Search Results for author: Chengxi Yang

Found 6 papers, 3 papers with code

Towards Geometry Guided Neural Relighting with Flash Photography

no code implementations12 Aug 2020 Di Qiu, Jin Zeng, Zhanghan Ke, Wenxiu Sun, Chengxi Yang

By incorporating the depth map, our approach is able to extrapolate realistic high-frequency effects under novel lighting via geometry guided image decomposition from the flashlight image, and predict the cast shadow map from the shadow-encoding transformed depth map.

Image Relighting Intrinsic Image Decomposition

Deep End-to-End Alignment and Refinement for Time-of-Flight RGB-D Module

1 code implementation ICCV 2019 Di Qiu, Jiahao Pang, Wenxiu Sun, Chengxi Yang

Recently, it is increasingly popular to equip mobile RGB cameras with Time-of-Flight (ToF) sensors for active depth sensing.

Optical Flow Estimation

Confidence Inference for Focused Learning in Stereo Matching

no code implementations25 Sep 2018 Ruichao Xiao, Wenxiu Sun, Chengxi Yang

Intuitively, the vari-ance in the Laplacian distribution is large for low confidentpixels while small for high-confidence pixels.

Stereo Matching Stereo Matching Hand

Zoom and Learn: Generalizing Deep Stereo Matching to Novel Domains

1 code implementation CVPR 2018 Jiahao Pang, Wenxiu Sun, Chengxi Yang, Jimmy Ren, Ruichao Xiao, Jin Zeng, Liang Lin

By feeding real stereo pairs of different domains to stereo models pre-trained with synthetic data, we see that: i) a pre-trained model does not generalize well to the new domain, producing artifacts at boundaries and ill-posed regions; however, ii) feeding an up-sampled stereo pair leads to a disparity map with extra details.

Stereo Matching Stereo Matching Hand

Cascade Residual Learning: A Two-stage Convolutional Neural Network for Stereo Matching

1 code implementation30 Aug 2017 Jiahao Pang, Wenxiu Sun, Jimmy SJ. Ren, Chengxi Yang, Qiong Yan

As opposed to directly learning the disparity at the second stage, we show that residual learning provides more effective refinement.

Stereo Matching Stereo Matching Hand

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