Abstract The Lanzhou lily is the only sweet lily species cultivated in China, contributing approximately 20% to Lanzhou’s total agricultural output value. In recent years, lily bulbs’ quality issues such as declining single-clove rates and bulb shrinkage have emerged, making rapid and accurate assessment of bulb viability crucial for mitigating degeneration. To address the subjectivity and inefficiency of manual screening, this study proposes a novel method.