Petra Helmholz

Petra Helmholz, H. K. Febriawan, I. M. Parnum, 2019, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences.

Building detection and regularisation using DSM and imagery information

David Belton, Petra Helmholz, Dimitri Bulatov, 2019 .

Ground truthing protocols for biomass estimation in rangeland environments

Petra Helmholz, Antonius G. T. Schut, David W. Lamb, 2013, 2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS.

APPROACH FOR THE SEMI-AUTOMATIC VERIFICATION OF 3D BUILDING MODELS

David Belton, Simon Moncrieff, Petra Helmholz, 2013 .

Grammar-based Automatic 3D Model Reconstruction from Terrestrial Laser Scanning Data

David Belton, Geoff West, Petra Helmholz, 2014 .

EVALUATION OF MODEL RECOGNITION FOR GRAMMAR-BASED AUTOMATIC 3D BUILDING MODEL RECONSTRUCTION

Qian Yu, David Belton, Petra Helmholz, 2016 .

DTM Extraction and building detection in DSMs having large holes

Petra Helmholz, Dimitri Bulatov, Fanar M. Abed, 2021, Remote Sensing.

MODEL-TO-IMAGE REGISTRATION AND AUTOMATIC TEXTURE MAPPING USING A VIDEO SEQUENCE TAKEN BY A MINI UAV

Uwe Stilla, Petra Helmholz, D. Iwaszczuk, 2013 .

SCAN PROFILES BASED METHOD FOR SEGMENTATION AND EXTRACTION OF PLANAR OBJECTS IN MOBILE LASER SCANNING POINT CLOUDS

David Belton, Petra Helmholz, Hoang Long Nguyen, 2016 .

Empirical investigation of a Stochastic model based on intensity values for terrestrial laser scanning

David Belton, Petra Helmholz, D. Belton, 2018 .

A novel protocol for assessment of aboveground biomass in rangeland environments

Petra Helmholz, A.G.T. Schut, G. E. Donald, 2015 .

Pilbara rock art: laser scanning, photogrammetry and 3D photographic reconstruction as heritage management tools

Paul Bourke, David Belton, Petra Helmholz, 2017, Heritage Science.

Evaluation of vegetation indices for rangeland biomass estimation in the Kimberley area of Western Australia

Petra Helmholz, A.G.T. Schut, Robert J. Corner, 2014 .

3-Dimensional Facial Analysis—Facing Precision Public Health

Petra Helmholz, Gareth Baynam, Anne Hawkins, 2017, Front. Public Health.

MULTISPECTRAL ANALYSIS OF INDIGENOUS ROCK ART USING TERRESTRIAL LASER SCANNING

David Belton, Petra Helmholz, D. Belton, 2016 .

Potential evaluation of different types of images and their combination for the classification of gis objects cropland and grassland

Petra Helmholz, J. A. Recio, P. Helmholz, 2012 .

COMPARISON OF UAV LIDAR AND IMAGERY FOR BEACH MONITORING

David Belton, Petra Helmholz, L. Shaw, 2019, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences.

Semiautomatic quality control of topographic reference datasets

Jörn Ostermann, Christian Heipke, Petra Helmholz, 2010 .