Search Results for author: Zicheng Liao

Found 9 papers, 2 papers with code

FedDiv: Collaborative Noise Filtering for Federated Learning with Noisy Labels

1 code implementation19 Dec 2023 Jichang Li, Guanbin Li, Hui Cheng, Zicheng Liao, Yizhou Yu

However, these prior methods do not learn noise filters by exploiting knowledge across all clients, leading to sub-optimal and inferior noise filtering performance and thus damaging training stability.

Federated Learning Learning with noisy labels +1

Boundary Cues for 3D Object Shape Recovery

no code implementations CVPR 2013 Kevin Karsch, Zicheng Liao, Jason Rock, Jonathan T. Barron, Derek Hoiem

Early work in computer vision considered a host of geometric cues for both shape reconstruction and recognition.

Object

An Approximate Shading Model with Detail Decomposition for Object Relighting

no code implementations20 Apr 2018 Zicheng Liao, Kevin Karsch, Hongyi Zhang, David Forsyth

We present an object relighting system that allows an artist to select an object from an image and insert it into a target scene.

Object

Structured Label Inference for Visual Understanding

1 code implementation18 Feb 2018 Nelson Nauata, Hexiang Hu, Guang-Tong Zhou, Zhiwei Deng, Zicheng Liao, Greg Mori

In this paper, we exploit this rich structure for performing graph-based inference in label space for a number of tasks: multi-label image and video classification and action detection in untrimmed videos.

Action Detection General Classification +3

Piecewise Flat Embedding for Image Segmentation

no code implementations ICCV 2015 Chaowei Fang, Zicheng Liao, Yizhou Yu

We introduce a new multi-dimensional nonlinear embedding -- Piecewise Flat Embedding (PFE) -- for image segmentation.

Clustering Contour Detection +3

An Approximate Shading Model for Object Relighting

no code implementations CVPR 2015 Zicheng Liao, Kevin Karsch, David Forsyth

With this object model, we build an object relighting system that allows an artist to select an object from an image and insert it into a 3D scene.

Object

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