Merge pull request floodsung#127 from dikshantsagar/master

added YOLOv4

Author: floodsung

README.md

@@ -226,6 +226,13 @@ I would continue adding papers to this roadmap.
 Region-based Fully Convolutional Networks**." arXiv preprint arXiv:1605.06409 (2016). [[pdf]](https://arxiv.org/abs/1605.06409) :star::star::star::star:
 
 **[9]** He, Gkioxari, et al. "**Mask R-CNN**" arXiv preprint arXiv:1703.06870 (2017). [[pdf]](https://arxiv.org/abs/1703.06870) :star::star::star::star:
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+**[10]** Bochkovskiy, Alexey, et al. "**YOLOv4: Optimal Speed and Accuracy of Object Detection.**"  arXiv preprint arXiv:2004.10934 (2020). [[pdf]](https://arxiv.org/pdf/2004.10934) :star::star::star::star:
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+**[11]** Tan, Mingxing, et al. “**EfficientDet: Scalable and Efficient Object Detection.**" arXiv preprint arXiv:1911.09070 (2019). [[pdf]](https://arxiv.org/pdf/1911.09070) :star::star::star::star::star:
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 ## 3.3 Visual Tracking
 
 **[1]** Wang, Naiyan, and Dit-Yan Yeung. "**Learning a deep compact image representation for visual tracking**." Advances in neural information processing systems. 2013. [[pdf]](http://papers.nips.cc/paper/5192-learning-a-deep-compact-image-representation-for-visual-tracking.pdf) **(First Paper to do visual tracking using Deep Learning,DLT Tracker)** :star::star::star: