{"cells":[{"metadata":{"trusted":true},"cell_type":"code","source":"!pip install opencv_transforms","execution_count":null,"outputs":[]},{"metadata":{"_uuid":"8f2839f25d086af736a60e9eeb907d3b93b6e0e5","_cell_guid":"b1076dfc-b9ad-4769-8c92-a6c4dae69d19","trusted":true},"cell_type":"code","source":"import numpy as np\nfrom torchvision import transforms\n\ndef data_augmentation(data):\n    from opencv_transforms import transformscv\n    \n    ptrans=transforms.Compose([transforms.ColorJitter(saturation=0.5, hue=0.2)])\n    cvtrans = transformscv.Compose([transformscv.RandomHorizontalFlip(),\n                                    transformscv.RandomVerticalFlip(),\n                                    transformscv.ColorJitter(brightness=0.5, contrast=0.5)])\n\n    data=cvtrans(data)\n    data=np.array(ptrans(Image.fromarray(data)))\n    data=np.moveaxis(data, 2,0)\n    \n    return data\n","execution_count":null,"outputs":[]},{"metadata":{"_uuid":"d629ff2d2480ee46fbb7e2d37f6b5fab8052498a","collapsed":true,"_cell_guid":"79c7e3d0-c299-4dcb-8224-4455121ee9b0","trusted":false},"cell_type":"code","source":"","execution_count":null,"outputs":[]}],"metadata":{"kernelspec":{"language":"python","display_name":"Python 3","name":"python3"},"language_info":{"pygments_lexer":"ipython3","nbconvert_exporter":"python","version":"3.6.4","file_extension":".py","codemirror_mode":{"name":"ipython","version":3},"name":"python","mimetype":"text/x-python"}},"nbformat":4,"nbformat_minor":4}