Publications (30)
CompareBench: A Benchmark for Visual Comparison Reasoning in Vision-Language Models
Jie Cai, Kangning Yang, Lan Fu +6
We introduce CompareBench, a benchmark for evaluating visual comparison reasoning in vision-language models (VLMs), a fundamental yet understudied skill. CompareBench consists of 1…
Pushing limits of photovoltaics and photodetection using radial junction nanowire devices
Vidur Raj, Yi Zhu, Kaushal Vora +3
Nanowire devices have long been proposed as an efficient alternative to their planar counterparts for different optoelectronic applications. Unfortunately, challenges related to th…
Auto-Exposure Fusion for Single-Image Shadow Removal
Lan Fu, Changqing Zhou, Qing Guo +5
Shadow removal is still a challenging task due to its inherent background-dependent and spatial-variant properties, leading to unknown and diverse shadow patterns. Even powerful st…
Liquid Metal-Exfoliated SnO-Based Mixed-dimensional Heterostructures for Visible-to-Near-Infrared Photodetection
Shimul Kanti Nath, Nitu Syed, Wenwu Pan +13
Ultra-thin two-dimensional (2D) materials have gained significant attention for making next-generation optoelectronic devices. Here, we report a large-area heterojunction photodete…
VIP: Video Inpainting Pipeline for Real World Human Removal
Huiming Sun, Yikang Li, Kangning Yang +11
Inpainting for real-world human and pedestrian removal in high-resolution video clips presents significant challenges, particularly in achieving high-quality outcomes, ensuring tem…
Impact of Land Use on the DOM Composition in Different Seasons in a Subtropical River Flowing through the Region Undergoing Rapid Urbanization
Qi Liu, Yuan Jiang, Zhaojiang Hou +4
The dissolved organic matter (DOM) composition in river ecosystems could reflect the human impacts on the river ecosystem, and plays an important role in the carbon cycling process…
Self-powered InP Nanowire Photodetector for Single Photon Level Detection at Room Temperature
Yi Zhu, Vidur Raj, Ziyuan Li +3
Highly sensitive photodetectors with single photon level detection is one of the key components to a range of emerging technologies, in particular the ever-growing field of optical…
VehicleGAN: Pair-flexible Pose Guided Image Synthesis for Vehicle Re-identification
Baolu Li, Ping Liu, Lan Fu +4
Vehicle Re-identification (Re-ID) has been broadly studied in the last decade; however, the different camera view angle leading to confused discrimination in the feature subspace f…
Semi-supervised Large-scale Fiber Detection in Material Images with Synthetic Data
Lan Fu, Zhiyuan Liu, Jinlong Li +3
Accurate detection of large-scale, elliptical-shape fibers, including their parameters of center, orientation and major/minor axes, on the 2D cross-sectioned image slices is very i…
An efficient modeling workflow for high-performance nanowire single-photon avalanche detector
Zhe Li, H. Hoe Tan, Chennupati Jagadish +1
Single-photon detector (SPD), an essential building block of the quantum communication system, plays a fundamental role in developing next-generation quantum technologies. In this…
Benchmarking Shadow Removal for Facial Landmark Detection and Beyond
Lan Fu, Qing Guo, Felix Juefei-Xu +4
Facial landmark detection is a very fundamental and significant vision task with many important applications. In practice, facial landmark detection can be affected by a lot of nat…
Polarization-Sensitive Au-TiO2 Nanopillars for Tailored Photocatalytic Activity
Ning Lyu, Anjalie Edirisooriya, Zelio Fusco +4
Plasmonic metasurfaces play a crucial role in resonance-driven photocatalytic reactions by effectively enhancing reactivity via localized surface plasmon resonances. Catalytic acti…
Ferroelectric driven exciton and trion modulation in monolayer MoSe2 and WSe2
Bo Wen, Yi Zhu, Didit Yudistira +13
In this work, we show how domain engineered lithium niobate can be used to selectively dope monolayer MoSe2 and WSe2 and demonstrate that these ferroelectric domains can significan…
Reconfigurable miniaturized computational spectrometer enabled by photoelastic effect
Linjun Zhai, Baolei Liu, Muchen Zhu +5
Miniatured computational spectrometers, distinguished by their compact size and lightweight, have shown great promise for on-chip and portable applications in the fields of healthc…
Ultralow Threshold, Single-Mode InGaAs/GaAs Multi-Quantum Disk Nanowire Lasers
Xutao Zhang, Ruixuan Yi, Nikita Gagrani +12
We present single-mode nanowire (NW) lasers with ultralow threshold in the near-infrared spectral range. To ensure the single-mode operation, the NW diameter and length are reduced…
Extraordinarily bound quasi-one-dimensional trions in two-dimensional phosphorene atomic semiconductors
Shuang Zhang, Renjing Xu, Fan Wang +9
The anisotropic nature of the new two-dimensional (2D) material phosphorene, in contrast to other 2D materials such as graphene and transition metal dichalcogenide (TMD) semiconduc…
F2T2-HiT: A U-Shaped FFT Transformer and Hierarchical Transformer for Reflection Removal
Jie Cai, Kangning Yang, Ling Ouyang +5
Single Image Reflection Removal (SIRR) technique plays a crucial role in image processing by eliminating unwanted reflections from the background. These reflections, often caused b…
Structure-Informed Shadow Removal Networks
Yuhao Liu, Qing Guo, Lan Fu +5
Existing deep learning-based shadow removal methods still produce images with shadow remnants. These shadow remnants typically exist in homogeneous regions with low-intensity value…
OpenRR-5k: A Large-Scale Benchmark for Reflection Removal in the Wild
Jie Cai, Kangning Yang, Ling Ouyang +4
Removing reflections is a crucial task in computer vision, with significant applications in photography and image enhancement. Nevertheless, existing methods are constrained by the…
Survey on Single-Image Reflection Removal using Deep Learning Techniques
Kangning Yang, Huiming Sun, Jie Cai +5
The phenomenon of reflection is quite common in digital images, posing significant challenges for various applications such as computer vision, photography, and image processing. T…
Defense against Adversarial Cloud Attack on Remote Sensing Salient Object Detection
Huiming Sun, Lan Fu, Jinlong Li +5
Detecting the salient objects in a remote sensing image has wide applications for the interdisciplinary research. Many existing deep learning methods have been proposed for Salient…
Let There be Light: Improved Traffic Surveillance via Detail Preserving Night-to-Day Transfer
Lan Fu, Hongkai Yu, Felix Juefei-Xu +3
In recent years, image and video surveillance have made considerable progresses to the Intelligent Transportation Systems (ITS) with the help of deep Convolutional Neural Networks…
Physics-Aware Inverse Design for Nanowire Single-Photon Avalanche Detectors via Deep Learning
Boyang Zhang, Zhe Li, Zhongju Wang +5
Single-photon avalanche detectors (SPADs) have enabled various applications in emerging photonic quantum information technologies in recent years. However, despite many efforts to…
OpenRR-1k: A Scalable Dataset for Real-World Reflection Removal
Kangning Yang, Ling Ouyang, Huiming Sun +5
Reflection removal technology plays a crucial role in photography and computer vision applications. However, existing techniques are hindered by the lack of high-quality in-the-wil…
Nanoscale 3D tomography by in-flight fluorescence spectroscopy of atoms sputtered by a focused ion beam
Garrett Budnik, John Scott, Chengge Jiao +5
Nanoscale fabrication and characterisation techniques critically underpin a vast range of fields, including materials science, nanoelectronics and nanobiotechnology. Focused ion be…
Harnessing Non-Boltzmann Steady States in Lanthanide Nanocrystals for Mid-Infrared Optoelectronics
Xinyang Yu, Yin Huang, Karin Yamamura +15
Converting mid-infrared (MIR) radiation to visible or near-infrared wavelengths is essential for imaging and sensing, yet achieving sensitive, low-power, and scalable detection rem…
Molecule-Induced Conformational Change in Boron Nitride Nanosheets with Enhanced Surface Adsorption
Qiran Cai, Aijun Du, Guoping Gao +11
Surface interaction is extremely important to both fundamental research and practical application. Physisorption can induce shape and structural distortion (i.e. conformational cha…
Degradation-Aware Image Enhancement via Vision-Language Classification
Jie Cai, Kangning Yang, Jiaming Ding +5
Image degradation is a prevalent issue in various real-world applications, affecting visual quality and downstream processing tasks. In this study, we propose a novel framework tha…
Nanowire Array Breath Acetone Sensor for Diabetes Monitoring
Shiyu Wei, Zhe Li, Krishnan Murugappan +9
Diabetic ketoacidosis (DKA) is a life-threatening acute complication of diabetes in which ketone bodies accumulate in the blood. Breath acetone (a ketone) directly correlates with…
Tuning Plasmonic Metasurfaces via Phase Change Material Substrates for Modulating Reactivity in Light-Driven Reactions
Ning Lyu, Anjalie Edirisooriya, Dawei Liu +5
Phase change materials provide a powerful platform for dynamically modulating optical responses in nanophotonic systems. While plasmonic metasurfaces have been widely employed to e…