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Imaging Science


RFT & RFT-TEMP: Precision Optical Characterization Across Angles, Distances, and Temperatures
In the development of advanced vision systems—ranging from autonomous vehicles to aerial drones—ensuring the reliability and performance of camera optics is paramount. At Fourier Image Lab, we utilize two sophisticated systems developed by Yanding: the RFT (Rotational Focus Tester) and its thermally enhanced counterpart, the RFT-TEMP. These systems enable precise optical testing under controlled conditions, allowing for comprehensive evaluation of camera modules in various sc
Timofey Uvarov
3 min read


Radial Frequency Response Chart
In collaboration with Yanding , Fourier Image Lab developed an HDR spatial frequency response chart. This chart enables the analysis of...
Timofey Uvarov
2 min read


How to Approach ISP Tuning for ML
introduction to isp tuning, where to start and how to approach
Timofey Uvarov
1 min read


Inverse Hyperbolic Sine
inverse trigonometry function for neural network activators
Timofey Uvarov
1 min read




Object detection probabilities
Linking object detection probabilities to camera image quality KPIs
Timofey Uvarov
3 min read


Object Detection KPIs: Why slanted edge is not good enough.
Tech.AD presentation The presentation covered 4 main topics: 1. Key image quality indexes were measured for an automotive camera system...
Timofey Uvarov
8 min read


HDR System with Frequency Guided Fusion
HDR system architecture for sensor with variable pixel exposure
Timofey Uvarov
2 min read
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