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Domain adaptation of image classification based on collective target nearest-neighbor representation

[+] Author Affiliations
Song Tang, Mao Ye, Qihe Liu, Fan Li

University of Electronic Science and Technology of China, School of Computer Science and Engineering, Center for Robotics, Key Laboratory for Neuroinformation of Ministry of Education, Chengdu 611731, China

J. Electron. Imaging. 25(3), 033006 (May 27, 2016). doi:10.1117/1.JEI.25.3.033006
History: Received December 14, 2015; Accepted April 27, 2016
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Abstract.  In many practical applications, we frequently face the awkward problem in which an image classifier trained in a scenario is difficult to use in a new scenario. Traditionally, the probability inference-based methods are used to solve this problem. From the point of image representation, we propose an approach for domain adaption of image classification. First, all source samples are supposed to form the dictionary. Then, we encode the target sample by combining this dictionary and the local geometric information. Based on this new representation, called target nearest-neighbor representation, image classification can obtain good performance in the target domain. Our core contribution is that the nearest-neighbor information of the target sample is technically exploited to form more robust representation. Experimental results confirm the effectiveness of our method.

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Citation

Song Tang ; Mao Ye ; Qihe Liu and Fan Li
"Domain adaptation of image classification based on collective target nearest-neighbor representation", J. Electron. Imaging. 25(3), 033006 (May 27, 2016). ; http://dx.doi.org/10.1117/1.JEI.25.3.033006


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