Darwin Phones the Evolution of Sensing and Inference
- Slides: 135
Darwin Phones: the Evolution of Sensing and Inference on Mobile Phones Emiliano Miluzzo*, Cory T. Cornelius*, Ashwin Ramaswamy*, Tanzeem Choudhury*, Zhigang Liu**, Andrew T. Campbell* * CS Department – Dartmouth College ** Nokia Research Center – Palo Alto
Emiliano Miluzzo miluzzo@cs. dartmouth. edu
evolution of sensing and inference on mobile phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
PR time Emiliano Miluzzo miluzzo@cs. dartmouth. edu
Emiliano Miluzzo miluzzo@cs. dartmouth. edu
Emiliano Miluzzo miluzzo@cs. dartmouth. edu
Emiliano Miluzzo miluzzo@cs. dartmouth. edu
Emiliano Miluzzo miluzzo@cs. dartmouth. edu
Emiliano Miluzzo miluzzo@cs. dartmouth. edu
ok… so what ? ? Emiliano Miluzzo miluzzo@cs. dartmouth. edu
density Emiliano Miluzzo miluzzo@cs. dartmouth. edu
sensing accelerometer …. digital compass microphone Wi. Fi/bluetooth Emiliano Miluzzo light sensor/camera GPS miluzzo@cs. dartmouth. edu
sensing …. accelerometer air quality / pollution sensor digital compass gyroscope microphone Wi. Fi/bluetooth Emiliano Miluzzo light sensor/camera GPS miluzzo@cs. dartmouth. edu
programmability - free SDK - multitasking Emiliano Miluzzo miluzzo@cs. dartmouth. edu
hardware - 600 MHz CPU - up to 1 GB application memory computation capability is increasing Emiliano Miluzzo miluzzo@cs. dartmouth. edu
application distribution Emiliano Miluzzo miluzzo@cs. dartmouth. edu
application distribution deploy apps onto millions of phones at the blink of an eye Emiliano Miluzzo miluzzo@cs. dartmouth. edu
application distribution deploy apps onto millions of phones at the blink of an eye collect huge amount of data for research purposes Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support we want to push intelligence to the phone Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support preserve the phone user experience (battery lifetime, ability to make calls, etc. ) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support - sensing - run machine learning algorithms locally (feature extraction + inference) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support run machine learning algorithms (learning) - sensing - run machine learning algorithms locally (feature extraction + inference) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support run machine learning algorithms (learning) store and crunch big data (fusion) - sensing - run machine learning algorithms locally (feature extraction + inference) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support run machine learning algorithms (learning) 3 to 5 years from now our phones will be as powerful as a Emiliano Miluzzo store and crunch big data (fusion) - sensing - run machine learning algorithms locally (feature extraction + inference) miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support run machine learning algorithms (learning) 3 to 5 years from now our phones will be as powerful as a Emiliano Miluzzo store and crunch big data (fusion) - sensing - run machine learning algorithms locally (feature extraction + inference) miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support run machine learning algorithms (learning) 3 to 5 years from now our phones will be as powerful as a Emiliano Miluzzo store and crunch big data (fusion) - sensing - run machine learning algorithms locally (feature extraction + inference) miluzzo@cs. dartmouth. edu
cloud infrastructure cloud - backend support run machine learning algorithms (learning) 3 to 5 years from now our phones will be as powerful as a Emiliano Miluzzo store and crunch big data (fusion) - Sensing - run machine learning algorithms locally (feature extraction + learning + inference) miluzzo@cs. dartmouth. edu
sensing programmability cloud infrastructure Emiliano Miluzzo miluzzo@cs. dartmouth. edu
sensing programmability ? ? cloud infrastructure Emiliano Miluzzo miluzzo@cs. dartmouth. edu
societal scale sensing reality mining using mobile phones will play a big role in the future Emiliano Miluzzo global mobile sensor network miluzzo@cs. dartmouth. edu
end of PR – now darwin Emiliano Miluzzo miluzzo@cs. dartmouth. edu
a small building block towards the big vision Emiliano Miluzzo miluzzo@cs. dartmouth. edu
from motes to mobile phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
from motes to mobile phones evolution of sensing and inference on mobile phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
from motes to mobile phones evolution of sensing and inference on mobile phones - classification model evolution darwin - classification model pooling - collaborative inference Emiliano Miluzzo miluzzo@cs. dartmouth. edu
sensing microphone camera GPS/Wi. Fi/ cellular air quality pollution darwin - classification model evolution - classification model pooling - collaborative inference apps social context audio / pollution / RF fingerprinting image / video manipulation darwin applies distributed computing and collaborative inference concepts to mobile sensing systems Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? mobile phone sensing today Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? train classification model X in the lab Emiliano Miluzzo mobile phone sensing today miluzzo@cs. dartmouth. edu
why darwin? train classification model X in the lab Emiliano Miluzzo mobile phone sensing today deploy classifier X miluzzo@cs. dartmouth. edu
why darwin? train classification model X in the lab mobile phone sensing today deploy classifier X train classification model X’ in the lab Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? mobile phone sensing today train classification model X in the lab deploy classifier X train classification model X’ in the lab deploy classifier X’ Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? mobile phone sensing today train classification model X in the lab deploy classifier X a fully supervised approach doesn’t scale! train classification model X’ in the lab deploy classifier X’ Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? a same classifier does not scale to multiple environments (e. g. , quiet and noisy env) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? a same classifier does not scale to multiple environments (e. g. , quiet and noisy env) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? a same classifier does not scale to multiple environments (e. g. , quiet and noisy env) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? a same classifier does not scale to multiple environments (e. g. , quiet and noisy env) darwin creates new classification models transparently from the user (classification model evolution) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? ability for an application to rapidly scale to many devices Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? darwin re-uses classification models when possible ability for an application to (classification model pooling) rapidly scale to many devices Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? leverage the large ensemble of in-situ resources Emiliano Miluzzo miluzzo@cs. dartmouth. edu
why darwin? darwin exploits spatial diversity and co-operate to alleviate the leverage the large “sensing context” problem ensemble ofinference) in-situ (collaborative resources Emiliano Miluzzo miluzzo@cs. dartmouth. edu
darwin design Emiliano Miluzzo miluzzo@cs. dartmouth. edu
speaker recognition (subject to audio noise, sensing context, etc. ) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
darwin phases Emiliano Miluzzo miluzzo@cs. dartmouth. edu
darwin phases supervised Emiliano Miluzzo initial training (derive model seed) miluzzo@cs. dartmouth. edu
darwin phases supervised initial training (derive model seed) unsupervise classification model evolution d Emiliano Miluzzo miluzzo@cs. dartmouth. edu
darwin phases supervised initial training (derive model seed) unsupervise classification model evolution d classification model pooling Emiliano Miluzzo miluzzo@cs. dartmouth. edu
darwin phases supervised initial training (derive model seed) unsupervise classification model evolution d classification model pooling collaborative inference Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model training sensed event Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model training filtering (silence suppression + voicing) sensed event Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model training filtering (silence suppression + voicing) feature extraction (MFCC) sensed event Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model training send MFCC to backend to train the model backend send model + baseline back to phone filtering (silence suppression + voicing) model feature extraction (MFCC) model training (GMM) baseline sensed event Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model training backend phone: feature extraction (low computation) Emiliano Miluzzo backend: model training (high computation) miluzzo@cs. dartmouth. edu
classification model evolution phone: determines when to evolve Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model evolution trainin g phone: determines when to evolve Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model evolution trainin g sample d phone: determines when to evolve Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model evolution match ? phone: determines when to evolve Emiliano Miluzzo YE S do not evolve miluzzo@cs. dartmouth. edu
classification model evolution match? phone: determines when to evolve Emiliano Miluzzo NO evolve (train new model using backend as before) miluzzo@cs. dartmouth. edu
classification model evolution training new speaker voice model Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model evolution training new speaker voice model Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model evolution training new speaker voice Emiliano Miluzzo model miluzzo@cs. dartmouth. edu
classification model pooling Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone B Phone A Speaker A’s model Speaker B’s model Speaker C’s model Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone A Speaker A’s model we have two options Phone B 1. train a new classifier for each Speaker B’s speaker (costly for power, inference model delay) Speaker C’s model Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone A Speaker A’s model we have two options Phone B 1. train a new classifier for each Speaker B’s speaker (costly for power, inference model delay) 2. re-use already available classifiers Speaker C’s model Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone A Speaker A’s model we have two options Phone B 1. train a new classifier for each Speaker B’s speaker (costly for power, inference model delay) 2. re-use already available classifiers Speaker C’s model Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone B Phone A Speaker A’s model Speaker B’s model Speaker C’s model Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone B Phone A Speaker A’s model Speaker B’s model Speaker C’s model Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone B Phone A Speaker A’s model Speaker B’s model Speaker C’s Speaker B’s model Speaker A’s model Speaker C’s model Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
classification model pooling Phone B Phone A Speaker A’s model Speaker B’s model Speaker C’s Speaker B’s model Speaker A’s model Speaker C’s model Speaker A’s model Speaker B’s model Emiliano Miluzzo Phone C miluzzo@cs. dartmouth. edu
classification model pooling Phone B Phone A Speaker A’s model Speaker B’s model Speaker C’s ready to run the collaborative inference algorithm - local inference first - final inference later model Speaker C’s model Speaker A’s model Speaker B’s model Emiliano Miluzzo Speaker B’s model Speaker A’s model Speaker C’s model Phone C miluzzo@cs. dartmouth. edu
collaborative inference two phases Emiliano Miluzzo miluzzo@cs. dartmouth. edu
collaborative inference two phases 1. local inference (running independently in parallel on each mobile phone) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
collaborative inference two phases 1. local inference (running independently in parallel on each mobile phone) 2. final inference (after collecting Local Inference results, to get better confidence about the final classification result) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) Phone A Phone B Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) speaker A speaking!!! Phone A Phone B Phone C Emiliano Miluzzo miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) speaker A speaking!!! Phone A Phone B B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = Phone C miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) speaker A speaking!!! Phone A Phone B B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = Phone C miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) speaker A speaking!!! Phone A Phone B B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = Phone C miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) speaker A speaking!!! Phone A Phone B B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = Phone C miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) speaker A speaking!!! Phone A Phone B B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = Phone C miluzzo@cs. dartmouth. edu
collaborative inference local inference (LI) A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo speaker A speaking!!! Phone A Phone B individual classification can be misleading! C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 Phone C miluzzo@cs. dartmouth. edu
collaborative inference final inference (FI) each phone gathers LI results Phone A Phone B B’s LI results A’s LI results C’s LI results Emiliano Miluzzo Phone C miluzzo@cs. dartmouth. edu
collaborative inference final inference (FI) A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo on each phone B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = 0. 03 miluzzo@cs. dartmouth. edu
collaborative inference final inference (FI) A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 Emiliano Miluzzo on each phone x x x B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 x x x C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = 0. 03 miluzzo@cs. dartmouth. edu
collaborative inference final inference (FI) on each phone A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 x x x B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 = x x x C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = 0. 03 FI results (normalized): Confidence (A speaking) = 1 Emiliano Miluzzo Confidence (B speaking) = 0. 12 Confidence (C speaking) = 0. 002 miluzzo@cs. dartmouth. edu
collaborative inference final inference (FI) on each phone A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 x x x B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 = x x x C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = 0. 03 FI results (normalized): Confidence (A speaking) = 1 Emiliano Miluzzo Confidence (B speaking) = 0. 12 Confidence (C speaking) = 0. 002 miluzzo@cs. dartmouth. edu
collaborative inference final inference (FI) on each phone A’s LI results: Prob(A speaking) = 0. 65 Prob(B speaking) = 0. 25 Prob(C speaking) = 0. 10 B’s LI results: Prob(A speaking) = 0. 79 Prob(B speaking) = 0. 11 Prob(C speaking) = 0. 10 C’s LI results: Prob(A speaking) = 0. 30 Prob(B speaking) = 0. 67 Prob(C speaking) = 0. 03 x x collaborative inference x x compensates the inaccuracies x x of individual inferences = FI results (normalized): Confidence (A speaking) = 1 Emiliano Miluzzo Confidence (B speaking) = 0. 12 Confidence (C speaking) = 0. 002 miluzzo@cs. dartmouth. edu
evaluation Emiliano Miluzzo miluzzo@cs. dartmouth. edu
evaluation C/C++ & implemented on Nokia N 97 and i. Phone in support of a speaker recognition app Emiliano Miluzzo miluzzo@cs. dartmouth. edu
evaluation C/C++ & implemented on Nokia N 97 and i. Phone in support of a speaker recognition app unix server Emiliano Miluzzo miluzzo@cs. dartmouth. edu
evaluation C/C++ & implemented on Nokia N 97 and i. Phone in support of a speaker recognition app lightweight reliable protocol to transfer models from the server and between phones unix server Emiliano Miluzzo miluzzo@cs. dartmouth. edu
evaluation C/C++ & implemented on Nokia N 97 and i. Phone in support of a speaker recognition app UDP multicast protocol to distribute local inference results between phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
experimental scenarios up to eight people in conversation in three different scenarios (quiet indoor, down the street, in a restaurant) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
some numerical results Emiliano Miluzzo miluzzo@cs. dartmouth. edu
need for evolution train indoor, evaluate outdoor Emiliano Miluzzo miluzzo@cs. dartmouth. edu
need for evolution accuracy Emiliano Miluzzo accuracy improvement after evolution miluzzo@cs. dartmouth. edu
indoor quiet scenario Emiliano Miluzzo 8 people talking around a table miluzzo@cs. dartmouth. edu
indoor quiet scenario Emiliano Miluzzo 8 people talking around a table miluzzo@cs. dartmouth. edu
indoor quiet scenario Emiliano Miluzzo 8 people talking around a table miluzzo@cs. dartmouth. edu
indoor quiet scenario Emiliano Miluzzo 8 people talking around a table miluzzo@cs. dartmouth. edu
indoor quiet scenario Emiliano Miluzzo 8 people talking around a table miluzzo@cs. dartmouth. edu
indoor quiet scenario Emiliano Miluzzo 8 people talking around a table miluzzo@cs. dartmouth. edu
indoor quiet scenario collaborative inference + classification model evolution boost the performance of a mobile sensing app Emiliano Miluzzo 8 people talking around a table miluzzo@cs. dartmouth. edu
impact of the number of mobile phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
impact of the number of mobile phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
impact of the number of mobile phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
impact of the number of mobile phones Emiliano Miluzzo miluzzo@cs. dartmouth. edu
impact of the number of mobile phones the larger the number of mobile phones collaborating, the better the final inference result Emiliano Miluzzo miluzzo@cs. dartmouth. edu
battery lifetime Vs inference responsiveness Emiliano Miluzzo miluzzo@cs. dartmouth. edu
battery lifetime Vs inference responsiveness Emiliano Miluzzo miluzzo@cs. dartmouth. edu
battery lifetime Vs inference responsiveness high responsiveness Emiliano Miluzzo miluzzo@cs. dartmouth. edu
battery lifetime Vs inference responsiveness short battery life Emiliano Miluzzo miluzzo@cs. dartmouth. edu
battery lifetime Vs inference responsiveness longer battery duration Emiliano Miluzzo miluzzo@cs. dartmouth. edu
battery lifetime Vs inference responsiveness low responsiveness Emiliano Miluzzo miluzzo@cs. dartmouth. edu
battery lifetime Vs inference responsiveness smart duty-cycling techniques and machine learning algorithms with better performance in terms of energy usage on mobile phones need to be identified Emiliano Miluzzo miluzzo@cs. dartmouth. edu
a quick recap smartphone’s are everywhere, let’s exploit their collective sensing and computation capabilities Emiliano Miluzzo miluzzo@cs. dartmouth. edu
a quick recap smartphone’s are everywhere – let’s exploit their collective sensing and computation capabilities smartphone sensing opens up new frontiers: applications can be spread and big data collected at unprecedented scale enabling endless research opportunities Emiliano Miluzzo miluzzo@cs. dartmouth. edu
a quick recap smartphone’s are everywhere – let’s exploit their collective sensing and computation capabilities smartphone sensing opens up new frontiers: applications can be spread and big data collected at unprecedented scale enabling endless research opportunities continuous sensing is still challenging; efficient mobile sensing requires to preserve the phone user experience (need for energy efficient ML algorithms and smart duty-cycling techniques) Emiliano Miluzzo miluzzo@cs. dartmouth. edu
a quick recap smartphone’s are everywhere – let’s exploit their collective sensing and computation capabilities smartphone sensing opens up new frontiers: applications can be spread and big data collected at unprecedented scale enabling continuous sensing is still challenging; endless research opportunities efficient mobile sensing requires to preserve the phone user experience (need for energy efficient ML algorithms and smart duty-cycling techniques) Emiliano Miluzzo ML algorithms should perform reliably in the wild miluzzo@cs. dartmouth. edu
a quick recap smartphone’s are everywhere – let’s exploit their collective sensing and computation capabilities smartphone sensing opens up new frontiers: applications can be spread and big data collected at unprecedented scale enabling continuous sensing is still challenging; endless research opportunities efficient mobile sensing requires to preserve the phone user experience (need for energy efficient ML algorithms and smart duty-cycling techniques) ok I think I’m done… ML algorithms should perform reliably in the wild Emiliano Miluzzo miluzzo@cs. dartmouth. edu
a quick recap smartphone’s are everywhere – let’s exploit their collective sensing and computation capabilities smartphone sensing opens up new frontiers: applications can be spread and big data collected at unprecedented scale enabling continuous sensing is still challenging; endless research opportunities efficient mobile sensing requires to preserve the phone user experience (need for energy efficient ML algorithms and smart duty-cycling techniques) but please bear in mind… ML algorithms should perform reliably in the wild Emiliano Miluzzo miluzzo@cs. dartmouth. edu
Mobile Phone Sensing is the Next Big Thing! Emiliano Miluzzo miluzzo@cs. dartmouth. edu
Thank you!! Mobile Sensing Group http: //sensorlab. cs. dartmouth. edu Emiliano Miluzzo miluzzo@cs. dartmouth. edu
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