tag:blogger.com,1999:blog-7822883683244244182.post7367198527078003902..comments2023-05-08T12:42:54.728+03:00Comments on low tech: In Search of a Better Serial Camera Modulemuxhttp://www.blogger.com/profile/07901500843676691342noreply@blogger.comBlogger39125tag:blogger.com,1999:blog-7822883683244244182.post-65841919541142552222016-07-11T17:41:46.829+02:002016-07-11T17:41:46.829+02:00The only option i know (ti's davinci), support...The only option i know (ti's davinci), supports csi camera sensors. Is this interface the only available option? Do csi camera sensors exist in the market for hobbyists? Thanks a lot!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-82340219540818998462016-07-11T17:38:37.336+02:002016-07-11T17:38:37.336+02:00Video encoding is hd for example h.264. Are there ...Video encoding is hd for example h.264. Are there available socs for the hobbyist, or only companies selling to existing companies? Where can i get info on the available socs?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-33621641984721444442016-06-13T01:55:21.215+02:002016-06-13T01:55:21.215+02:00There are so many ways to do this, it really depen...There are so many ways to do this, it really depends on your application (for example, the video encoding you want) and cost.iabdalkaderhttps://www.blogger.com/profile/07526150314777847403noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-6724410424794558702016-06-12T13:54:52.802+02:002016-06-12T13:54:52.802+02:00Thanks! Can i ask, what sensor and chips do you su...Thanks! Can i ask, what sensor and chips do you suggest for video recording embedded projects? I mean there has got to be a way! You can find chinese spy cams on pens with 5 dollars on ebayAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-91144284566094344462016-06-12T00:32:24.427+02:002016-06-12T00:32:24.427+02:00No, those sensors output raw, RGB or compressed im...No, those sensors output raw, RGB or compressed images, video encoding is typically done on the SoC.iabdalkaderhttps://www.blogger.com/profile/07526150314777847403noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-47798526737442994932016-06-11T20:58:49.818+02:002016-06-11T20:58:49.818+02:00Hello! I have been wanting to get into cameras fo...Hello! I have been wanting to get into cameras for embedded projects but i find it extremely difficult and undocumented... What i found is using SoCs like TI's DaVinci.. Can this camera record video?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-25941120429954179852014-01-10T09:14:10.366+02:002014-01-10T09:14:10.366+02:00yes I will post another update soon :)yes I will post another update soon :)muxhttps://www.blogger.com/profile/07901500843676691342noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-51162171149768540062014-01-10T01:24:49.125+02:002014-01-10T01:24:49.125+02:00Any update? Can't wait... :-)Any update? Can't wait... :-)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-51887070935052404252013-12-09T01:03:45.189+02:002013-12-09T01:03:45.189+02:00Thanks, JPEG is a lossy compression so it's su...Thanks, JPEG is a lossy compression so it's supposed to lose some details for smaller sizes, I'm actually going for a sensor that has both JPEG and raw output, JPEG will be used when sending images, and raw RGB/YUV for processing.muxhttps://www.blogger.com/profile/07901500843676691342noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-13703803985726342152013-12-08T23:18:40.986+02:002013-12-08T23:18:40.986+02:00Just started reading your blog on this, great stuf...Just started reading your blog on this, great stuff. <br /><br />I'm glad you don't have mjpeg capability on that camera, as mjpeg introduces artifacts to every image that make processing very difficult.<br /><br />DaveAnonymoushttps://www.blogger.com/profile/05684038695624082432noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-39070808803983757802013-12-06T23:18:57.368+02:002013-12-06T23:18:57.368+02:00I was looking for a lightweight jpeg encoder mysel...I was looking for a lightweight jpeg encoder myself, something that I could easily port to STM32, the only one I found (jpec) which looks great, only works with grayscale, so please let me know if you find anything, also I'm interested to know how you store the QVGA frame ? do you use multiple DMA buffers and swap them ?muxhttps://www.blogger.com/profile/07901500843676691342noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-49037055688473175992013-12-06T18:56:22.492+02:002013-12-06T18:56:22.492+02:00Hi everybody,
I have configured my ov7670 to work...Hi everybody,<br /><br />I have configured my ov7670 to work with stm32f4. I achive the snapshot images QVGA (320x240).<br />Could enybody tell me how to compress such image to jpg image on the stm32f4 uC ?<br /><br />TedAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-91555380630992679682013-11-15T19:33:51.001+02:002013-11-15T19:33:51.001+02:00 would love to own one of these little things. I ... would love to own one of these little things. I am a novice, but I would like a camera for RC cars and I would also like a camera for a night-vision HUD on glasses....kinda like Google Glass :)Isaiah Condreayhttps://www.blogger.com/profile/12921179412039771349noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-8168263708066516402013-11-13T16:50:55.353+02:002013-11-13T16:50:55.353+02:00That's a great idea, I might do that next revi...That's a great idea, I might do that next revision, thanks :)muxhttps://www.blogger.com/profile/07901500843676691342noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-56862154170108533492013-11-13T16:19:27.485+02:002013-11-13T16:19:27.485+02:00Hey, this project looks awesome. Just an idea if ...Hey, this project looks awesome. Just an idea if you decide to respin the boards, I noticed you have a little room at the top of the board. You could put two white/IR LEDs on either side of the sensor and break the pair out to act as a light.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-73736333413446288202013-11-13T05:25:02.143+02:002013-11-13T05:25:02.143+02:00Hey Michael, yes it has been a few years since the...Hey Michael, yes it has been a few years since the first generation haha :) ...anyway, first, as far as the processing goes, yes I can control the resoultion and framerate, the camera is currently configured for a 120x160 pixels frame (QQVGA) @ 30FPS that's the lowest resoultion, the DCMI can handle more of course (54Mbps) so it could easily read 30FPS, I process the entire frame by converting pixels from RGB565 to HSV and then using a threshold to detect a red color, this way I get 15-16 frames per second, if I skip a byte when a color is detect I get the full 30FPS, maybe there's a better way to do it? <br /><br />Secondly, I would love to sell those on Tindie with your help, and there seems to be some interest in this projects, I also have a few ideas for the camera and would love to hear yours, I will contact you via email later.<br />Thanks.muxhttps://www.blogger.com/profile/07901500843676691342noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-65430960900557575192013-11-13T04:47:09.416+02:002013-11-13T04:47:09.416+02:00I want one...I want one...Salman Sheikhhttps://www.blogger.com/profile/10359512071566687692noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-49009440173240980512013-11-13T04:01:38.175+02:002013-11-13T04:01:38.175+02:00Saw this a few days ago but didn't get a chanc...Saw this a few days ago but didn't get a chance to comment. Saw again in HaD. Nice work!<br /><br />I recall first seeing your Toshiba cam breakout. I did my own based on yours and was all gung ho to do my own budget cam. How many years ago was that? lol<br /><br />Glad you kept at it. The solution looks great. The STM32F4 DCMI caught my attention (maybe because of your blog I forget)<br /><br />Any thought to selling this on Tindie.com? Do a fundraiser on there and see if you can get interest for a couple hundred? Or alternatively, posting your design there and letting someone (me) sell 'em and kick back a part of the proceeds? :)<br /><br />Between DCMI and DMA I would expect that one could do quite a bit with this thing. Can you control the effective resolution of the camera for sake of performance?<br /><br />Just plain color blob detection would easily do 30fps on modest resolution given that a 16MHz ATmega8 was doing multi-object, multi-color blob tracking on the AVRcam years ago.<br /><br />Would love to take a crack at helping with firmware at some point... Mike Shimniokhttps://www.blogger.com/profile/17602015624941667574noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-74577324356288990552013-11-13T02:48:14.571+02:002013-11-13T02:48:14.571+02:00Could be quite good as a smart mocap sensor - thre...Could be quite good as a smart mocap sensor - threshholding and then returning the center of bright dots and their 'roundness' as a serial stream. per frame time.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-56864370188303357432013-11-12T23:57:06.183+02:002013-11-12T23:57:06.183+02:00This is an awesome project. I just wish phone came...This is an awesome project. I just wish phone camera modules had better datasheets so that those removable camera modules from cell phones would be more useful. I"m really interested to see how much progress this thing makes!Eric Hahnhttps://www.blogger.com/profile/09107054143973495153noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-12790500577504266472013-11-12T22:27:15.238+02:002013-11-12T22:27:15.238+02:00Incredibly cool project, I've wondered about h...Incredibly cool project, I've wondered about how to do this sort of stuff but don't have that kind of skill myself.Nikkelitous2https://www.blogger.com/profile/15277337092063260613noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-30489618174497070202013-10-30T02:51:17.189+02:002013-10-30T02:51:17.189+02:00I'm not sure, I guess that depends on the algo...I'm not sure, I guess that depends on the algorithm, I will do some testing anyway and get back to you.muxhttps://www.blogger.com/profile/07901500843676691342noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-33391421211385878332013-10-29T15:43:24.563+02:002013-10-29T15:43:24.563+02:00How many fps would you expect to analyse?How many fps would you expect to analyse?metRo_https://www.blogger.com/profile/13281650845339811266noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-2143435060808928982013-10-06T03:47:40.379+02:002013-10-06T03:47:40.379+02:00This is awesome. I am doing some projects that ne...This is awesome. I am doing some projects that need to look for colored objects (like a red laser dot) and it looks like this is just the thing I was looking for. I am very very interested in it and would be very interested in testing it... or simply buying one if you ever decide to sell them (please?)JockMhttps://www.blogger.com/profile/05241182217620073285noreply@blogger.comtag:blogger.com,1999:blog-7822883683244244182.post-37347122260977476372013-10-04T21:26:19.122+02:002013-10-04T21:26:19.122+02:00I have just one extra camera which I don't min...I have just one extra camera which I don't mind giving away for free :) you'd have to do some testing and/or write some code maybe, but that's not the issue, I'm still having trouble with the sensor, all I have so far is a YUV image which doesn't even look right.. So I may change the sensor if I can't find a complete/working register set soon, when I get it working I will post another update, let me know if you still want one then..muxhttps://www.blogger.com/profile/07901500843676691342noreply@blogger.com