[4] [4] GIRSHICK R,DONAHUE J,DARRELL T,et al.Rich feature hierarchies for accurate object detection and semantic segmentation［C］//Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition(CVPR).Columbus,OH:IEEE,2014.doi:10.1109/CVPR.2014.81.

[5] [5] GIRSHICK R.Fast R-CNN［C］//IEEE International Conference on Computer Vision (ICCV).Santiago:IEEE,2015:1440-1448.

[6] [6] HE K M,GKIOXARI G,DOLLR P,et al.Mask R-CNN［C］//IEEE International Conference on Computer Vision (ICCV).Venice:IEEE,2017:2980-2988.

[7] [7] REDMON J,DIVVALA S,GIRSHICK R.You only look once:unified,real-time object detection［C］//IEEE Conference on Computer Vision and Pattern Recognition(CVPR).Las Vegas,NV:IEEE,2016:779-788.

[8] [8] REDMON J,FARHADI A.YOLOv3:an incremental improvement［R］.Los Alamos:arXiv Preprint,2018:arXiv:1804.02767.

[9] [9] ZHU X K,LYU S C,WANG X,et al.TPH-YOLOv5:improved YOLOv5 based on transformer prediction head for object detection on drone-captured scenarios［C］//IEEE/CVF International Conference on Computer Vision Workshops (ICCVW).Montreal,BC:IEEE,2021.doi:10.1109/ICCVW54120.2021.00312.

[10] [10] REDMON J,FARHADI A.YOLO9000:better,faster,stronger［C］//IEEE Conference on Computer Vision and Pattern Recognition (CVPR).Honolulu,HI:IEEE,2017.doi:10.1109/CVPR.2017.690.

[11] [11] LIU W,ANGUELOV D,ERHAN D,et al.SSD:single shot multibox detector［C］//European Conference on Computer Vision(ECCV).Amsterdam:Springer International Publishing,2016:21-37.

[15] [15] LI Q Z,XIAO D J,SHI F Y.A decoupled head and coordinate attention detection method for ship targets in SAR images［J］.IEEE Access,2022,10:128562-128578.

[16] [16] ZHANG X,HUO C L,XU N,et al.Multitask learning for ship detection from synthetic aperture radar images［J］.IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,2021,14:8048-8062.

[17] [17] HU L,CHEN J.Ship target detection in SAR images based on FPGA［C］//The 3rd China International SAR Symposium (CISS).Shanghai:IEEE,2022.doi:10.1109/CISS57580.2022.9971272.

[18] [18] ZHANG Q L,YANG Y B.SA-Net:shuffle attention for deep convolutional neural networks［C］//ICASSP 2021-2021 IEEE International Conference on Acoustics,Speech and Signal Processing (ICASSP).Toronto:IEEE,2021.doi:10.1109/ICASSP39728.2021.9414568.

[19] [19] NASCIMENTO M G D,PRISACARIU V,FAWCETT R.DSConv:efficient convolution operator［C］//IEEE/CVF International Conference on Computer Vision (ICCV).Seoul:IEEE,2019.doi:10.1109/ICCV.2019.00525.

[20] [20] WANG J W,XU C,YANG W,et al.A normalized Gaussian Wasserstein distance for tiny object detection［R］.Los Alamos:arXiv Preprint 2021:arXiv:2110.13389.

[21] [21] WEI S J,ZENG X F,QU Q Z,et al.HRSID:a high-resolution SAR images dataset for ship detection and instance segmentation［J］.IEEE Access,2020,8:120234-120254.