Search Results for author: Qihua Dong

Found 3 papers, 2 papers with code

Preserving Tumor Volumes for Unsupervised Medical Image Registration

1 code implementation ICCV 2023 Qihua Dong, Hao Du, Ying Song, Yan Xu, Jing Liao

Our approach balances image similarity and volume preservation in different regions, i. e., normal and tumor regions, by using soft tumor masks to adjust the imposition of volume-preserving loss on each one.

Anatomy Image Registration +1

Weakly-Supervised 3D Medical Image Segmentation using Geometric Prior and Contrastive Similarity

no code implementations4 Feb 2023 Hao Du, Qihua Dong, Yan Xu, Jing Liao

Furthermore, we propose contrastive similarity to encourage organ pixels to gather around in the contrastive embedding space, which helps better distinguish low-contrast tissues.

Image Segmentation Medical Image Segmentation +3

Weakly-Supervised Camouflaged Object Detection with Scribble Annotations

1 code implementation28 Jul 2022 Ruozhen He, Qihua Dong, Jiaying Lin, Rynson W. H. Lau

To achieve this, we first relabel 4, 040 images in existing camouflaged object datasets with scribbles, which takes ~10s to label one image.

Object object-detection +1

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