Search Results for author: Junliang Chen

Found 7 papers, 3 papers with code

SemFormer: Semantic Guided Activation Transformer for Weakly Supervised Semantic Segmentation

1 code implementation26 Oct 2022 Junliang Chen, Xiaodong Zhao, Cheng Luo, Linlin Shen

Recent mainstream weakly supervised semantic segmentation (WSSS) approaches are mainly based on Class Activation Map (CAM) generated by a CNN (Convolutional Neural Network) based image classifier.

Weakly supervised Semantic Segmentation Weakly-Supervised Semantic Segmentation

SLAMs: Semantic Learning based Activation Map for Weakly Supervised Semantic Segmentation

no code implementations22 Oct 2022 Junliang Chen, Xiaodong Zhao, Minmin Liu, Linlin Shen

Recent mainstream weakly-supervised semantic segmentation (WSSS) approaches mainly relies on image-level classification learning, which has limited representation capacity.

Segmentation Weakly supervised Semantic Segmentation +1

Sample hardness based gradient loss for long-tailed cervical cell detection

no code implementations7 Aug 2022 Minmin Liu, Xuechen Li, Xiangbo Gao, Junliang Chen, Linlin Shen, Huisi Wu

Due to the difficulty of cancer samples collection and annotation, cervical cancer datasets usually exhibit a long-tailed data distribution.

Cell Detection object-detection +1

Delving into the Scale Variance Problem in Object Detection

no code implementations16 Jun 2022 Junliang Chen, Xiaodong Zhao, Linlin Shen

For most of the single-stage object detectors, replacing the traditional convolutions with MSConvs in the detection head can bring more than 2. 5\% improvement in AP (on COCO 2017 dataset), with only 3\% increase of FLOPs.

Object object-detection +1

Selective Multi-Scale Learning for Object Detection

no code implementations16 Jun 2022 Junliang Chen, Weizeng Lu, Linlin Shen

When integrated with SMSL, two-stage detectors can get around 1. 0\% improvement in AP.

Object object-detection +1

Contrastive learning of Class-agnostic Activation Map for Weakly Supervised Object Localization and Semantic Segmentation

2 code implementations25 Mar 2022 Jinheng Xie, Jianfeng Xiang, Junliang Chen, Xianxu Hou, Xiaodong Zhao, Linlin Shen

While class activation map (CAM) generated by image classification network has been widely used for weakly supervised object localization (WSOL) and semantic segmentation (WSSS), such classifiers usually focus on discriminative object regions.

Contrastive Learning Image Classification +3

C2AM: Contrastive Learning of Class-Agnostic Activation Map for Weakly Supervised Object Localization and Semantic Segmentation

1 code implementation CVPR 2022 Jinheng Xie, Jianfeng Xiang, Junliang Chen, Xianxu Hou, Xiaodong Zhao, Linlin Shen

While class activation map (CAM) generated by image classification network has been widely used for weakly supervised object localization (WSOL) and semantic segmentation (WSSS), such classifiers usually focus on discriminative object regions.

Contrastive Learning Image Classification +3

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