IXR ’25: 3 d In e na ional Wo kshop on In e ac i e eX ended
Reali y
I ene Viola
Cen um Wiskunde & In o ma ica
Ams e dam, The Ne he lands
i ene[email p o ec ed]
Sil ia Rossi
Cen um Wiskunde & In o ma ica
Ams e dam, The Ne he lands
[email p o ec ed]
Ma a O duna
Nokia XR Lab
Mad id, Spain
[email p o ec ed]
Ma ia To es Vega
KU Leu en
Leu en, Belgium
ma ia. o es ega@kuleu en.be
Abs ac
Despi e ema kable ad ances, cu en Ex ended Reali y (XR) ap-
plica ions a e in hei majo i y local and indi idual expe iences.
A ple ho a o in e ac i e applica ions, such as elecon e encing,
elesu ge y, in e connec ion in new buildings p ojec chain, cul-
u al he i age, and museum con en s communica ion, a e well on
hei way o in eg a ing imme si e echnologies. Howe e , in e -
connec ed, and in e ac i e XR, whe e pa icipan s can i ually
in e ac ac oss as dis ances, emains a dis an d eam. In ac ,
h ee g ea ba ie s s and be ween cu en echnology and emo e
imme si e in e ac i e li e-like expe iences, namely (i) con en eal-
ism, (ii) mo ion- o-pho on la ency, and accu a e (iii) human-cen ic
quali y assessmen and con ol. O e coming hese ba ie s will
equi e no el solu ions a all elemen s o he end- o-end ansmis-
sion chain. This wo kshop ocuses on he challenges, applica ions,
and majo ad ancemen s in mul imedia, ne wo ks, and end-use
in as uc u es o enable he nex gene a ion o in e ac i e XR ap-
plica ions and se ices. The wo kshop p oceedings can be ound
a : h ps://dl.acm.o g/doi/p oceedings/10.1145/3746269
CCS Concep s
•Human-cen e ed compu ing
→
Vi ual eali y;Mixed / aug-
men ed eali y;Collabo a i e in e ac ion;•Ne wo ks
→
Ne -
wo k pe o mance analysis;•In o ma ion sys ems
→
Mul imedia
s eaming.
Keywo ds
eX ended eali y, imme si e expe ience, in e ac i i y, isualiza ion
ACM Re e ence Fo ma :
I ene Viola, Sil ia Rossi, Ma a O duna, and Ma ia To es Vega. 2025. IXR ’25:
3 d In e na ional Wo kshop on In e ac i e eX ended Reali y. In P oceedings
o he 33 d ACM In e na ional Con e ence on Mul imedia (MM ’25), Oc obe
27–31, 2025, Dublin, I eland. ACM, New Yo k, NY, USA, 2 pages. h ps:
//doi.o g/10.1145/3746027.3762385
Pe mission o make digi al o ha d copies o all o pa o his wo k o pe sonal o
class oom use is g an ed wi hou ee p o ided ha copies a e no made o dis ibu ed
o p o i o comme cial ad an age and ha copies bea his no ice and he ull ci a ion
on he i s page. Copy igh s o hi d-pa y componen s o his wo k mus be hono ed.
Fo all o he uses, con ac he owne /au ho (s).
MM ’25, Dublin, I eland
©2025 Copy igh held by he owne /au ho (s).
ACM ISBN 979-8-4007-2035-2/2025/10
h ps://doi.o g/10.1145/3746027.3762385
1 In oduc ion
O e he yea s he de elopmen and op imiza ion o mul imedia
sys ems om adi ional media (s a ic 2D image y and 2D ideo) o
imme si e media (manipulable 3D) ha e been ailo ed owa ds de-
li e ing be e expe iences in emo e communica ion. This has been
essen ial o enhancing he sensa ion o p esence and in e ac i i y
p o ided by imme si e media, whe e use s a e no longe passi e
consume s bu assume ac i e engagemen and decision-making.
The opic has a ac ed a lo o a en ion om academia as well as
indus y playe s, wi h se e al publica ions and pa en s published
e e y yea on he opic, in addi ion o ele an s anda diza ion
e o s om o ganiza ions such as ITU, JPEG and MPEG.
Despi e ema kable ad ances, cu en Ex ended Reali y (XR) ap-
plica ions a e in hei majo i y local and indi idual expe iences.
A ple ho a o in e ac i e applica ions, such as elecon e encing,
ele-su ge y, in e connec ion in new buildings p ojec chain, cul-
u al he i age and museum con en s communica ion, a e well on
hei way o in eg a e imme si e echnologies. Howe e , in e con-
nec ed, and in e ac i e XR, whe e pa icipan s can i ually in e ac
ac oss as dis ances, emains a dis an d eam. In ac , h ee g ea
ba ie s s and be ween cu en echnology and emo e imme si e
in e ac i e li e-like expe iences, namely he (i) con en ealism, (ii)
mo ion- o-pho on la ency, and accu a e (iii) human cen ic qual-
i y assessmen and con ol. O e coming hese ba ie s will equi e
no el solu ions a all elemen s o he end- o-end ansmission chain.
This wo kshop ocuses on he challenges, applica ions, and majo
ad ancemen s in mul imedia, ne wo ks and end-use in as uc-
u es o enable he nex gene a ion o in e ac i e XR applica ions
and se ices.
A e he success o he inaugu al edi ion o his wo kshop in
2022 and i s ollow-up in 2023, we a e con inuing in ou pu pose o
make his he e e ence enue in he a ea o in e ac i e XR. Wi h
his hi d edi ion, we a e es ablishing a long line o yea ly wo k-
shops on he opic, o a ac no el ideas, challenges, and solu ions
om bo h academia and indus y add essing he a o emen ioned
issues.
2 Objec i e And Topics O In e es s
The objec i e o he wo kshop is o p esen and discuss new ideas,
challenges, and solu ions add essing in e ac i e XR sys ems. In
pa icula , we aim o explo e sys em designs o in e ac i e XR
expe iences; algo i hmic solu ions aiding in he comp ession and
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MM ’25, Oc obe 27–31, 2025, Dublin, I eland I ene Viola, Sil ia Rossi, Ma a O duna, & Ma ia To es Vega
deli e y o con en s o XR sys ems; and e alua ion o human
aspec s in XR en i onmen s. Topics o in e es o his wo kshop
include bu a e no limi ed o:
•
No el low-la ency encoding echniques o in e ac i e XR
applica ions;
•
No el ne wo king sys ems and p o ocols o enable in e -
ac i e imme si e applica ions. This includes op imiza ions
anging om ha dwa e (i.e., millime e -wa e ne wo ks o
op ical wi eless), physical and MAC laye s up o he ne -
wo k, anspo , and applica ion laye s (such as o e - he- op
p o ocols);
•
Signi ican ad ances and op imiza ion in 3D modeling pipelines
o AR/VR isualiza ion, accessible and inclusi e GUI, in e -
ac i e 3D models;
•
Comp ession and deli e y s a egies o imme si e media
con en s, such as omnidi ec ional ideo, ligh ields, poin
clouds, dynamic and ime- a ying meshes;
•
Quali y o Expe ience managemen o in e ac i e imme si e
media applica ions;
•
No el ende ing echniques o enhance he in e ac i i y o
XR applica ions;
•
XR applica ions and expe iences in he e a o LLMs: how
can AI aid c ea ion and deli e y o imme si e expe iences?
•
Applica ion o in e ac i e XR o di e en a eas o socie y,
such as heal h (i.e., i ual eali y exposu e he apy), indus y
(Indus y 4.0), and XR e-lea ning (acco ding o new global
aims).
3 Wo kshop O ganize s
•
I ene Viola is a senio ( enu ed) esea che a he Cen um
Wiskunde en In o ma ica (CWI) in Ams e dam, The Ne he -
lands. She ecei ed he M.Sc. in Compu e Enginee ing om
he Poly echnic Uni e si y o Tu in, I aly, in 2015, and he
Ph.D. in Elec ical Enginee ing om he Ecole Poly echnique
Fede ale de Lausanne, Swi ze land, in 2019. He esea ch in-
e es s include comp ession, deli e y, and QoE o imme si e
media sys ems. She has se ed as a Qualine chai o he
ask o ce on Imme si e Media Expe iences since 2017 and is
ac i ely in ol ed in s anda diza ion bodies, including MPEG
and ITU. She has se ed as Technical P og am Commi ee
(TPC) chai o he ACM Mul imedia Sys ems con e ence
(MMSys) wo kshop Imme si e Mixed And Vi ual En i on-
men Sys ems (MMVE) in 2021, o MMSys in 2022, o Qual-
i y o Mul imedia Expe iences (QoMEX) in 2023, and ACM
In e na ional Con e ence on In e ac i e Media Expe iences
(IMX) in 2024, and has o ganised h ee edi ions o he Sp ing
School in Social XR (2023-2025).
•
Sil ia Rossi is a senio Pos Doc o he Dis ibu ed and In-
e ac i e Sys ems (DIS) g oup a CWI in he Ne he lands.
She ecei ed he BSc and MSc deg ees, bo h in Elec onic
and Telecommunica ion Enginee ing om he Uni e si y
o Bologna - Cesena (I aly), and he Ph.D in Elec onic and
Elec ical Enginee ing om UCL, London (UK) in 2022. T uly
passiona e abou mul imedia and echnology, he esea ch
in e es s a e a ound imme si e media sys ems, a he c oss-
oads be ween mul imedia p ocessing, da a p ocessing and
analysis, machine lea ning, and communica ion sys ems. She
is also an ac i e membe o he mul imedia communi y being
pa o he Special In e es G oup o Mul imedia (SIGMM) ex-
ecu i e boa d and Reco ds eam. She has se ed as p og am
coo dina o and TPC chai o ACM Mul imedia sys em con-
e ence (MMSys’25), wo kshop chai o MMVE’24, and she
is one o he o ganize s o he Sp ing School on Social XR
(2023-2025).
•
Ma a O duna is a Telecommunica ion Enginee , BSc and
MSc deg ees in Telecommunica ion Enginee ing bo h om
Uni e sidad Poli écnica de Mad id (UPM). In 2023, she e-
cei ed he PhD om UPM en i led "Unde s anding and As-
sessing Quali y o Expe ience in Imme si e Communica-
ions”. In 2023, she joined Nokia XR Lab in Spain, whe e
she con inues he esea ch line in he a ea o quali y o
expe ience in ex ended eali y. She se es as he Nokia del-
ega e a ITU-T SG-12 and is ac i ely in ol ed in VQEG-
IMG. She has se ed as chai o a wo kshop a ACM CHI’22,
ACM CSCW’23, and TAS’24, indus y chai o ACM IMX’24,
demo chai o ACM IMX’25, di e si y and inclusion chai o
QoMEX’25, and wo kshop chai o MMVE’25. She has been
one o he o ganize s o he EURASIP In e na ional Sum-
me School on XRXT’25. She is a membe o he Go e ning
Boa d o he Spanish O icial College o Telecommunica ions
Enginee s (COIT-AEIT).
•
Ma ia To es Vega is a enu e ack assis an p o esso a KU
Leu en (Belgium), whe e he esea ch ocuses on de ising
human-d i en con ol and managemen mechanisms o en-
hancing he pe cep ion o imme si e sys ems. She ecei ed
he M.Sc. deg ee in Telecommunica ion Enginee ing om
he Poly echnic Uni e si y o Mad id, Spain, in 2009 and he
Ph.D. om he Eindho en Uni e si y o Technology, The
Ne he lands in 2017. In 2022 she ecei ed he CNOM Young
p o essional Awa d, g an ed by he IEEE Communica ion
Socie y Technical Commi ee on Ne wo k Ope a ion and
Managemen . Mo eo e in 2023, she ecei ed he Rising S a
in Ne wo king and Communica ions 2023 awa d g an ed
by he IEEE Communica ion Socie y N2Women sec ion. he
Rising S a He esea ch in e es s include quali y o se ice
and QoE in imme si e mul imedia sys ems and au onomous
ne wo ks managemen . She has se ed as chai o he Qua-
line Task Fo ce on Imme si e Media Expe iences. Mo eo e ,
she is a e y ac i e membe o he mul imedia and Quali y
o Expe ience communi y. Fo ins ance, she has se ed as
gene al chai o he In e na ional con e ence on Quali y o
Mul imedia Expe iences (QoMEX 2023).
Acknowledgmen s
We would like o hank he ACM MM ’25 con e ence o ganize s
o ag eeing o hos ou wo kshop and o hei suppo , and he
TPC o hei ime and help ul con ibu ions. The wo kshop is pa -
ially suppo ed by he Eu opean Union Ho izon Eu ope esea ch
and inno a ion p og amme unde g an ag eemen No 101070109
(TRANSMIXR) and by he Spanish Adminis a ion Agency CDTI
unde P ojec TIC-20240154 (DAWN6G).
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