pikkit slides

1. pikkit
Put your best photo forward
Albert Lee Insight Data 2017

2. Instagram is THE social media platform
for image-based marketing

3. Instagram is THE social media platform
for image-based marketing
$6000 ad revenue
per month

4. Two-pronged strategy for scraping data
Scrape by….
USER or TAG

5. … and a lot of feature engineering!

6. # tags
weekday / hour
# followers
… and a lot of feature engineering!

7. contrast
sat.
image
kernels
Linear Regression
day/hour
vector
metadata

8. contrast
sat.
image
kernels
feature
vector
Linear Regression
day/hour
vector
metadata

9. linear regressioncontrast
sat.
image
kernels
feature
vector
likes
Linear Regression too simple at first
day/hour
vector
metadata
R2
score: 0.01
Spearman: 0.02
feature 1
likes

10. linear regressioncontrast
sat.
image
kernels
feature
vector
likes
Linear Regression with feature selection
day/hour
vector
metadata

11. linear regressioncontrast
sat.
image
kernels
feature
vector
likes
Linear Regression with feature selection
day/hour
vector
metadata

12. linear regressioncontrast
sat.
image
kernels
feature
vector
likes
R2
score: 0.75
Spearman: 0.90
...predicts with Spearman corr. of 0.90
day/hour
vector
metadata
feature 1
likes

13. +20%
Projected increase in average number of likes
for Pikkit users

14. Where the 20% boost comes from
Average # likes: 30 Average # likes: 53
pikkit

15. Albert Lee
●
● Physics → Astronomy
● Analyzed spectral
data from millions of
stars in our galaxy
→

20. Image kernels

21. Contrast and “Saturation”
contrast = 0.21
colorfulness = 0.21

22. Colorfulness
‘distance’ from gray