DDRS – Dietary Data Recording System

The Dietary Data Recording System supports the dietary assessment of cancer

patient participants by facilitating collection of more objective measurement

of dietary intake in real time and with moderate cost.

2

Motivation

Inaccuracies from under reporting intake

Cost Reduction(Doubly Labeled

Water)

Inconvenience of remembering food log

Relationshipbetween Diet

and Health

Increase study participants satisfaction!

Address issues with traditional dietary recording systems

DDRS Dataflow

Data FlowMeal Entries

Via Android App

Segmentation Volume Estimation

Data PublicationCoder Interface

NDSR - Nutrition Analysis

Data Collection

DDRS APP

Meal Entries

DDRS - Food Segmentation

Volumetric Analysis

Coder Interface

Brightness down by -100Contrast up by 70

Grayscale

Other Techniques of Segmentation and Volume Estimation

raw image blurred image

blurred image Canny on the blurred image

cvFindContours()

3D Point Cloud

3D Point Cloud

Front View of an example cloud

3D Point Cloud

Top View of another example

Intelligent Trash Can for Smart Home/Restaurants

Data Collection

Data Processing

Data Analytics

Applications

• Kinects• Cheap cameras• Weighing scale

• Image detection• Volumetric

Analysis

• Carbon footprint measurement

• Demographic waste information

• Better Waste Management

• Cost Reduction• Greener planet

Call for Papers - LinuxFest

• What – LinuxFest Northwest 2013

• When – 27-28 April ’13

• Where – Bellingham Technical College, WA

• Presentation proposals due – 15 March ’13

• http://www.linuxfestnorthwest.org/