Chenyan Bai

cybai AT cnu.edu.cn

Assistant professor

Capital Normal University

Personal Site


I am an assistant professor at Capital Normal University. I completed my Ph.D. from Beijing Jiaotong University under the supervision of Prof. Zhouchen Lin and Prof. Jian Yu. I received the Excellent Ph.D. Thesis Award by Beijing Society of Image and Graphics in 2018.


  • Image Processing
  • Computational Photography
  • Machine Learning


  • Ph.D. in Computer Science, 2011-2016

    Beijing Jiaotong University

  • MSc in Software Engineering, 2008-2011

    Hebei University

  • BSc in Network Engineering, 2004-2008

    Hebei University

Publications @ZERO Lab

Demosaicking based on Channel-Correlation Adaptive Dictionary Learning. JEI, 2018.

We propose a channel-correlation adaptive dictionary learning based demosaicking (CADLD).

Automatic Design of High-Sensitivity Color Filter Arrays with Panchromatic Pixels. TIP, 2017.

We propose a fully automatic approach to designing high-sensitivity CFAs using panchromatic pixels based on a mathematical model.

Optimized Color Filter Arrays for Sparse Representation Based Demosaicking. TIP, 2017.

In this paper, we consider optimally designing CFAs for sparse representation-based demosaicking, where the dictionary is well-chosen.

Penrose High Dynamic Range Imaging. JEI, 2017.

We propose the Penrose pixel layout, using pixels in aperiodic rhombus Penrose tiling, for HDR imaging.

Automatic Design of Color Filter Arrays in the Frequency Domain. TIP, 2016.

We present a new method to automatically design CFAs in the frequency domain.

Penrose Demosaicking. TIP, 2015.

Penrose demosaicking is more difficult than regular demosaicking, because none of the color components of the reconstructed regular …