Helmut Ahammer - Publications, H-index & Citations

Helmut Ahammer

Medical University of Graz

28H指数

112论文数

3.1K被引数

收录论文 30

发表时间

Spatial Epidemiology of Pediatric Cancer in Romania: A Decade of Persistence, Continuity, and Localized Hotspots (Temporal Trend 2008-2017)

PEDIATRIC REPORTS

IF1.4

2025-11-05

OAAI

Nedelcu, Iulia Daniela; Andronache, Ion; Liritzis, Ioannis; Ahammer, Helmut; Jelinek, Herbert Franz; Gruia, Andreea Karina; Peptenatu, Daniel; Radulovic, Marko

Using Succolarity as a Measure of Slope Accessibility in Undeveloped Areas 将Succolarity作为未开发区域坡度可达性的衡量标准

Land 2025, Vol. 14, Page 2171

IF3.2

2025-10-31

OAAI

Daniel Peptenatu; Ion Andronache; Marian Marin; Helmut Ahammer; Marko Radulovic; Herbert F. Jelinek; Andreea Karina Gruia; Alexandra Grecu; Ionuț Constantin; Viorel Mihăilă; Daniel Constantin Diaconu; Ionuț Săvulescu; Aurel Băloi; Cristian Constantin Drăghici

A new fractal index to classify forest fragmentation and disorder (vol 38, pg 1373, 2023)

LANDSCAPE ECOLOGY

IF3.7

2023-10-09

OAAI

Peptenatu, Daniel; Andronache, Ion; Ahammer, Helmut; Radulovic, Marko; Costanza, Jennifer K.; Jelinek, Herbert F.; Di Ieva, Antonio; Koyama, Kohei; Grecu, Alexandra; Gruia, Andreea Karina; Simion, Adrian-Gabriel; Nedelcu, Iulia Daniela; Olteanu, Cosmin; Draghici, Cristian-Constantin; Marin, Marian; Diaconu, Daniel Constantin; Fensholt, Rasmus; Newman, Erica A.

The Spatial-Temporal Dimension of Oncological Prevalence and Mortality in Romania

GEOHEALTH

IF3.8

2023-10-04

OAAI

Peptenatu, D.; Nedelcu, I. D.; Pop, C. S.; Simion, A. G.; Furtunescu, F.; Burcea, M.; Andronache, I.; Radulovic, M.; Jelinek, H. F.; Ahammer, H.; Gruia, A. K.; Grecu, A.; Popa, M. C.; Militaru, V.; Draghici, C. C.; Pintilii, R. D.

A new fractal index to classify forest fragmentation and disorder

LANDSCAPE ECOLOGY

IF3.7

2023-04-07

OAAI

Kolmogorov compression complexity may differentiate different schools of Orthodox iconography

SCIENTIFIC REPORTS

IF3.9

2022-06-24

OAAI

Peptenatu, Daniel; Andronache, Ion; Ahammer, Helmut; Taylor, Richard; Liritzis, Ioannis; Radulovic, Marko; Ciobanu, Bogdan; Burcea, Marin; Perc, Matjaz; Pham, Tuan D.; Tomic, Bojan M.; Cirstea, Cosmin Iulian; Lemeni, Adrian Nicolae; Gruia, Andreea Karina; Grecu, Alexandra; Marin, Marian; Jelinek, Herbert Franz

Directionally Sensitive Fractal Radiomics Compatible With Irregularly Shaped Magnetic Resonance Tumor Regions of Interest: Association With Osteosarcoma Chemoresistance

JOURNAL OF MAGNETIC RESONANCE IMAGING

IF3.5

2022-05-13

PREAI

Djuricic, Goran J.; Ahammer, Helmut; Rajkovic, Stanislav; Kovac, Jelena Djokic; Milosevic, Zorica; Sopta, Jelena P.; Radulovic, Marko

Particularities of Forest Dynamics Using Higuchi Dimension. Parang Mountains as a Case Study

FRACTAL AND FRACTIONAL

IF3.3

2021-08-13

OAAI

Simion, Adrian Gabriel; Andronache, Ion; Ahammer, Helmut; Marin, Marian; Loghin, Vlad; Nedelcu, Iulia Daniela; Popa, Cristian Mihnea; Peptenatu, Daniel; Jelinek, Herbert Franz

GIRK1 triggers multiple cancer-related pathways in the benign mammary epithelial cell line MCF10A

SCIENTIFIC REPORTS

IF3.9

2019-12-17

OAAI

Schratter, Gebhard; Scheruebel, Susanne; Langthaler, Sonja; Ester, Katja; Pelzmann, Brigitte; Ghaffari-Tabrizi-Wizsy, Nassim; Rezania, Simin; Gorischek, Astrid; Platzer, Dieter; Zorn-Pauly, Klaus; Ahammer, Helmut; Prokesch, Andreas; Stanzer, Stefanie; Devaney, Trevor T. J.; Schmidt, Kurt; Jahn, Stephan W.; Prassl, Ruth; Bauernhofer, Thomas; Schreibmayer, Wolfgang

Application of Fractal and Gray-Level Co-Occurrence Matrix Indices to Assess the Forest Dynamics in the Curvature Carpathians-Romania

SUSTAINABILITY

IF3.3

2019-12-05

OAAI

Ciobotaru, Ana-Maria; Andronache, Ion; Ahammer, Helmut; Radulovic, Marko; Peptenatu, Daniel; Pintilii, Radu-Daniel; Draghici, Cristian-Constantin; Marin, Marian; Carboni, Donatella; Mariotti, Gavino; Fensholt, Rasmus

Relative Body Weight and Standardised Brightness-Mode Ultrasound Measurement of Subcutaneous Fat in Athletes: An International Multicentre Reliability Study, Under the Auspices of the IOC Medical Commission

SPORTS MEDICINE

IF9.4

2019-09-30

OAAI

Mueller, Wolfram; Fuerhapter-Rieger, Alfred; Ahammer, Helmut; Lohman, Timothy G.; Meyer, Nanna L.; Sardinha, Luis B.; Stewart, Arthur D.; Maughan, Ronald J.; Sundgot-Borgen, Jorunn; Mueller, Tom; Harris, Margaret; Kirihennedige, Nuwanee; Magalhaes, Joao P.; Melo, Xavier; Pirstinger, Wolfram; Reguant-Closa, Alba; Risoul-Salas, Vanessa; Ackland, Timothy R.

Dynamics of Forest Fragmentation and Connectivity Using Particle and Fractal Analysis

SCIENTIFIC REPORTS

IF3.9

2019-08-22

OAAI

Andronache, Ion; Marin, Marian; Fischer, Rico; Ahammer, Helmut; Radulovic, Marko; Ciobotaru, Ana-Maria; Jelinek, Herbert F.; Di Ieva, Antonio; Pintilii, Radu-Daniel; Draghici, Cristian-Constantin; Herman, Grigore Vasile; Nicula, Alexandru-Sabin; Simion, Adrian-Gabriel; Loghin, Ioan-Vlad; Diaconu, Daniel-Constantin; Peptenatu, Daniel

ANALYSIS OF ANAL INTRAEPITHELIAL NEOPLASIA IMAGES USING 1D AND 2D HIGUCHI's FRACTAL DIMENSION METHODS

FRACTALS-COMPLEX GEOMETRY PATTERNS AND SCALING IN NATURE AND SOCIETY

IF2.9

2018-06-21

PREAI

Klonowski, W.; Stepien, P.; Stepien, R.; Sedivy, R.; Ahammer, H.; Spasic, S. Z.

Sinoatrial Beat to Beat Variability Assessed by Contraction Strength in Addition to the Interbeat Interval

FRONTIERS IN PHYSIOLOGY

IF3.4

2018-05-18

OAAI

Ahammer, Helmut; Scheruebel, Susanne; Arnold, Robert; Mayrhofer-Reinhartshuber, Michael; Lang, Petra; Dolgos, Adam; Pelzmann, Brigitte; Zorn-Pauly, Klaus

Age is reflected in the Fractal Dimensionality of MRI Diffusion Based Tractography

SCIENTIFIC REPORTS

IF3.9

2018-04-03

OAAI

Reishofer, Gernot; Studencnik, Fritz; Koschutnig, Karl; Deutschmann, Hannes; Ahammer, Helmut; Wood, Guilherme

Advantages and problems of nonlinear methods applied to analyze physiological time signals: human balance control as an example

SCIENTIFIC REPORTS

IF3.9

2017-05-26

OAAI

Mueller, Wolfram; Jung, Alexander; Ahammer, Helmut

Subcutaneous fat patterning in athletes: selection of appropriate sites and standardisation of a novel ultrasound measurement technique: ad hoc working group on body composition, health and performance, under the auspices of the IOC Medical Commission

BRITISH JOURNAL OF SPORTS MEDICINE

IF16.2

2015-12-23

OAAI

Mueller, Wolfram; Lohman, Timothy G.; Stewart, Arthur D.; Maughan, Ronald J.; Meyer, Nanna L.; Sardinha, Luis B.; Kirihennedige, Nuwanee; Reguant-Closa, Alba; Risoul-Salas, Vanessa; Sundgot-Borgen, Jorunn; Ahammer, Helmut; Anderhuber, Friedrich; Fuerhapter-Rieger, Alfred; Kainz, Philipp; Materna, Wilfried; Pilsl, Ulrike; Pirstinger, Wolfram; Ackland, Timothy R.

Multiscale analysis of tortuosity in retinal images using wavelets and fractal methods

PATTERN RECOGNITION LETTERS

IF3.3

2015-12-01

PREAI

Mayrhofer-Reinhartshuber, Michael; Cornforth, David J.; Ahammer, Helmut; Jelinek, Herbert F.

Improvements on coronal hole detection in SDO/AIA images using supervised classification

JOURNAL OF SPACE WEATHER AND SPACE CLIMATE

IF2.7

2015-07-10

OAAI

Reiss, Martin A.; Hofmeister, Stefan J.; De Visscher, Ruben; Temmer, Manuela; Veronig, Astrid M.; Delouille, VRonique; Mampaey, Benjamin; Ahammer, Helmut

Distribution of decidual natural killer cells and macrophages in the neighbourhood of the trophoblast invasion front: a quantitative evaluation

HUMAN REPRODUCTION

IF6.1

2013-10-18

OAAI

Helige, C.; Ahammer, H.; Moser, G.; Hammer, A.; Dohr, G.; Huppertz, B.; Sedlmayr, P.

研究方向