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@luuil
luuil / list-docker-images.py
Last active May 29, 2018 06:14
List docker images for a given registry
# encoding:utf-8
'''
Created on 2018-05-02
@author: [email protected]
@desc: List images name from registry
'''
from __future__ import print_function
import requests
import json
# coding: utf-8
# author: [email protected]
r"""Segment audio or video files to wav.
requirements:
- http://www.ffmpeg.org/
- pydub
"""
@luuil
luuil / freeze_graph.py
Created June 5, 2018 06:57
freeze tensorflow checkpoint to pb
def freeze_graph(model_dir, output_node_names):
"""Extract the sub graph defined by the output nodes and convert
all its variables into constant
Args:
model_dir: the root folder containing the checkpoint state file
output_node_names: a string, containing all the output node's names,
comma separated
"""
from os.path import join
import tensorflow as tf
import cv2
import os
class ExtractFromVideo(object):
def __init__(self, path, frame_range=None, debug=False):
assert os.path.exists(path)
self._p = path
self._vc = cv2.VideoCapture(self._p)
@luuil
luuil / describe_tf_graph.py
Created November 6, 2019 08:50
show information in tensorflow graph def
def describe_graph(graph_def, show_nodes=False):
from collections import Counter
c = Counter(map(lambda n: n.op, graph_def.node))
print(c)
print('Input Nodes: {}'.format([node.name for node in graph_def.node if node.op == 'Placeholder']))
output_nodes = [node.name for node in graph_def.node if (
'predictions' in node.name or 'softmax' in node.name or 'concat' in node.name)]
print(f'Output Nodes: {output_nodes}')
@luuil
luuil / videos_grid.py
Last active July 4, 2024 02:12
Merging multiple videos/images/empty_frames into one grid video by opencv, PIL and numpy
import cv2
import os
import numpy as np
from PIL import Image, ImageFont, ImageDraw
from typing import Tuple, Optional, Union, List
from dataclasses import dataclass, InitVar
import sys
from pathlib import Path
from enum import Enum
import logging
@luuil
luuil / benchmark.py
Last active October 25, 2022 06:17
monitor system status, such as usage of cpu, memory etc.
import os
import time
import subprocess
import shlex
import numpy as np
def run_process(tmpl, *args, **kwargs):
_args = args
cmd = tmpl.format(**kwargs)
@luuil
luuil / topk.py
Last active November 9, 2021 04:02
Find k largest or smallest(reverse is True) elements from stream data using built-in sorted function.
import numpy as np
class TopK(object):
def __init__(self, k, key=None, reverse=False) -> None:
""" Find k largest or smallest(reverse is True) elements from stream data.
"""
super(TopK, self).__init__()
self._heap = list()
self._k = k
@luuil
luuil / TFRecordCreator.py
Last active November 18, 2021 14:32
TFRecord creation and inspection, such as records count and visualize etc.
import os
import tensorflow as tf
import numpy as np
from PIL import Image
import io
def bytes_feature(value):
"""Returns a bytes_list from a string / byte."""
if isinstance(value, type(tf.constant(0))):
@luuil
luuil / RunTime.py
Created March 1, 2024 02:32
Statistical Time Consumption
'''
# @ Author: Lu Liu
# @ Create Time: 2024-02-28 18:02:05
# @ Modified by: Lu Liu
# @ Modified time: 2024-02-28 18:08:28
# @ Description:
'''
import time