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thermalsensors [2020/11/07 21:07] wf68spef |
thermalsensors [2021/01/15 16:44] wf68spef |
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| ====== Thermal sensors ====== | ====== Thermal sensors ====== | ||
| + | |||
| + | ===== Comparison of cameras ===== | ||
| + | |||
| + | https://github.com/OpenHD/Open.HD/wiki/Thermal-Cameras | ||
| ===== Talk with acalbi sales engineer ===== | ===== Talk with acalbi sales engineer ===== | ||
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| * https://www.thingiverse.com/thing:2581533 | * https://www.thingiverse.com/thing:2581533 | ||
| + | |||
| + | ===== HTI ===== | ||
| + | |||
| + | * HT-201 / HT-301 | ||
| + | * 320x240 pixel | ||
| + | * 32° Opening angle | ||
| + | * https://www.amazon.de/Thermal-Infrarot-W%C3%A4rmebildkamera-Mobiltelefone-Aufl%C3%B6sung/dp/B07Y4PJF2S/ref=sr_1_1?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=ht-201+thermal&qid=1607201370&sr=8-1 | ||
| ===== Seek compact ===== | ===== Seek compact ===== | ||
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| Its visible, that thin plastics are a option. The actual thinnest one doesnt protect at all, its too thin. But maybe we can find some cheap fitting material, or we use the professional thermal plastics. | Its visible, that thin plastics are a option. The actual thinnest one doesnt protect at all, its too thin. But maybe we can find some cheap fitting material, or we use the professional thermal plastics. | ||
| + | |||
| + | |||
| + | ===== Calibration ===== | ||
| + | |||
| + | * Images of water are more cold at center than edges | ||
| + | * Due to vignetting | ||
| + | * https://en.wikipedia.org/wiki/Vignetting | ||
| + | |||
| + | |||
| + | * Flat field calibration | ||
| + | * Build avg frame over multiple frames and save flat_field_calib | ||
| + | * frame_corrected = frame_raw - flat_field_calib | ||
| + | * Implementation https://github.com/OpenThermal/libseek-thermal/blob/master/src/SeekCam.cpp#L101 | ||
| + | |||
| + | |||
| + | ====== Low Light cameras ====== | ||
| + | |||
| + | === Comparison === | ||
| + | |||
| + | https://www.youtube.com/watch?v=gApIqh5bfJ4 | ||
| + | |||
| + | https://www.eevblog.com/forum/projects/a-little-help-finding-a-board-camera-sc1020/ | ||
| + | |||
| + | |||
| + | === Cameras === | ||
| + | |||
| + | https://shop.runcam.com/runcam-night-eagle-2-pro/ | ||
| + | |||
| + | https://hackaday.com/2020/11/12/highly-sensitive-camera-makes-a-great-night-vision-scope/ | ||
| + | |||
| + | http://www.watec-shop.com/en/products/monochrome-cameras.html | ||
| + | |||
| + | |||
| + | |||
| + | |||
| + | === Nighteagle aka === | ||
| + | |||
| + | Chipname | ||
| + | |||
| + | smartsense sc1020 | ||
| + | |||
| + | Flight example | ||
| + | |||
| + | https://www.youtube.com/watch?v=5Rqgn0WI1uo 85€ | ||
| + | |||
| + | Grabber card | ||
| + | |||
| + | https://www.linuxtv.org/wiki/index.php/Stk1160_based_USB_2.0_video_and_audio_capture_devices | ||
| + | |||
| + | |||
| + | === IMX291 === | ||
| + | |||
| + | https://de.aliexpress.com/item/32980521726.html?spm=a2g0o.productlist.0.0.115a7b3fx2TiPz&algo_pvid=815302b9-c4ee-449a-a2d8-d25a3da9febd&algo_expid=815302b9-c4ee-449a-a2d8-d25a3da9febd-4&btsid=0b0a187916097021596322688e2621&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_ | ||