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为实现玉米籽粒表型性状参数的高通量测量,设计了一种基于线扫描技术和自动化控制技术相结合的玉米籽粒考种装置。该系统通过振动给料机实现玉米籽粒快速喂料,应用伺服驱动技术实现输送带运行速度和线阵扫描速度无偏差匹配,实现玉米籽粒图像无畸变获取,通过图像处理技术实现玉米籽粒表型性状参数的测量。试验结果表明,与人工测量值比较,该装置对玉米籽粒总粒数、长轴、短轴、长宽比的平均相对误差分别为0.50%、1.22%、3.34%、4.22%,平均测量效率为12 s/穗。该研究对于推动玉米籽粒高通量表型鉴定具有重要意义。
In order to achieve the high-throughput measurement of the phenotypic parameters of maize grain, a corn seed test device based on the line scanning technology and the automatic control technology was designed. The system realizes the rapid feeding of corn grain by vibrating feeder, applies the servo drive technology to realize the unmatched matching between the running speed of the conveyor belt and the linear scanning speed, realizes the distortionless acquisition of maize grain image, realizes the phenotype of maize grain through the image processing technology Measurement of parameters. The experimental results showed that the average relative errors of total grain number, long axis, short axis and aspect ratio of the device were 0.50%, 1.22%, 3.34% and 4.22% respectively compared with the artificial measurement values. The average measurement efficiency was 12 s / spike. This study is of great significance to promote high-throughput phenotypic identification of maize grain.