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Ruiqin Xiong

25 accepted papers

2026

HelioX: A GPU-Native Framework for Simulation and Training of Biophysically Detailed Networks

ICML 2026poster

Biophysically detailed neural networks represent a promising frontier for brain-inspired AI, offering intrinsic spatio-temporal dynamics to enhance the expressivity and computational density of deep learning systems. However, general-purpose deep learning frameworks suffer from a fundamental mismatc…

Cited by 0SourceScholar
2026

Spatio-Temporal Distortion Aware Omnidirectional Video Super-Resolution

AAAI 2026technical

Omnidirectional videos (ODVs) provide an immersive visual experience by capturing the 360° scene. With the rapid advancements in virtual/augmented reality, metaverse, and generative artificial intelligence, the demand for high-quality ODVs is surging. However, ODVs often suffer from low resolution d

Cited by 0SourcePDFScholar
2026

Spike Stream Memory Transfer for Dynamic Scene Reconstruction

AAAI 2026technical

As a retina-inspired sensor with ultra-high temporal resolution, spike camera can continuously capture dynamic scenes with high-speed motion. It is a key task to restore clear images from spike streams. The quantization effects in spike readout bring degradation to the visual quality of restored ima

Cited by 0SourcePDFScholar
2026

Spk2VidNet: A Hierarchical Recurrent Architecture for High-Fidelity Video Reconstruction from Long Spike-Camera Streams

CVPR 2026

Spike camera is a neuromorphic vision sensor with ultra-high temporal resolution, capable of capturing fast-moving scenes by firing a stream of binary spikes. However, its relatively low spatial resolution limits the acquisition of fine-grained visual details, motivating research on spike camera sup

Cited by 0SourceScholar
2025

High Dynamic Range Imaging with Time-Encoding Spike Camera

NeurIPS 2025poster

As a bio-inspired vision sensor, spike camera records light intensity by accumulating photons and firing a spike once a preset threshold is reached. For high-light regions, the accumulated photons may reach the threshold multiple times within a readout interval, while only one spike can be stored an…

Cited by 0SourceScholar
2025

ISP2HRNet: Learning to Reconstruct High Resolution Image from Irregularly Sampled Pixels via Hierarchical Gradient Learning

ICCV 2025poster

While image signals are typically defined on a regular 2D grid, there are scenarios where they are only available at irregular positions. In such cases, reconstructing a complete image on regular grid is essential. This paper introduces ISP2HRNet, an end-to-end network designed to reconstruct high r…

2025

SAMPLE: Semantic Alignment through Temporal-Adaptive Multimodal Prompt Learning for Event-Based Open-Vocabulary Action Recognition

ICCV 2025poster

Open-vocabulary action recognition (OVAR) extends recognition systems to identify unseen action categories. While large-scale vision-language models (VLMs) like CLIP have enabled OVAR in image domains, their adaptation to event data remains underexplored. Event cameras offer high temporal resolution…

2025

Self-Supervised Learning for Color Spike Camera Reconstruction

CVPR 2025poster

Spike camera is a kind of neuromorphic camera with ultra-high temporal resolution, which can capture dynamic scenes by continuously firing spike signals. To capture color information, a color filter array (CFA) is employed on the sensor of the spike camera, resulting in Bayer-pattern spike streams.…

2025

Spk2SRImgNet: Super-Resolve Dynamic Scene from Spike Stream via Motion Aligned Collaborative Filtering

CVPR 2025poster

Spike camera is a kind of neuromorphic camera that records dynamic scenes by firing a stream of binary spikes with extremely high temporal resolution. It demonstrates great potential for vision tasks in high-speed scenarios. One limitation in its current implementation is the relatively low spatial…

Cited by 0SourcePDFScholar
2024

Boosting Spike Camera Image Reconstruction from a Perspective of Dealing with Spike Fluctuations

CVPR 2024poster

As a bio-inspired vision sensor with ultra-high speed spike cameras exhibit great potential in recording dynamic scenes with high-speed motion or drastic light changes. Different from traditional cameras each pixel in spike cameras records the arrival of photons continuously by firing binary spikes…

2024

Joint Demosaicing and Denoising for Spike Camera

AAAI 2024technical

As a neuromorphic camera with high temporal resolution, spike camera can capture dynamic scenes with high-speed motion. Recently, spike camera with a color filter array (CFA) has been developed for color imaging. There are some methods for spike camera demosaicing to reconstruct color images from Ba…

2024

Optical Flow for Spike Camera with Hierarchical Spatial-Temporal Spike Fusion

AAAI 2024technical

As an emerging neuromorphic camera with an asynchronous working mechanism, spike camera shows good potential for high-speed vision tasks. Each pixel in spike camera accumulates photons persistently and fires a spike whenever the accumulation exceeds a threshold. Such high-frequency fine-granularity…

2024

Super-Resolution Reconstruction from Bayer-Pattern Spike Streams

CVPR 2024poster

Spike camera is a neuromorphic vision sensor that can capture highly dynamic scenes by generating a continuous stream of binary spikes to represent the arrival of photons at very high temporal resolution. Equipped with Bayer color filter array (CFA) color spike camera (CSC) has been invented to capt…

2023

Learning to Super-resolve Dynamic Scenes for Neuromorphic Spike Camera

AAAI 2023technical

Spike camera is a kind of neuromorphic sensor that uses a novel ``integrate-and-fire'' mechanism to generate a continuous spike stream to record the dynamic light intensity at extremely high temporal resolution. However, as a trade-off for high temporal resolution, its spatial resolution is limited,…

Cited by 12SourcePDFScholar
2023

SVFI: Spiking-Based Video Frame Interpolation for High-Speed Motion

AAAI 2023technical

Occlusion and motion blur make it challenging to interpolate video frame, since estimating complex motions between two frames is hard and unreliable, especially in highly dynamic scenes. This paper aims to address these issues by exploiting spike stream as auxiliary visual information between frames…

2023

Unsupervised Optical Flow Estimation with Dynamic Timing Representation for Spike Camera

NeurIPS 2023poster

Efficiently selecting an appropriate spike stream data length to extract precise information is the key to the spike vision tasks. To address this issue, we propose a dynamic timing representation for spike streams. Based on multi-layers architecture, it applies dilated convolutions on temporal dime…

2022

HerosNet: Hyperspectral Explicable Reconstruction and Optimal Sampling Deep Network for Snapshot Compressive Imaging

CVPR 2022poster

Hyperspectral imaging is an essential imaging modality for a wide range of applications, especially in remote sensing, agriculture, and medicine. Inspired by existing hyperspectral cameras that are either slow, expensive, or bulky, reconstructing hyperspectral images (HSIs) from a low-budget snapsho…

Cited by 80PDFcodeScholar
2022

Learning Optical Flow from Continuous Spike Streams

NeurIPS 2022accept

Spike camera is an emerging bio-inspired vision sensor with ultra-high temporal resolution. It records scenes by accumulating photons and outputting continuous binary spike streams. Optical flow is a key task for spike cameras and their applications. A previous attempt has been made for spike-based…

2022

Self-Supervised Mutual Learning for Dynamic Scene Reconstruction of Spiking Camera

IJCAI 2022poster

Mimicking the sampling mechanism of the primate fovea, a retina-inspired vision sensor named spiking camera has been developed, which has shown great potential for capturing high-speed dynamic scenes with a sampling rate of 40,000 Hz. Unlike conventional digital cameras, the spiking camera continuou…

Cited by 31SourcePDFScholar
2022

Spatio-Temporal Recurrent Networks for Event-Based Optical Flow Estimation

AAAI 2022technical

Event camera has offered promising alternative for visual perception, especially in high speed and high dynamic range scenes. Recently, many deep learning methods have shown great success in providing model-free solutions to many event-based problems, such as optical flow estimation. However, existi…

2021

Spk2ImgNet: Learning To Reconstruct Dynamic Scene From Continuous Spike Stream

CVPR 2021poster

The recently invented retina-inspired spike camera has shown great potential for capturing dynamic scenes. Different from the conventional digital cameras that compact the photoelectric information within the exposure interval into a single snapshot, the spike camera produces a continuous spike stre…

Cited by 83PDFScholar
2021

Super Resolve Dynamic Scene From Continuous Spike Streams

ICCV 2021poster

Recently, a novel retina-inspired camera, namely spike camera, has shown great potential for recording high-speed dynamic scenes. Unlike the conventional digital cameras that compact the visual information within the exposure interval into a single snapshot, the spike camera continuously outputs bin…

Cited by 44PDFScholar
2018

Frequency-Domain Dynamic Pruning for Convolutional Neural Networks

NeurIPS 2018poster

Deep convolutional neural networks have demonstrated their powerfulness in a variety of applications. However, the storage and computational requirements have largely restricted their further extensions on mobile devices. Recently, pruning of unimportant parameters has been used for both network com…

Cited by 200SourcePDFScholar
2015

Image Denoising via Adaptive Soft-Thresholding Based on Non-Local Samples

CVPR 2015poster

This paper proposes a new image denoising approach using adaptive signal modeling and adaptive soft-thresholding. It improves the image quality by regularizing all the patches in image based on distribution modeling in transform domain. Instead of using a global model for all patches, it employs con…

Cited by 97SourcePDFScholar