
the hit rate is 99.10% and the average processing time is 40% less than that of Bogdan's model.These results from extensive field tests suggest that proposed model can provide better location priors to the object recognition and image segmentation where the location of object is unknown.
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references
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