TASK 1_2       Transformed Images                                                                                            

Processing times

Information provided by the participants

Run

Processing times

Computers characteristics

Run 1

Features extraction : 0,8 s per image

Learning : 89 s for the entire base

Research / Classification (creation of the results) : 88± 66 s per query

For feature extraction : 2 processors i686 Pentium4, 3.06GHz, 1Gb RAM

For reasearch / classification :

4 processors x86_64 Dual Core AMD Opteron 275 (2.2 GHz), 8Gb RAM

Run 2

Features extraction : 0,8 s/image

Learning : 89 s for the entire base

Research / Classification (creation of the results) : 88± 66 s per query

For feature extraction : 2 processors i686 Pentium4, 3.06GHz, 1Gb RAM

For reasearch / classification :

4 processors x86_64 Dual Core AMD Opteron 275 (2.2 GHz), 8Gb RAM

Run 3

Features extraction: 4.12 s / image

Retrieval: 5.600215 s / requête

Pentium4, 3.2 GHz, 2Go, Linux

Run 4

Features extraction: 4.12 s / image

Retrieval: 1.071904 s / requête

Pentium4, 3.2 GHz, 2Go, Linux

Run 5

Features extraction: 4.12 s / image

Retrieval: 2.654080 s / requête

Pentium4, 3.2 GHz, 2Go, Linux

Run 6

Features extraction: 2h

Learning : 25 min     Research : 12 h

Extra time: ~10 min: disk i/o for datafiles passed between the different processing stages

Pentium4, 3.4 GHz, 4Go, Linux

Run 7

Features extraction: 2h

Learning : 25 min    Research : 30 min

Extra time: ~10 min: disk i/o for datafiles passed between the different processing stages

Pentium4, 3.4 GHz, 4Go, Linux

Run 8

Features extraction : 0,8 s / image

Learning : 19 s for the entire base

Research / Classification (creation of the results) : 9 ± 6 s per query

For feature extraction : 2 processors i686 Pentium4, 3.06GHz, 1Gb RAM

For reasearch / classification :

4 processors x86_64 Dual Core AMD Opteron 275 (2.2 GHz), 8Gb RAM

Run 9

Indexing / Features extraction:  2.7 second/ image

Research / Classification (creation of the results) : 8.9 seconds / query

Intel Xeon H.T, 3.0 GHz, 4 Go,

Run 10

Features extraction: 4.12 s / image

Retrieval: 0.264360 s / requête

Pentium4, 3.2 GHz, 2Go, Linux

Run 11

Features extraction : 0,8 s per image

Learning : 19 s for the entire base

Research / Classification (creation of the results) : 9 ± 6 s per query

For feature extraction : 2 processors i686 Pentium4, 3.06GHz, 1Gb RAM

For reasearch / classification :

4 processors x86_64 Dual Core AMD Opteron 275 (2.2 GHz), 8Gb RAM

Run 12

Indexing / features extraction :1.1 Secondes

Comparison between two indexed images : 0.01 milliSecondes

Research for a query over the 2500 indexed images = 0.025 s

Pentium4, 2.8 GHz, 512 Mo, Linux

 

·       MRR + Processing times

Mean Reciprocal Rank + Retrieval time (second/image, log10 scale)


Mean Reciprocal Rank + Features extraction time (second/image)