DLE-UNet: Cross-Group Enhanced Channel Attention and Dual-Path Collaborative Encoding for Defect Detection in Aluminum Castings
Segmenting defects in X-ray digital radiography (DR) images of aluminum castings presents significant challenges due to the extremely low pixel coverage of minute defects, blurred boundaries, and weak contrast. The core issues lie in the fundamental trade-off between expanding the receptive field and preserving fine sp...