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Xiangtai Li

82 accepted papers

2026

AirSim360: A Panoramic Simulation Platform within Drone View

CVPR 2026

The field of 360-degree omnidirectional understanding has been receiving increasing attention for advancing spatial intelligence. However, the lack of large-scale and diverse data remains a major limitation. In this work, we propose AirSim360, a simulation platform for omnidirectional data from aeri

Cited by 0SourcecodeScholar
2026

Benchmarking and Evolving Reason-Reflect-Rectify for Reflective Visual Generation

ICML 2026poster

Text-to-Image (T2I) models and Unified Multimodal Models (UMMs) have achieved remarkable progress in visual generation. However, their reliance on a single-pass generation paradigm limits their ability to handle complex prompts requiring iterative refinement. To enable multi-round Reflective Visual …

Cited by 0SourceScholar
2026

Beyond Text-to-Image: Liberating Generation with a Unified Discrete Diffusion Model

ICLR 2026poster

Autoregressive unified models suffer from slow inference due to sequential decoding, and non-autoregressive unified models suffer from weak generalization due to limited pretrained backbones. We introduce Muddit, a unified discrete diffusion transformer that enables fast and parallel generation acro…

Cited by 0SourcecodeScholar
2026

D$^2$GS: Depth-and-Density Guided Gaussian Splatting for Stable and Accurate Sparse-View Reconstruction

ICLR 2026poster

Recent advances in 3D Gaussian Splatting (3DGS) enable real-time, high-fidelity novel view synthesis (NVS) with explicit 3D representations. However, performance degradation and instability remain significant under sparse-view conditions. In this work, we identify two key failure modes under sparse-…

Cited by 0SourcecodeScholar
2026

DiffDecompose: Layer-Wise Decomposition of Alpha-Composited Images via Diffusion Transformers

CVPR 2026

Diffusion models have recently motivated great success in many generation tasks like object removal. Nevertheless, existing image decomposition methods struggle to disentangle semi-transparent or transparent layer occlusions due to mask prior dependencies, static object assumptions, and the lack of

Cited by 0SourcecodeScholar
2026

Don't Overthink with Pixels: Efficient Reasoning for Segmentation

ICML 2026poster

Existing reasoning segmentation approaches typically fine-tune multimodal large language models (MLLMs) using image-text pairs and corresponding mask labels. While recent efforts leverage reinforcement fine-tuning to further enhance reasoning ability, they often suffer from overthinking and produce …

Cited by 0SourceScholar
2026

EditMGT: Unleashing Potentials of Masked Generative Transformers in Image Editing

CVPR 2026

Recent advances in diffusion models (DMs) have achieved exceptional visual quality in image editing tasks. However, the global denoising dynamics of DMs inherently conflate local editing targets with the full-image context, leading to unintended modifications in non-target regions. In this paper, we

Cited by 0SourcecodeScholar
2026

Efficient Test-Time Scaling via Hierarchical Search and Self-Verification for Discrete Diffusion Language Models

ICML 2026poster

Inference-time compute has re-emerged as a practical way to improve LLM reasoning. Most test-time scaling (TTS) algorithms rely on autoregressive decoding, which is ill-suited to discrete diffusion language models (dLLMs) due to their parallel decoding over the entire sequence. As a result, developi…

Cited by 0SourceScholar
2026

Grasp Any Region: Prompting MLLM to Understand the Dense World

ICLR 2026poster

While Multimodal Large Language Models (MLLMs) excel at holistic understanding, they struggle with the dense world, i.e., complex scenes requiring fine-grained analysis of intricate details and object inter-relationships. Region-level MLLMs have been a promising step. However, previous attempts are…

Cited by 0SourcecodeScholar
2026

Omni-Fake: Benchmarking Unified Multimodal Social Media Deepfake Detection

CVPR 2026

Multimodal Deepfakes proliferating on social media threaten authenticity, information integrity, and digital forensics. Existing benchmarks are constrained by their single-modality scope, simplified manipulations, or unrealistic distributions, which limit their ability to assess real-world robustnes

Cited by 0SourceScholar
2026

Open-o3-Video: Grounded Video Reasoning with Explicit Spatio-Temporal Evidence

ICML 2026poster

Most video reasoning models only generate textual reasoning traces without indicating when and where key evidence appears. Recent models such as OpenAI-o3 have sparked wide interest in evidence-centered reasoning for images, yet extending this ability to videos is more challenging due to the need fo…

Cited by 43SourceScholar
2026

Parallel Multimodal Diffusion Language Models for Thinking-Aware Editing and Generation

ICLR 2026poster

While thinking-aware generation aims to improve performance on complex tasks, we identify a critical failure mode where existing sequential, autoregressive approaches can paradoxically degrade performance due to error propagation. To systematically analyze this issue, we propose ParaBench, a new be…

Cited by 0SourcecodeScholar
2026

PointDGRWKV: Generalizing RWKV-like Architecture to Unseen Domains for Point Cloud Classification

AAAI 2026technical

Domain Generalization (DG) has been recently explored to enhance the generalizability of Point Cloud Classification (PCC) models toward unseen domains. Prior works are based on convolutional networks, Transformer or Mamba architectures, either suffering from limited receptive fields or high computat

Cited by 0SourcePDFScholar
2026

Reasoning to Edit: Hypothetical Instruction-Based Image Editing with Visual Reasoning

ICML 2026poster

Instruction-based image editing (IIE) has advanced rapidly with the success of diffusion models. However, existing efforts primarily focus on simple and explicit instructions to execute editing operations such as adding, deleting, moving, or swapping objects. They struggle to handle more complex imp…

Cited by 0SourceScholar
2026

RecTok: Reconstruction Distillation along Rectified Flow

CVPR 2026

Visual tokenizers play a crucial role in diffusion models. The dimensionality of latent space governs both reconstruction fidelity and the semantic expressiveness of the latent feature. However, a fundamental trade-off is inherent between dimensionality and generation quality, constraining existing

Cited by 0SourceScholar
2026

Recover to Predict: Progressive Retrospective Learning for Variable-Length Trajectory Prediction

CVPR 2026

Trajectory prediction is critical for autonomous driving, enabling safe and efficient planning in dense, dynamic traffic. Most existing methods optimize prediction accuracy under fixed-length observations. However, real-world driving often yields variable-length, incomplete observations, posing a ch

Cited by 0SourcecodeScholar
2026

SAMTok: Representing Any Mask with Two Words

CVPR 2026

Pixel-wise capabilities are essential for building interactive intelligent systems. However, pixel-wise multi-modal LLMs (MLLMs) remain difficult to scale due to complex region-level encoders, specialized segmentation decoders, and incompatible training objectives. To address these challenges, we pr

Cited by 0SourcecodeScholar
2026

Synergizing Understanding and Generation with Interleaved Analyzing-Drafting Thinking

ICLR 2026poster

Unified Vision–Language Models (UVLMs) aim to advance multimodal learning by supporting both understanding and generation within a single framework. However, existing approaches largely focus on architectural unification while overlooking the need for explicit interaction between the two capabilitie…

Cited by 0SourceScholar
2026

Threshold-Guided Optimization for Visual Generative Models

ICML 2026poster

Aligning large visual generative models with human feedback is often performed through pairwise preference optimization. While such approaches are conceptually simple, they fundamentally rely on annotated pairs, limiting scalability in settings where feedback is collected as independent scalar ratin…

Cited by 0SourceScholar
2026

Traceable Evidence Enhanced Visual Grounded Reasoning: Evaluation and Method

ICLR 2026poster

Models like OpenAI-o3 pioneer visual grounded reasoning by dynamically ref- erencing visual regions, just like human “thinking with images”. However, no benchmark exists to evaluate these capabilities holistically. To bridge this gap, we propose TreeBench (Traceable Evidence Evaluation Benchmark), a…

Cited by 58SourcecodeScholar
2026

Transform Trained Transformer for Accelerating Native 4K Video Generation

ICML 2026poster

Native 4K (2176$\times$3840) video generation remains a critical challenge due to the quadratic computational explosion of full-attention as spatiotemporal resolution increases, making it difficult for models to strike a balance between efficiency and quality. This paper proposes a novel Transformer…

Cited by 0SourceScholar
2026

WorldLens: Full-Spectrum Evaluations of Driving World Models in Real World

CVPR 2026

Generative world models are reshaping embodied AI, enabling agents to synthesize realistic 4D driving environments that look convincing but often fail physically or behaviorally. Despite rapid progress, the field still lacks a unified way to assess whether generated worlds preserve geometry, obey ph

Cited by 0SourcecodeScholar
2025

AdaVideoRAG: Omni-Contextual Adaptive Retrieval-Augmented Efficient Long Video Understanding

NeurIPS 2025poster

Multimodal Large Language Models (MLLMs) have demonstrated excellent performance in video understanding but suffer from degraded effectiveness when processing long videos due to fixed-length contexts and weaknesses in modeling long-term dependencies. Retrieval-Augmented Generation (RAG) technology c…

Cited by 0SourcecodeScholar
2025

Are They the Same? Exploring Visual Correspondence Shortcomings of Multimodal LLMs

ICCV 2025poster

Recent advancements in multimodal large language models (MLLM) have shown a strong ability in visual perception, reasoning abilities, and vision-language understanding. However, the visual matching ability of MLLMs is rarely studied, despite finding the visual correspondence of objects is essential…

2025

Auto Cherry-Picker: Learning from High-quality Generative Data Driven by Language

CVPR 2025poster

Diffusion models can generate realistic and diverse images, potentially facilitating data availability for data-intensive perception tasks. However, leveraging these models to boost performance on downstream tasks with synthetic data poses several challenges, including aligning with real data distri…

Cited by 2SourcePDFScholar
2025

Both Ears Wide Open: Towards Language-Driven Spatial Audio Generation

ICLR 2025spotlight

Recently, diffusion models have achieved great success in mono-channel audio generation. However, when it comes to stereo audio generation, the soundscapes often have a complex scene of multiple objects and directions. Controlling stereo audio with spatial contexts remains challenging due to high da…

Cited by 2SourcePDFScholar
2025

Conditional Panoramic Image Generation via Masked Autoregressive Modeling

NeurIPS 2025poster

Recent progress in panoramic image generation has underscored two critical limitations in existing approaches. First, most methods are built upon diffusion models, which are inherently ill-suited for equirectangular projection (ERP) panoramas due to the violation of the identically and independently…

Cited by 0SourceScholar
2025

Decouple and Track: Benchmarking and Improving Video Diffusion Transformers For Motion Transfer

ICCV 2025poster

The motion transfer task aims to transfer motion from a source video to newly generated videos, requiring the model to decouple motion from appearance. Previous diffusion-based methods primarily rely on separate spatial and temporal attention mechanisms within the 3D U-Net. In contrast, state-of-the…

Cited by 0SourcePDFScholar
2025

DiffSensei: Bridging Multi-Modal LLMs and Diffusion Models for Customized Manga Generation

CVPR 2025poster

Story visualization, the task of creating visual narratives from textual descriptions, has seen progress with text-to-image generation models. However, these models often lack effective control over character appearances and interactions, particularly in multi-character scenes. To address these limi…

Cited by 4SourcePDFScholar
2025

DreamRelation: Bridging Customization and Relation Generation

CVPR 2025poster

Customized image generation is essential for delivering personalized content based on user-provided prompts, enabling large-scale text-to-image diffusion models to better align with individual needs. However, existing models often neglect the relationships between customized objects in generated ima…

Cited by 1SourcePDFScholar
2025

Explore In-Context Segmentation via Latent Diffusion Models

AAAI 2025technical

In-context segmentation has drawn increasing attention with the advent of vision foundation models. Its goal is to segment objects using given reference images. Most existing approaches adopt metric learning or masked image modeling to build the correlation between visual prompts and input image que…

Cited by 10SourcePDFScholar
2025

Learning 4D Panoptic Scene Graph Generation from Rich 2D Visual Scene

CVPR 2025highlight

The latest emerged 4D Panoptic Scene Graph (4D-PSG) provides an advanced-ever representation for comprehensively modeling the dynamic 4D visual real world. Unfortunately, current pioneering 4D-PSG research can largely suffer from data scarcity issues severely, as well as the resulting out-of-vocabul…

Cited by 0SourcePDFScholar
2025

MERIT: Multilingual Semantic Retrieval with Interleaved Multi-Condition Query

NeurIPS 2025poster

Semantic retrieval is crucial for modern applications yet remains underexplored in current research. Existing datasets are limited to single languages, single images, or singular retrieval conditions, often failing to fully exploit the expressive capacity of visual information as evidenced by maint…

Cited by 0SourcecodeScholar
2025

Meissonic: Revitalizing Masked Generative Transformers for Efficient High-Resolution Text-to-Image Synthesis

ICLR 2025poster

We present Meissonic, which elevates non-autoregressive text-to-image Masked Image Modeling (MIM) to a level comparable with state-of-the-art diffusion models like SDXL. By incorporating a comprehensive suite of architectural innovations, advanced positional encoding strategies, and optimized sampli…

2025

OmniAudio: Generating Spatial Audio from 360-Degree Video

ICML 2025poster

Traditional video-to-audio generation techniques primarily focus on perspective video and non-spatial audio, often missing the spatial cues necessary for accurately representing sound sources in 3D environments. To address this limitation, we introduce a novel task, \textbf{360V2SA}, to generate spa…

2025

On Path to Multimodal Generalist: General-Level and General-Bench

ICML 2025oral

The Multimodal Large Language Model (MLLM) is currently experiencing rapid growth, driven by the advanced capabilities of language-based LLMs. Unlike their specialist predecessors, existing MLLMs are evolving towards a Multimodal Generalist paradigm. Initially limited to understanding multiple mod…

Cited by 0SourcePDFScholar
2025

Point Cloud Mamba: Point Cloud Learning via State Space Model

AAAI 2025technical

Recently, state space models have exhibited strong global modeling capabilities and linear computational complexity in contrast to transformers. This research focuses on applying such architecture to more efficiently and effectively model point cloud data globally with linear computational complexit…

2025

PointDGMamba: Domain Generalization of Point Cloud Classification via Generalized State Space Model

AAAI 2025technical

Domain Generalization (DG) has been recently explored to improve the generalizability of point cloud classification (PCC) models toward unseen domains. However, they often suffer from limited receptive fields or quadratic complexity due to the use of convolution neural networks or vision Transformer…

2025

PointRWKV: Efficient RWKV-Like Model for Hierarchical Point Cloud Learning

AAAI 2025technical

Transformers have revolutionized the point cloud learning task, but the quadratic complexity hinders its extension to long sequence and makes a burden on limited computational resources. The recent advent of RWKV, a fresh breed of deep sequence models, has shown immense potential for sequence modeli…

Cited by 14SourcePDFScholar
2025

QK-Edit: Revisiting Attention-based Injection in MM-DiT for Image and Video Editing

ICCV 2025poster

Multimodal Diffusion Transformers (MM-DiTs) have recently emerged as a powerful framework for unified text-vision synthesis, surpassing traditional U-Net architectures in generative tasks. One key innovation lies in its Multimodal Self-Attention (MM-SA) interaction where image and text tokens are co…

2025

RMP-SAM: Towards Real-Time Multi-Purpose Segment Anything

ICLR 2025oral

Recent segmentation methods, which adopt large-scale data training and transformer architecture, aim to create one foundation model that can perform multiple tasks. However, most of these methods rely on heavy encoder and decoder frameworks, hindering their performance in real-time scenarios.…

2025

RobuRCDet: Enhancing Robustness of Radar-Camera Fusion in Bird's Eye View for 3D Object Detection

ICLR 2025poster

While recent low-cost radar-camera approaches have shown promising results in multi-modal 3D object detection, both sensors face challenges from environmen- tal and intrinsic disturbances. Poor lighting or adverse weather conditions de- grade camera performance, while radar suffers from noise and po…

Cited by 1SourcePDFScholar
2025

SIDA: Social Media Image Deepfake Detection, Localization and Explanation with Large Multimodal Model

CVPR 2025poster

The rapid advancement of generative models in creating highly realistic images poses substantial risks for misinformation dissemination. For instance, a synthetic image, when shared on social media, can mislead extensive audiences and erode trust in digital content, resulting in severe repercussions…

Cited by 10SourcePDFScholar
2025

The Scalability of Simplicity: Empirical Analysis of Vision-Language Learning with a Single Transformer

ICCV 2025poster

This paper introduces SAIL, a single transformer unified multimodal large language model (MLLM) that integrates raw pixel encoding and language decoding within a singular architecture. Unlike existing modular MLLMs, which rely on a pre-trained vision transformer (ViT), SAIL eliminates the need for a…

2025

Three-Dimensional Trajectory Prediction with 3DMoTraj Dataset

ICML 2025poster

With the growing interest in embodied and spatial intelligence, accurately predicting trajectories in 3D environments has become increasingly critical. However, no datasets have been explicitly designed to study 3D trajectory prediction. To this end, we contribute a 3D motion trajectory (3DMoTraj) d…

2025

Towards Semantic Equivalence of Tokenization in Multimodal LLM

ICLR 2025poster

Multimodal Large Language Models (MLLMs) have demonstrated exceptional capabilities in processing vision-language tasks. One of the crux of MLLMs lies in vision tokenization, which involves efficiently transforming input visual signals into feature representations that are most beneficial for LLMs.…

Cited by 59SourcePDFScholar
2025

UltraVideo: High-Quality UHD Video Dataset with Comprehensive Captions

NeurIPS 2025poster

The quality of the video dataset (image quality, resolution, and fine-grained caption) greatly influences the performance of the video generation model. % The growing demand for video applications sets higher requirements for high-quality video generation models. % For example, the generation of m…

Cited by 0SourcecodeScholar
2025

Unified Dense Prediction of Video Diffusion

CVPR 2025poster

We present a unified network for simultaneously generating videos and their corresponding entity segmentation and depth maps from text prompts. We utilize colormap to represent entity masks and depth maps, tightly integrating dense prediction with RGB video generation. Introducing dense prediction i…

Cited by 0SourcePDFScholar
2025

VimoRAG: Video-based Retrieval-augmented 3D Motion Generation for Motion Language Models

NeurIPS 2025poster

This paper introduces **VimoRAG**, a novel video-based retrieval-augmented motion generation framework for motion large language models (LLMs). As motion LLMs face severe out-of-domain/out-of-vocabulary issues due to limited annotated data, **VimoRAG** leverages large-scale in-the-wild video databa…

Cited by 0SourceScholar
2024

BA-SAM: Scalable Bias-Mode Attention Mask for Segment Anything Model

CVPR 2024poster

In this paper we address the challenge of image resolution variation for the Segment Anything Model (SAM). SAM known for its zero-shot generalizability exhibits a performance degradation when faced with datasets with varying image sizes. Previous approaches tend to resize the image to a fixed size o…

Cited by 20SourcePDFScholar
2024

CLIPSelf: Vision Transformer Distills Itself for Open-Vocabulary Dense Prediction

ICLR 2024spotlight

Open-vocabulary dense prediction tasks including object detection and image segmentation have been advanced by the success of Contrastive Language-Image Pre-training (CLIP). CLIP models, particularly those incorporating vision transformers (ViTs), have exhibited remarkable generalization ability in…

2024

Face Adapter for Pre-Trained Diffusion Models with Fine-Grained ID and Attribute Control

ECCV 2024poster

"Current face reenactment and swapping methods mainly rely on GAN frameworks, but recent focus has shifted to pre-trained diffusion models for their superior generation capabilities. However, training these models is resource-intensive, and the results have not yet achieved satisfactory performance…

Cited by 27SourcePDFScholar
2024

GenView: Enhancing View Quality with Pretrained Generative Model for Self-Supervised Learning

ECCV 2024poster

"Self-supervised learning has achieved remarkable success in acquiring high-quality representations from unlabeled data. The widely adopted contrastive learning framework aims to learn invariant representations by minimizing the distance between positive views originating from the same image. Howeve…

2024

MambaAD: Exploring State Space Models for Multi-class Unsupervised Anomaly Detection

NeurIPS 2024poster

Recent advancements in anomaly detection have seen the efficacy of CNN- and transformer-based approaches. However, CNNs struggle with long-range dependencies, while transformers are burdened by quadratic computational complexity. Mamba-based models, with their superior long-range modeling and linear…

2024

MotionBooth: Motion-Aware Customized Text-to-Video Generation

NeurIPS 2024spotlight

In this work, we present MotionBooth, an innovative framework designed for animating customized subjects with precise control over both object and camera movements. By leveraging a few images of a specific object, we efficiently fine-tune a text-to-video model to capture the object's shape and attri…

Cited by 34SourcePDFScholar
2024

OMG-LLaVA: Bridging Image-level, Object-level, Pixel-level Reasoning and Understanding

NeurIPS 2024poster

Current universal segmentation methods demonstrate strong capabilities in pixel-level image and video understanding. However, they lack reasoning abilities and cannot be controlled via text instructions. In contrast, large vision-language multimodal models exhibit powerful vision-based conversation…

Cited by 47SourcePDFScholar
2024

OMG-Seg: Is One Model Good Enough For All Segmentation?

CVPR 2024poster

In this work we address various segmentation tasks each traditionally tackled by distinct or partially unified models. We propose OMG-Seg One Model that is Good enough to efficiently and effectively handle all the segmentation tasks including image semantic instance and panoptic segmentation as well…

2024

RTMO: Towards High-Performance One-Stage Real-Time Multi-Person Pose Estimation

CVPR 2024poster

Real-time multi-person pose estimation presents significant challenges in balancing speed and precision. While two-stage top-down methods slow down as the number of people in the image increases existing one-stage methods often fail to simultaneously deliver high accuracy and real-time performance.…

2024

Referring Image Editing: Object-level Image Editing via Referring Expressions

CVPR 2024poster

Significant advancements have been made in image editing with the recent advance of the Diffusion model. However most of the current methods primarily focus on global or subject-level modifications and often face limitations when it comes to editing specific objects when there are other objects coex…

Cited by 14SourcePDFScholar
2024

SemFlow: Binding Semantic Segmentation and Image Synthesis via Rectified Flow

NeurIPS 2024poster

Semantic segmentation and semantic image synthesis are two representative tasks in visual perception and generation. While existing methods consider them as two distinct tasks, we propose a unified framework (SemFlow) and model them as a pair of reverse problems. Specifically, motivated by rectified…

2024

Synergistic Dual Spatial-aware Generation of Image-to-text and Text-to-image

NeurIPS 2024poster

In the visual spatial understanding (VSU) field, spatial image-to-text (SI2T) and spatial text-to-image (ST2I) are two fundamental tasks that appear in dual form. Existing methods for standalone SI2T or ST2I perform imperfectly in spatial understanding, due to the difficulty of 3D-wise spatial featu…

Cited by 0SourcePDFScholar
2024

Towards Language-Driven Video Inpainting via Multimodal Large Language Models

CVPR 2024poster

We introduce a new task -- language-driven video inpainting which uses natural language instructions to guide the inpainting process. This approach overcomes the limitations of traditional video inpainting methods that depend on manually labeled binary masks a process often tedious and labor-intensi…

2024

VG4D: Vision-Language Model Goes 4D Video Recognition

ICRA 2024poster

Understanding the real world through point cloud video is a crucial aspect of robotics and autonomous driving systems. However, prevailing methods for 4D point cloud recognition have limitations due to sensor resolution, which leads to a lack of detailed information. Recent advances have shown that…

Cited by 9SourcecodeScholar
2023

4D Panoptic Scene Graph Generation

NeurIPS 2023spotlight

We are living in a three-dimensional space while moving forward through a fourth dimension: time. To allow artificial intelligence to develop a comprehensive understanding of such a 4D environment, we introduce **4D Panoptic Scene Graph (PSG-4D)**, a new representation that bridges the raw visual da…

Cited by 16SourcePDFScholar
2023

Betrayed by Captions: Joint Caption Grounding and Generation for Open Vocabulary Instance Segmentation

ICCV 2023poster

In this work, we focus on open vocabulary instance segmentation to expand a segmentation model to classify and segment instance-level novel categories. Previous approaches have relied on massive caption datasets and complex pipelines to establish one-to-one mappings between image regions and words i…

Cited by 36PDFcodeScholar
2023

Explore In-Context Learning for 3D Point Cloud Understanding

NeurIPS 2023spotlight

With the rise of large-scale models trained on broad data, in-context learning has become a new learning paradigm that has demonstrated significant potential in natural language processing and computer vision tasks. Meanwhile, in-context learning is still largely unexplored in the 3D point cloud dom…

2023

Neural Collapse Inspired Feature-Classifier Alignment for Few-Shot Class-Incremental Learning

ICLR 2023top-25%

Few-shot class-incremental learning (FSCIL) has been a challenging problem as only a few training samples are accessible for each novel class in the new sessions. Finetuning the backbone or adjusting the classifier prototypes trained in the prior sessions would inevitably cause a misalignment betwee…

2023

Panoptic Video Scene Graph Generation

CVPR 2023poster

Towards building comprehensive real-world visual perception systems, we propose and study a new problem called panoptic scene graph generation (PVSG). PVSG is related to the existing video scene graph generation (VidSGG) problem, which focuses on temporal interactions between humans and objects loca…

2023

Rethinking Mobile Block for Efficient Attention-based Models

ICCV 2023poster

This paper focuses on developing modern, efficient, lightweight models for dense predictions while trading off parameters, FLOPs, and performance. Inverted Residual Block (IRB) serves as the infrastructure for lightweight CNNs, but no counterpart has been recognized by attention-based studies. This…

Cited by 180PDFcodeScholar
2023

Tube-Link: A Flexible Cross Tube Framework for Universal Video Segmentation

ICCV 2023poster

Video segmentation aims to segment and track every pixel in diverse scenarios accurately. In this paper, we present Tube-Link, a versatile framework that addresses multiple core tasks of video segmentation with a unified architecture. Our framework is a near-online approach that takes a short subcli…

Cited by 56PDFcodeScholar
2022

"Fashionformer: A Simple, Effective and Unified Baseline for Human Fashion Segmentation and Recognition"

ECCV 2022poster

"Human fashion understanding is one important computer vision task since it has the comprehensive information for real-world applications. In this work, we focus on joint human fashion segmentation and attribute recognition. Contrary to the previous works that separately model each task as a multi-h…

2022

Inducing Neural Collapse in Imbalanced Learning: Do We Really Need a Learnable Classifier at the End of Deep Neural Network?

NeurIPS 2022accept

Modern deep neural networks for classification usually jointly learn a backbone for representation and a linear classifier to output the logit of each class. A recent study has shown a phenomenon called neural collapse that the within-class means of features and the classifier vectors converge to th…

2022

Panoptic-PartFormer: Learning a Unified Model for Panoptic Part Segmentation

ECCV 2022poster

"Panoptic Part Segmentation (PPS) aims to unify panoptic segmentation and part segmentation into one task. Previous work mainly utilizes separated approaches to handle thing, stuff, and part predictions individually without performing any shared computation and task association. In this work, we aim…

2022

PolyphonicFormer: Unified Query Learning for Depth-Aware Video Panoptic Segmentation

ECCV 2022poster

"The Depth-aware Video Panoptic Segmentation (DVPS) is a new challenging vision problem that aims to predict panoptic segmentation and depth in a video simultaneously. The previous work solves this task by extending the existing panoptic segmentation method with an extra dense depth prediction and i…

2022

Video K-Net: A Simple, Strong, and Unified Baseline for Video Segmentation

CVPR 2022oral

This paper presents Video K-Net, a simple, strong, and unified framework for fully end-to-end video panoptic segmentation. The method is built upon K-Net, a method that unifies image segmentation via a group of learnable kernels. We observe that these learnable kernels from K-Net, which encode objec…

Cited by 107PDFcodeScholar
2021

Enhanced Boundary Learning for Glass-Like Object Segmentation

ICCV 2021poster

Glass-like objects such as windows, bottles, and mirrors exist widely in the real world. Sensing these objects has many applications, including robot navigation and grasping. However, this task is very challenging due to the arbitrary scenes behind glass-like objects. This paper aims to solve the gl…

Cited by 106PDFcodeScholar
2021

Involution: Inverting the Inherence of Convolution for Visual Recognition

CVPR 2021poster

Convolution has been the core ingredient of modern neural networks, triggering the surge of deep learning in vision. In this work, we rethink the inherent principles of standard convolution for vision tasks, specifically spatial-agnostic and channel-specific. Instead, we present a novel atomic opera…

Cited by 468PDFcodeScholar
2021

PointFlow: Flowing Semantics Through Points for Aerial Image Segmentation

CVPR 2021poster

Aerial Image Segmentation is a particular semantic segmentation problem and has several challenging characteristics that general semantic segmentation does not have. There are two critical issues: The one is an extremely foreground-background imbalanced distribution and the other is multiple small o…

Cited by 133PDFcodeScholar
2020

Improving Semantic Segmentation via Decoupled Body and Edge Supervision

ECCV 2020poster

the global context, or refine objects detail along their boundaries by multi-scale feature fusion. In this paper, a new paradigm for semantic segmentation is proposed. Our insight is that appealing performance of semantic segmentation requires extit{explicitly} modeling the object extit{body} and ex…

2020

Semantic Flow for Fast and Accurate Scene Parsing

ECCV 2020poster

In this paper, we focus on designing effective method for fast and accurate scene parsing. A common practice to improve the performance is to attain high resolution feature maps with strong semantic representation. Two strategies are widely used---atrous convolutions and feature pyramid fusion, are…