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Št. zadetkov: 6
AHiLS—an algorithm for establishing hierarchy among detected weak local reflection symmetries in raster images
David Podgorelec, Ivana Kolingerová, Luka Lovenjak, Borut Žalik
Izvirni znanstveni članek
Oznake: računalniška znanost;računalniška geometrija;računalniški vid;computer science;algorithms;computational geometry;computer vision;shape features;
A new algorithm is presented for detecting the local weak reflection symmetries in raster images. It uses contours extracted from the segmented image. A convex hull is constructed on the contours, and so-called anchor points are placed on it. The bundles of symmetry line candidates are placed in the ...
Leto: 2024 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
State-of-the-art trends in data compression
David Podgorelec, Damjan Strnad, Ivana Kolingerová, Borut Žalik
Izvirni znanstveni članek
Oznake: stiskanje podatkov;obnovitev podatkov;univerzalni algoritmi;data compression;data resoration;universal algorithm;feature;residual;
After a boom that coincided with the advent of the internet, digital cameras, digital video and audio storage and playback devices, the research on data compression has rested on its laurels for a quarter of a century. Domain-dependent lossy algorithms of the time, such as JPEG, AVC, MP3 and others, ...
Leto: 2024 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
ǂA ǂcase study on entropy-aware block-based linear transforms for lossless image compression
Borut Žalik, David Podgorelec, Ivana Kolingerová, Damjan Strnad, Štefan Kohek
Izvirni znanstveni članek
Oznake: computer science;information entropy;prediction;inverse distance transform;string transformations;
Data compression algorithms tend to reduce information entropy, which is crucial, especially in the case of images, as they are data intensive. In this regard, lossless image data compression is especially challenging. Many popular lossless compression methods incorporate predictions and various typ ...
Leto: 2024 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
Geometric Shape Characterisation Based on a Multi-Sweeping Paradigm
Borut Žalik, Damjan Strnad, David Podgorelec, Ivana Kolingerová, Andrej Nerat, Niko Lukač, Štefan Kohek, Luka Lukač
Izvirni znanstveni članek
Oznake: računalniška znanost;računalniška geometrija;analiza slik;computer science;image analysis;computational geometry;local reflection symmetry;
Leto: 2023 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
FLoCIC: A Few Lines of Code for Raster Image Compression
Borut Žalik, Damjan Strnad, Štefan Kohek, Ivana Kolingerová, Andrej Nerat, Niko Lukač, Bogdan Lipuš, Mitja Žalik, David Podgorelec
Izvirni znanstveni članek
Oznake: računalništvo;algoritmi;computer science;algorithm;prediction;interpolative coding;PNG;JPEG LS;JPEG 2000 lossless;
Leto: 2023 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
ǂA ǂnew transformation technique for reducing information entropy
Borut Žalik, Damjan Strnad, David Podgorelec, Ivana Kolingerová, Luka Lukač, Niko Lukač, Simon Kolmanič, Krista Rizman Žalik, Štefan Kohek
Izvirni znanstveni članek
Oznake: računalniška znanost;algoritmi;informacijska entropija;computer science;algorithm;string transformation;information entropy;Hilbert space filling curve;
This paper proposes a new string transformation technique called Move with Interleaving (MwI). Four possible ways of rearranging 2D raster images into 1D sequences of values are applied, including scan-line, left-right, strip-based, and Hilbert arrangements. Experiments on 32 benchmark greyscale ras ...
Leto: 2023 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
Št. zadetkov: 6
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