[Mp4-tech] Question regarding slice groups

[Ye-Kui.Wang nokia.com]

Slice groups can be used to improve error resilience as well as to
realize other functionalities, including region-of-interest spatial
scalable coding, random access from inter pictures, and so on. 
BR, YK
________________________________
	From: mp4-tech-bounces lists.mpegif.org
[mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of ext Nitin PAI
	Sent: Thursday, May 25, 2024 7:43 AM
	To: mp4-tech lists.mpegif.org
	Subject: [Mp4-tech] Question regarding slice groups
	Hi, 
	I want to know the significance of introducing slice groups.  I
understand that the slices are needed for error resilience.  Does slice
groups serve only the need of grouping the slices in raster order or
ease of specifiying the slice group map?  Or is there any other things
like a slice group is an independent decodable entity ( i mean the
motion vectors should be constrained to lie inside the slice group
only?) 
	Thanks,
	Nitin  
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