• Acta Photonica Sinica
  • Vol. 49, Issue 2, 0210004 (2020)
Guang-yu LIANG, Liang-lun CHENG, Guo-heng HUANG*, and Li-min XU
Author Affiliations
  • School of Computer, Guangdong University of Technology, Guangzhou 510000, China
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    DOI: 10.3788/gzxb20204902.0210004 Cite this Article
    Guang-yu LIANG, Liang-lun CHENG, Guo-heng HUANG, Li-min XU. Object Detection of Millimeter-wave Image Based on Spatial-transformer RCNN with Deblurring[J]. Acta Photonica Sinica, 2020, 49(2): 0210004 Copy Citation Text show less
    Model of millimeter-wave cylindrical scanning imaging
    Fig. 1. Model of millimeter-wave cylindrical scanning imaging
    Frame for object detection of millimeter-wave images
    Fig. 2. Frame for object detection of millimeter-wave images
    Network of non-blind deblurring
    Fig. 3. Network of non-blind deblurring
    Structure of convolutional denoiser network
    Fig. 4. Structure of convolutional denoiser network
    Structure of ST-RCNN
    Fig. 5. Structure of ST-RCNN
    Structure of spatial transformer networks
    Fig. 6. Structure of spatial transformer networks
    Transformation of rotation
    Fig. 7. Transformation of rotation
    Millimeter-wave image and its corresponding result of deblurring
    Fig. 8. Millimeter-wave image and its corresponding result of deblurring
    Example of results in a millimeter-wave image dataset using our method
    Fig. 9. Example of results in a millimeter-wave image dataset using our method
    Example of results in a millimeter-wave image dataset using SSD network
    Fig. 10. Example of results in a millimeter-wave image dataset using SSD network
    Method/1/2/1/2/1/2/1/2Ours
    PSNR/dB22.8023.4123.8225.8527.49
    Table 1. Quantitative evaluation of deblurring on millimeter-wave images
    AP for knife/%AP for gun/%mAP/%
    Faster R-CNN[13] (VGG)73.080.076.5
    Faster R-CNN[13] (ResNet)52.970.861.9
    SSD[14]71.472.772.0
    FPN[15]74.977.876.3
    ST-RCNN78.481.079.7
    Proposed method80.681.380.9
    Table 2. Comparison of object detection performance in different network
    Guang-yu LIANG, Liang-lun CHENG, Guo-heng HUANG, Li-min XU. Object Detection of Millimeter-wave Image Based on Spatial-transformer RCNN with Deblurring[J]. Acta Photonica Sinica, 2020, 49(2): 0210004
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