Search Results for author: Jacek Komorowski

Found 18 papers, 8 papers with code

Sports Camera Pose Refinement Using an Evolution Strategy

no code implementations3 Nov 2022 Grzegorz Rypeść, Grzegorz Kurzejamski, Jacek Komorowski

This paper presents a robust end-to-end method for sports cameras extrinsic parameters optimization using a novel evolution strategy.

Graph-Based Multi-Camera Soccer Player Tracker

no code implementations3 Nov 2022 Jacek Komorowski, Grzegorz Kurzejamski

The paper presents a multi-camera tracking method intended for tracking soccer players in long shot video recordings from multiple calibrated cameras installed around the playing field.

Improving Point Cloud Based Place Recognition with Ranking-based Loss and Large Batch Training

1 code implementation2 Mar 2022 Jacek Komorowski

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes.

Image Retrieval Metric Learning +3

MinkLoc3D-SI: 3D LiDAR place recognition with sparse convolutions, spherical coordinates, and intensity

1 code implementation13 Dec 2021 Kamil Żywanowski, Adam Banaszczyk, Michał R. Nowicki, Jacek Komorowski

The 3D LiDAR place recognition aims to estimate a coarse localization in a previously seen environment based on a single scan from a rotating 3D LiDAR sensor.

3D Place Recognition Autonomous Vehicles

EgoNN: Egocentric Neural Network for Point Cloud Based 6DoF Relocalization at the City Scale

1 code implementation24 Oct 2021 Jacek Komorowski, Monika Wysoczanska, Tomasz Trzcinski

The paper presents a deep neural network-based method for global and local descriptors extraction from a point cloud acquired by a rotating 3D LiDAR.

Position

Large-Scale Topological Radar Localization Using Learned Descriptors

1 code implementation6 Oct 2021 Jacek Komorowski, Monika Wysoczanska, Tomasz Trzcinski

In this work, we propose a method for large-scale topological localization based on radar scan images using learned descriptors.

MinkLoc3D: Point Cloud Based Large-Scale Place Recognition

1 code implementation9 Nov 2020 Jacek Komorowski

Thus, state-of-the-art methods enhance vanilla PointNet architecture by adding different mechanism to capture local contextual information, such as graph convolutional networks or using hand-crafted features.

3D Place Recognition Metric Learning +1

SuperNCN: Neighbourhood consensus network for robust outdoor scenes matching

no code implementations10 Dec 2019 Grzegorz Kurzejamski, Jacek Komorowski, Lukasz Dabala, Konrad Czarnota, Simon Lynen, Tomasz Trzcinski

In this paper, we present a framework for computing dense keypoint correspondences between images under strong scene appearance changes.

Domain Adaptation Pose Estimation

FootAndBall: Integrated player and ball detector

1 code implementation10 Dec 2019 Jacek Komorowski, Grzegorz Kurzejamski, Grzegorz Sarwas

The paper describes a deep neural network-based detector dedicated for ball and players detection in high resolution, long shot, video recordings of soccer matches.

DeepBall: Deep Neural-Network Ball Detector

3 code implementations19 Feb 2019 Jacek Komorowski, Grzegorz Kurzejamski, Grzegorz Sarwas

The paper describes a deep network based object detector specialized for ball detection in long shot videos.

General Classification Object +2

SConE: Siamese Constellation Embedding Descriptor for Image Matching

no code implementations28 Sep 2018 Tomasz Trzcinski, Jacek Komorowski, Lukasz Dabala, Konrad Czarnota, Grzegorz Kurzejamski, Simon Lynen

Numerous computer vision applications rely on local feature descriptors, such as SIFT, SURF or FREAK, for image matching.

Face Recognition Based on Sequence of Images

no code implementations28 Sep 2018 Jacek Komorowski, Przemyslaw Rokita

This paper presents a face recognition method based on a sequence of images.

Face Model Face Recognition

Interest point detectors stability evaluation on ApolloScape dataset

no code implementations28 Sep 2018 Jacek Komorowski, Konrad Czarnota, Tomasz Trzcinski, Lukasz Dabala, Simon Lynen

In the recent years, a number of novel, deep-learning based, interest point detectors, such as LIFT, DELF, Superpoint or LF-Net was proposed.

Autonomous Driving

Camera Pose Estimation from Sequence of Calibrated Images

no code implementations28 Sep 2018 Jacek Komorowski, Przemyslaw Rokita

In this paper a method for camera pose estimation from a sequence of images is presented.

Pose Estimation

Aggregation of binary feature descriptors for compact scene model representation in large scale structure-from-motion applications

no code implementations28 Sep 2018 Jacek Komorowski, Tomasz Trzcinski

In this paper we present an efficient method for aggregating binary feature descriptors to allow compact representation of 3D scene model in incremental structure-from-motion and SLAM applications.

Extrinsic camera calibration method and its performance evaluation

no code implementations28 Sep 2018 Jacek Komorowski, Przemyslaw Rokita

This paper presents a method for extrinsic camera calibration (estimation of camera rotation and translation matrices) from a sequence of images.

Camera Calibration Translation

Evaluation of Hashing Methods Performance on Binary Feature Descriptors

no code implementations21 Jul 2017 Jacek Komorowski, Tomasz Trzcinski

In this paper we evaluate performance of data-dependent hashing methods on binary data.

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