edit: separated concurrent unbiased error rate

Signed-off-by: Stephen L. <lrq3000@gmail.com>
edit: fix disequilibrium trick performance bug

Signed-off-by: Stephen L. <lrq3000@gmail.com>
meta-edit: comments for disequilibrium

Signed-off-by: Stephen L. <lrq3000@gmail.com>
add: figures

Signed-off-by: Stephen L. <lrq3000@gmail.com>
edit: fix disequilibrium error (sparse matrix can't be used as indexes)

Signed-off-by: Stephen L. <lrq3000@gmail.com>
meta-edit: comments for all test_stats

Signed-off-by: Stephen L. <lrq3000@gmail.com>
edit: figures

Signed-off-by: Stephen L. <lrq3000@gmail.com>
edit: moved guiding mask (from post-processing to in-between processing, between propagation and filtering) to improve performance and for compatibility with ML

Signed-off-by: Stephen L. <lrq3000@gmail.com>
edit: figures

Signed-off-by: Stephen L. <lrq3000@gmail.com>