Broadcast sports field registration is traditionally addressed as a homography estimation task, mapping the visible image area to a planar field model, predominantly focusing on the main camera shot.
Official codes for ICCV 2025 paper PixelStitch: Structure-Preserving Pixel-Wise Bidirectional Warps for Unsupervised Image Stitching. [1] Lang Nie, Chunyu Lin, Kang Liao, Shuaicheng Liu, and Yao Zhao.