Search results with tag "Feature pyramid"
A Unified Architecture for Instance and Semantic Segmentation
presentations.cocodataset.orgHe, K., Hariharan, B., & Belongie, S. Feature pyramid networks for object detection.CVPR 2017. Feature Pyramid Network (FPN) [3] 3 256 512 1024 2048 256 256 256 256. FPN Architecture 1 4 1 8 1 16 1 32 image 1 2x up 1x1 conv + high resolution low resolution strong features strong features [1] He, K., Zhang, X., Ren, S., & Sun, J. Deep residual ...
D DETR: DEFORMABLE TRANSFORMERS FOR -E OBJECT ... - …
arxiv.orgdeformable attention module can naturally aggregate multi-scale feature maps via attention mecha-nism, without the help of these feature pyramid networks. 3 REVISITING TRANSFORMERS AND DETR Multi-Head Attention in Transformers. Transformers (Vaswani et al., 2017) are of a network architecture based on attention mechanisms for machine translation.
Dynamic DETR: End-to-End Object Detection With Dynamic ...
openaccess.thecvf.comObject detection aims at predicting a set of bounding boxes and category labels for each object of interest. Mod- ... typical feature pyramid that is widely used in modern ob-ject detectors, and relatively low performance at detecting ... detection by first introducing Region Proposal Networks (RPN) to extract region features and then applying ...
Dynamic Head: Unifying Object Detection Heads With …
openaccess.thecvf.comObject detection is to answer the question “what ob- ... Instead of image pyramid, feature pyramid [14] was ... Convolution neural networks were known to be limited in learning spatial transformations existed in im-ages [36]. Some works mitigate this problem by either in-
Zhi Tian Chunhua Shen Hao Chen Tong He The ... - arXiv
arxiv.orgthan 180K anchor boxes in feature pyramid networks (FPN) [14] for an image with its shorter side being 800). Most of these anchor boxes are labelled as negative samples dur-ing training. The excessive number of negative samples ag-gravates the imbalance between positive and negative sam-ples in training. 4) Anchor boxes also involve complicated