outline of paper how many pixels make an image antonio t orralba
Download
Skip this Video
Download Presentation
Outline of Paper: “How many pixels make an image ?” Antonio T orralba

Loading in 2 Seconds...

play fullscreen
1 / 17

Outline of Paper: “How many pixels make an image ?” Antonio T orralba - PowerPoint PPT Presentation


  • 111 Views
  • Uploaded on

Outline of Paper: “How many pixels make an image ?” Antonio T orralba. Roger S. Gaborski. This presentation is an outline of the paper “How many pixels make an image?” by Antonio Torralba Some material (images, graphs, etc.) taken from original paper .

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Outline of Paper: “How many pixels make an image ?” Antonio T orralba' - mahdis


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
outline of paper how many pixels make an image antonio t orralba

Outline of Paper: “How many pixels make an image?”Antonio Torralba

Roger S. Gaborski

Roger S. Gaborski

slide2
This presentation is an outline of the paper “How many pixels make an image?” by Antonio Torralba
  • Some material (images, graphs, etc.) taken from original paper

Roger S. Gaborski

gist of a scene
Gist of a scene
  • Gist of a scene- scene category and a few objects in the scene
  • What is the minimum resolution needed for scene recognition and object recognition?

Roger S. Gaborski

image database
Image Database
  • http://people.csail.mit.edu/torralba/code/spatialenvelope/
  • Categories:
    • Coast
    • Forest
    • Highway
    • Inside city
    • Mountain
    • Open country
    • Street
    • Tall building

Roger S. Gaborski

sample of partial code
Sample of partial code

img = imread('hous24.jpg');

img = im2double(img);

f = [ 1 1 1 1 1;...

1 4 4 4 1;...

1 4 6 4 1;...

1 4 4 4 1;...

1 1 1 1 1];

f = f/(sum(f(:)));

I256 = img;

I256f = imfilter(I256, f);

I128 = imresize(I256f,.5,'nearest'); %filterimagebeforesubsampling

Roger S. Gaborski

what is this image
What is this image?

Roger S. Gaborski

what is this image1
What is this image?

Roger S. Gaborski

what is this image2
What is this image?

Roger S. Gaborski

slide16
47 x 71 x 3

21 x 31 x 3

Two individuals

Outdoor scene

Roger S. Gaborski

ad