Search Results for author: Georg Waltner

Found 7 papers, 1 papers with code

FuseSeg: LiDAR Point Cloud Segmentation Fusing Multi-Modal Data

no code implementations18 Dec 2019 Georg Krispel, Michael Opitz, Georg Waltner, Horst Possegger, Horst Bischof

We introduce a simple yet effective fusion method of LiDAR and RGB data to segment LiDAR point clouds.

Point Cloud Segmentation

Deep 2.5D Vehicle Classification with Sparse SfM Depth Prior for Automated Toll Systems

no code implementations9 May 2018 Georg Waltner, Michael Maurer, Thomas Holzmann, Patrick Ruprecht, Michael Opitz, Horst Possegger, Friedrich Fraundorfer, Horst Bischof

Furthermore due to the design of the network, at test time only the 2D camera images are required for classification which enables the usage in portable computer vision systems.

3D Object Classification Classification +2

Deep Metric Learning with BIER: Boosting Independent Embeddings Robustly

1 code implementation15 Jan 2018 Michael Opitz, Georg Waltner, Horst Possegger, Horst Bischof

To this end, we divide the last embedding layer of a deep network into an embedding ensemble and formulate training this ensemble as an online gradient boosting problem.

Image Retrieval Metric Learning +1

BIER - Boosting Independent Embeddings Robustly

no code implementations ICCV 2017 Michael Opitz, Georg Waltner, Horst Possegger, Horst Bischof

Learning similarity functions between image pairs with deep neural networks yields highly correlated activations of large embeddings.

Image Retrieval Metric Learning +1

Grid Loss: Detecting Occluded Faces

no code implementations1 Sep 2016 Michael Opitz, Georg Waltner, Georg Poier, Horst Possegger, Horst Bischof

Detection of partially occluded objects is a challenging computer vision problem.

Face Detection

Encoding Based Saliency Detection for Videos and Images

no code implementations CVPR 2015 Thomas Mauthner, Horst Possegger, Georg Waltner, Horst Bischof

We present a novel video saliency detection method to support human activity recognition and weakly supervised training of activity detection algorithms.

Activity Detection Human Activity Recognition +4

Indoor Activity Detection and Recognition for Sport Games Analysis

no code implementations25 Apr 2014 Georg Waltner, Thomas Mauthner, Horst Bischof

This paper describes recognition of single player activities in sport with special emphasis on volleyball.

Action Detection Activity Detection +1

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