Infrared detection, recognition and identification of handheld objects

U Adomeit - Electro-Optical and Infrared Systems: Technology …, 2012‏ - spiedigitallibrary.org
A main criterion for comparison and selection of thermal imagers for military applications is
their nominal range performance. This nominal range performance is calculated for a …

Visual acuity, contrast sensitivity, and range performance with compressed motion video

P Bijl, SC de Vries - Optical Engineering, 2010‏ - spiedigitallibrary.org
Video of visual acuity (VA) and contrast sensitivity (CS) test charts in a complex background
was recorded using a CCD color camera mounted on a computer-controlled tripod and was …

Visual image quality assessment with sensor motion: effect of recording and presentation velocity

P Bijl - Applied Optics, 2010‏ - opg.optica.org
To assess the effect of motion on observer performance with an undersampled uncooled
thermal imager, moving imagery from a static scene was recorded at nine different angular …

Image enhancement technology research for army applications

PBW Schwering, RAW Kemp… - … Analysis, Modeling, and …, 2013‏ - spiedigitallibrary.org
Recognition and identification ranges are limited to the quality of the images. Both the
received contrast and the spatial resolution determine if objects are recognizable. Several …

Feature long axis size and local luminance contrast determine ship Target Acquisition performance: strong evidence for the TOD case

P Bijl, A Toet, FL Kooi - Electro-Optical and Infrared Systems …, 2016‏ - spiedigitallibrary.org
Visual images of a civilian target ship on a sea background were produced using a CAD
model. The total set consisted of 264 images and included 3 different color schemes, 2 ship …

Effectiveness assessment of signal processing in the presence of smear

P Bijl, JA Beintema, J Dijk, N Leden - Optical Engineering, 2012‏ - spiedigitallibrary.org
Moving imagery from a static scene was recorded with an uncooled thermal imager at nine
different angular velocities ranging from 0 (static) to 1 pixel/frame (3.75 deg/s) using a tilted …

Field observation, photosimulation and videosimulation of target detection in maritime environments: update

R Messina, JB Culpepper - Target and Background Signatures …, 2021‏ - spiedigitallibrary.org
Laboratory target detection experiments are widely used to assess camouflage techniques
for effectiveness in the field. There has been some research to suggest that, in maritime …

Methods for measuring time to detect in human observer trials

JB Culpepper, VC Wheaton… - Target and …, 2018‏ - spiedigitallibrary.org
Evaluating the signature of operational platforms has long been a focus of military research.
Human observations of targets in the field are perceived to be the most accurate way to …

Colour-the-INSight: combining a direct view rifle sight with fused intensified and thermal imagery

MA Hogervorst, C Jansen, A Toet, P Bijl… - Multisensor …, 2012‏ - spiedigitallibrary.org
We present the design and evaluation of a new demonstrator rifle sight viewing system
containing direct view, red aim point and fusion of an (uncooled, LWIR) thermal sensor with …

Comparison of maritime target detection in field observation, photosimulation and videosimulation

JB Culpepper, R Messina… - Target and Background …, 2020‏ - spiedigitallibrary.org
Photosimulation is a widely used method for target detection experimentation. In the defence
context, such experiments are often developed in order to derive measures for the …