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Pixel-level annotation demands expensive human efforts and limits the performance of deep networks that usually benefits from more such training data. In this work we aim to achieve high quality instance and semantic segmentation results…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Chuang Niu , Shenghan Ren , Jimin Liang

Enabling Visual Semantic Models to effectively handle multi-view description matching has been a longstanding challenge. Existing methods typically learn a set of embeddings to find the optimal match for each view's text and compute…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Yang Liu , Wentao Feng , Zhuoyao Liu , Shudong Huang , Jiancheng Lv

Recognizing 3D part instances from a 3D point cloud is crucial for 3D structure and scene understanding. Several learning-based approaches use semantic segmentation and instance center prediction as training tasks and fail to further…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Chunyu Sun , Xin Tong , Yang Liu

In this paper, we propose a simple yet efficientinstance segmentation approach based on the single-stage anchor-free detector, termed SAIS. In our approach, the instancesegmentation task consists of two parallel subtasks which re-spectively…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Canqun Xiang , Shishun Tian , Wenbin Zou , Chen Xu

As the exorbitant expense of labeling autopilot datasets and the growing trend of utilizing unlabeled data, semi-supervised segmentation on point clouds becomes increasingly imperative. Intuitively, finding out more ``unspoken words''…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Yujun Chen , Xin Tan , Zhizhong Zhang , Yanyun Qu , Yuan Xie

The increasing demand for controllable outputs in text-to-image generation has spurred advancements in multi-instance generation (MIG), allowing users to define both instance layouts and attributes. However, unlike image-conditional…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Dewei Zhou , Ji Xie , Zongxin Yang , Yi Yang

Dataset distillation (DD) aims to synthesize a small dataset whose test performance is comparable to a full dataset using the same model. State-of-the-art (SoTA) methods optimize synthetic datasets primarily by matching heuristic indicators…

机器学习 · 计算机科学 2023-12-29 Yuzhang Shang , Zhihang Yuan , Yan Yan

Modern 3D semantic instance segmentation approaches predominantly rely on specialized voting mechanisms followed by carefully designed geometric clustering techniques. Building on the successes of recent Transformer-based methods for object…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Jonas Schult , Francis Engelmann , Alexander Hermans , Or Litany , Siyu Tang , Bastian Leibe

Instance segmentation methods often require costly per-pixel labels. We propose a method that only requires point-level annotations. During training, the model only has access to a single pixel label per object, yet the task is to output…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Issam H. Laradji , Negar Rostamzadeh , Pedro O. Pinheiro , David Vazquez , Mark Schmidt

Learning cross-modal correspondences is essential for image-to-point cloud (I2P) registration. Existing methods achieve this mostly by utilizing metric learning to enforce feature alignment across modalities, disregarding the inherent…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Juncheng Mu , Chengwei Ren , Weixiang Zhang , Liang Pan , Xiao-Ping Zhang , Yue Gao

Knowledge Distillation-based Anomaly Detection (KDAD) methods rely on the teacher-student paradigm to detect and segment anomalous regions by contrasting the unique features extracted by both networks. However, existing KDAD methods suffer…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Peng Xing , Hao Tang , Jinhui Tang , Zechao Li

Panoptic segmentation is the combination of semantic and instance segmentation: assign the points in a 3D point cloud to semantic categories and partition them into distinct object instances. It has many obvious applications for outdoor…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Binbin Xiang , Torben Peters , Theodora Kontogianni , Frawa Vetterli , Stefano Puliti , Rasmus Astrup , Konrad Schindler

In contrast to fully supervised methods using pixel-wise mask labels, box-supervised instance segmentation takes advantage of simple box annotations, which has recently attracted increasing research attention. This paper presents a novel…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Wentong Li , Wenyu Liu , Jianke Zhu , Miaomiao Cui , Risheng Yu , Xiansheng Hua , Lei Zhang

Weakly supervised instance segmentation (WSIS) using only image-level labels is a challenging task due to the difficulty of aligning coarse annotations with the finer task. However, with the advancement of deep neural networks (DNNs), WSIS…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Zecheng Li , Zening Zeng , Yuqi Liang , Jin-Gang Yu

Deep neural networks have achieved impressive performance across a wide range of tasks, but this success often comes with substantial computational and storage costs due to large-scale training data. Dataset distillation addresses this…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Mingzhuo Li , Guang Li , Linfeng Ye , Jiafeng Mao , Takahiro Ogawa , Konstantinos N. Plataniotis , Miki Haseyama

Deep Metric Learning (DML) provides a crucial tool for visual similarity and zero-shot applications by learning generalizing embedding spaces, although recent work in DML has shown strong performance saturation across training objectives.…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Karsten Roth , Timo Milbich , Björn Ommer , Joseph Paul Cohen , Marzyeh Ghassemi

With the proposal of the Segment Anything Model (SAM), fine-tuning SAM for medical image segmentation (MIS) has become popular. However, due to the large size of the SAM model and the significant domain gap between natural and medical…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Jinfeng Wang , Sifan Song , Xinkun Wang , Yiyi Wang , Yiyi Miao , Jionglong Su , S. Kevin Zhou

Panoptic segmentation aims to address semantic and instance segmentation simultaneously in a unified framework. However, an efficient solution of panoptic segmentation in applications like autonomous driving is still an open research…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Enxu Li , Ryan Razani , Yixuan Xu , Liu Bingbing

Segmenting objects with complex shapes, such as wires, bicycles, or structural grids, remains a significant challenge for current segmentation models, including the Segment Anything Model (SAM) and its high-quality variant SAM-HQ. These…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Luka Vetoshkin , Dmitry Yudin

3D instance segmentation is crucial for obtaining an understanding of a point cloud scene. This paper presents a novel neural network architecture for performing instance segmentation on 3D point clouds. We propose to jointly learn…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Remco Royen , Leon Denis , Adrian Munteanu