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Machine-Learning

Just for fun : )

Classifier

pro1

Classification of attack types in a local power grid

NLP

Recommend

movie-recommend-1

data set

movielens: http://files.grouplens.org/datasets/movielens/

Lib:sklearn,spark,tensorflow...

algorithm:SVD,NMF,ALS

recommend/ALS:

ALS推荐文件夹包含利用spark生成模型,推荐电影的代码;生成的模型;数据集(ml-100k)

ALS2文件夹包含测试代码,用于选择合适的参数:

将数据集0.7:0.3分为训练集,测试集,计算RMSE,判断合适的RANK,iterations,lambda参数用来训练模型。

image

Histogram retrieval

计算直方图时可以优化,方法为分区域,或者采用权重,越靠近中间权重越高。

panorma stitch

using sift, lowes's ratio, RANSAC and opencv2 to stitch img

surf hessian weighted

Voice

Video

Restore data visualization video to data

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