Search Results for author: Qiuxia Wu

Found 5 papers, 3 papers with code

DC-PCN: Point Cloud Completion Network with Dual-Codebook Guided Quantization

no code implementations19 Jan 2025 Qiuxia Wu, Haiyang Huang, Kunming Su, Zhiyong Wang, Kun Hu

Despite achieving encouraging results, a significant issue remains: these methods often overlook the variability in point clouds sampled from a single 3D object surface.

Decoder Point Cloud Completion +1

RI-MAE: Rotation-Invariant Masked AutoEncoders for Self-Supervised Point Cloud Representation Learning

1 code implementation31 Aug 2024 Kunming Su, Qiuxia Wu, Panpan Cai, Xiaogang Zhu, Xuequan Lu, Zhiyong Wang, Kun Hu

Finally, the predictor predicts the latent features of the masked patches using the output latent embeddings from the student, supervised by the outputs from the teacher.

Representation Learning Self-Supervised Learning

SeCG: Semantic-Enhanced 3D Visual Grounding via Cross-modal Graph Attention

no code implementations13 Mar 2024 Feng Xiao, Hongbin Xu, Qiuxia Wu, Wenxiong Kang

3D visual grounding aims to automatically locate the 3D region of the specified object given the corresponding textual description.

3D visual grounding cross-modal alignment +3

SurgicalPart-SAM: Part-to-Whole Collaborative Prompting for Surgical Instrument Segmentation

2 code implementations22 Dec 2023 Wenxi Yue, Jing Zhang, Kun Hu, Qiuxia Wu, ZongYuan Ge, Yong Xia, Jiebo Luo, Zhiyong Wang

Specifically, we achieve this by proposing (1) Collaborative Prompts that describe instrument structures via collaborating category-level and part-level texts; (2) Cross-Modal Prompt Encoder that encodes text prompts jointly with visual embeddings into discriminative part-level representations; and (3) Part-to-Whole Adaptive Fusion and Hierarchical Decoding that adaptively fuse the part-level representations into a whole for accurate instrument segmentation in surgical scenarios.

Segmentation Semantic Segmentation

Self-supervised Multi-view Stereo via Effective Co-Segmentation and Data-Augmentation

1 code implementation12 Apr 2021 Hongbin Xu, Zhipeng Zhou, Yu Qiao, Wenxiong Kang, Qiuxia Wu

Recent studies have witnessed that self-supervised methods based on view synthesis obtain clear progress on multi-view stereo (MVS).

Data Augmentation

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