Search Results for author: Jiakai Zhang

Found 13 papers, 5 papers with code

LightCAM: A Fast and Light Implementation of Context-Aware Masking based D-TDNN for Speaker Verification

no code implementations8 Feb 2024 Di Cao, Xianchen Wang, Junfeng Zhou, Jiakai Zhang, Yanjing Lei, Wenpeng Chen

Traditional Time Delay Neural Networks (TDNN) have achieved state-of-the-art performance at the cost of high computational complexity and slower inference speed, making them difficult to implement in an industrial environment.

Speaker Verification

GenEM: Physics-Informed Generative Cryo-Electron Microscopy

no code implementations4 Dec 2023 Jiakai Zhang, Qihe Chen, Yan Zeng, Wenyuan Gao, Xuming He, Zhijie Liu, Jingyi Yu

To address this, we introduce physics-informed generative cryo-electron microscopy (GenEM), which for the first time integrates physical-based cryo-EM simulation with a generative unpaired noise translation to generate physically correct synthetic cryo-EM datasets with realistic noises.

Contrastive Learning Pose Estimation +1

CryoFormer: Continuous Heterogeneous Cryo-EM Reconstruction using Transformer-based Neural Representations

no code implementations28 Mar 2023 Xinhang Liu, Yan Zeng, Yifan Qin, Hao Li, Jiakai Zhang, Lan Xu, Jingyi Yu

Cryo-electron microscopy (cryo-EM) allows for the high-resolution reconstruction of 3D structures of proteins and other biomolecules.

Decoder

Human Performance Modeling and Rendering via Neural Animated Mesh

1 code implementation18 Sep 2022 Fuqiang Zhao, Yuheng Jiang, Kaixin Yao, Jiakai Zhang, Liao Wang, Haizhao Dai, Yuhui Zhong, Yingliang Zhang, Minye Wu, Lan Xu, Jingyi Yu

In this paper, we present a comprehensive neural approach for high-quality reconstruction, compression, and rendering of human performances from dense multi-view videos.

Fourier PlenOctrees for Dynamic Radiance Field Rendering in Real-time

no code implementations CVPR 2022 Liao Wang, Jiakai Zhang, Xinhang Liu, Fuqiang Zhao, Yanshun Zhang, Yingliang Zhang, Minye Wu, Lan Xu, Jingyi Yu

In this paper, we present a novel Fourier PlenOctree (FPO) technique to tackle efficient neural modeling and real-time rendering of dynamic scenes captured under the free-view video (FVV) setting.

NeuVV: Neural Volumetric Videos with Immersive Rendering and Editing

no code implementations12 Feb 2022 Jiakai Zhang, Liao Wang, Xinhang Liu, Fuqiang Zhao, Minzhang Li, Haizhao Dai, Boyuan Zhang, Wei Yang, Lan Xu, Jingyi Yu

We further develop a hybrid neural-rasterization rendering framework to support consumer-level VR headsets so that the aforementioned volumetric video viewing and editing, for the first time, can be conducted immersively in virtual 3D space.

3D Reconstruction

HumanNeRF: Efficiently Generated Human Radiance Field from Sparse Inputs

no code implementations CVPR 2022 Fuqiang Zhao, Wei Yang, Jiakai Zhang, Pei Lin, Yingliang Zhang, Jingyi Yu, Lan Xu

The raw HumanNeRF can already produce reasonable rendering on sparse video inputs of unseen subjects and camera settings.

Editable Free-viewpoint Video Using a Layered Neural Representation

1 code implementation30 Apr 2021 Jiakai Zhang, Xinhang Liu, Xinyi Ye, Fuqiang Zhao, Yanshun Zhang, Minye Wu, Yingliang Zhang, Lan Xu, Jingyi Yu

Such layered representation supports fully perception and realistic manipulation of the dynamic scene whilst still supporting a free viewing experience in a wide range.

Disentanglement Scene Parsing +1

LGNN: A Context-aware Line Segment Detector

no code implementations13 Aug 2020 Quan Meng, Jiakai Zhang, Qiang Hu, Xuming He, Jingyi Yu

We present a novel real-time line segment detection scheme called Line Graph Neural Network (LGNN).

Graph Neural Network Line Segment Detection

Improved Descriptors for Patch Matching and Reconstruction

no code implementations24 Jan 2017 Rahul Mitra, Jiakai Zhang, Sanath Narayan, Shuaib Ahmed, Sharat Chandran, Arjun Jain

Scenes from the Oxford ACRD, MVS and Synthetic datasets are used for evaluating the patch matching performance of the learnt descriptors while the Strecha dataset is used to evaluate the 3D reconstruction task.

3D Reconstruction Patch Matching

Query-Efficient Imitation Learning for End-to-End Autonomous Driving

1 code implementation20 May 2016 Jiakai Zhang, Kyunghyun Cho

A policy function trained in this way however is known to suffer from unexpected behaviours due to the mismatch between the states reachable by the reference policy and trained policy functions.

Autonomous Driving Car Racing +1

End to End Learning for Self-Driving Cars

114 code implementations25 Apr 2016 Mariusz Bojarski, Davide Del Testa, Daniel Dworakowski, Bernhard Firner, Beat Flepp, Prasoon Goyal, Lawrence D. Jackel, Mathew Monfort, Urs Muller, Jiakai Zhang, Xin Zhang, Jake Zhao, Karol Zieba

The system automatically learns internal representations of the necessary processing steps such as detecting useful road features with only the human steering angle as the training signal.

Lane Detection Self-Driving Cars

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