activity
20102026
most citedKernel Methods on Riemannian Manifolds with Gaussian RBF Kernels

259 citations · 803 across the 48 of their papers we have counts for

collaborators

56 papers

cs.CV2026

Mobile-4DGS: Unified Static-Dynamic Real-time Mobile Gaussian Splatting

Xiaobiao Du, Beixi Hao, Zhen Fang +3

Recent advances in 3D Gaussian Splatting (3DGS) have achieved remarkable performance in novel view synthesis, yet deploying both static and dynamic Gaussian representations on reso…

cs.CV2023

LDP: Language-driven Dual-Pixel Image Defocus Deblurring Network

Hao Yang, Liyuan Pan, Yan Yang +2

Recovering sharp images from dual-pixel (DP) pairs with disparity-dependent blur is a challenging task.~Existing blur map-based deblurring methods have demonstrated promising resul…

cs.CV2022★ 7 cited

Contact-aware Human Motion Forecasting

Wei Mao, Miaomiao Liu, Richard Hartley +1

In this paper, we tackle the task of scene-aware 3D human motion forecasting, which consists of predicting future human poses given a 3D scene and a past human motion. A key challe…

cs.CV2021

Manifold Learning Benefits GANs

Yao Ni, Piotr Koniusz, Richard Hartley +1

In this paper, we improve Generative Adversarial Networks by incorporating a manifold learning step into the discriminator. We consider locality-constrained linear and subspace-bas…

cs.CV2021

Semi-Supervised 3D Hand Shape and Pose Estimation with Label Propagation

Samira Kaviani, Amir Rahimi, Richard Hartley

To obtain 3D annotations, we are restricted to controlled environments or synthetic datasets, leading us to 3D datasets with less generalizability to real-world scenarios. To tackl…

cs.CV2021

Dense Uncertainty Estimation via an Ensemble-based Conditional Latent Variable Model

Jing Zhang, Yuchao Dai, Mehrtash Harandi +3

Uncertainty estimation has been extensively studied in recent literature, which can usually be classified as aleatoric uncertainty and epistemic uncertainty. In current aleatoric u…

cs.CV2021

Invertible Attention

Jiajun Zha, Yiran Zhong, Jing Zhang +2

Attention has been proved to be an efficient mechanism to capture long-range dependencies. However, so far it has not been deployed in invertible networks. This is due to the fact…

cs.CV2021★ 2 cited

One Ring to Rule Them All: a simple solution to multi-view 3D-Reconstruction of shapes with unknown BRDF via a small Recurrent ResNet

Ziang Cheng, Hongdong Li, Richard Hartley +2

This paper proposes a simple method which solves an open problem of multi-view 3D-Reconstruction for objects with unknown and generic surface materials, imaged by a freely moving c…

cs.CV2021★ 1 cited

Learning Optical Flow from a Few Matches

Shihao Jiang, Yao Lu, Hongdong Li +1

State-of-the-art neural network models for optical flow estimation require a dense correlation volume at high resolutions for representing per-pixel displacement. Although the dens…

cs.CV2021★ 2 cited

Learning to Estimate Hidden Motions with Global Motion Aggregation

Shihao Jiang, Dylan Campbell, Yao Lu +2

Occlusions pose a significant challenge to optical flow algorithms that rely on local evidences. We consider an occluded point to be one that is imaged in the first frame but not i…

cs.CV2021

Few-shot Weakly-Supervised Object Detection via Directional Statistics

Amirreza Shaban, Amir Rahimi, Thalaiyasingam Ajanthan +2

Detecting novel objects from few examples has become an emerging topic in computer vision recently. However, these methods need fully annotated training images to learn new object…

cs.CV2021

RANP: Resource Aware Neuron Pruning at Initialization for 3D CNNs

Zhiwei Xu, Thalaiyasingam Ajanthan, Vibhav Vineet +1

Although 3D Convolutional Neural Networks are essential for most learning based applications involving dense 3D data, their applicability is limited due to excessive memory and com…

cs.CV2020★ 5 cited

Uncertainty-Aware Deep Calibrated Salient Object Detection

Jing Zhang, Yuchao Dai, Xin Yu +3

Existing deep neural network based salient object detection (SOD) methods mainly focus on pursuing high network accuracy. However, those methods overlook the gap between network ac…

cs.CV2020★ 4 cited

Dual Pixel Exploration: Simultaneous Depth Estimation and Image Restoration

Liyuan Pan, Shah Chowdhury, Richard Hartley +3

The dual-pixel (DP) hardware works by splitting each pixel in half and creating an image pair in a single snapshot. Several works estimate depth/inverse depth by treating the DP pa…

cs.CV2020★ 1 cited

Refining Semantic Segmentation with Superpixel by Transparent Initialization and Sparse Encoder

Zhiwei Xu, Thalaiyasingam Ajanthan, Richard Hartley

Although deep learning greatly improves the performance of semantic segmentation, its success mainly lies in object central areas without accurate edges. As superpixels are a popul…

cs.CV2020★ 1 cited

RANP: Resource Aware Neuron Pruning at Initialization for 3D CNNs

Zhiwei Xu, Thalaiyasingam Ajanthan, Vibhav Vineet +1

Although 3D Convolutional Neural Networks (CNNs) are essential for most learning based applications involving dense 3D data, their applicability is limited due to excessive memory…

cs.LG2020★ 4 cited

Calibration of Neural Networks using Splines

Kartik Gupta, Amir Rahimi, Thalaiyasingam Ajanthan +3

Calibrating neural networks is of utmost importance when employing them in safety-critical applications where the downstream decision making depends on the predicted probabilities.…

cs.CV2020★ 1 cited

Single Image Optical Flow Estimation with an Event Camera

Liyuan Pan, Miaomiao Liu, Richard Hartley

Event cameras are bio-inspired sensors that asynchronously report intensity changes in microsecond resolution. DAVIS can capture high dynamics of a scene and simultaneously output…

cs.CV2020

Pairwise Similarity Knowledge Transfer for Weakly Supervised Object Localization

Amir Rahimi, Amirreza Shaban, Thalaiyasingam Ajanthan +2

Weakly Supervised Object Localization (WSOL) methods only require image level labels as opposed to expensive bounding box annotations required by fully supervised algorithms. We st…

cs.LG2020★ 21 cited

Intra Order-preserving Functions for Calibration of Multi-Class Neural Networks

Amir Rahimi, Amirreza Shaban, Ching-An Cheng +2

Predicting calibrated confidence scores for multi-class deep networks is important for avoiding rare but costly mistakes. A common approach is to learn a post-hoc calibration funct…

cs.CV2020★ 1 cited

Joint Unsupervised Learning of Optical Flow and Egomotion with Bi-Level Optimization

Shihao Jiang, Dylan Campbell, Miaomiao Liu +2

We address the problem of joint optical flow and camera motion estimation in rigid scenes by incorporating geometric constraints into an unsupervised deep learning framework. Unlik…

cs.CV2019

Action Anticipation with RBF Kernelized Feature Mapping RNN

Yuge Shi, Basura Fernando, Richard Hartley

We introduce a novel Recurrent Neural Network-based algorithm for future video feature generation and action anticipation called feature mapping RNN. Our novel RNN architecture bui…

cs.CV2019

Fast and Differentiable Message Passing on Pairwise Markov Random Fields

Zhiwei Xu, Thalaiyasingam Ajanthan, Richard Hartley

Despite the availability of many Markov Random Field (MRF) optimization algorithms, their widespread usage is currently limited due to imperfect MRF modelling arising from hand-cra…

cs.LG2019★ 10 cited

Mirror Descent View for Neural Network Quantization

Thalaiyasingam Ajanthan, Kartik Gupta, Philip H. S. Torr +2

Quantizing large Neural Networks (NN) while maintaining the performance is highly desirable for resource-limited devices due to reduced memory and time complexity. It is usually fo…