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Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#74 2024-05-16 00:54:24 +02:00
Compute radial profile

In fact if I use the center he specified (that is (509, 546)) that is not the center of the image (that is (552.5, 528)), then I get:

![answer_21242776_correct_center](/attachments/d3876117-…

Compute radial profile
eb33def18c Add a missing : and imports
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#66 2024-05-15 20:17:28 +02:00
Implement correlation

Should execute one more time to see if face negative Pearson correlation with current setup.

f719ff767a #66: Stop execution if Pearson correlation is negative
60a9dfe89c Update forgotten to commit scripts
6e7e06b85c Clean attribute_source_camera.py
e3e3d44ca9 #62: Comment loading images to memory in favor of cropping
Compare 3 commits »
6a9900df91 #66: Add Distance Enum to choose between ROOT_MEAN_SQUARE and PEARSON_CORRELATION
7ed6ff5adb Add RESOLUTION support for Denoiser.MEAN in extract_noise.py
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-15 19:18:23 +02:00
Optimize execution speed

On the crop we seem to particularly see the lines artifacts, see #70.

Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#62 2024-05-15 19:15:21 +02:00
Optimize execution speed

For Rafael 23/04/24 estimated PRNU with mean denoiser:

400x400 (per color channel) centered crop:

![mean_rafael_230424_mean_mult…

Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#56 2024-05-15 19:06:51 +02:00
Track: Real time mean computation tool?

ec4657eda8/datasets/raise/utils.py (L87-L96)

Track: Real time mean computation tool?
Use non-local means denoiser
Use a low-pass filter denoiser
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#69 2024-05-15 18:30:24 +02:00
Use a low-pass filter denoiser

New corrected PRNU:

ec4657eda8 Clean low pass denoiser
95796b53fc #69: Remove artifacts from low pass denoiser
Compare 2 commits »
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#69 2024-05-15 17:35:57 +02:00
Use a low-pass filter denoiser
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#69 2024-05-15 17:17:07 +02:00
Use a low-pass filter denoiser

The Stack Overflow answer 43346070 seems to be nice for square images.

Benjamin_Loison opened issue Benjamin_Loison/numpy#3 2024-05-15 17:03:54 +02:00
Comma in quotes
Benjamin_Loison commented on issue Benjamin_Loison/Robust_image_source_identifica…#69 2024-05-15 16:27:34 +02:00
Use a low-pass filter denoiser