Segmentation of microcalcifications in mammograms

J Dengler, S Behrens, JF Desaga - IEEE transactions on …, 1993 - ieeexplore.ieee.org
A systematic method for the detection and segmentation of microcalcifications in mammograms
is presented. It is important to preserve size and shape of the individual calcifications as …

Controlling ettringite precipitation and rheological behavior in ordinary Portland cement paste by hydration control agent, temperature and mixing

C Jakob, D Jansen, J Dengler, J Neubauer - Cement and Concrete …, 2023 - Elsevier
The influence of ettringite precipitation on the rheological properties during the initial and
the induction period of ordinary Portland cement (OPC) hydration is examined by combining …

A One‐Component Iron Catalyst for Cyclic Propylene Carbonate Synthesis

JE Dengler, MW Lehenmeier, S Klaus, CE Anderson… - 2011 - Wiley Online Library
The development of a new tetraamine–iron complex as a catalyst for the cyclization of propylene
oxide with carbon dioxide to form propylene carbonate is reported. The structure of the …

A multi-resolution approach to the 3D reconstruction from an electron microscope tilt series solving the alignment problem without gold particles

J Dengler - Ultramicroscopy, 1989 - Elsevier
A multi-resolution approach to the 3D-reconstruction problem from electron microscope tilt
series is presented. It is designed for the reconstruction from a tilt series with a limited number …

Transition-metal complexes with sulfur ligands. 57. Stabilization of high-valent iron (IV) centers and vacant coordination sites by sulfur. pi.-donation: syntheses, x-ray …

…, M Geck, F Knoch, G Ritter, J Dengler - Journal of the …, 1991 - ACS Publications
= 94.40 (3), Z= 2, R/Rv= 0.078/0.070) two methanol molecules are bound to one of the two
independent anions via S---H-0 bridges. Both anions are centrosymmetric, the iron centers …

Automatic identification of gray matter structures from MRI to improve the segmentation of white matter lesions

S Warfield, J Dengler, J Zaers… - Journal of Image …, 1995 - Taylor & Francis
The segmentation of MRI scans of patients with white matter lesions (WML) is difficult
because the MRI characteristics of WML are similar to those of gray matter. Intensity-based …

An automated registration algorithm for measuring MRI subcortical brain structures

…, ME Shenton, SK Warfield, R Kikinis, J Dengler… - Neuroimage, 1997 - Elsevier
An automated registration algorithm was used to elastically match an anatomical magnetic
resonance (MR) atlas onto individual brain MR images. Our goal was to evaluate the …

[HTML][HTML] Thixotropy of superplasticized cement pastes–Underlying mechanisms considering the polycarboxylate molecular structure, interparticle interactions and …

…, D Jansen, D Ivanov, O Mazanec, J Dengler… - Cement and Concrete …, 2023 - Elsevier
This paper deals with the decisive mechanisms of thixotropic structural build-up in superplasticized
cement-based suspensions related to the PCE molecular structure. We investigate …

Differences in Reactivity of Epoxides in the Copolymerisation with Carbon Dioxide by Zinc‐Based Catalysts: Propylene Oxide versus Cyclohexene Oxide

…, C Bruckmeier, S Klaus, JE Dengler… - … A European Journal, 2011 - Wiley Online Library
The homogeneous dinuclear zinc catalyst going back to the work of Williams et al. is to date
the most active catalyst for the copolymerisation of cyclohexene oxide and CO 2 at one …

[HTML][HTML] Reducing clinker factor in limestone calcined clay-slag cement using CSH seeding–A way towards sustainable binder

X Li, J Dengler, C Hesse - Cement and Concrete Research, 2023 - Elsevier
CSH seeding was used in limestone calcined clay cement (LC 3 ) to reduce the ordinary
Portland cement (OPC, equivalent to clinker factor) while maintaining strength similar to that of …