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Liujuan Cao

66 accepted papers

2026

AnomalyPainter: Vision-Language-Diffusion Synergy for Realistic and Diverse Unseen Industrial Anomaly Synthesis

AAAI 2026technical

Visual anomaly detection is limited by the lack of sufficient anomaly data. While existing anomaly synthesis methods have made remarkable progress, achieving both realism and diversity in synthesis remains a major obstacle. To address this, we propose AnomalyPainter, a novel framework that breaks th

Cited by 0SourcePDFScholar
2026

CustomTex: High-fidelity Indoor Scene Texturing via Multi-Reference Customization

CVPR 2026

The creation of high-fidelity, customizable 3D indoor scene textures remains a significant challenge. While text-driven methods offer flexibility, they lack the precision for fine-grained, instance-level control, and often produce textures with insufficient quality, artifacts, and baked-in shading.

Cited by 0SourceScholar
2026

DeOcc-1-to-3: 3D De-Occlusion from a Single Image via Self-Supervised Multi-View Diffusion

AAAI 2026technical

Reconstructing 3D objects from a single image is a long-standing challenge, particularly under real-world occlusions. While recent diffusion-based view synthesis models can generate consistent novel views from a single RGB image, they generally assume fully visible inputs and struggle when parts of

Cited by 0SourcePDFScholar
2026

Discover, Segment, and Select: A Progressive Mechanism for Zero-shot Camouflaged Object Segmentation

CVPR 2026

Current zero-shot camouflaged object segmentation methods typically employ a two-stage pipeline (discover-then-segment): using MLLMs to obtain visual prompts, followed by SAM segmentation. However, relying solely on MLLMs for camouflaged object discovery often leads to inaccurate localization, false

Cited by 0SourcecodeScholar
2026

FastVGGT: Fast Visual Geometry Transformer

ICLR 2026poster

Scaling visual geometry transformers for long image sequences poses a significant computational and memory challenge. In this work, we diagnose this issue in the state-of-the-art model VGGT, and trace the primary bottleneck to its Global Attention layer. Our analysis reveals a ``token collapse'' phe…

Cited by 0SourcecodeScholar
2026

FlashWorld: High-quality 3D Scene Generation within Seconds

ICLR 2026oral

We propose FlashWorld, a generative model that produces 3D scenes from a single image or text prompt in seconds, $10 \sim 100\times$ faster than previous works while possessing superior rendering quality. Our approach shifts from the conventional multi-view-oriented (MV-oriented) paradigm, which gen…

Cited by 26SourcecodeScholar
2026

MVGGT: Multimodal Visual Geometry Grounded Transformer for Multiview 3D Referring Expression Segmentation

CVPR 2026

Most existing 3D referring expression segmentation (3DRES) methods rely on dense, high-quality point clouds, while real-world agents such as robots and mobile phones operate with only a few sparse RGB views and strict latency constraints. We introduce Multi-view 3D Referring Expression Segmentation

Cited by 0SourcecodeScholar
2026

PixDLM: A Dual-Path Multimodal Language Model for UAV Reasoning Segmentation

CVPR 2026

Reasoning segmentation has recently expanded from ground-level scenes to remote-sensing imagery, yet UAV data poses distinct challenges, including oblique viewpoints, ultra-high resolutions, and extreme scale variations. To address these issues, we formally define the UAV Reasoning Segmentation task

Cited by 0SourcecodeScholar
2026

RIS-LAD: A Benchmark and Model for Referring Image Segmentation in Low-Altitude Drone Imagery

AAAI 2026technical

Referring Image Segmentation (RIS), which aims to segment specific objects based on natural language descriptions, plays an essential role in vision-language understanding. Despite its progress in remote sensing applications, RIS under Low-Altitude Drone (LAD) scenarios remains underexplored, as exi

Cited by 0SourcePDFScholar
2026

Robust Pseudo-Labeling via Decoupled Class-Aware Filtering and Dynamic Category Correction

AAAI 2026technical

Semi-Supervised Instance Segmentation (SSIS) involves classifying and grouping image pixels into distinct object instances using limited labeled data alongside large-scale unlabeled data. A major challenge in SSIS lies in the inherent noise of pseudo-labels, particularly when class and mask qualitie

Cited by 0SourcePDFScholar
2026

SEA-Vision: A Multilingual Benchmark for Comprehensive Document and Scene Text Understanding in Southeast Asia

CVPR 2026

Multilingual document and scene text understanding plays an important role in applications such as search, finance, and public services. However, most existing benchmarks focus on high-resource languages and fail to evaluate models in realistic multilingual environments. In Southeast Asia, the diver

Cited by 0SourcecodeScholar
2026

S²Teacher: Step-by-step Teacher for Sparsely Annotated Oriented Object Detection

AAAI 2026technical

Although fully-supervised oriented object detection has made significant progress in remote sensing image understanding, it comes at the cost of labor-intensive annotation. Recent studies have explored weakly and semi-supervised learning to alleviate this burden. However, these methods overlook the

Cited by 0SourcePDFScholar
2026

When Simple Problems Wear Complex Costumes: Improving Efficiency in LRM’s Adaptive Reasoning

ICML 2026poster

Recent Large Reasoning Models (LRMs) have demonstrated powerful multi-step problem-solving capabilities but often suffer from inefficiency due to an ``overthinking phenomenon", where they apply complex reasoning to simple tasks, resulting in unnecessary computational cost and latency. While adaptive…

Cited by 0SourceScholar
2025

DS-VLM: Diffusion Supervision Vision Language Model

ICML 2025poster

Vision-Language Models (VLMs) face two critical limitations in visual representation learning: degraded supervision due to information loss during gradient propagation, and the inherent semantic sparsity of textual supervision compared to visual data. We propose the Diffusion Supervision Vision-Lang…

Cited by 0SourcePDFScholar
2025

Discovering Important Experts for Mixture-of-Experts Models Pruning Through a Theoretical Perspective

NeurIPS 2025poster

Mixture-of-Experts (MoE) architectures enable efficient scaling of large language models but face prohibitive memory demands due to massive parameterization. Existing pruning methods rely on heuristic metrics or impractical enumeration of expert subsets, leading to suboptimal performance or scalabil…

Cited by 0SourceScholar
2025

Distilling Spatially-Heterogeneous Distortion Perception for Blind Image Quality Assessment

CVPR 2025poster

In the Blind Image Quality Assessment (BIQA) field, accurately assessing the quality of authentically distorted images presents a substantial challenge due to the diverse distortion types in natural settings. Existing state-of-the-art IQA methods mix a sequence of distortions into entire images to e…

Cited by 0SourcePDFScholar
2025

DuPI: Dual-resolution Pseudo-label Integration for Semi-supervised Instance Segmentation

ICASSP 2025accepted

The role of high-quality pseudo-labels is pivotal in semi-supervised instance segmentation (SSIS). However, existing SSIS frameworks predominantly produce pseudo-labels at a single resolution, which can introduce noise that adversely affects the quality of learning at both the pixel level and in ter…

Cited by 0SourceScholar
2025

ESCNet:Edge-Semantic Collaborative Network for Camouflaged Object Detection

ICCV 2025poster

Camouflaged object detection (COD) faces unique challenges where target boundaries are intrinsically ambiguous due to their textural similarity to backgrounds. Existing methods relying on single-modality features often produce fragmented predictions due to insufficient boundary constraints.To addres…

2025

Evolving High-Quality Rendering and Reconstruction in a Unified Framework with Contribution-Adaptive Regularization

CVPR 2025poster

Representing 3D scenes from multiview images is a core challenge in computer vision and graphics, which requires both precise rendering and accurate reconstruction. Recently, 3D Gaussian Splatting (3DGS) has garnered significant attention for its high-quality rendering and fast inference speed. Yet,…

Cited by 2SourcePDFScholar
2025

Few-Shot Image Quality Assessment via Adaptation of Vision-Language Models

ICCV 2025poster

Image Quality Assessment (IQA) remains an unresolved challenge in computer vision due to complex distortions, diverse image content, and limited data availability. Existing Blind IQA (BIQA) methods largely rely on extensive human annotations, which are labor-intensive and costly due to the demanding…

2025

FlexiReID: Adaptive Mixture of Expert for Multi-Modal Person Re-Identification

ICML 2025poster

Multimodal person re-identification (Re-ID) aims to match pedestrian images across different modalities. However, most existing methods focus on limited cross-modal settings and fail to support arbitrary query-retrieval combinations, hindering practical deployment. We propose FlexiReID, a flexible f…

Cited by 0SourcePDFScholar
2025

Inter2Former: Dynamic Hybrid Attention for Efficient High-Precision Interactive Segmentation

ICCV 2025poster

Interactive segmentation (IS) improves annotation efficiency by segmenting target regions from user prompts, with widespread applications in real-world scenarios. Current approaches face a critical trade-off: dense-token methods achieve superior accuracy and detail preservation but suffer from prohi…

Cited by 0SourcePDFScholar
2025

SCOUT: Semi-supervised Camouflaged Object Detection by Utilizing Text and Adaptive Data Selection

IJCAI 2025

The difficulty of pixel-level annotation has significantly hindered the development of the Camouflaged Object Detection (COD) field. To save on annotation costs, previous works leverage the semi-supervised COD framework that relies on a small number of labeled data and a large volume of unlabeled da

2025

TextRefiner: Internal Visual Feature as Efficient Refiner for Vision-Language Models Prompt Tuning

AAAI 2025technical

Despite the efficiency of prompt learning in transferring vision-language models (VLMs) to downstream tasks, existing methods mainly learn the prompts in a coarse-grained manner where the learned prompt vectors are shared across all categories. Consequently, the tailored prompts often fail to discer…

2025

U-SAM: Upgrade Segment Anything Model With Semantic-Aware and Memory-Efficient

ICASSP 2025accepted

Segment Anything Model (SAM) has achieved remarkable success in the field of class-agnostic image segmentation by utilizing points or boxes as prompts. However, we identify two significant limitations when compared to traditional image segmentation models: (1) Trained in a category-agnostic interact…

Cited by 0SourceScholar
2025

UCOD-DPL: Unsupervised Camouflaged Object Detection via Dynamic Pseudo-label Learning

CVPR 2025highlight

Unsupervised Camoflaged Object Detection (UCOD) has gained attention since it doesn't need to rely on extensive pixel-level labels. Existing UCOD methods typically generate pseudo-labels using fixed strategies and train 1 x1 convolutional layers as a simple decoder, leading to low performance compar…

2024

Attention Disturbance and Dual-Path Constraint Network for Occluded Person Re-identification

AAAI 2024technical

Occluded person re-identification (Re-ID) aims to address the potential occlusion problem when matching occluded or holistic pedestrians from different camera views. Many methods use the background as artificial occlusion and rely on attention networks to exclude noisy interference. However, the si…

Cited by 10SourcePDFScholar
2024

CamoTeacher: Dual-Rotation Consistency Learning for Semi-Supervised Camouflaged Object Detection

ECCV 2024poster

"Existing camouflaged object detection (COD) methods depend heavily on large-scale pixel-level annotations. However, acquiring such annotations is laborious due to the inherent camouflage characteristics of the objects. Semi-supervised learning offers a promising solution to this challenge. Yet, its…

Cited by 2SourcePDFScholar
2024

Director3D: Real-world Camera Trajectory and 3D Scene Generation from Text

NeurIPS 2024poster

Recent advancements in 3D generation have leveraged synthetic datasets with ground truth 3D assets and predefined camera trajectories. However, the potential of adopting real-world datasets, which can produce significantly more realistic 3D scenes, remains largely unexplored. In this work, we delve…

2024

Enhancing Tampered Text Detection through Frequency Feature Fusion and Decomposition

ECCV 2024poster

"Document image tampering poses a grave risk to the veracity of information, with potential consequences ranging from misinformation dissemination to financial and identity fraud. Current detection methods use frequency information to uncover tampering that is invisible to the naked eye. However, th…

2024

FocSAM: Delving Deeply into Focused Objects in Segmenting Anything

CVPR 2024poster

The Segment Anything Model (SAM) marks a notable milestone in segmentation models highlighted by its robust zero-shot capabilities and ability to handle diverse prompts. SAM follows a pipeline that separates interactive segmentation into image preprocessing through a large encoder and interactive in…

2024

Occluded Person Re-identification via Saliency-Guided Patch Transfer

AAAI 2024technical

While generic person re-identification has made remarkable improvement in recent years, these methods are designed under the assumption that the entire body of the person is available. This assumption brings about a significant performance degradation when suffering from occlusion caused by various…

Cited by 16SourcePDFScholar
2024

RepAn: Enhanced Annealing through Re-parameterization

CVPR 2024poster

The simulated annealing algorithm aims to improve model convergence through multiple restarts of training. However existing annealing algorithms overlook the correlation between different cycles neglecting the potential for incremental learning. We contend that a fixed network structure prevents the…

2024

Weakly Supervised Open-Vocabulary Object Detection

AAAI 2024technical

Despite weakly supervised object detection (WSOD) being a promising step toward evading strong instance-level annotations, its capability is confined to closed-set categories within a single training dataset. In this paper, we propose a novel weakly supervised open-vocabulary object detection framew…

Cited by 13SourcePDFScholar
2023

Attack Can Benefit: An Adversarial Approach to Recognizing Facial Expressions under Noisy Annotations

AAAI 2023technical

The real-world Facial Expression Recognition (FER) datasets usually exhibit complex scenarios with coupled noise annotations and imbalanced classes distribution, which undoubtedly impede the development of FER methods. To address the aforementioned issues, in this paper, we propose a novel and flexi…

Cited by 14SourcePDFScholar
2023

CANDY: Category-Kernelized Dynamic Convolution for Instance Segmentation

ICASSP 2023accepted

Instance segmentation has been dominated by the paradigm that predicts masks using local RoI features and simplicity frameworks based on global mask prediction. Despite the comparable performance between local-based and global-based approaches, the AP results of objects on different scales vary sign…

Cited by 0SourceScholar
2023

Category-aware Allocation Transformer for Weakly Supervised Object Localization

ICCV 2023poster

Weakly supervised object localization (WSOL) aims to localize objects based on only image-level labels as supervision. Recently, transformers have been introduced into WSOL, yielding impressive results. The self-attention mechanism and multilayer perceptron structure in transformers preserve long-ra…

Cited by 15PDFScholar
2023

DistilPose: Tokenized Pose Regression With Heatmap Distillation

CVPR 2023poster

In the field of human pose estimation, regression-based methods have been dominated in terms of speed, while heatmap-based methods are far ahead in terms of performance. How to take advantage of both schemes remains a challenging problem. In this paper, we propose a novel human pose estimation frame…

2023

InterFormer: Real-time Interactive Image Segmentation

ICCV 2023poster

Interactive image segmentation enables annotators to efficiently perform pixel-level annotation for segmentation tasks. However, the existing interactive segmentation pipeline suffers from inefficient computations of interactive models because of the following two issues. First, annotators' later cl…

Cited by 25PDFcodeScholar
2023

Practical Cross-System Shilling Attacks with Limited Access to Data

AAAI 2023technical

In shilling attacks, an adversarial party injects a few fake user profiles into a Recommender System (RS) so that the target item can be promoted or demoted. Although much effort has been devoted to developing shilling attack methods, we find that existing approaches are still far from practical. In…

2023

Pseudo-label Alignment for Semi-supervised Instance Segmentation

ICCV 2023poster

Pseudo-labeling is significant for semi-supervised instance segmentation, which generates instance masks and classes from unannotated images for subsequent training. However, in existing pipelines, pseudo-labels that contain valuable information may be directly filtered out due to mismatches in clas…

Cited by 22PDFcodeScholar
2023

Self-Paced Partial Domain-Aware Learning for Face Anti-Spoofing

ICASSP 2023accepted

With the widespread deployment of face authentication systems, domain generalization (DG) based face anti-spoofing (FAS) security approaches have drawn growing attention. Existing generalization-based methods always attempt to extract domain-invariant task information from data and eliminate domain-…

Cited by 0SourceScholar
2023

You Only Segment Once: Towards Real-Time Panoptic Segmentation

CVPR 2023poster

In this paper, we propose YOSO, a real-time panoptic segmentation framework. YOSO predicts masks via dynamic convolutions between panoptic kernels and image feature maps, in which you only need to segment once for both instance and semantic segmentation tasks. To reduce the computational overhead, w…

2022

ARM: Any-Time Super-Resolution Method

ECCV 2022poster

"This paper proposes an Any-time super-Resolution Method (ARM) to tackle the over-parameterized single image super-resolution (SISR) models. Our ARM is motivated by three observations: (1) The performance of different image patches varies with SISR networks of different sizes. (2) There is a tradeof…

2022

Active Teacher for Semi-Supervised Object Detection

CVPR 2022poster

In this paper, we study teacher-student learning from the perspective of data initialization and propose a novel algorithm called Active Teacher for semi-supervised object detection (SSOD). Active Teacher extends the teacher-student framework to an iterative version, where the label set is partially…

Cited by 93PDFcodeScholar
2022

GuidedMix-Net: Semi-supervised Semantic Segmentation by Using Labeled Images as Reference

AAAI 2022technical

Semi-supervised learning is a challenging problem which aims to construct a model by learning from limited labeled examples. Numerous methods for this task focus on utilizing the predictions of unlabeled instances consistency alone to regularize networks. However, treating labeled and unlabeled data…

Cited by 26SourcePDFScholar
2022

Knowledge Condensation Distillation

ECCV 2022poster

"Knowledge Distillation (KD) transfers the knowledge from a high-capacity teacher network to strengthen a smaller student. Existing methods focus on excavating the knowledge hints and transferring the whole knowledge to the student. However, the knowledge redundancy arises since the knowledge shows…

2022

LCTR: On Awakening the Local Continuity of Transformer for Weakly Supervised Object Localization

AAAI 2022technical

Weakly supervised object localization (WSOL) aims to learn object localizer solely by using image-level labels. The convolution neural network (CNN) based techniques often result in highlighting the most discriminative part of objects while ignoring the entire object extent. Recently, the transforme…

Cited by 57SourcePDFScholar
2022

Privacy-Preserving Face Recognition with Learnable Privacy Budgets in Frequency Domain

ECCV 2022poster

"Face recognition technology has been used in many fields due to its high recognition accuracy, including the face unlocking of mobile devices, community access control systems, and city surveillance. As the current high accuracy is guaranteed by very deep network structures, facial images often nee…

2022

SeqTR: A Simple Yet Universal Network for Visual Grounding

ECCV 2022poster

"In this paper, we propose a simple yet universal network termed SeqTR for visual grounding tasks, e.g., phrase localization, referring expression comprehension (REC) and segmentation (RES). The canonical paradigms for visual grounding often require substantial expertise in designing network archite…

2021

Architecture Disentanglement for Deep Neural Networks

ICCV 2021poster

Understanding the inner workings of deep neural networks (DNNs) is essential to provide trustworthy artificial intelligence techniques for practical applications. Existing studies typically involve linking semantic concepts to units or layers of DNNs, but fail to explain the inference process. In th…

Cited by 25PDFcodeScholar
2021

Dual-level Collaborative Transformer for Image Captioning

AAAI 2021technical

Descriptive region features extracted by object detection networks have played an important role in the recent advancements of image captioning. However, they are still criticized for the lack of contextual information and fine-grained details, which in contrast are the merits of traditional grid fe…

2021

EC-DARTS: Inducing Equalized and Consistent Optimization Into DARTS

ICCV 2021poster

Based on the relaxed search space, differential architecture search (DARTS) is efficient in searching for a high-performance architecture. However, the unbalanced competition among operations that have different trainable parameters causes the model collapse. Besides, the inconsistent structures in…

Cited by 9PDFcodeScholar
2021

Image-to-Image Translation via Hierarchical Style Disentanglement

CVPR 2021poster

Recently, image-to-image translation has made significant progress in achieving both multi-label (i.e., translation conditioned on different labels) and multi-style (i.e., generation with diverse styles) tasks. However, due to the unexplored independence and exclusiveness in the labels, existing end…

Cited by 159PDFcodeScholar
2021

Parallel Detection-and-Segmentation Learning for Weakly Supervised Instance Segmentation

ICCV 2021poster

Weakly supervised instance segmentation (WSIS) with only image-level labels has recently drawn much attention. To date, bottom-up WSIS methods refine discriminative cues from classifiers with sophisticated multi-stage training procedures, which also suffer from inconsistent object boundaries. And to…

Cited by 23PDFScholar
2021

SDD-FIQA: Unsupervised Face Image Quality Assessment With Similarity Distribution Distance

CVPR 2021poster

In recent years, Face Image Quality Assessment (FIQA) has become an indispensable part of the face recognition system to guarantee the stability and reliability of recognition performance in an unconstrained scenario. For this purpose, the FIQA method should consider both the intrinsic property and…

Cited by 140PDFcodeScholar
2021

Toward Joint Thing-and-Stuff Mining for Weakly Supervised Panoptic Segmentation

CVPR 2021poster

Panoptic segmentation aims to partition an image to object instances and semantic content for thing and stuff categories, respectively. To date, learning weakly supervised panoptic segmentation (WSPS) with only image-level labels remains unexplored. In this paper, we propose an efficient jointly thi…

Cited by 19PDFScholar
2020

API-Net: Robust Generative Classifier via a Single Discriminator

ECCV 2020poster

Robustness of deep neural network classifiers has been attracting increased attention. As for the robust classification problem, a generative classifier typically models the distribution of inputs and labels, and thus can better handle off-manifold examples at the cost of a concise structure. On the…

2020

Multi-Task Collaborative Network for Joint Referring Expression Comprehension and Segmentation

CVPR 2020oral

Referring expression comprehension (REC) and segmentation (RES) are two highly-related tasks, which both aim at identifying the referent according to a natural language expression. In this paper, we propose a novel Multi-task Collaborative Network (MCN) to achieve a joint learning of REC and RES for…

Cited by 348PDFcodeScholar
2019

Cyclic Guidance for Weakly Supervised Joint Detection and Segmentation

CVPR 2019poster

Weakly supervised learning has attracted growing research attention due to the significant saving in annotation cost for tasks that require intra-image annotations, such as object detection and semantic segmentation. To this end, existing weakly supervised object detection and semantic segmentation…

Cited by 142PDFcodeScholar
2019

Towards Cross-modality Topic Modelling via Deep Topical Correlation Analysis

ICASSP 2019accepted

The cross-modality topic detection in social media retains as an open problem mainly due to the difficulty of dealing with modality independence and modality missing. In this paper, we present a novel Deep Topical Correlation Analysis (DTCA) approach, which achieves robust and accurate topic detecti…

Cited by 0SourceScholar
2019

Towards Optimal Structured CNN Pruning via Generative Adversarial Learning

CVPR 2019poster

Structured pruning of filters or neurons has received increased focus for compressing convolutional neural networks. Most existing methods rely on multi-stage optimizations in a layer-wise manner for iteratively pruning and retraining which may not be optimal and may be computation intensive. Beside…

Cited by 712PDFcodeScholar
2015

Interactive on-device Mobile Landmark Recognition with compact binary codes

ICASSP 2015accepted

Interactive mobile vision applications, such as Mobile Landmark Recognition (MLR), have recently attracted ever increasing research attention due to the exponential growth of mobile devices. However, the recognition accuracy retains as a bottleneck hesitating the proliferation of such applications.…

Cited by 0SourceScholar