Fix Windows compatibility using C++17 std::filesystem - #1
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This pull request introduces Windows compilation compatibility by updating the POSIX-specific directory scanning logic to standard C++17
<filesystem>.Rationale & Changes:
<dirent.h>dependency: Windows/MSVC does not natively support<dirent.h>, which previously caused compilation to fail withcannot open include file: 'dirent.h'. This has been replaced with standard C++17<filesystem>insrc/lens_distortion_correction_2p_iterative_optimization.cpp.read_directory: Rewrote the directory-listing function to use C++17std::filesystem::directory_iterator.set(CMAKE_CXX_STANDARD 17)andset(CMAKE_CXX_STANDARD_REQUIRED ON)toCMakeLists.txtso that all compilers compile with C++17 mode enabled.README.md.