Table of Links Abstract and 1. Introduction Abstract and 1. Introduction Related Work


Method
3.1 Overview of Our Method
3.2 Coarse Text-cell Retrieval
3.3 Fine Position Estimation
3.4 Training Objectives


Experiments
4.1 Dataset Description and 4.2 Implementation Details
4.3 Evaluation Criteria and 4.4 Results


Performance Analysis
5.1 Ablation Study
5.2 Qualitative Analysis
5.3 Text Embedding Analysis


Conclusion and References Related Work Related Work Related Work Method
3.1 Overview of Our Method
3.2 Coarse Text-cell Retrieval
3.3 Fine Position Estimation
3.4 Training Objectives Method 3.1 Overview of Our Method 3.1 Overview of Our Method 3.2 Coarse Text-cell Retrieval 3.2 Coarse Text-cell Retrieval 3.3 Fine Position Estimation 3.3 Fine Position Estimation 3.4 Training Objectives 3.4 Training Objectives Experiments
4.1 Dataset Description and 4.2 Implementation Details
4.3 Evaluation Criteria and 4.4 Results Experiments 4.1 Dataset Description and 4.2 Implementation Details 4.1 Dataset Description and 4.2 Implementation Details 4.3 Evaluation Criteria and 4.4 Results 4.3 Evaluation Criteria and 4.4 Results Performance Analysis
5.1 Ablation Study
5.2 Qualitative Analysis
5.3 Text Embedding Analysis Performance Analysis 5.1 Ablation Study 5.1 Ablation Study 5.2 Qualitative Analysis 5.2 Qualitative Analysis 5.3 Text Embedding Analysis 5.3 Text Embedding Analysis Conclusion and References Conclusion and References Conclusion and References Supplementary Material Supplementary Material Details of KITTI360Pose Dataset
More Experiments on the Instance Query Extractor
Text-Cell Embedding Space Analysis
More Visualization Results
Point Cloud Robustness Analysis Details of KITTI360Pose Dataset Details of KITTI360Pose Dataset More Experiments on the Instance Query Extractor More Experiments on the Instance Query Extractor Text-Cell Embedding Space Analysis Text-Cell Embedding Space Analysis More Visualization Results More Visualization Results Point Cloud Robustness Analysis Point Cloud Robustness Analysis Anonymous Authors Anonymous Authors Details of KITTI360Pose Dataset
More Experiments on the Instance Query Extractor
Text-Cell Embedding Space Analysis
More Visualization Results
Point Cloud Robustness Analysis Details of KITTI360Pose Dataset Details of KITTI360Pose Dataset More Experiments on the Instance Query Extractor More Experiments on the Instance Query Extractor Text-Cell Embedding Space Analysis Text-Cell Embedding Space Analysis More Visualization Results More Visualization Results Point Cloud Robustness Analysis Point Cloud Robustness Analysis 1 DETAILS OF KITTI360POSE DATASET 2 MORE EXPERIMENTS ON THE INSTANCE QUERY EXTRACTOR We conduct an additional experiment to assess the impact of the number of queries on the performance of our instance query extractor. As detailed in Table 1, we evaluate the localization recall rate using 16, 24, and 32 queries. The result demonstrates that using 24 queries yields the highest localization recall rate, i.e, 0.23/0.53/0.64 on the validation set and 0.22/0.47/0.58 on the test set. This finding suggests that the optimal number of queries for maximizing the effectiveness of our model is 24. 3 TEXT-CELL EMBEDDING SPACE ANALYSIS Fig. 2 shows the aligned text-cell embedding space via T-SNE [? ]. Under the instance-free scenario, we compare our model with Text2loc [? ] using a pre-trained instance segmentation model, Mask3D [? ], as a prior step. It can be observed that Text2Loc results in a less discriminative space, where positive cells are relatively far from the text query feature. In contrast, our IFRP-T2P effectively reduces the distance between positive cell features and text query features within the embedding space, thereby creating a more informative embedding space. This enhancement in the embedding space is critical for improving the accuracy of text-cell retrieval. Authors:
(1) Lichao Wang, FNii, CUHKSZ (wanglichao1999@outlook.com);
(2) Zhihao Yuan, FNii and SSE, CUHKSZ (zhihaoyuan@link.cuhk.edu.cn);
(3) Jinke Ren, FNii and SSE, CUHKSZ (jinkeren@cuhk.edu.cn);
(4) Shuguang Cui, SSE and FNii, CUHKSZ (shuguangcui@cuhk.edu.cn);
(5) Zhen Li, a Corresponding Author from SSE and FNii, CUHKSZ (lizhen@cuhk.edu.cn). Authors: Authors: (1) Lichao Wang, FNii, CUHKSZ (wanglichao1999@outlook.com); (2) Zhihao Yuan, FNii and SSE, CUHKSZ (zhihaoyuan@link.cuhk.edu.cn); (3) Jinke Ren, FNii and SSE, CUHKSZ (jinkeren@cuhk.edu.cn); (4) Shuguang Cui, SSE and FNii, CUHKSZ (shuguangcui@cuhk.edu.cn); (5) Zhen Li, a Corresponding Author from SSE and FNii, CUHKSZ (lizhen@cuhk.edu.cn). This paper is available on arxiv under CC BY-NC-ND 4.0 Deed (Attribution-Noncommercial-Noderivs 4.0 International) license. This paper is available on arxiv under CC BY-NC-ND 4.0 Deed (Attribution-Noncommercial-Noderivs 4.0 International) license. available on arxiv available on arxiv

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