-based optimization</strong> (<cite>cdef</cite>, <cite>cpdef</cite>, <cite>nogil</cite>):
Critical functions are compiled into C using Cython, significantly improving speed.</p></li>
<li><p><strong>In-place operations</strong> (<cite>RGB_TO_YIQ_inplace</cite>):
By modifying image arrays directly, the library reduces memory overhead and avoids unnecessary copies.</p></li>
<li><p><strong>No GIL</strong> (<cite>nogil</cite>):
The Cython implementation enables multi-threading, allowing for parallel executi