Tv warmstart (#1493)

*Added warm start functionality to the CIL total variation function

---------

Signed-off-by: Margaret Duff <43645617+MargaretDuff@users.noreply.github.com>
Signed-off-by: Edoardo Pasca <edo.paskino@gmail.com>
Signed-off-by: Gemma Fardell <47746591+gfardell@users.noreply.github.com>
Co-authored-by: Claire Delplanke <cd902@bath.ac.uk>
Co-authored-by: Margaret Duff <43645617+MargaretDuff@users.noreply.github.com>
Co-authored-by: Gemma Fardell <47746591+gfardell@users.noreply.github.com>
Co-authored-by: Edoardo Pasca <edo.paskino@gmail.com>

CHANGELOG.md

@@ -6,8 +6,10 @@
   - Refactor SIRT algorithm to make it more computationally and memory efficient
   - Optimisation in L2NormSquared
   - Fix for show_geometry bug for 2D data
+  - Added warmstart capability to proximal evaluation of the CIL TotalVariation function.
   - FBP split processing bug fix - now respects panel origin
 
+
 * 23.0.1
   - Fix bug with NikonReader requiring ROI to be set in constructor.
 

NOTICE.txt

@@ -40,6 +40,7 @@ Gemma Fardell (2019 - present) - 1
 Kris Thielemans (2020 - present) - 5
 Laura Murgatroyd (2021 - present) - 1
 Evelina Ametova (2018-2020) - 3, (2020-2021) - 6 
+Margaret Duff (2023 - present) - 1 
 
 CIL Contributors:
 Srikanth Nagella (2017-2018) - 1