activity
20242026
collaborators

12 papers

cs.CV2026

PhysVR: Vision-Language Model Guided Interference-aware Temporal Feature Refinement for Remote Physiological Measurement

Zixu Li, Jianjun Qian, Hang Shao +3

Remote photoplethysmography (rPPG) enables contactless physiological measurement from facial videos, yet its subtle pulse-related variations are easily affected by illumination var…

cs.CV2026

PhysFlow: Frequency Decoupled with Dual-Field Rectified Flow for Remote Photoplethysmography

Zixu Li, jianjun Qian, Hang Shao +2

Remote Photoplethysmography (rPPG) enables contactless pulse estimation from facial videos, serving as a vital tool for health monitoring. However, current deep learning methods of…

cs.CV2026

ASGNet: Adaptive Spectrum Guidance Network for Automatic Polyp Segmentation

Yanguang Sun, Hengmin Zhang, Jianjun Qian +2

Early identification and removal of polyps can reduce the risk of developing colorectal cancer. However, the diverse morphologies, complex backgrounds and often concealed nature of…

cs.CV2026

Small but Mighty: Dynamic Wavelet Expert-Guided Fine-Tuning of Large-Scale Models for Optical Remote Sensing Object Segmentation

Yanguang Sun, Chao Wang, Jian Yang +1

Accurately localizing and segmenting relevant objects from optical remote sensing images (ORSIs) is critical for advancing remote sensing applications. Existing methods are typical…

cs.CV2025

Controllable-LPMoE: Adapting to Challenging Object Segmentation via Dynamic Local Priors from Mixture-of-Experts

Yanguang Sun, Jiawei Lian, Jian Yang +1

Large-scale foundation models provide powerful feature representations for downstream object segmentation tasks. However, when adapted to specific tasks through the full-parameter…

cs.CV2025

Straighten Viscous Rectified Flow via Noise Optimization

Jimin Dai, Jiexi Yan, Jian Yang +1

The Reflow operation aims to straighten the inference trajectories of the rectified flow during training by constructing deterministic couplings between noises and images, thereby…

cs.CV2025

Dual-Perspective United Transformer for Object Segmentation in Optical Remote Sensing Images

Yanguang Sun, Jiexi Yan, Jianjun Qian +3

Automatically segmenting objects from optical remote sensing images (ORSIs) is an important task. Most existing models are primarily based on either convolutional or Transformer fe…

cs.CV2025

M4-SAR: A Multi-Resolution, Multi-Polarization, Multi-Scene, Multi-Source Dataset and Benchmark for optical-SAR Object Detection

Chao Wang, Wei Lu, Xiang Li +2

Single-source remote sensing object detection using optical or SAR images struggles in complex environments. Optical images offer rich textural details but are often affected by lo…

cs.CV2025

Remote Photoplethysmography in Real-World and Extreme Lighting Scenarios

Hang Shao, Lei Luo, Jianjun Qian +3

Physiological activities can be manifested by the sensitive changes in facial imaging. While they are barely observable to our eyes, computer vision manners can, and the derived re…

cs.LG2024

Towards Better Spherical Sliced-Wasserstein Distance Learning with Data-Adaptive Discriminative Projection Direction

Hongliang Zhang, Shuo Chen, Lei Luo +1

Spherical Sliced-Wasserstein (SSW) has recently been proposed to measure the discrepancy between spherical data distributions in various fields, such as geology, medical domains, c…

cs.CV2024

United Domain Cognition Network for Salient Object Detection in Optical Remote Sensing Images

Yanguang Sun, Jian Yang, Lei Luo

Recently, deep learning-based salient object detection (SOD) in optical remote sensing images (ORSIs) have achieved significant breakthroughs. We observe that existing ORSIs-SOD me…

cs.CV2024

ERDDCI: Exact Reversible Diffusion via Dual-Chain Inversion for High-Quality Image Editing

Jimin Dai, Yingzhen Zhang, Shuo Chen +2

Diffusion models (DMs) have been successfully applied to real image editing. These models typically invert images into latent noise vectors used to reconstruct the original images…