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基于计算机视觉和神经网络的牛肉颜色自动分级（Automatic Color Grading of Beef Lean Tissue Based on BP Neural Network and Computer Vision）
牛肉 颜色 分级 神经网络
2009/5/22
将采集的牛胴体眼肌切面图像人工确定其颜色等级，然后通过计算机图像处理方法，分割出肌肉区域并提取出其在RGB和HIS颜色空间的颜色特征参数。设计一个以牛肉的颜色特征参数为输入、牛肉的颜色等级为输出的BP神经网络模型，通过训练，确定模型的结构参数，用测试样本对该模型进行验证。结果显示，用该模型进行牛肉颜色等级预测的正确率可达95%，耗时仅0.25s。表明利用所设计的模型可以对牛肉的颜色等级进行快速、准...
Dietary Manipulation of Lean Tissue Deposition in Broiler Chickens
Body Composition Chromium Leucine Fish Oil Linseed Oil Lard
2016/4/19
Two experiments were conducted to examine the effect of graded levels of dietary chromium and leucine, and different fat sources on performance and body composition of broiler chickens. The results sh...