Search Results for author: Marcin Pietroń

Found 17 papers, 1 papers with code

Towards efficient deep autoencoders for multivariate time series anomaly detection

no code implementations4 Mar 2024 Marcin Pietroń, Dominik Żurek, Kamil Faber, Roberto Corizzo

First, pruning reduces the number of weights, while preventing catastrophic drops in accuracy by means of a fast search process that identifies high sparsity levels.

Anomaly Detection Model Compression +3

Estimation of River Water Surface Elevation Using UAV Photogrammetry and Machine Learning

no code implementations5 Jun 2023 Radosław Szostak, Marcin Pietroń, Przemysław Wachniew, Mirosław Zimnoch, Paweł Ćwiąkała

The data set was supplemented with data collected by other researchers that compared the state-of-the-art methods for determining WSE using an UAV.

Chosen methods of improving small object recognition with weak recognizable features

no code implementations29 Aug 2022 Magdalena Stachoń, Marcin Pietroń

In this work the GAN-based method with augmentation is presented to improve small object detection on VOC Pascal dataset.

Object object-detection +2

Speedup deep learning models on GPU by taking advantage of efficient unstructured pruning and bit-width reduction

no code implementations28 Dec 2021 Marcin Pietroń, Dominik Żurek

One of the most common techniques for improving the efficiency of CNN models is weight pruning and quantization.

Quantization

Ensemble neuroevolution based approach for multivariate time series anomaly detection

no code implementations8 Aug 2021 Kamil Faber, Dominik Żurek, Marcin Pietroń, Kamil Piętak

To our knowledge, this is the first approach in which an ensemble deep learning anomaly detection model is built in a fully automatic way using a neuroevolution strategy.

Anomaly Detection Time Series +1

Training with reduced precision of a support vector machine model for text classification

no code implementations17 Jul 2020 Dominik Żurek, Marcin Pietroń

This paper presents the impact of using quantization on the efficiency of multi-class text classification in the training process of a support vector machine (SVM).

General Classification Multi Class Text Classification +3

Using Spatial Pooler of Hierarchical Temporal Memory to classify noisy videos with predefined complexity

no code implementations10 Sep 2016 Maciej Wielgosz, Marcin Pietroń

The authors conducted a series of experiments for various macro parameters of HTM SP, as well as for different levels of video reduction ratios.

Object Recognition

OpenCL-accelerated object classification in video streams using Spatial Pooler of Hierarchical Temporal Memory

no code implementations5 Aug 2016 Maciej Wielgosz, Marcin Pietroń

The classification accuracy of the system was examined through a series of experiments and the performance was given in terms of F1 score as a function of the number of columns, synapses, $min\_overlap$ and $winners\_set\_size$.

General Classification

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