restructure, start flask stuff

master
michael 2022-10-11 13:19:48 -05:00
parent 37fd33c0f3
commit 63eb8bdb85
23 changed files with 311 additions and 68 deletions

3
.gitignore vendored
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@ -2,7 +2,8 @@
.vscode/
*.swp
uploads/*
!uploads/.gitkeep
# Byte-compiled / optimized / DLL files
__pycache__/

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@ -6,6 +6,9 @@ name = "pypi"
[packages]
opencv-python = "*"
numba = "*"
flask = "*"
gunicorn = "*"
werkzeug = "*"
[dev-packages]

98
Pipfile.lock generated
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@ -1,7 +1,7 @@
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@ -16,6 +16,46 @@
]
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@ -50,6 +90,52 @@
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@ -115,7 +201,7 @@
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@ -138,6 +224,14 @@
],
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},
"werkzeug": {
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"develop": {}

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@ -7,26 +7,6 @@
<td class="legend-cell"><div style="width:20px;height:20px;background-color:rgb(256, 176, 0);"></div></td>
<td class="legend-cell">0°C</td>
</tr>
<tr>
<td class="legend-cell"><div style="width:20px;height:20px;background-color:rgb(168, 0, 0);"></div></td>
<td class="legend-cell">800°C</td>
</tr>
<tr>
<td class="legend-cell"><div style="width:20px;height:20px;background-color:rgb(0, 96, 255);"></div></td>
<td class="legend-cell">900°C</td>
</tr>
<tr>
<td class="legend-cell"><div style="width:20px;height:20px;background-color:rgb(106, 255, 150);"></div></td>
<td class="legend-cell">1000°C</td>
</tr>
<tr>
<td class="legend-cell"><div style="width:20px;height:20px;background-color:rgb(255, 136, 0);"></div></td>
<td class="legend-cell">1000°C</td>
</tr>
<tr>
<td class="legend-cell"><div style="width:20px;height:20px;background-color:rgb(128, 0, 0);"></div></td>
<td class="legend-cell">1000°C</td>
</tr>
</table>
<style>

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examples/ratio_pyrometry.py Normal file
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import math
import cv2 as cv
import numpy as np
from numba import jit
import json
# camera settings
file = '01-0001.png'
I_Darkcurrent = 150.5
exposure_time = 0.500
f_stop = 2.4
ISO = 64 # basically brightness
# pyrometry config
MAX_TEMP = 1200
MIN_TEMP = 60
# original range from paper
# MAX_GR_RATIO = 1200
# MIN_GR_RATIO = 600
# Cropping config
x1 = 420
x2 = 1200
y1 = 400
y2 = -1
# post-processing
smoothing_radius = 2
# temperature key generation
key_entries = 6
@jit(nopython=True)
def rg_ratio_normalize(imgarr):
# set max & min to most extreme values,
# work up & down respectively from there
tmin = MAX_TEMP
tmax = 0
imgnew = imgarr
for i in range(len(imgarr)):
for j in range(len(imgarr[i])):
px = imgarr[i][j]
r_norm = normalization_func(px[0])
g_norm = normalization_func(px[1])
# apply camera calibration func
temp_C = pyrometry_calibration_formula(g_norm, r_norm)
# remove pixels outside calibration range
if MAX_TEMP != None and temp_C > MAX_TEMP or MIN_TEMP != None and temp_C < MIN_TEMP:
temp_C = 0
# update min & max
if temp_C < tmin and temp_C >= 0:
tmin = temp_C
if temp_C > tmax:
tmax = temp_C
imgnew[i][j] = [temp_C, temp_C, temp_C]
return imgnew, tmin, tmax
@jit(nopython=True)
def normalization_func(i):
"""
does something to the pixels that i don't understand lol
"""
return (i - I_Darkcurrent) * (f_stop ** 2) / (ISO * exposure_time)
@jit(nopython=True)
def pyrometry_calibration_formula(i_ng, i_nr):
"""
Given the green-red ratio, calculates an approximate temperature
in Celsius.
"""
return 362.73 * math.log10(
(i_ng/i_nr) ** 3
) + 2186.7 * math.log10(
(i_ng/i_nr) ** 3
) + 4466.5 * math.log10(
(i_ng / i_nr) ** 3
) + 3753.5
# read image & crop
file_name = file.split(".")[0]
file_ext = file.split(".")[1]
img = cv.imread(file)
img = img[y1:y2, x1:x2]
cv.imwrite(f'{file_name}-cropped.{file_ext}', img)
# img = cv.imread('ember_test.png')
img, tmin, tmax = rg_ratio_normalize(img)
print(f"min: {tmin}°C")
print(f"max: {tmax}°C")
# build & apply smoothing conv kernel
k = []
for i in range(smoothing_radius):
k.append([1/(smoothing_radius**2) for i in range(smoothing_radius)])
kernel = np.array(k)
img = cv.filter2D(src=img, ddepth=-1, kernel=kernel)
# write colormapped image
img_jet = cv.applyColorMap(img, cv.COLORMAP_JET)
cv.imwrite(f'{file_name}-cropped-transformed-ratio.{file_ext}', img_jet)
# --- Generate temperature key ---
# adjust max & min temps to be the same as the image
# tmin_adj = tmin / (smoothing_radius ** 2)
# tmax_adj = tmax / (smoothing_radius ** 2)
# Generate 6-step key
step = (tmax - tmin) / (key_entries-1)
temps = []
key_img_arr = [[]]
for i in range(key_entries):
res_temp = tmin + (i * step)
res_color = (tmax - (i * step)) / MAX_TEMP * 255
temps.append(res_temp)
key_img_arr[0].append([res_color, res_color, res_color])
key_img = np.array(key_img_arr).astype(np.uint8)
key_img_jet = cv.applyColorMap(key_img, cv.COLORMAP_JET)
# cv.imwrite(f'{file_name}-key.{file_ext}', key_img_jet)
tempkey = {}
for i in range(len(temps)):
c = key_img_jet[0][i]
tempkey[temps[i]] = f"rgb({c[0]}, {c[1]}, {c[2]})"
print(json.dumps(tempkey, indent=4))

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flask_frontend.py Normal file
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from flask import Flask, render_template, request
app = Flask(__name__)
@app.route('/', methods=['GET'])
def index():
return render_template('index.html')
@app.route('/ratio_pyro', methods=['POST'])
def ratio_pyro():
f = request.files['file']
I_Darkcurrent = 150.5
exposure_time = 0.500
f_stop = 2.4
ISO = 64
return 200

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@ -84,6 +84,7 @@ def pyrometry_calibration_formula(i_ng, i_nr):
(i_ng / i_nr) ** 3
) + 3753.5
def ratio_pyrometry_pipeline(file):
# read image & crop
file_name = file.split(".")[0]
@ -96,9 +97,6 @@ cv.imwrite(f'{file_name}-cropped.{file_ext}', img)
img, tmin, tmax = rg_ratio_normalize(img)
print(f"min: {tmin}°C")
print(f"max: {tmax}°C")
# build & apply smoothing conv kernel
k = []
for i in range(smoothing_radius):
@ -128,14 +126,8 @@ for i in range(key_entries):
key_img = np.array(key_img_arr).astype(np.uint8)
key_img_jet = cv.applyColorMap(key_img, cv.COLORMAP_JET)
# cv.imwrite(f'{file_name}-key.{file_ext}', key_img_jet)
tempkey = {}
for i in range(len(temps)):
c = key_img_jet[0][i]
tempkey[temps[i]] = f"rgb({c[0]}, {c[1]}, {c[2]})"
# with open(f"{file_name}-tempkey.json", "w+") as file_out:
# json.dump(tempkey, file_out)
print(json.dumps(tempkey, indent=4))

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templates/app.css Normal file
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.form {
display: flex;
flex-direction: column;
}

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templates/base.jinja2 Normal file
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<!DOCTYPE html>
<head>
<title>Pyrometry Application</title>
<link rel="app.css">
</head>
<body>
{% block content %}
</body>

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templates/index.jinja2 Normal file
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{% extends "base.html" %}
{% block content %}
<div class="form">
<button onclick="">
</button>
</div>
{% endblock %}

0
uploads/.gitkeep Normal file
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