Image derivative: Revision history

3 February 2025

• curprev 03:3903:39, 3 February 2025 Fgnievinski talk contribs 12,697 bytes +34 →Other approaches undo

23 February 2024

• curprev 09:4909:49, 23 February 2024 Frap talk contribs 12,663 bytes +58 Add category undo

23 October 2023

• curprev 11:5511:55, 23 October 2023 607 wikipedia talk contribs 12,605 bytes +20 Link 'Gaussian' in 'Gaussian derivatives' to 'Gaussian filter' undo

2 October 2022

• curprev 10:0310:03, 2 October 2022 Olexa Riznyk talk contribs 12,585 bytes +28 →Other approaches: Adding Savitzky–Golay filter wikilink undo
• curprev 09:3409:34, 2 October 2022 Olexa Riznyk talk contribs 12,557 bytes +4 →Other approaches: Adding Steerable filter wikilink undo
• curprev 09:2009:20, 2 October 2022 Olexa Riznyk talk contribs 12,553 bytes +4 →Hast derivatives: Adding Catmull-Rom spline wikilink undo

27 September 2022

• curprev 21:1021:10, 27 September 2022 Olexa Riznyk talk contribs 12,549 bytes +21 →Sobel derivatives: Adding Separable filter wikilink undo

11 June 2022

• curprev 08:4908:49, 11 June 2022 Doremo talk contribs 12,528 bytes 0 capitalization undo

17 September 2021

• curprev 17:0917:09, 17 September 2021 Michael Hardy talk contribs m 12,528 bytes 0 Michael Hardy moved page Image derivatives to Image derivative: WP:MOS undo
• curprev 17:0917:09, 17 September 2021 Michael Hardy talk contribs 12,528 bytes +22 No edit summary undo

10 September 2021

• curprev 01:5801:58, 10 September 2021 Fgnievinski talk contribs 12,506 bytes +47 added Category:Generalizations of the derivative using HotCat undo

12 January 2021

• curprev 08:0908:09, 12 January 2021 Airon90 talk contribs m 12,459 bytes −1 No edit summary undo

10 November 2020

• curprev 16:5716:57, 10 November 2020 MwGamera talk contribs m 12,460 bytes −15 refspace undo

25 July 2020

• curprev 11:4811:48, 25 July 2020 WOSlinker talk contribs m 12,475 bytes +72 change source to syntaxhighlight undo

23 July 2020

• curprev 09:3509:35, 23 July 2020 Frap talk contribs 12,403 bytes 0 MOS:HEAD undo

17 August 2019

• curprev 20:0220:02, 17 August 2019 Dgpop talk contribs 12,403 bytes −24 →Hast Derivatives: WP:NOTED undo

1 August 2019

• curprev 20:3320:33, 1 August 2019 Jarble talk contribs 12,427 bytes +606 adding links to references using Google Scholar undo

29 April 2018

• curprev 08:1708:17, 29 April 2018 Zerpi talk contribs m 11,821 bytes −12 →Sobel Derivatives undo
• curprev 08:1608:16, 29 April 2018 Zerpi talk contribs 11,833 bytes 0 →Sobel Derivatives: The signs were wrong and inconsistent with the idea of convolution. undo
• curprev 08:1008:10, 29 April 2018 Zerpi talk contribs 11,833 bytes +75 →Hast Derivatives: I reversed the columns in M so that d and k are the actual impulse responses with correct signs and consistent with the previous math. This removes the need to negate the first order derivatives in the last two lines undo
• curprev 08:0108:01, 29 April 2018 Zerpi talk contribs 11,758 bytes +68 →Farid and Simoncelli Derivatives: switched u and v back to be consistent with the rest of the article in which "u" seems to mean the vertical axis and v the horizonal axis. undo
• curprev 07:4607:46, 29 April 2018 Zerpi talk contribs 11,690 bytes −30 →Farid and Simoncelli Derivatives: The previous example code had the wrong sign, accidentally applied filter k more often than necessary which tends to smooth the image too much and use u for the derivative in Y and v for X instead of the other way around. undo

7 April 2018

• curprev 13:0113:01, 7 April 2018 Ricardofantin talk contribs m 11,720 bytes −26 External link changed. undo

4 April 2018

• curprev 10:3910:39, 4 April 2018 134.34.192.104 talk 11,746 bytes +17 link to Gabor filter undo Tag: Visual edit

30 August 2016

• curprev 14:2414:24, 30 August 2016 Lourakis talk contribs m 11,729 bytes +474 →Farid and Simoncelli Derivatives: d1 & d2 coefficients vs. d1 coefficients only undo

6 January 2016

• curprev 15:5015:50, 6 January 2016 Airon90 talk contribs m 11,255 bytes +6 No edit summary undo

24 February 2015

• curprev 00:4800:48, 24 February 2015 DragonflySixtyseven talk contribs m 11,249 bytes 0 DragonflySixtyseven moved page Image Derivatives to Image derivatives undo

9 February 2015

• curprev 08:2108:21, 9 February 2015 Yobot talk contribs m 11,249 bytes −5 WP:CHECKWIKI error fixes using AWB (10820) undo

25 January 2015

• curprev 22:1222:12, 25 January 2015 Davisonio talk contribs m 11,254 bytes −81 cleanup undo
• curprev 22:1022:10, 25 January 2015 Davisonio talk contribs 11,335 bytes −35 Cleaning up accepted Articles for creation submission (AFCH 0.9) undo
• curprev 22:1022:10, 25 January 2015 Davisonio talk contribs m 11,370 bytes 0 CraigyDavi moved page Draft:Image Derivatives to Image Derivatives: Publishing accepted Articles for creation submission (AFCH 0.9) undo
• curprev 22:0822:08, 25 January 2015 Davisonio talk contribs 11,370 bytes −68 No edit summary undo
• curprev 21:5621:56, 25 January 2015 MatthewVanitas talk contribs m 11,438 bytes 0 MatthewVanitas moved page User:The Code Blitzer/sandbox to Draft:Image Derivatives: Preferred location for AfC submissions undo
• curprev 20:0620:06, 25 January 2015 The Code Blitzer talk contribs 11,438 bytes −2 →Sobel Derivatives undo
• curprev 20:0420:04, 25 January 2015 The Code Blitzer talk contribs 11,440 bytes −2 →Hast Derivatives undo
• curprev 20:0220:02, 25 January 2015 The Code Blitzer talk contribs 11,442 bytes +2 →Farid and Simoncelli Derivatives undo
• curprev 20:0120:01, 25 January 2015 The Code Blitzer talk contribs 11,440 bytes +64 No edit summary undo
• curprev 20:0020:00, 25 January 2015 The Code Blitzer talk contribs 11,376 bytes +1 →Hast Derivatives undo
• curprev 19:5819:58, 25 January 2015 The Code Blitzer talk contribs 11,375 bytes −1 →Hast Derivatives undo
• curprev 19:5619:56, 25 January 2015 The Code Blitzer talk contribs 11,376 bytes +1,605 →Cubic Spline Derivatives undo
• curprev 19:5519:55, 25 January 2015 The Code Blitzer talk contribs 9,771 bytes −1,593 →Farid & Simoncelli Derivatives undo
• curprev 19:5419:54, 25 January 2015 The Code Blitzer talk contribs 11,364 bytes +382 →External links undo
• curprev 18:2918:29, 25 January 2015 The Code Blitzer talk contribs 10,982 bytes +1,240 No edit summary undo
• curprev 18:1118:11, 25 January 2015 The Code Blitzer talk contribs 9,742 bytes +6,488 No edit summary undo
• curprev 18:1018:10, 25 January 2015 The Code Blitzer talk contribs 3,254 bytes −6,472 →Image Derivatives undo
• curprev 18:0418:04, 25 January 2015 The Code Blitzer talk contribs 9,726 bytes +1,175 →Image Derivatives undo
• curprev 13:4513:45, 25 January 2015 The Code Blitzer talk contribs 8,551 bytes −3 →Image Derivatives undo
• curprev 13:4413:44, 25 January 2015 The Code Blitzer talk contribs 8,554 bytes +97 →Image Derivatives undo
• curprev 13:3813:38, 25 January 2015 The Code Blitzer talk contribs m 8,457 bytes +30 →Image Derivatives undo
• curprev 13:3713:37, 25 January 2015 The Code Blitzer talk contribs m 8,427 bytes +121 →Image Derivatives undo