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Success Stories | 草榴社区
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Table of Contents

 

?? ??? ??? ?????? ????? ??, ??? ???????.

 

ImSym – Imaging System Simulator ? ??? ???? ?? ???? ?? ????? ???? ?? ????? ??????. CODE V? LightTools? ???? ????, ImSym? ?? ??? ???? ?? ??? ???? ????? ????? ???, ?? ? ???? ? ??? ?????.

?? ?????? ??? ImSym? ??? ??? ?? ?? ???? ??? ?? ???? ?? ??? ?????? ????? ???????.

Exploring ImSym

ImSym ??

ImSym? ??? ??? ?? ?????? ???? ?? ?????? ?????, ?? ???? ?? ???? ????? ?? ????. ??? ???? ????? ???, ????? ??? ?? ??? ??? ??? ? ????. ImSym? ??? ??? ?????? ? ??? ???? ?? ????? ????? ? ??? ??, ?? ?? ??? ??? ??? ???? ???? ??? ??? ???.

ImSym – Imaging System Simulator interface

ImSym – Imaging System Simulator ?????

Comprehensive Imaging System Modeling

?? ??? ??? ??? ??

ImSym? ????, ???? ??? ???? ??? ??? ??? ??? ? ???, ?? ??? ??? ????.

  • Scene Object (?? ??): ??? ???? ??? ?? 
  • Lens System (?? ???): CODE V? Lens ??? ??? ??? ?? CODE V? ??? ??
  • Detector (??): ?? ???? ??? ??? ???? ??? ?????
  • Image Signal Processing (ISP, ??? ??? ????): ?? ???? ???? ???? ?? ??? ???? ??

?? ?? ???? ?? ???? ??? ???? ???? ???? ????, ? ???? ??? ???? ???? ???? ???.  

Example end-to-end model includes the input scene, lens systems, detector model, image signal processing, and optionally, a simulated external light source to study stray light effects.

????? ???? ?? ??, ?? ???, ?? ??, ??? ??? ???? ??, ??? ??? ?? ??? ??? ???? ?? ?? ?? ??????? ?????.

Building the Model: Step-by-Step

??? ???

ImSym?? ??? ??? ??? ???? ?????? ???? ?? ??? ????, ?? ??? ???? ??? ?? ?????? ???? ? ??????.

Modeling the Lens System

?? ??? ???

? ??? ?? ??? ?? ????? ?????. ?? ??? ??? ????, ?? ???? CODE V ??? ???? ??????. ? ???? CODE V ??? ?? ??? ???? ??? ?????? ?????. ? ??? ?? ??? ?? ??? ??? ?? ??? ???? ???? ? ??????.

The Principal Image includes lens effects such as aberrations, diffraction effects, distortion, and relative illumination.

Principal Image?? ??, ?? ??, ??, ?? ?? ?? ?? ?? ??? ?????.

Simulating the Detector

?? ?????

?? ???? ?? ??, ?? ????, ???? ???, ??? ?? ?? ????? ?????. ? ??? ?? ???? ??? ??? ??? ???? ? ??????. ??? ?????? ?????????, ??? ??? ???? ??? ???? ??? ? ???, ?? ???? ?? ??? ??? ? ? ????.

Analyzing Stray Light

?? ??

??? ??? ??? ??? ??? ? ? ???, ImSym? ??? ??? ????? ??? ? ?? ??? ?????. ?? ??? LightTools? Stray Light Scanner?? ?? ??? STR ??? ?????. ? ???? ? ?? ??? ?? ?? ?? ?? (Irradiance Distribution)? ???? ???, ?? ?? ???? ??? ?? ???? ???? ?? ??? ???? ???. ??? ???? ?????? ?? ???? ???? ???? ???? ? ????.

Seeing the effect of stray light on an image of an outdoor scene in ImSym | 草榴社区

ImSym? ?? ?? ??? (Radiometric Accuracy) ? ????? ??? principal image? ???? (Irradiance) ? ?????.

Enhancing With Image Signal Processing (ISP)

ISP? ?? ??? ??

ImSym? ?? ??? ISP ??? ?? Python? ??? ??? ?? ISP ??? ??? ? ?? ??? ?? ?????. ? ??? ?? ???? ??? ?? ????? ???? ??? ? ???, ?? ?? ??? ?????? ?? ??? ?? ??? ??? ???? ? ????. ISP? ?? ???? ????? ? ??? ???, ??? ??(??)??, ??? ????? ???? ??? ??? ????? ????? ?????.

Practical Application: Reducing Manufacturing Costs

?? ?? ??: ?? ?? ??

ImSym? ??? ?? ? ??? ?? ??? ??? ? ?? ?????. ??? ??? ?? ????? ??? ???? ???? ?? ???? ??? ?? ?? ?? ???? ??? ??? ????. ??? ?? ??? ?? ??? ??? ??? ??? ??? ? ?? ??? ?? ? ???, ???? ??? ? ????. 

F-number ? ?? ?? ?? ????? ???? ??? ?? ??? ??? ??? ??? ?? ??? ???? ??? ? ????. ImSym? ?? ??? ???? ???? ??? ????? ??? ?? ??? ???? ?? ???? ???? ?? ??? ??? ? ??? ? ? ????.

In ImSym, you can compare results using target region analysis. We can see how the degraded resolution affects the final image | 草榴社区

ImSym??? ?? ?? ??? ?? ??? ??? ?? ???? ??? ??? ??? ? ????.

?? ???? ??? ???? ??? ? ?? ?? F-number ?? ??? ????, ?? ISP??? ??? ???? ????? ????? ??? ?? ??? ??? ????? ?? ? ????. ??? ??? ?? ??? ??? ??? ?? ?? ??? ???? ??? ??? ???.

Conclusion

??

ImSym? CODE V? LightTools? ??? ???? ??? ??? ????? ? ???? ?? ???? ???? ?????. ? ???? ???? ??? ???? ????? ???? ????, ?????, ???? ??? ? ??? ?????. ImSym? ??? ??? ?? ??? ??? ???? ? ??? ??, ?? ??? ??? ??? ??? ? ?????. ??? ???, ?? ??,?? ?? ?? ???? ????, ImSym? ?? ??? ????? ?? ??? ????? ? ??? ? ? ????.

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