Title
Carafe: Content-Aware Reassembly Of Features
Abstract
Feature upsampling is a key operation in a number of modern convolutional network architectures, e.g. feature pyramids. Its design is critical for dense prediction tasks such as object detection and semantic/instance segmentation. In this work, we propose Content-Aware ReAssembly of FEatures (CARAFE), a universal, lightweight and highly effective operator to fulfill this goal. CARAFE has several appealing properties: (1) Large field of view. Unlike previous works (e.g. bilinear interpolation) that only exploit subpixel neighborhood, CARAFE can aggregate contextual information within a large receptive field. (2) Content-aware handling. Instead of using a fixed kernel for all samples (e.g. deconvolution), CARAFE enables instance-specific content-aware handling, which generates adaptive kernels on-the-fly. (3) Lightweight and fast to compute. CARAFE introduces little computational overhead and can be readily integrated into modern network architectures. We conduct comprehensive evaluations on standard benchmarks in object detection, instance/semantic segmentation and in-painting. CARAFE shows consistent and substantial gains across all the tasks (1.2% AP, 1.3% AP, 1.8% mIoU, 1.1dB respectively) with negligible computational overhead. It has great potential to serve as a strong building block for future research. Code and models are available at https://github.com/open-mmlab/mmdetection.
Year
DOI
Venue
2019
10.1109/ICCV.2019.00310
2019 IEEE/CVF INTERNATIONAL CONFERENCE ON COMPUTER VISION (ICCV 2019)
Field
DocType
Volume
Computer vision,Computer science,Artificial intelligence
Conference
abs/1905.02188
Issue
ISSN
Citations 
1
1550-5499
7
PageRank 
References 
Authors
0.44
7
6
Name
Order
Citations
PageRank
Jiaqi Wang1774.20
Kai Chen21308.65
Rui Xu3202.66
Ziwei Liu4136163.23
Chen Change Loy54484178.56
Dahua Lin6111772.62