Bumsub Ham

Fast Global Image Smoothing Based on Weighted Least Squares

Dongbo Min, Sunghwan Choi, Jiangbo Lu, Bumsub Ham, Kwanghoon Sohn, Minh N. Do
IEEE Transactions on Image Processing
2014

This paper presents an efficient technique for performing a spatially inhomogeneous edge-preserving image smoothing, called fast global smoother. Focusing on sparse Laplacian matrices consisting of a… (More)

Robust image filtering using joint static and dynamic guidance

Bumsub Ham, Minsu Cho, Jean Ponce
2015 IEEE Conference on Computer Vision and…
2015

Regularizing images under a guidance signal has been used in various tasks in computer vision and computational photography, particularly for noise reduction and joint upsampling. The aim is to… (More)

Proposal Flow

Bumsub Ham, Minsu Cho, Cordelia Schmid, Jean Ponce
2016 IEEE Conference on Computer Vision and…
2016

Finding image correspondences remains a challenging problem in the presence of intra-class variations and large changes in scene layout. Semantic flow methods are designed to handle images depicting… (More)

Robust Guided Image Filtering Using Nonconvex Potentials

Bumsub Ham, Minsu Cho, Jean Ponce
IEEE Transactions on Pattern Analysis and Machine…
2018

Filtering images using a guidance signal, a process called guided or joint image filtering, has been used in various tasks in computer vision and computational photography, particularly for noise… (More)

DASC: Dense adaptive self-correlation descriptor for multi-modal and multi-spectral correspondence

Seungryong Kim, Dongbo Min, Bumsub Ham, Seungchul Ryu, Minh N. Do, Kwanghoon Sohn
2015 IEEE Conference on Computer Vision and…
2015

Establishing dense visual correspondence between multiple images is a fundamental task in many applications of computer vision and computational photography. Classical approaches, which aim to… (More)

Visual fatigue evaluation and enhancement for 2D-plus-depth video

Jaeseob Choi, Donghyun Kim, Bumsub Ham, Sunghwan Choi, Kwanghoon Sohn
2010 IEEE International Conference on Image…
2010

A 3D video is expected to be a representative technique of realistic system but still has some problems such as visual fatigue and headache. In this paper, we propose a visual fatigue evaluation… (More)

Space-Time Hole Filling With Random Walks in View Extrapolation for 3D Video

Sunghwan Choi, Bumsub Ham, Kwanghoon Sohn
IEEE Transactions on Image Processing
2013

In this paper, a space-time hole filling approach is presented to deal with a disocclusion when a view is synthesized for the 3D video. The problem becomes even more complicated when the view is… (More)

SCNet: Learning Semantic Correspondence

Kai Han, Rafael S. Rezende, +4 authors Jean Ponce
2017 IEEE International Conference on Computer…
2017

This paper addresses the problem of establishing semantic correspondences between images depicting different instances of the same object or scene category. Previous approaches focus on either… (More)

Probability-Based Rendering for View Synthesis

Bumsub Ham, Dongbo Min, Changjae Oh, Minh N. Do, Kwanghoon Sohn
IEEE Transactions on Image Processing
2014

In this paper, a probability-based rendering (PBR) method is described for reconstructing an intermediate view with a steady-state matching probability (SSMP) density function. Conventionally, given… (More)

Proposal Flow: Semantic Correspondences from Object Proposals

Bumsub Ham, Minsu Cho, Cordelia Schmid, Jean Ponce
IEEE Transactions on Pattern Analysis and Machine…
2018

Finding image correspondences remains a challenging problem in the presence of intra-class variations and large changes in scene layout. Semantic flow methods are designed to handle images depicting… (More)

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