Search Results for author: Panagiotis Meletis

Found 13 papers, 6 papers with code

Training Semantic Segmentation on Heterogeneous Datasets

no code implementations18 Jan 2023 Panagiotis Meletis, Gijs Dubbelman

We explore semantic segmentation beyond the conventional, single-dataset homogeneous training and bring forward the problem of Heterogeneous Training of Semantic Segmentation (HTSS).

Segmentation Semantic Segmentation

Towards holistic scene understanding: Semantic segmentation and beyond

no code implementations16 Jan 2022 Panagiotis Meletis

Motivated by memory and computation efficiency requirements, in Chapter 5, we rethink simultaneous training on heterogeneous datasets and propose a universal semantic segmentation framework.

object-detection Object Detection +5

Deep Adaptive Multi-Intention Inverse Reinforcement Learning

1 code implementation14 Jul 2021 Ariyan Bighashdel, Panagiotis Meletis, Pavol Jancura, Gijs Dubbelman

This paper presents a deep Inverse Reinforcement Learning (IRL) framework that can learn an a priori unknown number of nonlinear reward functions from unlabeled experts' demonstrations.

reinforcement-learning Reinforcement Learning (RL)

Merging Tasks for Video Panoptic Segmentation

no code implementations10 Jul 2021 Jake Rap, Panagiotis Meletis

In this paper, the task of video panoptic segmentation is studied and two different methods to solve the task will be proposed.

Multi-Object Tracking Segmentation +1

Part-aware Panoptic Segmentation

1 code implementation CVPR 2021 Daan de Geus, Panagiotis Meletis, Chenyang Lu, Xiaoxiao Wen, Gijs Dubbelman

In this work, we introduce the new scene understanding task of Part-aware Panoptic Segmentation (PPS), which aims to understand a scene at multiple levels of abstraction, and unifies the tasks of scene parsing and part parsing.

Image Segmentation Panoptic Segmentation +3

Fast Panoptic Segmentation Network

no code implementations9 Oct 2019 Daan de Geus, Panagiotis Meletis, Gijs Dubbelman

For lower resolutions of the Cityscapes dataset and for the Pascal VOC dataset, FPSNet runs at 22 and 35 frames per second, respectively.

Panoptic Segmentation Segmentation

Data Selection for training Semantic Segmentation CNNs with cross-dataset weak supervision

no code implementations16 Jul 2019 Panagiotis Meletis, Rob Romijnders, Gijs Dubbelman

Training convolutional networks for semantic segmentation with strong (per-pixel) and weak (per-bounding-box) supervision requires a large amount of weakly labeled data.

Semantic Segmentation

On Boosting Semantic Street Scene Segmentation with Weak Supervision

1 code implementation8 Mar 2019 Panagiotis Meletis, Gijs Dubbelman

We collect street scene images and weak labels from the immense Open Images dataset to generate the OpenScapes dataset, and we use this novel dataset to increase segmentation performance on two established per-pixel labeled datasets, Cityscapes and Vistas.

Scene Segmentation Segmentation

A Domain Agnostic Normalization Layer for Unsupervised Adversarial Domain Adaptation

no code implementations14 Sep 2018 Rob Romijnders, Panagiotis Meletis, Gijs Dubbelman

We show that conventional normalization layers worsen the performance of current Unsupervised Adversarial Domain Adaption (UADA), which is a method to improve network performance on unlabeled datasets and the focus of our research.

Domain Adaptation Scene Segmentation

Panoptic Segmentation with a Joint Semantic and Instance Segmentation Network

no code implementations CoRR 2019 Daan de Geus, Panagiotis Meletis, Gijs Dubbelman

For instance segmentation, a Mask R-CNN type of architecture is used, while the semantic segmentation branch is augmented with a Pyramid Pooling Module.

Instance Segmentation Panoptic Segmentation +1

Training of Convolutional Networks on Multiple Heterogeneous Datasets for Street Scene Semantic Segmentation

2 code implementations15 Mar 2018 Panagiotis Meletis, Gijs Dubbelman

We propose a convolutional network with hierarchical classifiers for per-pixel semantic segmentation, which is able to be trained on multiple, heterogeneous datasets and exploit their semantic hierarchy.

Semantic Segmentation

Cannot find the paper you are looking for? You can Submit a new open access paper.