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    Chapter and Conference Paper

    Concept-Specific Visual Vocabulary Construction for Object Categorization

    Recently, the bag-of-words (BOW) based image representation is getting popular in object categorization. However, there is no available visual vocabulary and it has to be learned. As to traditional learning me...

    Chunjie Zhang, **g Liu, Yi Ouyang… in Advances in Multimedia Information Process… (2009)

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    Chapter and Conference Paper

    Flue-Cured Tobacco Grading Method Based on a Convolutional Neural Network

    Artificial flue-cured tobacco grading often has problems such as unstable grading results and low qualification rates, which lead to waste of tobacco resources and conflicts between tobacco farmers and collect...

    Chunjie Zhang, Lijun Yun, Zaiqing Chen in Computer Applications (2024)

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    Chapter and Conference Paper

    Second-Order Gradient Loss Guided Single-Image Super-Resolution

    With the development of deep learning, convolutional neural networks for single-image super-resolution have been proposed and achieved great success. However, most of these methods use L1 loss to guide network...

    Shuran Lin, Chunjie Zhang… in Intelligent Computers, Algorithms, and Applications (2024)