Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 24 for “"Infrared Cameras"”.
-
Active Thermography Using Cellphone Attachment Infrared Camera
… high cost (usually $10k-$100k) and large size of infrared cameras. In order to overcome these limitations, in this thesis, we aim to demonstrate feasibility of performing AT with cell-phone attachment infrared cameras with cost of -$250 and size significantly less than the research-grade infrared …
-
PROSPECTIVE HEAD MOVEMENT CORRECTION FOR HIGH-RESOLUTION MRI USING AN IN-BORE OPTICAL TRACKING SYSTEM
… The system comprises one or two MR compatible infrared cameras that are fixed on a holder right above and in front of the head coil. The resulting close proximity of the cameras to the object allows precise tracking of its movement. During image acquisition, the MRI scanner uses this tracking …
-
Studying the Performance of Object Recognition with Fusion of Visible Light and Infrared Images with Neural Networks
… color and intensity camera images. As the use of infrared cameras, colloquially termed thermal cameras, has increased and costs have decreased, object detection and recognition in infrared camera images have been increasingly studied. An infrared image is treated as an intensity image, just like a …
-
Low pressure epitaxial growth, fabrication and characterizion of Ge-on-Si photodiodes
… photonic systems onto an electronic chip, near infrared photodiodes utilizing novel materials such as germanium must be monolithically integrated onto the Si CMOS platform. Such near-infrared photodiodes can be utilized for a plethora of applications such as optoelectronic ADCs, optical …
-
Evaporative Vapor Deposition for Depositing 2D Materials
… wafer is monitored using both optical and infrared cameras. The condensation rate is measured to be ~50pL/mm2?s – 500 pL/mm2?s and dependent on the substrate translation speed and height difference between the droplet's apex and substrate surface. Nano-sized GO flakes carried through the …
-
Does vergence influence the vestibulo-ocular reflex in human subjects rotating in the dark?
… was tracked and recorded by two helmet-mounted infrared cameras connected to a computer-controlled data acquisition system. The position data were used to calculate the angles through which the eyes rotated, and then trigonometric principles were applied to construct the line of sight for each …
-
Virtual Reality Based System for Measurement and Interpretation of Pupillary Function
… Traditional pupillometry techniques such as, infrared cameras, eye-tracking glasses etc., however, can be time-consuming, expensive, and invasive. These techniques can be painful or uncomfortable for the individual, which would decrease compliance and possibly skew the data, and results. …
-
Are black bears (Ursus americanus) effective seed dispersal agents? With a little help from their friends.
… bears in the Sierra Nevada. Using Trail Master infrared cameras to photograph animals and scandium-46, a gamma-emitting radionuclide, to track seeds, I determined that deer mice (Peromyscus maniculatus) removed seeds from bear feces and cached them in soil. These seeds escaped several sources of …
-
The Effect of Two Maintenance Procedures on an Equine Arena Surface in Relation to Motion of the Hoof and Metacarpophalangeal Joint
… and rolling). Nine horses were recorded using infrared cameras and retro-reflective markers, in walk, trot and canter, on two surface preparations in a cross-over design. Hoof range of motion (ROM) and displacement as well as metacarpophalangeal joint (MCPJ) extension and third metacarpal …
-
Using a ground-based lidar instrument (Echidna ®) to reconstruct three-dimensional forest structure for biophysical and ecological studies
… trajectories using imaging data from thermal infrared cameras at a bat roosting and maternity site in Petersham, and co-register them to a three-dimensional forest reconstruction built from nine scans at the site. Patterns of flight trajectories during first 5 seconds of emergence from the …
-
Flexible, stretchable, biointegrated arrays of electronic thermal sensors and actuators for advancements in clinical medicine
… (<20 mK) exceeding that of sophisticated infrared cameras for clinical research. We establish the foundational mechanical, electrical and thermal physics and associated design strategies that are necessary for high performance device function. We extend these techniques to the spatial …
-
Vegetation Reflectance Estimation Through Optimization of a Spectral Unmixing Model
… and photosynthetic properties. Hyperspectral cameras and compact spectrometers are common instruments used in agriculture research and field applications to capture the vegetation reflectance spectrum at the canopy scale (about one meter from top of the crop). Although hyperspectral imaging …
-
Bipedal Walking for a Full Size Humanoid Robot Utilizing Sinusoidal Feet Trajectories and Its Energy Consumption
… Motion capture tests using six high speed infrared cameras validate the proposed bipedal walking method. Additionally, the total power and energy consumptions during walking are calculated from measured actuator currents.
-
Modeling and Analysis of Optical Blur for Everyday Photography
… Second, we study image deblurring for RGB-Infrared imaging. This problem is especially challenging since RGB-Infrared cameras suffer from inevitable chromatic aberration, channel crosstalk, and pixel multiplexing due to the color-filter-array. The coupling of the distortions are critical to …
-
A Comprehensive Study Of Nonlinear Effects Of Coupling Materials In Ultrasound Infrared Imaging
… for the quality assurance in industry. Sonic Infrared (IR) Imaging technology is a hybrid sensing and imaging technique, in which cracks in an object are caused to become visible in the infrared imaging through frictional heating associated with the application of a short pulse of …
-
Development of a biomechanical model of the interface between the residual limb and prosthesis for trans-femoral amputees
… measured with the aid of force platforms and infrared cameras. The material characteristic is introduced to the FE models were obtained by testing the residual limb's soft tissue with a computer controlled mechanical indentor. The FE models were validated by comparing predicted and measured …
-
A generalizable methodology for stability assessment of walking aid users
… in each WA leg), two pressure-sensing insoles, infrared cameras, and custom-written software. The approach was implemented for three different WAs: a pick-up Zimmer frame, a rollator, and, towards the end of the PhD, a front-wheeled Zimmer frame. The SWAS allow for investigation of the combined …
-
A Method to Characterize Gas Turbine Vane Performance Using Infrared Thermography
… of the airfoils are measured using multiple infrared cameras viewing both the pressure and suction side of the airfoils. A parameter involving localized vane surface temperature, airfoil inlet temperature and ambient temperature is formulated to characterize the vane thermal performance. …
-
Transition Detection for Low Speed Wind Tunnel Testing Using Infrared Thermography
… increases which can be detected using infrared thermography. This technique has been used predominantly at high speeds, on small models made of insulated materials, and for short test runs. Large scale testing has not been widely undertaken because the high sensitivity of transition to …
-
Data-Driven Modeling of Pedestrian Crowds
… (mainly based on video analysis, lasers, and infrared cameras), but most of the work is still focused on artificial setups for crowds moving through corridors and crowds passing bottlenecks. Even though these controlled experiments are important to understand crowd dynamics, there is a …
Page 1 of 2