id	sid	tid	token	lemma	pos
41687h16c89	1	1	statistical	statistical	ADJ
41687h16c89	1	2	iterative	iterative	ADJ
41687h16c89	1	3	image	image	NOUN
41687h16c89	1	4	reconstruction	reconstruction	NOUN
41687h16c89	1	5	methods	method	NOUN
41687h16c89	1	6	for	for	ADP
41687h16c89	1	7	x	x	NOUN
41687h16c89	1	8	-	-	NOUN
41687h16c89	1	9	ray	ray	NOUN
41687h16c89	1	10	computed	compute	VERB
41687h16c89	1	11	tomography	tomography	NOUN
41687h16c89	1	12	(	(	PUNCT
41687h16c89	1	13	ct	ct	PROPN
41687h16c89	1	14	)	)	PUNCT
41687h16c89	1	15	have	have	AUX
41687h16c89	1	16	,	,	PUNCT
41687h16c89	1	17	over	over	ADP
41687h16c89	1	18	the	the	DET
41687h16c89	1	19	past	past	ADJ
41687h16c89	1	20	few	few	ADJ
41687h16c89	1	21	years	year	NOUN
41687h16c89	1	22	,	,	PUNCT
41687h16c89	1	23	shown	show	VERB
41687h16c89	1	24	promise	promise	NOUN
41687h16c89	1	25	in	in	ADP
41687h16c89	1	26	maintaining	maintain	VERB
41687h16c89	1	27	diagnostic	diagnostic	ADJ
41687h16c89	1	28	image	image	NOUN
41687h16c89	1	29	quality	quality	NOUN
41687h16c89	1	30	across	across	ADP
41687h16c89	1	31	a	a	DET
41687h16c89	1	32	wider	wide	ADJ
41687h16c89	1	33	range	range	NOUN
41687h16c89	1	34	of	of	ADP
41687h16c89	1	35	dosage	dosage	NOUN
41687h16c89	1	36	than	than	SCONJ
41687h16c89	1	37	has	have	AUX
41687h16c89	1	38	been	be	AUX
41687h16c89	1	39	routinely	routinely	ADV
41687h16c89	1	40	practical	practical	ADJ
41687h16c89	1	41	with	with	ADP
41687h16c89	1	42	standard	standard	ADJ
41687h16c89	1	43	deterministic	deterministic	ADJ
41687h16c89	1	44	methods	method	NOUN
41687h16c89	1	45	.	.	PUNCT
41687h16c89	2	1	in	in	ADP
41687h16c89	2	2	this	this	DET
41687h16c89	2	3	dissertation	dissertation	NOUN
41687h16c89	2	4	,	,	PUNCT
41687h16c89	2	5	iterative	iterative	ADJ
41687h16c89	2	6	reconstruction	reconstruction	NOUN
41687h16c89	2	7	techniques	technique	NOUN
41687h16c89	2	8	are	be	AUX
41687h16c89	2	9	modified	modify	VERB
41687h16c89	2	10	to	to	PART
41687h16c89	2	11	attack	attack	VERB
41687h16c89	2	12	three	three	NUM
41687h16c89	2	13	limited	limited	ADJ
41687h16c89	2	14	-	-	PUNCT
41687h16c89	2	15	information	information	NOUN
41687h16c89	2	16	problems	problem	NOUN
41687h16c89	2	17	:	:	PUNCT
41687h16c89	2	18	(	(	PUNCT
41687h16c89	2	19	i	i	NOUN
41687h16c89	2	20	)	)	PUNCT
41687h16c89	2	21	photon	photon	NOUN
41687h16c89	2	22	starvation	starvation	NOUN
41687h16c89	2	23	due	due	ADP
41687h16c89	2	24	to	to	ADP
41687h16c89	2	25	low	low	ADJ
41687h16c89	2	26	signals	signal	NOUN
41687h16c89	2	27	;	;	PUNCT
41687h16c89	2	28	(	(	PUNCT
41687h16c89	2	29	ii	ii	X
41687h16c89	2	30	)	)	PUNCT
41687h16c89	2	31	artifacts	artifact	NOUN
41687h16c89	2	32	induced	induce	VERB
41687h16c89	2	33	by	by	ADP
41687h16c89	2	34	high	high	ADJ
41687h16c89	2	35	attenuation	attenuation	NOUN
41687h16c89	2	36	objects	object	NOUN
41687h16c89	2	37	and	and	CCONJ
41687h16c89	2	38	(	(	PUNCT
41687h16c89	2	39	iii	iii	NUM
41687h16c89	2	40	)	)	PUNCT
41687h16c89	2	41	spatially	spatially	ADV
41687h16c89	2	42	non	non	ADJ
41687h16c89	2	43	-	-	ADJ
41687h16c89	2	44	uniform	uniform	ADJ
41687h16c89	2	45	sampling	sample	VERB
41687h16c89	2	46	geometry.dose	geometry.dose	NOUN
41687h16c89	2	47	reduction	reduction	NOUN
41687h16c89	2	48	in	in	ADP
41687h16c89	2	49	clinical	clinical	ADJ
41687h16c89	2	50	x	x	NOUN
41687h16c89	2	51	-	-	NOUN
41687h16c89	2	52	ray	ray	NOUN
41687h16c89	2	53	ct	ct	NOUN
41687h16c89	2	54	causes	cause	VERB
41687h16c89	2	55	low	low	ADJ
41687h16c89	2	56	signal	signal	NOUN
41687h16c89	2	57	-	-	PUNCT
41687h16c89	2	58	to	to	ADP
41687h16c89	2	59	-	-	PUNCT
41687h16c89	2	60	noise	noise	NOUN
41687h16c89	2	61	ratio	ratio	NOUN
41687h16c89	2	62	(	(	PUNCT
41687h16c89	2	63	snr	snr	PROPN
41687h16c89	2	64	)	)	PUNCT
41687h16c89	2	65	in	in	ADP
41687h16c89	2	66	photon	photon	NOUN
41687h16c89	2	67	-	-	PUNCT
41687h16c89	2	68	sparse	sparse	ADJ
41687h16c89	2	69	situations	situation	NOUN
41687h16c89	2	70	.	.	PUNCT
41687h16c89	3	1	all	all	DET
41687h16c89	3	2	techniques	technique	NOUN
41687h16c89	3	3	meet	meet	VERB
41687h16c89	3	4	their	their	PRON
41687h16c89	3	5	limits	limit	NOUN
41687h16c89	3	6	of	of	ADP
41687h16c89	3	7	practicality	practicality	ADJ
41687h16c89	3	8	when	when	SCONJ
41687h16c89	3	9	significant	significant	ADJ
41687h16c89	3	10	portions	portion	NOUN
41687h16c89	3	11	of	of	ADP
41687h16c89	3	12	the	the	DET
41687h16c89	3	13	sinogram	sinogram	NOUN
41687h16c89	3	14	are	be	AUX
41687h16c89	3	15	near	near	ADP
41687h16c89	3	16	photon	photon	NOUN
41687h16c89	3	17	starvation	starvation	NOUN
41687h16c89	3	18	.	.	PUNCT
41687h16c89	4	1	the	the	DET
41687h16c89	4	2	corruption	corruption	NOUN
41687h16c89	4	3	of	of	ADP
41687h16c89	4	4	electronic	electronic	ADJ
41687h16c89	4	5	noise	noise	NOUN
41687h16c89	4	6	leads	lead	VERB
41687h16c89	4	7	to	to	ADP
41687h16c89	4	8	measured	measure	VERB
41687h16c89	4	9	photon	photon	NOUN
41687h16c89	4	10	counts	count	NOUN
41687h16c89	4	11	'	'	PART
41687h16c89	4	12	taking	take	VERB
41687h16c89	4	13	on	on	ADP
41687h16c89	4	14	negative	negative	ADJ
41687h16c89	4	15	values	value	NOUN
41687h16c89	4	16	,	,	PUNCT
41687h16c89	4	17	posing	pose	VERB
41687h16c89	4	18	a	a	DET
41687h16c89	4	19	problem	problem	NOUN
41687h16c89	4	20	for	for	ADP
41687h16c89	4	21	the	the	DET
41687h16c89	4	22	log	log	NOUN
41687h16c89	4	23	(	(	PUNCT
41687h16c89	4	24	)	)	PUNCT
41687h16c89	4	25	operation	operation	NOUN
41687h16c89	4	26	in	in	ADP
41687h16c89	4	27	pre	pre	ADJ
41687h16c89	4	28	-	-	ADJ
41687h16c89	4	29	processing	processing	NOUN
41687h16c89	4	30	of	of	ADP
41687h16c89	4	31	data	datum	NOUN
41687h16c89	4	32	.	.	PUNCT
41687h16c89	5	1	we	we	PRON
41687h16c89	5	2	propose	propose	VERB
41687h16c89	5	3	two	two	NUM
41687h16c89	5	4	categories	category	NOUN
41687h16c89	5	5	of	of	ADP
41687h16c89	5	6	methods	method	NOUN
41687h16c89	5	7	for	for	ADP
41687h16c89	5	8	extremely	extremely	ADV
41687h16c89	5	9	low	low	ADJ
41687h16c89	5	10	-	-	PUNCT
41687h16c89	5	11	count	count	NOUN
41687h16c89	5	12	sinogram	sinogram	NOUN
41687h16c89	5	13	pretreatment	pretreatment	NOUN
41687h16c89	5	14	:	:	PUNCT
41687h16c89	5	15	an	an	DET
41687h16c89	5	16	adaptive	adaptive	ADJ
41687h16c89	5	17	denoising	denoise	VERB
41687h16c89	5	18	filter	filter	NOUN
41687h16c89	5	19	and	and	CCONJ
41687h16c89	5	20	a	a	DET
41687h16c89	5	21	pointwise	pointwise	NOUN
41687h16c89	5	22	bayesian	bayesian	ADJ
41687h16c89	5	23	inference	inference	NOUN
41687h16c89	5	24	method	method	NOUN
41687h16c89	5	25	.	.	PUNCT
41687h16c89	6	1	the	the	DET
41687h16c89	6	2	denoising	denoise	VERB
41687h16c89	6	3	filter	filter	NOUN
41687h16c89	6	4	is	be	AUX
41687h16c89	6	5	easy	easy	ADJ
41687h16c89	6	6	to	to	PART
41687h16c89	6	7	implement	implement	VERB
41687h16c89	6	8	and	and	CCONJ
41687h16c89	6	9	preserves	preserve	VERB
41687h16c89	6	10	local	local	ADJ
41687h16c89	6	11	statistics	statistic	NOUN
41687h16c89	6	12	,	,	PUNCT
41687h16c89	6	13	but	but	CCONJ
41687h16c89	6	14	it	it	PRON
41687h16c89	6	15	introduces	introduce	VERB
41687h16c89	6	16	correlation	correlation	NOUN
41687h16c89	6	17	between	between	ADP
41687h16c89	6	18	channels	channel	NOUN
41687h16c89	6	19	and	and	CCONJ
41687h16c89	6	20	may	may	AUX
41687h16c89	6	21	affect	affect	VERB
41687h16c89	6	22	image	image	NOUN
41687h16c89	6	23	resolution	resolution	NOUN
41687h16c89	6	24	.	.	PUNCT
41687h16c89	7	1	the	the	DET
41687h16c89	7	2	bayesian	bayesian	ADJ
41687h16c89	7	3	inference	inference	NOUN
41687h16c89	7	4	is	be	AUX
41687h16c89	7	5	a	a	DET
41687h16c89	7	6	pointwise	pointwise	NOUN
41687h16c89	7	7	estimate	estimate	NOUN
41687h16c89	7	8	incorporating	incorporate	VERB
41687h16c89	7	9	a	a	DET
41687h16c89	7	10	prior	prior	ADJ
41687h16c89	7	11	model	model	NOUN
41687h16c89	7	12	for	for	ADP
41687h16c89	7	13	poisson	poisson	NOUN
41687h16c89	7	14	rates	rate	NOUN
41687h16c89	7	15	.	.	PUNCT
41687h16c89	8	1	both	both	DET
41687h16c89	8	2	approaches	approach	NOUN
41687h16c89	8	3	achieve	achieve	VERB
41687h16c89	8	4	significant	significant	ADJ
41687h16c89	8	5	improvements	improvement	NOUN
41687h16c89	8	6	in	in	ADP
41687h16c89	8	7	diagnostic	diagnostic	ADJ
41687h16c89	8	8	image	image	NOUN
41687h16c89	8	9	quality	quality	NOUN
41687h16c89	8	10	at	at	ADP
41687h16c89	8	11	dramatically	dramatically	ADV
41687h16c89	8	12	reduced	reduce	VERB
41687h16c89	8	13	dosage	dosage	NOUN
41687h16c89	8	14	.	.	PUNCT
41687h16c89	9	1	high	high	ADJ
41687h16c89	9	2	-	-	PUNCT
41687h16c89	9	3	attenuation	attenuation	NOUN
41687h16c89	9	4	materials	material	NOUN
41687h16c89	9	5	pose	pose	VERB
41687h16c89	9	6	significant	significant	ADJ
41687h16c89	9	7	challenges	challenge	NOUN
41687h16c89	9	8	to	to	ADP
41687h16c89	9	9	ct	ct	PROPN
41687h16c89	9	10	imaging	imaging	NOUN
41687h16c89	9	11	.	.	PUNCT
41687h16c89	10	1	formed	form	VERB
41687h16c89	10	2	of	of	ADP
41687h16c89	10	3	high	high	ADJ
41687h16c89	10	4	mass	mass	ADJ
41687h16c89	10	5	density	density	NOUN
41687h16c89	10	6	and	and	CCONJ
41687h16c89	10	7	high	high	ADJ
41687h16c89	10	8	atomic	atomic	ADJ
41687h16c89	10	9	number	number	NOUN
41687h16c89	10	10	elements	element	NOUN
41687h16c89	10	11	,	,	PUNCT
41687h16c89	10	12	bones	bone	NOUN
41687h16c89	10	13	and	and	CCONJ
41687h16c89	10	14	metals	metal	NOUN
41687h16c89	10	15	,	,	PUNCT
41687h16c89	10	16	for	for	ADP
41687h16c89	10	17	example	example	NOUN
41687h16c89	10	18	,	,	PUNCT
41687h16c89	10	19	have	have	VERB
41687h16c89	10	20	high	high	ADJ
41687h16c89	10	21	resistance	resistance	NOUN
41687h16c89	10	22	to	to	ADP
41687h16c89	10	23	transmission	transmission	NOUN
41687h16c89	10	24	of	of	ADP
41687h16c89	10	25	photons	photon	NOUN
41687h16c89	10	26	.	.	PUNCT
41687h16c89	11	1	scatter	scatter	VERB
41687h16c89	11	2	and	and	CCONJ
41687h16c89	11	3	beam	beam	VERB
41687h16c89	11	4	hardening	hardening	NOUN
41687h16c89	11	5	effects	effect	NOUN
41687h16c89	11	6	are	be	AUX
41687h16c89	11	7	more	more	ADV
41687h16c89	11	8	prominent	prominent	ADJ
41687h16c89	11	9	,	,	PUNCT
41687h16c89	11	10	raising	raise	VERB
41687h16c89	11	11	substantially	substantially	ADV
41687h16c89	11	12	the	the	DET
41687h16c89	11	13	importance	importance	NOUN
41687h16c89	11	14	of	of	ADP
41687h16c89	11	15	the	the	DET
41687h16c89	11	16	nonlinear	nonlinear	ADJ
41687h16c89	11	17	relation	relation	NOUN
41687h16c89	11	18	between	between	ADP
41687h16c89	11	19	line	line	NOUN
41687h16c89	11	20	-	-	PUNCT
41687h16c89	11	21	integral	integral	ADJ
41687h16c89	11	22	projection	projection	NOUN
41687h16c89	11	23	estimates	estimate	NOUN
41687h16c89	11	24	and	and	CCONJ
41687h16c89	11	25	path	path	NOUN
41687h16c89	11	26	lengths	length	NOUN
41687h16c89	11	27	.	.	PUNCT
41687h16c89	12	1	as	as	ADP
41687h16c89	12	2	a	a	DET
41687h16c89	12	3	result	result	NOUN
41687h16c89	12	4	,	,	PUNCT
41687h16c89	12	5	streaking	streak	VERB
41687h16c89	12	6	artifacts	artifact	NOUN
41687h16c89	12	7	often	often	ADV
41687h16c89	12	8	appear	appear	VERB
41687h16c89	12	9	in	in	ADP
41687h16c89	12	10	reconstructed	reconstructed	ADJ
41687h16c89	12	11	images	image	NOUN
41687h16c89	12	12	along	along	ADP
41687h16c89	12	13	high	high	ADJ
41687h16c89	12	14	density	density	NOUN
41687h16c89	12	15	directions	direction	NOUN
41687h16c89	12	16	.	.	PUNCT
41687h16c89	13	1	in	in	ADP
41687h16c89	13	2	this	this	DET
41687h16c89	13	3	dissertation	dissertation	NOUN
41687h16c89	13	4	,	,	PUNCT
41687h16c89	13	5	two	two	NUM
41687h16c89	13	6	novel	novel	ADJ
41687h16c89	13	7	iterative	iterative	ADJ
41687h16c89	13	8	approaches	approach	NOUN
41687h16c89	13	9	are	be	AUX
41687h16c89	13	10	proposed	propose	VERB
41687h16c89	13	11	to	to	PART
41687h16c89	13	12	reduce	reduce	VERB
41687h16c89	13	13	such	such	ADJ
41687h16c89	13	14	artifacts	artifact	NOUN
41687h16c89	13	15	.	.	PUNCT
41687h16c89	14	1	one	one	NUM
41687h16c89	14	2	method	method	NOUN
41687h16c89	14	3	parameterizes	parameterize	VERB
41687h16c89	14	4	scatter	scatter	VERB
41687h16c89	14	5	and	and	CCONJ
41687h16c89	14	6	beam	beam	VERB
41687h16c89	14	7	hardening	hardening	NOUN
41687h16c89	14	8	as	as	ADP
41687h16c89	14	9	a	a	DET
41687h16c89	14	10	locally	locally	ADV
41687h16c89	14	11	varying	vary	VERB
41687h16c89	14	12	additive	additive	ADJ
41687h16c89	14	13	poisson	poisson	NOUN
41687h16c89	14	14	noise	noise	NOUN
41687h16c89	14	15	,	,	PUNCT
41687h16c89	14	16	and	and	CCONJ
41687h16c89	14	17	attempts	attempt	VERB
41687h16c89	14	18	to	to	PART
41687h16c89	14	19	estimate	estimate	VERB
41687h16c89	14	20	the	the	DET
41687h16c89	14	21	offset	offset	NOUN
41687h16c89	14	22	as	as	ADP
41687h16c89	14	23	part	part	NOUN
41687h16c89	14	24	of	of	ADP
41687h16c89	14	25	the	the	DET
41687h16c89	14	26	iterative	iterative	ADJ
41687h16c89	14	27	reconstruction	reconstruction	NOUN
41687h16c89	14	28	loop	loop	NOUN
41687h16c89	14	29	.	.	PUNCT
41687h16c89	15	1	the	the	DET
41687h16c89	15	2	other	other	ADJ
41687h16c89	15	3	method	method	NOUN
41687h16c89	15	4	uses	use	VERB
41687h16c89	15	5	a	a	DET
41687h16c89	15	6	prior	prior	ADJ
41687h16c89	15	7	image	image	NOUN
41687h16c89	15	8	to	to	PART
41687h16c89	15	9	guide	guide	VERB
41687h16c89	15	10	both	both	CCONJ
41687h16c89	15	11	reconstruction	reconstruction	NOUN
41687h16c89	15	12	and	and	CCONJ
41687h16c89	15	13	sinogram	sinogram	NOUN
41687h16c89	15	14	correction	correction	NOUN
41687h16c89	15	15	.	.	PUNCT
41687h16c89	16	1	artifacts	artifact	NOUN
41687h16c89	16	2	are	be	AUX
41687h16c89	16	3	significantly	significantly	ADV
41687h16c89	16	4	reduced	reduce	VERB
41687h16c89	16	5	at	at	ADP
41687h16c89	16	6	little	little	ADJ
41687h16c89	16	7	cost	cost	NOUN
41687h16c89	16	8	in	in	ADP
41687h16c89	16	9	resolution	resolution	NOUN
41687h16c89	16	10	loss	loss	NOUN
41687h16c89	16	11	.	.	PUNCT
41687h16c89	17	1	cone	cone	NOUN
41687h16c89	17	2	-	-	PUNCT
41687h16c89	17	3	beam	beam	NOUN
41687h16c89	17	4	geometry	geometry	NOUN
41687h16c89	17	5	creates	create	VERB
41687h16c89	17	6	non	non	ADJ
41687h16c89	17	7	-	-	ADJ
41687h16c89	17	8	uniform	uniform	ADJ
41687h16c89	17	9	spatial	spatial	ADJ
41687h16c89	17	10	sampling	sampling	NOUN
41687h16c89	17	11	rates	rate	NOUN
41687h16c89	17	12	,	,	PUNCT
41687h16c89	17	13	which	which	PRON
41687h16c89	17	14	becomes	become	VERB
41687h16c89	17	15	a	a	DET
41687h16c89	17	16	more	more	ADV
41687h16c89	17	17	pronounced	pronounced	ADJ
41687h16c89	17	18	issue	issue	NOUN
41687h16c89	17	19	as	as	SCONJ
41687h16c89	17	20	scanners	scanner	NOUN
41687h16c89	17	21	are	be	AUX
41687h16c89	17	22	extended	extend	VERB
41687h16c89	17	23	to	to	ADP
41687h16c89	17	24	wider	wide	ADJ
41687h16c89	17	25	cone	cone	NOUN
41687h16c89	17	26	angles	angle	NOUN
41687h16c89	17	27	.	.	PUNCT
41687h16c89	18	1	while	while	SCONJ
41687h16c89	18	2	in	in	ADP
41687h16c89	18	3	new	new	ADJ
41687h16c89	18	4	,	,	PUNCT
41687h16c89	18	5	wider	wide	ADJ
41687h16c89	18	6	-	-	PUNCT
41687h16c89	18	7	coverage	coverage	NOUN
41687h16c89	18	8	detectors	detector	NOUN
41687h16c89	18	9	,	,	PUNCT
41687h16c89	18	10	noise	noise	NOUN
41687h16c89	18	11	non	non	ADJ
41687h16c89	18	12	-	-	NOUN
41687h16c89	18	13	uniformity	uniformity	NOUN
41687h16c89	18	14	can	can	AUX
41687h16c89	18	15	be	be	AUX
41687h16c89	18	16	mitigated	mitigate	VERB
41687h16c89	18	17	by	by	ADP
41687h16c89	18	18	spatially	spatially	ADV
41687h16c89	18	19	adaptive	adaptive	ADJ
41687h16c89	18	20	regularization	regularization	NOUN
41687h16c89	18	21	design	design	NOUN
41687h16c89	18	22	,	,	PUNCT
41687h16c89	18	23	some	some	DET
41687h16c89	18	24	data	datum	NOUN
41687h16c89	18	25	dependent	dependent	ADJ
41687h16c89	18	26	systematic	systematic	ADJ
41687h16c89	18	27	errors	error	NOUN
41687h16c89	18	28	are	be	AUX
41687h16c89	18	29	difficult	difficult	ADJ
41687h16c89	18	30	to	to	PART
41687h16c89	18	31	model	model	VERB
41687h16c89	18	32	deterministically	deterministically	ADV
41687h16c89	18	33	.	.	PUNCT
41687h16c89	19	1	the	the	DET
41687h16c89	19	2	detector	detector	NOUN
41687h16c89	19	3	array	array	NOUN
41687h16c89	19	4	is	be	AUX
41687h16c89	19	5	adjusted	adjust	VERB
41687h16c89	19	6	to	to	PART
41687h16c89	19	7	accommodate	accommodate	VERB
41687h16c89	19	8	detection	detection	NOUN
41687h16c89	19	9	efficiency	efficiency	NOUN
41687h16c89	19	10	issue	issue	NOUN
41687h16c89	19	11	at	at	ADP
41687h16c89	19	12	large	large	ADJ
41687h16c89	19	13	cone	cone	NOUN
41687h16c89	19	14	angles	angle	NOUN
41687h16c89	19	15	.	.	PUNCT
41687h16c89	20	1	array	array	NOUN
41687h16c89	20	2	modules	module	NOUN
41687h16c89	20	3	are	be	AUX
41687h16c89	20	4	compromised	compromise	VERB
41687h16c89	20	5	to	to	PART
41687h16c89	20	6	be	be	AUX
41687h16c89	20	7	tilted	tilt	VERB
41687h16c89	20	8	towards	towards	ADP
41687h16c89	20	9	the	the	DET
41687h16c89	20	10	source	source	NOUN
41687h16c89	20	11	,	,	PUNCT
41687h16c89	20	12	which	which	PRON
41687h16c89	20	13	causes	cause	VERB
41687h16c89	20	14	systematic	systematic	ADJ
41687h16c89	20	15	inconsistencies	inconsistency	NOUN
41687h16c89	20	16	between	between	ADP
41687h16c89	20	17	two	two	NUM
41687h16c89	20	18	module	module	NOUN
41687h16c89	20	19	boundaries	boundary	NOUN
41687h16c89	20	20	.	.	PUNCT
41687h16c89	21	1	to	to	PART
41687h16c89	21	2	combat	combat	VERB
41687h16c89	21	3	the	the	DET
41687h16c89	21	4	challenge	challenge	NOUN
41687h16c89	21	5	of	of	ADP
41687h16c89	21	6	increased	increase	VERB
41687h16c89	21	7	sampling	sample	VERB
41687h16c89	21	8	non	non	ADJ
41687h16c89	21	9	-	-	NOUN
41687h16c89	21	10	uniformity	uniformity	NOUN
41687h16c89	21	11	,	,	PUNCT
41687h16c89	21	12	we	we	PRON
41687h16c89	21	13	propose	propose	VERB
41687h16c89	21	14	a	a	DET
41687h16c89	21	15	joint	joint	ADJ
41687h16c89	21	16	system	system	NOUN
41687h16c89	21	17	parameter	parameter	NOUN
41687h16c89	21	18	estimation	estimation	NOUN
41687h16c89	21	19	with	with	ADP
41687h16c89	21	20	image	image	NOUN
41687h16c89	21	21	reconstruction	reconstruction	NOUN
41687h16c89	21	22	algorithm	algorithm	PROPN
41687h16c89	21	23	.	.	PUNCT
41687h16c89	22	1	clustering	clustering	NOUN
41687h16c89	22	2	and	and	CCONJ
41687h16c89	22	3	regularization	regularization	NOUN
41687h16c89	22	4	are	be	AUX
41687h16c89	22	5	used	use	VERB
41687h16c89	22	6	to	to	PART
41687h16c89	22	7	avoid	avoid	VERB
41687h16c89	22	8	overfitting	overfitte	VERB
41687h16c89	22	9	and	and	CCONJ
41687h16c89	22	10	"	"	PUNCT
41687h16c89	22	11	dc	dc	PROPN
41687h16c89	22	12	"	"	PUNCT
41687h16c89	22	13	drift	drift	NOUN
41687h16c89	22	14	.	.	PUNCT