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Learning multi-label scene classification
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DOI：10.1016/j.patcog.2004.03.009.png)
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摘要
En 中文
In classic pattern recognition problems, classes are mutually exclusive by definition. Classification errors occur when the classes overlap in the feature space. We examine a different situation, occurring when the classes are, by definition, not mutually exclusive. Such problems arise in semantic scene and document classification and in medical diagnosis. We present a framework to handle such problems and apply it to the problem of semantic scene classification, where a natural scene may contain multiple objects such that the scene can be described by multiple class labels (e.g., a field scene with a mountain in the background). Such a problem poses challenges to the classic pattern recognition paradigm and demands a different treatment. We discuss approaches for training and testing in this scenario and introduce new metrics for evaluating individual examples, class recall and precision, and overall accuracy. Experiments show that our methods are suitable for scene classification; furthermore, our work appears to generalize to other classification problems of the same nature. (C) 2004 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.
Keyword:
image understanding
semantic scene classification
multi-label classification
multi-label training
multi-label evaluation
image organization
cross-training
Jaccard similarity
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