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- Publications
- Influence
Defocus map estimation from a single image
- Shaojie Zhuo, T. Sim
- Mathematics, Computer Science
- Pattern Recognit.
- 1 September 2011
In this paper, we address the challenging problem of recovering the defocus map from a single image. We present a simple yet effective approach to estimate the amount of spatially varying defocus… Expand
Cross-Field Joint Image Restoration via Scale Map
- Q. Yan, Xiaoyong Shen, +4 authors J. Jia
- Computer Science
- IEEE International Conference on Computer Vision
- 1 December 2013
Color, infrared, and flash images captured in different fields can be employed to effectively eliminate noise and other visual artifacts. We propose a two-image restoration framework considering… Expand
Correcting over-exposure in photographs
- D. Guo, Yuan Cheng, Shaojie Zhuo, T. Sim
- Computer Science
- IEEE Computer Society Conference on Computer…
- 13 June 2010
This paper introduces a method to correct over-exposure in an existing photograph by recovering the color and lightness separately. First, the dynamic range of well exposed region is slightly… Expand
Semantic colorization with internet images
- Alex Yong Sang Chia, Shaojie Zhuo, +4 authors Stephen Lin
- Computer Science
- SA '11
- 1 December 2011
Colorization of a grayscale photograph often requires considerable effort from the user, either by placing numerous color scribbles over the image to initialize a color propagation algorithm, or by… Expand
Robust flash deblurring
- Shaojie Zhuo, D. Guo, T. Sim
- Computer Science
- IEEE Computer Society Conference on Computer…
- 13 June 2010
Motion blur due to camera shake is an annoying yet common problem in low-light photography. In this paper, we propose a novel method to recover a sharp image from a pair of motion blurred and flash… Expand
Enhancing low light images using near infrared flash images
- Shaojie Zhuo, X. Zhang, X. Miao, T. Sim
- Computer Science
- IEEE International Conference on Image Processing
- 3 December 2010
In low light environment, photographs taken with a high ISO setting suffer from significant noise. In this paper, we propose to use a near infrared (NIR) flash image, instead of a normal visible… Expand
Near-infrared guided color image dehazing
- Chen Feng, Shaojie Zhuo, X. Zhang, L. Shen, S. Süsstrunk
- Computer Science
- IEEE International Conference on Image Processing
- 1 September 2013
Near-infrared (NIR) light has stronger penetration capability than visible light due to its long wavelengths and is thus less scattered by particles in the air. This makes it desirable for image… Expand
High Resolution Photography with an RGB-Infrared Camera
- Huixuan Tang, X. Zhang, Shaojie Zhuo, F. Chen, Kiriakos N. Kutulakos, L. Shen
- Computer Science
- IEEE International Conference on Computational…
- 24 April 2015
A convenient solution to RGB-Infrared photography is to extend the basic RGB mosaic with a fourth filter type with high transmittance in the near-infrared band. Unfortunately, applying conventional… Expand
On the Recovery of Depth from a Single Defocused Image
- Shaojie Zhuo, T. Sim
- Computer Science
- CAIP
- 29 August 2009
In this paper we address the challenging problem of recovering the depth of a scene from a single image using defocus cue. To achieve this, we first present a novel approach to estimate the amount of… Expand
Automatic local exposure correction using bright channel prior for under-exposed images
- Yinting Wang, Shaojie Zhuo, Dapeng Tao, J. Bu, N. Li
- Mathematics, Computer Science
- Signal Process.
- 1 November 2013
We address the problem of exposure correction for under-exposed images in this paper. We propose the bright channel prior based on the statistics of well-exposed images. Using the proposed prior, we… Expand