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Achieving Higher Fidelity Sensor Models with Ray Tracing …
https://blog.applied.co/blog-post/raytracing
Ray Tracing | NVIDIA Developer
https://developer.nvidia.com/discover/ray-tracing
Ray casting is the process in a ray tracing algorithm that shoots one or more rays from the camera (eye position) through each pixel in an image plane, and then …
End-to-end sensor and neural network design using …
https://pubmed.ncbi.nlm.nih.gov/34809257/
In this paper we propose a new method to jointly design a sensor and its neural-network based processing. Using a differential ray tracing (DRT) model, we simulate the sensor point-spread function (PSF) and its partial derivative with respect to any of the sensor lens parameters. The proposed ray tr …
(PDF) Range Sensors Simulation Using GPU Ray Tracing
https://www.researchgate.net/publication/277137790_Range_Sensors_Simulation_Using_GPU_Ray_Tracing
We propose to use parallel ray tracing on Graphics Processing Units to improve the performance of range sensors simulation. The multiple range sensors are …
Validation of a Ray-tracing-based Radar Sensor Model
https://link.springer.com/article/10.1007/s38314-021-0631-x
The propagation of the electromagnetic wave in CarMaker and its modeling with ray-tracing- and physics-based optics are shown in FIGURE 2. First, a wave emitted by the transmitter is discretized by the rays. The path in the environment is tracked for every single ray. At each point of reflection, the power scattered to the receiver is calculated.
Refining Object-Based Lidar Sensor Modeling — …
https://ieeexplore.ieee.org/document/9548071
This new approach is compared to an advanced ray tracing simulation on an object output level. The comparison is conducted on the cause-effect chain of partial object occlusion, which has been identified as highly relevant. The modeling approach challenges ray tracing as the magic bullet for high-fidelity lidar front-end simulation.
Comparing laser ray tracing, the spatially resolved …
https://pubmed.ncbi.nlm.nih.gov/11327676/
Comparing laser ray tracing, the spatially resolved refractometer, and the Hartmann-Shack sensor to measure the ocular wave aberration Optom Vis Sci. 2001 Mar;78(3):152-6. doi: 10.1097/00006324-200103000-00007. ... laser ray tracing (LRT), the Hartmann-Shack wavefront sensor (H-S), and the spatially resolved refractometer (SRR). LRT and H-S are ...
Modeling of Infrared Gas Sensors Using a Ray Tracing …
https://ieeexplore.ieee.org/document/5483211
In this paper we investigate the use of statistic ray tracing to predict the efficiency of 3-D cell geometries for NDIR gas sensors. We demonstrate the feasibility of the method and show examples on how to apply it on given 3-D sensor models where we illustrate the agreement between simulated and measured gas response data.
Ray Acoustics Modeling: Propagation in Large …
https://blogs.sw.siemens.com/simcenter/ray-acoustics-modeling/
Adaptive Beam Tracing Firstly, adaptive beam tracing propagates wave fronts as triangular beams instead of thin rays. These beams reflect on the walls and automatically split into smaller beams if an edge is struck. This allows to more accurately capture the specular reflections. Automatic triangular beam splitting when hitting a surface
Types of sensors for target detection and tracking | Into …
https://www.intorobotics.com/types-sensors-target-detection-tracking/
A sensor is a sophisticated device that measures a physical quantity like speed or pressure and converts it into a signal that can be measured electrically. Sensors are based on several working principals and types of measurements. In our case almost all types of sensors emit signals and measure the reflection to make measurements.
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