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Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#70 2024-05-14 01:15:13 +02:00
Remove manually in the Fourier domain periodic patterns

On vertical axis:

image

produces:

ifft2

Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#70 2024-05-14 01:07:21 +02:00
Remove manually in the Fourier domain periodic patterns

ifft1

4bab354a95 Clean fft.py
451bd55219 Add fft.py
Compare 2 commits »
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#69 2024-05-13 23:59:20 +02:00
Use a low-pass filter denoiser

mean_rafael_230424_low_pass_multiple_colors

44e325c42b Add articles/skimage.restoration — skimage 0.23.2 documentation/
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#71 2024-05-13 23:35:14 +02:00
Use non-local means denoiser

For 200x200 with Rafael 23/04/24:

mean_rafael_230424_nl_means_multiple_colors

NameError: name 'minColor' is not defined
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#63 2024-05-13 20:23:51 +02:00
Attribute source camera

RAISE,Rafael 23_04_24_mean_accuracy_of_camera_source_attribution

![RAISE,Rafael 23_04_24_mean_estimated_prnu_camera_Rafael 23_04_24](/attach…

ce64450101 Load lazily images (#62)
10f8766793 First try lazy load
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Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-13 18:55:53 +02:00
Optimize execution speed

My tests seem biased due to a cache.

Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-13 18:43:11 +02:00
Optimize execution speed

Saving each color channel in a different file:

OPERATION = <Operation.SAVE: 2>
Image: 100%
f85e63b6e0 #62: First lazy load try
ac32abede1 Save all colors
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-13 18:21:55 +02:00
Optimize execution speed

Well I was only saving the last color.

Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-13 18:08:23 +02:00
Optimize execution speed

Serializing for all colors on both cameras:

time ./benchmark_load_part_of_images.py
Image: 100%
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-13 17:56:55 +02:00
Optimize execution speed

Related to Benjamin_Loison/rawpy/issues/2.

36b17eb3cc #62: Add benchmark_load_part_of_images.py
fb0f78e069 Add the ability to hardcode resolution
86093a40c0 Load training images to memory to ease implementation and make execution
54178c1101 #72: Verify actual data type pointer
50058d5d2e #72: Verify pointer before actually implementing the correct second choice
Compare 7 commits »
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-13 17:19:44 +02:00
Optimize execution speed 
time ./benchmark_load_part_of_images.py
Image: 100%
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-13 16:42:56 +02:00
Optimize execution speed

Thought about using benchmark_raw_images_loading.py:

#!/usr/bin/env python

from tqdm import tqdm

IMAGES_CAMERAS_FOLDER = {
    'RAISE': 'flat-field/nef',
    'Rafael…
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#72 2024-05-13 16:41:17 +02:00
Correctly implement iterative mean for camera attribution 
class iterativeMean:
    mean = None
    numberOfElementsInMean = 0

    def add(self, element):
        if self.mean is None:
            self.mean = element
        else:
    …