Source Code for Simple Block Motion Vector Calculation

We present a straightforward source code implementation for calculating block motion vectors using the Four-Step Search algorithm. This algorithm is widely applied in computer science and artificial intelligence domains, particularly suitable for solving various problems including path planning, graph search, and game search applications. In our implementation, the Four-Step Search algorithm calculates motion vectors for blocks, enabling movement within a specified search space. The code incorporates several optimization techniques to accelerate computation, such as pruning strategies and heuristic evaluation functions. These optimizations significantly enhance algorithm efficiency, allowing our implementation to compute block motion vectors more rapidly. The core functionality includes step-size reduction patterns starting from larger search windows and progressively refining the search area. If you require a simple yet effective solution for block motion vector calculation, our source code serves as an excellent choice with clear modular structure and commented implementation details.