1 code implementation • 25 Aug 2023 • Masoud Mokhtari, Neda Ahmadi, Teresa S. M. Tsang, Purang Abolmaesumi, Renjie Liao
Due to inter-observer variability in echo-based diagnosis, which arises from the variability in echo image acquisition and the interpretation of echo images based on clinical experience, vision-based machine learning (ML) methods have gained popularity to act as secondary layers of verification.
1 code implementation • 23 Jul 2023 • Masoud Mokhtari, Mobina Mahdavi, Hooman Vaseli, Christina Luong, Purang Abolmaesumi, Teresa S. M. Tsang, Renjie Liao
To address this challenge, we introduce an echocardiogram-based, hierarchical graph neural network (GNN) for left ventricle landmark detection (EchoGLAD).
1 code implementation • 4 Jul 2023 • Qi Yan, Zhengyang Liang, Yang song, Renjie Liao, Lele Wang
Diffusion models based on permutation-equivariant networks can learn permutation-invariant distributions for graph data.
1 code implementation • 3 Jun 2023 • Sadegh Mahdavi, Renjie Liao, Christos Thrampoulidis
Transformers have become the go-to architecture for language and vision tasks, yet their theoretical properties, especially memorization capacity, remain elusive.
1 code implementation • 2 Mar 2023 • Deyu Bo, Chuan Shi, Lele Wang, Renjie Liao
To tackle these issues, we introduce Specformer, which effectively encodes the set of all eigenvalues and performs self-attention in the spectral domain, leading to a learnable set-to-set spectral filter.
no code implementations • 2 Feb 2023 • Bicheng Xu, Renjie Liao, Leonid Sigal
In the auxiliary branch, relational input features are partially masked prior to message passing and predicate prediction.
no code implementations • 28 Nov 2022 • Muchen Li, Jeffrey Yunfan Liu, Leonid Sigal, Renjie Liao
Moreover, our graph generator leads to a learnable probabilistic search method that is more flexible and efficient than the commonly used RNN generator and random search methods.
no code implementations • 14 Nov 2022 • Xiang Gao, Wei Hu, Renjie Liao
The decoder takes the latent variable and the feature from the encoder as an input and predicts the per-point part distribution at the top level.
1 code implementation • 1 Nov 2022 • Sadegh Mahdavi, Kevin Swersky, Thomas Kipf, Milad Hashemi, Christos Thrampoulidis, Renjie Liao
In this paper, we study the OOD generalization of neural algorithmic reasoning tasks, where the goal is to learn an algorithm (e. g., sorting, breadth-first search, and depth-first search) from input-output pairs using deep neural networks.
1 code implementation • 24 Oct 2022 • Sahithya Ravi, Aditya Chinchure, Leonid Sigal, Renjie Liao, Vered Shwartz
In contrast to previous methods which inject knowledge from static knowledge bases, we investigate the incorporation of contextualized knowledge using Commonsense Transformer (COMET), an existing knowledge model trained on human-curated knowledge bases.
Ranked #5 on
Visual Question Answering (VQA)
on A-OKVQA
(DA VQA Score metric)
1 code implementation • 19 Oct 2022 • Renjie Liao, Simon Kornblith, Mengye Ren, David J. Fleet, Geoffrey Hinton
We revisit the challenging problem of training Gaussian-Bernoulli restricted Boltzmann machines (GRBMs), introducing two innovations.
1 code implementation • 7 Oct 2022 • Mengye Ren, Simon Kornblith, Renjie Liao, Geoffrey Hinton
Forward gradient learning computes a noisy directional gradient and is a biologically plausible alternative to backprop for learning deep neural networks.
1 code implementation • 30 Aug 2022 • Masoud Mokhtari, Teresa Tsang, Purang Abolmaesumi, Renjie Liao
In this work, we introduce EchoGNN, a model based on graph neural networks (GNNs) to estimate EF from echo videos.
no code implementations • 20 Jul 2022 • Weiwei Sun, Daniel Rebain, Renjie Liao, Vladimir Tankovich, Soroosh Yazdani, Kwang Moo Yi, Andrea Tagliasacchi
We introduce a method for instance proposal generation for 3D point clouds.
1 code implementation • 25 Jun 2021 • Xiaohui Zeng, Raquel Urtasun, Richard Zemel, Sanja Fidler, Renjie Liao
1) We propose a non-parametric prior distribution over the appearance of image parts so that the latent variable ``what-to-draw'' per step becomes a categorical random variable.
no code implementations • 17 Jan 2021 • Wenyuan Zeng, Ming Liang, Renjie Liao, Raquel Urtasun
In this paper, we propose LaneRCNN, a graph-centric motion forecasting model.
Ranked #150 on
Motion Forecasting
on Argoverse CVPR 2020
no code implementations • ICCV 2021 • Alexander Cui, Sergio Casas, Abbas Sadat, Renjie Liao, Raquel Urtasun
In this paper, we present LookOut, a novel autonomy system that perceives the environment, predicts a diverse set of futures of how the scene might unroll and estimates the trajectory of the SDV by optimizing a set of contingency plans over these future realizations.
no code implementations • 7 Jan 2021 • Katie Luo, Sergio Casas, Renjie Liao, Xinchen Yan, Yuwen Xiong, Wenyuan Zeng, Raquel Urtasun
On two large-scale real-world datasets, nuScenes and ATG4D, we showcase that our scene-occupancy predictions are more accurate and better calibrated than those from state-of-the-art motion forecasting methods, while also matching their performance in pedestrian motion forecasting metrics.
no code implementations • ICLR 2021 • Renjie Liao, Raquel Urtasun, Richard Zemel
In this paper, we derive generalization bounds for the two primary classes of graph neural networks (GNNs), namely graph convolutional networks (GCNs) and message passing GNNs (MPGNNs), via a PAC-Bayesian approach.
2 code implementations • 13 Dec 2020 • Xiaojuan Qi, Zhengzhe Liu, Renjie Liao, Philip H. S. Torr, Raquel Urtasun, Jiaya Jia
Note that GeoNet++ is generic and can be used in other depth/normal prediction frameworks to improve the quality of 3D reconstruction and pixel-wise accuracy of depth and surface normals.
no code implementations • ECCV 2020 • Wenyuan Zeng, Shenlong Wang, Renjie Liao, Yun Chen, Bin Yang, Raquel Urtasun
In this paper, we propose the Deep Structured self-Driving Network (DSDNet), which performs object detection, motion prediction, and motion planning with a single neural network.
no code implementations • ECCV 2020 • Kelvin Wong, Qiang Zhang, Ming Liang, Bin Yang, Renjie Liao, Abbas Sadat, Raquel Urtasun
We present a novel method for testing the safety of self-driving vehicles in simulation.
1 code implementation • ECCV 2020 • Ming Liang, Bin Yang, Rui Hu, Yun Chen, Renjie Liao, Song Feng, Raquel Urtasun
We propose a motion forecasting model that exploits a novel structured map representation as well as actor-map interactions.
no code implementations • ECCV 2020 • Sergio Casas, Cole Gulino, Simon Suo, Katie Luo, Renjie Liao, Raquel Urtasun
In order to plan a safe maneuver an autonomous vehicle must accurately perceive its environment, and understand the interactions among traffic participants.
no code implementations • 21 Jun 2020 • Beier Zhu, Chunze Lin, Quan Wang, Renjie Liao, Chen Qian
In this paper, we propose a fast and accurate coordinate regression method for face alignment.
Ranked #14 on
Face Alignment
on COFW
1 code implementation • ICML 2020 • Avishek Joey Bose, Ariella Smofsky, Renjie Liao, Prakash Panangaden, William L. Hamilton
One effective solution is the use of normalizing flows \cut{defined on Euclidean spaces} to construct flexible posterior distributions.
1 code implementation • 10 Feb 2020 • Yang Song, Chenlin Meng, Renjie Liao, Stefano Ermon
Feedforward computation, such as evaluating a neural network or sampling from an autoregressive model, is ubiquitous in machine learning.
no code implementations • 18 Oct 2019 • Sergio Casas, Cole Gulino, Renjie Liao, Raquel Urtasun
A graph neural network then iteratively updates the actor states via a message passing process.
no code implementations • 17 Oct 2019 • Ajay Jain, Sergio Casas, Renjie Liao, Yuwen Xiong, Song Feng, Sean Segal, Raquel Urtasun
Particularly difficult is the prediction of human behavior.
2 code implementations • NeurIPS 2019 • Renjie Liao, Yujia Li, Yang Song, Shenlong Wang, Charlie Nash, William L. Hamilton, David Duvenaud, Raquel Urtasun, Richard S. Zemel
Our model generates graphs one block of nodes and associated edges at a time.
1 code implementation • ICCV 2019 • Xiaohui Zeng, Renjie Liao, Li Gu, Yuwen Xiong, Sanja Fidler, Raquel Urtasun
In practice, it performs similarly to the Hungarian algorithm during inference.
One-shot visual object segmentation
Rolling Shutter Correction
+2
no code implementations • 25 Sep 2019 • Xin Zhang, Weixiao Huang, Renjie Liao, Yanhua Li
Imitation learning aims to inversely learn a policy from expert demonstrations, which has been extensively studied in the literature for both single-agent setting with Markov decision process (MDP) model, and multi-agent setting with Markov game (MG) model.
no code implementations • 30 Jul 2019 • Yuwen Xiong, Mengye Ren, Renjie Liao, Kelvin Wong, Raquel Urtasun
Point clouds are the native output of many real-world 3D sensors.
1 code implementation • 22 Jun 2019 • Guangyong Chen, Pengfei Chen, Chang-Yu Hsieh, Chee-Kong Lee, Benben Liao, Renjie Liao, Weiwen Liu, Jiezhong Qiu, Qiming Sun, Jie Tang, Richard Zemel, Shengyu Zhang
We introduce a new molecular dataset, named Alchemy, for developing machine learning models useful in chemistry and material science.
no code implementations • CVPR 2019 • Dominic Cheng, Renjie Liao, Sanja Fidler, Raquel Urtasun
In this paper, we propose a Deep Active Ray Network (DARNet) for automatic building segmentation.
1 code implementation • CVPR 2019 • Yuwen Xiong, Renjie Liao, Hengshuang Zhao, Rui Hu, Min Bai, Ersin Yumer, Raquel Urtasun
More importantly, we introduce a parameter-free panoptic head which solves the panoptic segmentation via pixel-wise classification.
Ranked #3 on
Panoptic Segmentation
on KITTI Panoptic Segmentation
1 code implementation • ICLR 2019 • Renjie Liao, Zhizhen Zhao, Raquel Urtasun, Richard S. Zemel
We propose the Lanczos network (LanczosNet), which uses the Lanczos algorithm to construct low rank approximations of the graph Laplacian for graph convolution.
1 code implementation • NeurIPS 2019 • Mengye Ren, Renjie Liao, Ethan Fetaya, Richard S. Zemel
This paper addresses this problem, incremental few-shot learning, where a regular classification network has already been trained to recognize a set of base classes, and several extra novel classes are being considered, each with only a few labeled examples.
1 code implementation • NeurIPS 2018 • Lisa Zhang, Gregory Rosenblatt, Ethan Fetaya, Renjie Liao, William E. Byrd, Matthew Might, Raquel Urtasun, Richard Zemel
Synthesizing programs using example input/outputs is a classic problem in artificial intelligence.
1 code implementation • CVPR 2018 • Xiaojuan Qi, Renjie Liao, Zhengzhe Liu, Raquel Urtasun, Jiaya Jia
In this paper, we propose Geometric Neural Network (GeoNet) to jointly predict depth and surface normal maps from a single image.
1 code implementation • 21 Mar 2018 • KiJung Yoon, Renjie Liao, Yuwen Xiong, Lisa Zhang, Ethan Fetaya, Raquel Urtasun, Richard Zemel, Xaq Pitkow
Message-passing algorithms, such as belief propagation, are a natural way to disseminate evidence amongst correlated variables while exploiting the graph structure, but these algorithms can struggle when the conditional dependency graphs contain loops.
1 code implementation • ICML 2018 • Renjie Liao, Yuwen Xiong, Ethan Fetaya, Lisa Zhang, KiJung Yoon, Xaq Pitkow, Raquel Urtasun, Richard Zemel
We examine all RBP variants along with BPTT and TBPTT in three different application domains: associative memory with continuous Hopfield networks, document classification in citation networks using graph neural networks and hyperparameter optimization for fully connected networks.
2 code implementations • CVPR 2018 • Diego Marcos, Devis Tuia, Benjamin Kellenberger, Lisa Zhang, Min Bai, Renjie Liao, Raquel Urtasun
The world is covered with millions of buildings, and precisely knowing each instance's position and extents is vital to a multitude of applications.
1 code implementation • ICLR 2018 • Renjie Liao, Marc Brockschmidt, Daniel Tarlow, Alexander L. Gaunt, Raquel Urtasun, Richard Zemel
We present graph partition neural networks (GPNN), an extension of graph neural networks (GNNs) able to handle extremely large graphs.
1 code implementation • ICLR 2018 • Yuhuai Wu, Mengye Ren, Renjie Liao, Roger Grosse
Careful tuning of the learning rate, or even schedules thereof, can be crucial to effective neural net training.
1 code implementation • ICLR 2018 • Tingwu Wang, Renjie Liao, Jimmy Ba, Sanja Fidler
We address the problem of learning structured policies for continuous control.
2 code implementations • ICCV 2017 • Xiaojuan Qi, Renjie Liao, Jiaya Jia, Sanja Fidler, Raquel Urtasun
Each node in the graph corresponds to a set of points and is associated with a hidden representation vector initialized with an appearance feature extracted by a unary CNN from 2D images.
Ranked #29 on
Semantic Segmentation
on SUN-RGBD
1 code implementation • ICCV 2017 • Ruiyu Li, Makarand Tapaswi, Renjie Liao, Jiaya Jia, Raquel Urtasun, Sanja Fidler
We address the problem of recognizing situations in images.
Ranked #9 on
Situation Recognition
on imSitu
1 code implementation • ICCV 2017 • Xin Tao, Hongyun Gao, Renjie Liao, Jue Wang, Jiaya Jia
In this paper, we show that proper frame alignment and motion compensation is crucial for achieving high quality results.
Ranked #10 on
Video Super-Resolution
on Vid4 - 4x upscaling
1 code implementation • NeurIPS 2016 • Renjie Liao, Alex Schwing, Richard Zemel, Raquel Urtasun
In this paper we aim at facilitating generalization for deep networks while supporting interpretability of the learned representations.
no code implementations • 14 Nov 2016 • Mengye Ren, Renjie Liao, Raquel Urtasun, Fabian H. Sinz, Richard S. Zemel
On the other hand, layer normalization normalizes the activations across all activities within a layer.
no code implementations • ICCV 2015 • Renjie Liao, Xin Tao, Ruiyu Li, Ziyang Ma, Jiaya Jia
We propose a new direction for fast video super-resolution (VideoSR) via a SR draft ensemble, which is defined as the set of high-resolution patch candidates before final image deconvolution.
no code implementations • ICCV 2015 • Xiaojuan Qi, Jianping Shi, Shu Liu, Renjie Liao, Jiaya Jia
In this paper, we propose an object clique potential for semantic segmentation.
1 code implementation • 19 Nov 2015 • Jake Snell, Karl Ridgeway, Renjie Liao, Brett D. Roads, Michael C. Mozer, Richard S. Zemel
We propose instead to use a loss function that is better calibrated to human perceptual judgments of image quality: the multiscale structural-similarity score (MS-SSIM).
no code implementations • CVPR 2015 • Ziyang Ma, Renjie Liao, Xin Tao, Li Xu, Jiaya Jia, Enhua Wu
Ubiquitous motion blur easily fails multi-frame super-resolution (MFSR).
no code implementations • 10 May 2015 • Renjie Liao, Jianping Shi, Ziyang Ma, Jun Zhu, Jiaya Jia
Metric learning aims to embed one metric space into another to benefit tasks like classification and clustering.
no code implementations • CVPR 2014 • Di Lin, Cewu Lu, Renjie Liao, Jiaya Jia
We address the false response influence problem when learning and applying discriminative parts to construct the mid-level representation in scene classification.