| ??? 04/07/05 04:54 Read: times |
#91150 - re:camera+fisheye or camera+reflective Responding to: ???'s previous message |
Frieder,
you didn't give many details about your project (homogenity of background, light intensity, tracking speed, tracking accuracy, size of tracked light source, cost ...) - so answering now implies guessing for your needs. Yes,you say true but i don't know myself which approach is the best! tracking speed,tracking accuracy is not defined by company yet. but i am sure size of tracked light source is not important never and the project wants tracking sun to saving energy of sun Have you considered using an extreme fish-eye lens on a USB camera? (They are very expensive but you can get 2 pi lenses). Also you could try looking with an USB camera onto a metalized ball or cone and locate the reflex of your light source. This is a "no moving parts" solution. you have answerd yourself to this part I wanted to use ldr and ir sensors therefore, the price of sensor is important at least for me You can have a solution with movement around a single axis as well: use a clever combination of a linear sensor and one of those rotating light devices you'll find on some police cars Greetings clever combination,it is my question,what is clever combination? i guess this is like as my second way but A flat bed of sensors rotating around a single axis instead of a sensor and 2 axis if my guess be true it is a very very good idea and i think i have 3 ways now Thanks And Regards Mehdi |
| Topic | Author | Date |
| Finding light source position? | 01/01/70 00:00 | |
| Two sensors ? | 01/01/70 00:00 | |
| Re:two sensors? | 01/01/70 00:00 | |
| and... | 01/01/70 00:00 | |
| re:and.. | 01/01/70 00:00 | |
| Sun tracking thread by Mahmood | 01/01/70 00:00 | |
| Re:Sun tracking thread by Mahmood | 01/01/70 00:00 | |
| TOTALLY AGREE | 01/01/70 00:00 | |
| Michael Karas | 01/01/70 00:00 | |
| Kai ,It is not my problem! | 01/01/70 00:00 | |
| cloud cover | 01/01/70 00:00 | |
| Finding or following a light | 01/01/70 00:00 | |
| To Joseph | 01/01/70 00:00 | |
| Super-sensing T.Rex | 01/01/70 00:00 | |
| Salom, Y'all! | 01/01/70 00:00 | |
| LDR or l/f | 01/01/70 00:00 | |
| Re:LDR or l/f | 01/01/70 00:00 | |
| Light source | 01/01/70 00:00 | |
| Re:Light source | 01/01/70 00:00 | |
| Mechanics | 01/01/70 00:00 | |
| re:Mechanics | 01/01/70 00:00 | |
| Nope | 01/01/70 00:00 | |
| re:Nope | 01/01/70 00:00 | |
| More | 01/01/70 00:00 | |
| re:more | 01/01/70 00:00 | |
| camera+fisheye or camera+reflective ball | 01/01/70 00:00 | |
| re:camera+fisheye or camera+reflective | 01/01/70 00:00 | |
Thanks steve,... | 01/01/70 00:00 |