https://brain2life.hashnode.dev/how-to-install-pyenv-python-version-manager-on-ubuntu-2004
Install all required prerequisite dependencies
sudo apt-get update; sudo apt-get install make build-essential libssl-dev zlib1g-dev \
libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm \
libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
| import tensorflow as tf | |
| from tensorflow import keras | |
| class RGBShift(keras.layers.Layer): | |
| """RGBShift class randomly shift values for each channel of the input RGB image. | |
| """ | |
| def __init__( | |
| self, | |
| factor, | |
| seed=None, |
| import tensorflow as tf | |
| from tensorflow import keras | |
| class ColorJitter(keras.layers.Layer): | |
| def __init__( | |
| self, | |
| brightness_factor=0.5, | |
| contrast_factor=(0.5, 0.9), | |
| saturation_factor=(0.5, 0.9), | |
| hue_factor=0.5, |
| import tensorflow as tf | |
| from tensorflow import keras | |
| class ChannelShuffle(keras.layers.Layer): | |
| def __init__(self, groups=3, seed=None, **kwargs): | |
| super().__init__(**kwargs) | |
| self.groups = groups | |
| self.seed = seed | |
| def _channel_shuffling(self, images): |
| ``` | |
| # original repo: https://github.com/isears/tf_clahe | |
| # check https://github.com/isears/tf_clahe/issues/1#issuecomment-1356676495 | |
| !pip install -q --no-deps /kaggle/input/tfpackages/tf_clahe-0.1.0-py3-none-any.whl | |
| ``` | |
| import tf_clahe | |
| class CLAHE(keras.layers.Layer): | |
| def __init__( |
| import tensorflow as tf | |
| def weighted_binary_loss(weight, from_logits=True, reduction="mean"): | |
| def inverse_sigmoid(sigmoidal): | |
| return - tf.math.log(1. / sigmoidal - 1.) | |
| def weighted_loss(labels, predictions): | |
| predictions = tf.convert_to_tensor(predictions) | |
| labels = tf.cast(labels, predictions.dtype) | |
| num_samples = tf.cast(tf.shape(labels)[-1], dtype=labels.dtype) |
| # Base Image: Ubuntu + Cuda | |
| FROM nvidia/cuda:11.0.3-devel-ubuntu20.04 AS python_base_cuda | |
| # ENV SET | |
| ENV PYTHONUNBUFFERED=1 \ | |
| PYTHONFAULTHANDLER=1 \ | |
| PYTHONHASHSEED=random \ | |
| PYTHONDONTWRITEBYTECODE=1 \ | |
| PIP_NO_CACHE_DIR=off \ | |
| PIP_DISABLE_PIP_VERSION_CHECK=on \ |
| """ | |
| Reference | |
| # https://github.com/fuenwang/PanoramaUtility | |
| # https://github.com/fuenwang/Equirec2Perspec | |
| # https://github.com/fuenwang/PanoramaUtility | |
| # https://github.com/timy90022/Perspective-and-Equirectangular | |
| """ | |
| import os | |
| import sys |