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Chi-Sing Leung

6 accepted papers

2025

BlueNeg: A 35mm Negative Film Dataset for Restoring Channel-Heterogeneous Deterioration

ICCV 2025poster

While digitally acquired photographs have been dominating since around 2000, there remains a huge amount of legacy photographs being acquired by optical cameras and are stored in the form of film negatives. In this paper, we address the unique challenge of channel-heterogeneous deterioration in film…

2024

AiOS: All-in-One-Stage Expressive Human Pose and Shape Estimation

CVPR 2024poster

Expressive human pose and shape estimation (a.k.a. 3D whole-body mesh recovery) involves the human body hand and expression estimation. Most existing methods have tackled this task in a two-stage manner first detecting the human body part with an off-the-shelf detection model and then inferring the…

2023

Semantic-Aware Gated Fusion Network For Interactive Colorization

ICASSP 2023accepted

Deep neural networks boost many successful colorization methods, including automatic, interactive, and exemplar-based methods. Among them, interactive methods with global and/or local inputs are probably the most flexible to accurately add colors to a gray image. However, due to the sparseness of in…

Cited by 0SourceScholar
2022

Histogram-Guided Semantic-Aware Colorization

ICASSP 2022accepted

User-guided colorization can predict the colors of a grayscale image according to user inputs, including exemplar images, local inputs and global inputs. Global inputs-based methods are probably the easiest ones to use, but are hard to distribute the input colors into correct regions, due to the lac…

Cited by 0SourceScholar
2019

Interactive Deep Colorization Using Simultaneous Global and Local Inputs

ICASSP 2019accepted

Colorization methods using deep neural networks have become a recent trend. However, most of them do not allow user inputs, or only allow limited user inputs (only global inputs or only local inputs), to control the output colorful images. The possible reason is that it's difficult to differentiate…

Cited by 0SourceScholar