TASK 2   Web based image retrieval                                                                            

Processing times

Information provided by the participants

 

Run

Ptocessing times

Computers characteristics

Run 1

Indexing / Features extraction:  ~ 15-20 min for the whole corpus. An additional cost of 5 min for indexing features. Total ~25 min

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) : 20 sec for all the queries

Global processing : ~25 min

(1) Pentium4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

Run 2

Indexing / Features extraction:  ~ 15-20 min for the whole corpus. An additional cost of 5 min for indexing features. Total ~25 min

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) : 20 sec for all the queries

Global processing : ~25 min

(1) Pentium4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

Run 3

Indexing / Features extraction:  ~ 15-20 min for the whole corpus. An additional cost of 5 min for indexing features. Total ~25 min

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) : 35 sec for all the queries

Global processing : ~25 min

(1) Pentium4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

Run 4

Indexing / Features extraction :  ~  15-20 min for the whole corpus

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) :10 sec for all the queries, (computing image similarities)

Global processing : ~20 min

Extra time : Conversion Data 5 min

(1) Pentium4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

Run 5

Indexing / Features extraction : 3 min to index the total collection of text

Research / Classification (creation of the results) :1 sec for  all the queries

Global processing : ~ 3 min

Pentium4,  2.53Ghz, 628 Mo

Run 6

Indexing / Features extraction :  ~ 15-20 min for the whole corpus

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) :10 sec for all the queries, (computing image similarities)

Global processing : ~20 min

Extra time : Conversion Data 5 min

(1) Pentium4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

Run 7

Indexing / Features extraction :  visual extraction and indexing : 869 secondes for  5153 images ; textual extraction : 20 secondes (Note : some images were not processed (giff/tiff))

Bi-Xéon, 3GHz, 4 Go

Run 8

Features extraction : 1750 s

Retrieval : 2.5 second/query

Pentium4, 2,4 GHz, 512 Mo

Run 9

Indexing / Features extraction : textual extraction : 20 secondes

Bi-Xéon, 3GHz, 4 Go

Run 10

Indexing / Features extraction : 3h30 (downloading time included)

Research / Classification (creation of the results) : ~12.5 min

Intel Celeron, 2,4 Ghz, 1Go

Run 11

Indexing / Features extraction : 3h30 (downloading time included)

Research / Classification (creation of the results) : ~12.5 min

Intel Celeron, 2,4 Ghz, 1Go

Run 12

Indexing / Features extraction : 3h30 (downloading time included)

Research / Classification (creation of the results) : ~12.5 min

Intel Celeron, 2,4 Ghz, 1Go

Run 13

Indexing / Features extraction : 3h30 (downloading time included)

Research / Classification (creation of the results) : ~21.5 min

Intel Celeron, 2,4 Ghz, 1Go

Run 14

Indexing / Features extraction : 3h30 (downloading time included)

Research / Classification (creation of the results) : ~21.5 min

Intel Celeron, 2,4 Ghz, 1Go

Run 15

Indexing / Features extraction : 3h30 (downloading time included)

Research / Classification (creation of the results) : ~21.5 min

Intel Celeron, 2,4 Ghz, 1Go

Run 16

Features extraction : 550 s     Retrieval : 0.75 second/query

Pentium4, 2,4 GHz, 512 Mo

Run 17

Indexing / Features extraction : visual extraction and indexing : 869 seconds for  5153 images

Note : some images were not processed (giff/tiff)

Bi-Xéon, 3GHz, 4 Go

Run 18

Features extraction : 1200 s   Retrieval : 1.5 second/query

P4entium, 2,4 GHz, 512 Mo

Run 19

Features extraction : 1200 s   Retrieval : 1.5 second/query

Pentium4, 2,4 GHz, 512 Mo

Run 20

Indexing / Features extraction:  ~ 15-20 min for the whole corpus. An additional cost of 5 min for indexing features. Total ~25 min

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) : 35 sec for all the queries

Global processing : ~25 min

(1) Pentium4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

Run 21

Indexing / Features extraction: ~ 15-20 min for the whole corpus. An additional cost of 5 min for indexing features. Total ~25 min

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) : 20 sec for all the queries

Global processing : ~25 min

(1) Pentium4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

Run 22

Indexing / Features extraction :  ~ 15-20 min for the whole corpus

Learning : shared across different methods, but can be negligible compared to feature extraction

Research / Classification (creation of the results) :10 sec for all the queries (computing image similarities)

Global processing : ~20 min

Extra time: Conversion Data :  5 min

(1) P4,  2.53Ghz, 628 Mo

(2) Sun V40z, quadric Opteron, 2.5Ghz, 8Go

 

MAP + Retrieval (second/query) log10 scale


MAP + Indexing / “Features extraction"

NB : run 10, 11, 12, 13, 14, 15 downloading time included