当前位置:首页>南京>中国农业科学|南京财经大学何荣教授课题组提出基于图像处理的玉米破损比例检测方法并同步分析其品质变化

中国农业科学|南京财经大学何荣教授课题组提出基于图像处理的玉米破损比例检测方法并同步分析其品质变化

  • 2026-06-27 11:33:47
中国农业科学|南京财经大学何荣教授课题组提出基于图像处理的玉米破损比例检测方法并同步分析其品质变化

随着农业科技的不断进步,我国粮食产量连创新高,但粮食质量损失和储运问题愈发突出,成为社会关注热点。玉米作为我国重要的主粮之一,在农业生产中具有举足轻重的地位。然而,机械化的推进使粮食在采收、运输等过程中极易遭受物理性损伤。破损的玉米组织直接与空气接触发生氧化反应,增加真菌危害的风险,降低玉米在储藏过程中的稳定性。此外,我国粮食供需区域分布十分不均,东北地区玉米产量高,占全国产量的42%,而东南沿海为玉米主销区。在跨生态区长距离运输中,玉米易受外界环境和自身条件的影响,尤其是破损可能会导致玉米质量发生显著变化,带来粮食安全风险。因此,实时监测玉米储运中的破损情况并探究玉米破损比例对其在长距离运输储藏后品质变化的影响,对优化农业产后管理、减少粮食损耗、保障粮食安全具有重要意义。

近期,南京财经大学食品科学与工程学院何荣教授课题组完成题为基于图像处理的玉米破损比例检测方法及其品质变化同步分析”的研究《中国农业科学》2026年第59卷9期正式发表。

该研究以500张智能手机拍摄的原始玉米粒图像为数据源,利用图像处理技术(图像校正、图像预处理、图像分割以及面积提取),通过3种深度学习模型(Resnet50、Densenet121和ViT)的训练与评估,建立玉米破损比例快速预测模型;并通过模拟玉米“北粮南运”水、陆运输路线的温湿度条件,系统探究不同破损比例玉米(0—12%)储运后的品质变化规律。

结果显示,ViT模型在玉米破损籽粒识别中表现最优,准确率和精确率均达99%,预测值和真实值的平均绝对误差仅为0.45%,决定系数R2高达0.978。
随着破损比例从0增至12%,水路和陆路玉米的理化特性指标均显著上升(P<0.05):水分含量分别增加1.384%和0.461%,脂肪酸值分别增加7.92和4.49 mg KOH/100 g,电导率分别升高6.72和4.66 μs·cm-1,丙二醛(malondialdehyde,MDA)含量分别上升38.73%和19.22%;在营养品质方面,玉米蛋白质含量降低,淀粉含量呈先升后降再升的波动趋势,直链淀粉(amylose,AM)含量与支链淀粉(amylopectin,AP)含量比例失衡,糊化特性也发生显著改变。
综上,本研究为玉米破损比例的快速检测提供了可靠的技术手段,也为优化玉米储运条件、减缓品质劣变提供了科学依据。建议在“北粮南运”等长距离高湿度储运场景中将破损比例4%作为管控阈值,对超阈值批次实施优先分拣或保质处理,以减少粮食产后损失、保障我国粮食安全。
南京财经大学食品科学与工程学院何荣教授为该文通讯作者,王志高第一作者。
该研究获得国家重点研发计划(2022YFD2100202)的资助。
全文链接:
基于图像处理的玉米破损比例检测方法及其品质变化同步分析

王志高, 李刘滨, 许颖, 鞠澄辉, 何荣. 基于图像处理的玉米破损比例检测方法及其品质变化同步分析[J]. 中国农业科学, 2026, 59(9): 1987-2001.

WANG ZhiGao, LI LiuBin, XU Ying, JU ChengHui, HE Rong. Image Processing-Based Detection Method for Corn Damage Ratio and Synchronous Analysis of Quality Variation[J]. Scientia Agricultura Sinica, 2026, 59(9): 1987-2001.

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  1. CONNECT:[ UseTime:0.000931s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000855s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000328s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000263s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000478s ]
  6. SELECT * FROM `set` [ RunTime:0.000202s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000500s ]
  8. SELECT * FROM `article` WHERE `id` = 587276 LIMIT 1 [ RunTime:0.011366s ]
  9. UPDATE `article` SET `lasttime` = 1782587735 WHERE `id` = 587276 [ RunTime:0.010269s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000318s ]
  11. SELECT * FROM `article` WHERE `id` < 587276 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000646s ]
  12. SELECT * FROM `article` WHERE `id` > 587276 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000474s ]
  13. SELECT * FROM `article` WHERE `id` < 587276 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001340s ]
  14. SELECT * FROM `article` WHERE `id` < 587276 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.014377s ]
  15. SELECT * FROM `article` WHERE `id` < 587276 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002583s ]
0.207247s