← Search

Junwei Han

56 accepted papers

2026

AURORA: Augmented Understanding via Structured Reasoning and Reinforcement Learning for Reference Audio-Visual Segmentation

AAAI 2026technical

Reference Audio-Visual Segmentation (Ref-AVS) tasks challenge models to precisely locate sounding objects by integrating visual, auditory, and textual cues. Existing methods often lack genuine semantic understanding, tending to memorize fixed reasoning patterns. Furthermore, jointly training for rea

Cited by 0SourcePDFScholar
2026

Few-Shot Hybrid Incremental Learning:Continually Learning under Data Scarcity and Task Uncertainty

CVPR 2026

The increasing complexity of real-world deployment requires intelligent agents to effectively adapt to non-stationary data streams with stochastic increments under data scarcity. We formally define this challenge as the Few-Shot Hybrid Incremental Learning (FSHIL) paradigm, which reveals a critical

Cited by 0SourceScholar
2026

MPL: Match-guided Prototype Learning for Few-shot Action Recognition

CVPR 2026

Current few-shot action recognition methods achieve impressive performance by learning representative prototypes and designing diverse video matching strategies. However, these approaches typically face two critical limitations: i) prototypes learned through implicit sample interactions lack clear s

Cited by 0SourcecodeScholar
2026

Second Order Sliding Mode Control of Flying Wing Aircraft Based on Feedforward Neural Networks (I)

ICRA 2026poster

The flying-wing aircraft control problem is a major concern. In this paper, a new control strategy is introduced. First, a Feedforward neural network (FNN) modeling is introduced. Then, a second-order sliding mode control is applied, with the parameters generated from Deep Deterministic Policy Gradi…

Cited by 0Scholar
2026

UQ-ViT: Harmonizing Extreme Activations with Hardware-Friendly Uniform Quantization in Vision Transformers

AAAI 2026technical

Post-Training Quantization enables efficient Vision Transformer (ViTs) deployment with a small calibration data, and its prevalent use of uniform quantization harnesses AI accelerator matrix cores for high-speed inference. However, the application of uniform quantization is fundamentally challenged

Cited by 0SourcePDFScholar
2025

CityGS-X: A Scalable Architecture for Efficient and Geometrically Accurate Large-Scale Scene Reconstruction

ICCV 2025poster

Despite its significant achievements in large-scale scene reconstruction, 3D Gaussian Splatting still faces substantial challenges, including slow processing, high computational costs, and limited geometric accuracy. These core issues arise from its inherently unstructured design and the absence of…

Cited by 0SourcePDFScholar
2025

DGTR: Distributed Gaussian Turbo-Reconstruction for Sparse-View Vast Scenes

ICRA 2025

Novel-view synthesis approaches play a critical role in vast scene reconstruction. However, these methods rely heavily on dense image inputs and prolonged training times, making them unsuitable where computational resources are limited. Additionally, few-shot methods often struggle with poor reconst

Cited by 5SourcecodeScholar
2025

Not All Tokens Matter All The Time: Dynamic Token Aggregation Towards Efficient Detection Transformers

ICML 2025poster

The substantial computational demands of detection transformers (DETRs) hinder their deployment in resource-constrained scenarios, with the encoder consistently emerging as a critical bottleneck. A promising solution lies in reducing token redundancy within the encoder. However, existing methods per…

Cited by 0SourcePDFScholar
2025

Ph-GAN: Physics-Inspired GAN for Generating SAR Images Under Limited Data

ICCV 2025poster

Approaches for improving generative adversarial networks (GANs) training under a few samples have been explored for natural images. However, these methods have limited effectiveness for synthetic aperture radar (SAR) images, as they do not account for the unique electromagnetic scattering properties…

Cited by 0SourcePDFScholar
2025

Pursuing Temporal-Consistent Video Virtual Try-On via Dynamic Pose Interaction

CVPR 2025poster

Video virtual try-on aims to seamlessly dress a subject in a video with a specific garment. The primary challenge involves preserving the visual authenticity of the garment while dynamically adapting to the pose and physique of the subject. While existing methods have predominantly focused on image-…

Cited by 0SourcePDFScholar
2025

STRIDER: Navigation via Instruction-Aligned Structural Decision Space Optimization

NeurIPS 2025poster

The Zero-shot Vision-and-Language Navigation in Continuous Environments (VLN-CE) task requires agents to navigate previously unseen 3D environments using natural language instructions, without any scene-specific training. A critical challenge in this setting lies in ensuring agents’ actions align wi…

Cited by 0SourceScholar
2025

VDG: Vision-Only Dynamic Gaussian for Driving Simulation

RA-L 2025

Recent advances in dynamic Gaussian splatting have significantly improved scene reconstruction and novel-view synthesis. However, existing methods often rely on pre-computed camera poses and Gaussian initialization using Structure from Motion (SfM) or other costly sensors, limiting their scalability

Cited by 23SourceScholar
2024

Bidirectional Reciprocative Information Communication for Few-Shot Semantic Segmentation

ICML 2024poster

Existing few-shot semantic segmentation methods typically rely on a one-way flow of category information from support to query, ignoring the impact of intra-class diversity. To address this, drawing inspiration from cybernetics, we introduce a Query Feedback Branch (QFB) to propagate query informati…

2024

GGRt: Towards Generalizable 3D Gaussians without Pose Priors in Real-Time

ECCV 2024poster

"This paper presents GGRt, a novel approach to generalizable novel view synthesis that alleviates the need for real camera poses, complexity in processing high-resolution images, and lengthy optimization processes, thus facilitating stronger applicability of 3D Gaussian Splatting (3D-GS) in real-wor…

2024

GP-NeRF: Generalized Perception NeRF for Context-Aware 3D Scene Understanding

CVPR 2024highlight

Applying Neural Radiance Fields (NeRF) to downstream perception tasks for scene understanding and representation is becoming increasingly popular. Most existing methods treat semantic prediction as an additional rendering task i.e. the "label rendering" task to build semantic NeRFs. However by rende…

Cited by 25SourcePDFScholar
2024

Operational Space Balancing Control Based on Integrated CoM Dynamics for Underactuated Triple Pendulum Robot

RA-L 2024

This letter introduces a novel control method for the underactuated triple pendulum robot (UTPR), allowing it to maintain balance while controlling the end-effector motion in the operational space. The UTPR is influenced by gravity in the vertical plane, with the first joint being passive (underactu

Cited by 0SourceScholar
2024

SpFormer: Spatio-Temporal Modeling for Scanpaths with Transformer

AAAI 2024technical

Saccadic scanpath, a data representation of human visual behavior, has received broad interest in multiple domains. Scanpath is a complex eye-tracking data modality that includes the sequences of fixation positions and fixation duration, coupled with image information. However, previous methods usua…

2023

Boosting Low-Data Instance Segmentation by Unsupervised Pre-Training With Saliency Prompt

CVPR 2023poster

Recently, inspired by DETR variants, query-based end-to-end instance segmentation (QEIS) methods have outperformed CNN-based models on large-scale datasets. Yet they would lose efficacy when only a small amount of training data is available since it's hard for the crucial queries/kernels to learn lo…

2023

Discriminative Co-Saliency and Background Mining Transformer for Co-Salient Object Detection

CVPR 2023poster

Most previous co-salient object detection works mainly focus on extracting co-salient cues via mining the consistency relations across images while ignoring the explicit exploration of background regions. In this paper, we propose a Discriminative co-saliency and background Mining Transformer framew…

2023

Fine-grained Artificial Neurons in Audio-transformers for Disentangling Neural Auditory Encoding

ACL 2023findings

The Wav2Vec and its variants have achieved unprecedented success in computational auditory and speech processing. Meanwhile, neural encoding studies that integrate the superb representation capability of Wav2Vec and link those representations to brain activities have provided novel insights into a f…

2023

Multi-grained Temporal Prototype Learning for Few-shot Video Object Segmentation

ICCV 2023poster

Few-Shot Video Object Segmentation (FSVOS) aims to segment objects in a query video with the same category defined by a few annotated support images. However, this task was seldom explored. In this work, based on IPMT, a state-of-the-art few-shot image segmentation method that combines external supp…

Cited by 11PDFcodeScholar
2023

Robust and Adaptive Calibration of UWB-Aided Vision Navigation System for UAVs

RA-L 2023

This letter proposes an adaptive calibration scheme that integrates Ultra-Wideband (UWB) anchor position estimation and adaptive path planning for Unmanned Aerial Vehicles (UAVs). A closed-form solution, independent of the initial guess of the UWB anchor positions, is rigorously derived, in the UWB

Cited by 9SourceScholar
2023

Small Object Detection via Coarse-to-fine Proposal Generation and Imitation Learning

ICCV 2023poster

The past few years have witnessed the immense success of object detection, while current excellent detectors struggle on tackling size-limited instances. Concretely, the well-known challenge of low overlaps between the priors and object regions leads to a constrained sample pool for optimization, an…

Cited by 72PDFcodeScholar
2022

Beyond the Prototype: Divide-and-conquer Proxies for Few-shot Segmentation

IJCAI 2022poster

Few-shot segmentation, which aims to segment unseen-class objects given only a handful of densely labeled samples, has received widespread attention from the community. Existing approaches typically follow the prototype learning paradigm to perform meta-inference, which fails to fully exploit the un…

2022

Exploring Effective Data for Surrogate Training Towards Black-Box Attack

CVPR 2022poster

Without access to the training data where a black-box victim model is deployed, training a surrogate model for black-box adversarial attack is still a struggle. In terms of data, we mainly identify three key measures for effective surrogate training in this paper. First, we show that leveraging the…

Cited by 33PDFcodeScholar
2022

Incremental Cross-View Mutual Distillation for Self-Supervised Medical CT Synthesis

CVPR 2022poster

Due to the constraints of the imaging device and high cost in operation time, computer tomography (CT) scans are usually acquired with low within-slice resolution. Improving the inter-slice resolution is beneficial to the disease diagnosis for both human experts and computer-aided systems. To this e…

Cited by 25PDFScholar
2022

Intermediate Prototype Mining Transformer for Few-Shot Semantic Segmentation

NeurIPS 2022accept

Few-shot semantic segmentation aims to segment the target objects in query under the condition of a few annotated support images. Most previous works strive to mine more effective category information from the support to match with the corresponding objects in query. However, they all ignored the ca…

2022

Learning Non-Target Knowledge for Few-Shot Semantic Segmentation

CVPR 2022poster

Existing studies in few-shot semantic segmentation only focus on mining the target object information, however, often are hard to tell ambiguous regions, especially in non-target regions, which include background (BG) and Distracting Objects (DOs). To alleviate this problem, we propose a novel frame…

Cited by 152PDFcodeScholar
2022

Learning What Not To Segment: A New Perspective on Few-Shot Segmentation

CVPR 2022oral

Recently few-shot segmentation (FSS) has been extensively developed. Most previous works strive to achieve generalization through the meta-learning framework derived from classification tasks; however, the trained models are biased towards the seen classes instead of being ideally class-agnostic, th…

Cited by 284PDFcodeScholar
2022

Robust Region Feature Synthesizer for Zero-Shot Object Detection

CVPR 2022poster

Zero-shot object detection aims at incorporating class semantic vectors to realize the detection of (both seen and) unseen classes given an unconstrained test image. In this study, we reveal the core challenges in this research area: how to synthesize robust region features (for unseen objects) that…

Cited by 54PDFcodeScholar
2022

Weakly Supervised Rotation-Invariant Aerial Object Detection Network

CVPR 2022poster

Object rotation is among long-standing, yet still unexplored, hard issues encountered in the task of weakly supervised object detection (WSOD) from aerial images. Existing predominant WSOD approaches built on regular CNNs which are not inherently designed to tackle object rotations without correspon…

Cited by 45PDFcodeScholar
2021

Light Field Saliency Detection With Dual Local Graph Learning and Reciprocative Guidance

ICCV 2021poster

The application of light field data in salient object detection is becoming increasingly popular in recent years. The difficulty lies in how to effectively fuse the features within the focal stack and how to cooperate them with the feature of the all-focus image. Previous methods usually fuse focal…

Cited by 48PDFcodeScholar
2021

Strengthen Learning Tolerance for Weakly Supervised Object Localization

CVPR 2021poster

Weakly supervised object localization (WSOL) aims at learning to localize objects of interest by only using the image-level labels as the supervision. While numerous efforts have been made in this field, recent approaches still suffer from two challenges: one is the part domination issue while the o…

Cited by 77PDFcodeScholar
2021

Summarize and Search: Learning Consensus-Aware Dynamic Convolution for Co-Saliency Detection

ICCV 2021poster

Humans perform co-saliency detection by first summarizing the consensus knowledge in the whole group and then searching corresponding objects in each image. Previous methods usually lack robustness, scalability, or stability for the first process and simply fuse consensus features with image feature…

Cited by 72PDFcodeScholar
2021

Weakly Supervised Video Salient Object Detection

CVPR 2021poster

Significant performance improvement has been achieved for fully-supervised video salient object detection with the pixel-wise labeled training datasets, which are timeconsuming and expensive to obtain. To relieve the burden of data annotation, we present the first weakly supervised video salient obj…

Cited by 93PDFcodeScholar
2020

Joint Multi-view 2D Convolutional Neural Networks for 3D Object Classification

IJCAI 2020poster

Three-dimensional (3D) object classification is widely involved in various computer vision applications, e.g., autonomous driving, simultaneous localization and mapping, which has attracted lots of attention in the committee. However, solving 3D object classification by directly employing the 3D con…

Cited by 0SourcePDFScholar
2018

PiCANet: Learning Pixel-Wise Contextual Attention for Saliency Detection

CVPR 2018poster

Contexts play an important role in the saliency detection task. However, given a context region, not all contextual information is helpful for the final task. In this paper, we propose a novel pixel-wise contextual attention network, i.e., the PiCANet, to learn to selectively attend to informative c…

2018

PoseFlow: A Deep Motion Representation for Understanding Human Behaviors in Videos

CVPR 2018poster

Motion of the human body is the critical cue for understanding and characterizing human behavior in videos. Most existing approaches explore the motion cue using optical flows. However, optical flow usually contains motion on both the interested human bodies and the undesired background. This "noisy…

Cited by 43SourcePDFScholar
2018

Reinforcement Cutting-Agent Learning for Video Object Segmentation

CVPR 2018poster

Video object segmentation is a fundamental yet challenging task in computer vision community. In this paper, we formulate this problem as a Markov Decision Process, where agents are learned to segment object regions under a deep reinforcement learning framework. Essentially, learning agents for segm…

Cited by 105SourcePDFScholar
2017

SPFTN: A Self-Paced Fine-Tuning Network for Segmenting Objects in Weakly Labelled Videos

CVPR 2017poster

Object segmentation in weakly labelled videos is an interesting yet challenging task, which aims at learning to perform category-specific video object segmentation by only using video-level tags. Existing works in this research area might still have some limitations, e.g., lack of effective DNN-base…

Cited by 61PDFScholar
2016

RIFD-CNN: Rotation-Invariant and Fisher Discriminative Convolutional Neural Networks for Object Detection

CVPR 2016poster

Thanks to the powerful feature representations obtained through deep convolutional neural network (CNN), the performance of object detection has recently been substantially boosted. Despite the remarkable success, the problems of object rotation, within-class variability, and between-class similarit…

Cited by 204PDFScholar
2015

A Self-Paced Multiple-Instance Learning Framework for Co-Saliency Detection

ICCV 2015poster

As an interesting and emerging topic, co-saliency detection aims at simultaneously extracting common salient objects in a group of images. Traditional co-saliency detection approaches rely heavily on human knowledge for designing hand-crafted metrics to explore the intrinsic patterns underlying co-s…

Cited by 155PDFScholar
2015

Learning Coarse-to-Fine Sparselets for Efficient Object Detection and Scene Classification

CVPR 2015poster

Part model-based methods have been successfully applied to object detection and scene classification and have achieved state-of-the-art results. More recently the "sparselets" work [1-3] were introduced to serve as a universal set of shared basis learned from a large number of part detectors, result…

Cited by 75SourcePDFScholar
2015

Predicting Eye Fixations Using Convolutional Neural Networks

CVPR 2015poster

It is believed that eye movements in free-viewing of natural scenes are directed by both bottom-up visual saliency and top-down visual factors. In this paper, we propose a novel computational framework to simultaneously learn these two types of visual features from raw image data using a multiresolu…