id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
524	transform issues	bbross	bbross	"1.
Horizontal (row) inverse transform is carried out first and then vertical (column) inverse transform. HM does the opposite – column inverse transform first and then row inverse transform. Our understanding is that the HM reflects the intended design.

2.
Core transform matrix shown 8-285 is the wrong (forward rather than inverse) transform matrix. Inverse transform matrix needs to be used instead.

3.
Decision: (editorial, not relating I0428) The DST in DIS should be described in the form of matrix multiply

4.
The column (or better row) addressing:
- k = 1 << ( 5 – Log2( nS ) ) * i
should be changed to 
- k = '''(''' 1 << ( 5 – Log2( nS ) ) ''')''' * i
to ensure the right precedence."	defect	closed	major	D8	Text	D7 (I1003) d9	fixed		bbross wjhan jct-vc@…