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Do hog breeds matter? Investigating the price volatility in the Taiwan’s auction market
black hog indigenous hog breeds price actions
2015/7/28
Th e study analyzes the dynamic diff erences between the prices of black hogs and white hogs in Taiwan and determines whether these two products should be viewed as homogeneous commodities by an...
NEWPORT NEWS, VA, October 16, 2014 – Like dancers swirling on the dance floor with bystanders looking on, protons and neutrons that have briefly paired up in the nucleus have higher-average momentum, ...
NEWPORT NEWS, VA, October 16, 2014 – Like dancers swirling on the dance floor with bystanders looking on, protons and neutrons that have briefly paired up in the nucleus have higher-average momentum, ...
行人检测是当前计算机视觉领域的挑战性课题之一.本文提出一种基于后验HOG特征的多姿态行人检测方法.首先,统计全部行人样本的梯度特征能量共性信息,对单个行人样本的HOG特征进行加权获得能够表现行人边缘轮廓的后验HOG特征,有效减少复杂背景的影响.其次,利用S-Isomap特征降维方法和K-means聚类方法对不同姿态和视角的行人做子类划分,并针对每一个子类训练子类分类器.最后,根据多个不同姿态的子类...
梯度-曲率HOG目标检测算法研究
方向梯度直方图 曲率直方图 目标检测
2014/2/7
HOG特征描述子充分利用梯度方向与幅值分布信息，在行人、车辆等特定目标检测定位中得到广泛应用，针对如何在HOG特征中融合梯度信息和曲率信息，本文提出基于HOG的梯度曲率相结合的目标检测算法并将其应用于目标检测问题中。算法首先计算图像的曲率信息和梯度信息，利用梯度的幅值和方向作为约束条件，统计曲率的分布直方图；然后将曲率直方图特征与HOG特征相连接，构成新的更具有区分性的特征描述子，最后将这一特征描...
Worldwide, around 20,000 endangered animal species are competing for scarce conservation funds – but just 80 ‘celebrity species’ are hogging most of the attention.
直线段特征是广泛应用于图像分析与处理领域的一种特征，直线段提取是基于特征的模式识别和图像匹配的一个重要步骤，直线段提取方法的优劣直接影响到高层次图像处理的复杂度和处理的效果。针对目前直线段提取方法中存在的直线段端点不准确和直线段断裂问题，提出了一种新的基于HOG特征的直线段提取方法。该方法利用矩阵的行、列积分运算实现对原始图像特定方向直线段的投影，根据矩形函数的一阶导数性质将确定直线段端点位置的问...
针对传统基于梯度方向直方图特征检测算法对解决目标模型单一、发生形变、存在遮挡及目标受干扰下定位困难的问题，提出一种基于HOG特征混合模型结合隐SVM的感兴趣目标检测算法。首先利用用训练图像的HOG特征金字塔表示得到包含感兴趣目标根模型、部件模型和对应可变形部件特征表示，该模型不仅描述目标的整体轮廓，而且能够捕捉到更为精细的目标部件轮廓，在一定程度上提高了检测算法在目标姿态复杂情况下的鲁棒性。然后利...
DETECTING COOL IMPACTS ON U.S.- CANADA BILATERAL HOG AND PORK TRADE FLOWS
COOL IMPACTS CANADA BILATERAL HOG PORK TRADE FLOWS
2014/4/11
Beef, lamb and pork (ground meat and muscle cuts) sold through retail outlets in the U.S. must be labelled according to their country of origin since March 2009. Mandatory labelling requirements have ...
DETECTING COOL IMPACTS ON U.S.-CANADA BILATERAL HOG AND PORK TRADE FLOWS
Country of origin labelling Structural change North American hog/pork sector
2014/4/11
Country of Origin Labelling (COOL) regulation has been applied in the United States meat sector since October 2008. The industry must label beef, lamb and pork (ground meat and muscle cuts) sold throu...
Glycosidase activities in hog serum, optic nerve, and ocular tissues
Glycosidase activities hog serum optic nerve ocular tissues
2009/3/3
Using spectrophotometric assay, we have studied the distribution of α-D-mannosidase, β-D-galactosidase, and N-acetyl-β-D-glucosaminidase in hog serum, the aqueous humor, optic nerve, retina, and uve...
February 15, 2007，Smithfield Foods Inc., the nation's largest hog producer and a leading processor and marketer of fresh pork and processed meats, is phasing out individual gestation stalls and replac...
HOG ROUND MARKETING, SEED QUALITY, AND GOVERNMENT POLICY: INSTITUTIONAL CHANGE INU.S. COTTON PRODUCTION, 1920-60
HOG ROUND MARKETING SEED QUALITY GOVERNMENT POLICY INSTITUTIONAL CHANGE U.S. COTTON PRODUCTION
2014/6/25
Between 1928 and 1960 U.S. cotton production witnessed a revolution with average yields increasing roughly threefold. In addition, the average staple length of the U.S. crop increased significantly, r...