i want to analyze an incoming video from a IR-sensitive camera.
i want to extract the parts of the video-signal which are very bright and overlay it onto a normal video-signal!
is that possible with your program?
Most probably you will need 2 ADC boards, one for each camera, and after that a method to combine the results. Or (more experienced member needed) to get the digital signals from both ADC and to use the code for combining the result. I doubt that will be just a matter of software... You are trying to get a surogate of a thermal camera?
Hi, Iam new to ViewPort. I have built the PropCV schematic with camera, ADC and the Propeller (already installed in development board) as shown in page 260.
I have a black-white camera with the composite video. So I connect the center pin of composite video to pin 6 of ADC as shown in the schematic. The outer pin of composite video to ground. I tried the pins connection between ADC and Propeller on page 260, but it didn't work. Then I tried the following pin configuration as Charleyshf said:
Hi Thangngoc,
It looks like the horizontal sync pulses are not detected reliably. Make sure your analog signals don't get corrupted by noise by keeping them as short and ideally shielded. Also, you may need to try different terminating resistors- I used 50-150ohm. Also, your power supply needs to provide good power.
Hanno
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Co-author of the official Propeller Guide- available at Amazon
Developer of ViewPort, the premier visual debugger for the Propeller (read the review here, thread here), 12Blocks, the block-based programming environment (thread here)
and PropScope, the multi-function USB oscilloscope/function generator/logic analyzer
hi Hanno. I have tried different values of resistor from 50-150ohm, it didn't work. However, when I don't use that bypass resistor by disconnecting from the circuit or try the resistor with value of few K-ohm, i could get a better image. Do you have any idea?
Post Edited (thangngoc) : 5/12/2010 9:08:42 PM GMT
Comments
i want to analyze an incoming video from a IR-sensitive camera.
i want to extract the parts of the video-signal which are very bright and overlay it onto a normal video-signal!
is that possible with your program?
Thank you,
propwell
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images-team.ro
I have a black-white camera with the composite video. So I connect the center pin of composite video to pin 6 of ADC as shown in the schematic. The outer pin of composite video to ground. I tried the pins connection between ADC and Propeller on page 260, but it didn't work. Then I tried the following pin configuration as Charleyshf said:
ADC08100 Pins --> Propeller Pins
Pin24(CLK) Pin8(P8)
Pin23 (GROUND)
Pin22 NC
Pin21 NC
Pin20 NC
Pin19 NC
Pin18 VDD(+3VDC)
Pin17 GROUND
Pin16 (D4) Pin4(P4)
Pin15 (D5) Pin5(P5)
Pin14 (D6) Pin6(P6)
Pin13 (D7 MSB) Pin7(P7)
I got the signal from the camera, but it doesn't seem right(look at the attached picture). I have the black and white 12 V camera.
Post Edited (thangngoc) : 5/7/2010 8:24:06 PM GMT
It looks like the horizontal sync pulses are not detected reliably. Make sure your analog signals don't get corrupted by noise by keeping them as short and ideally shielded. Also, you may need to try different terminating resistors- I used 50-150ohm. Also, your power supply needs to provide good power.
Hanno
▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Co-author of the official Propeller Guide- available at Amazon
Developer of ViewPort, the premier visual debugger for the Propeller (read the review here, thread here),
12Blocks, the block-based programming environment (thread here)
and PropScope, the multi-function USB oscilloscope/function generator/logic analyzer
Post Edited (thangngoc) : 5/12/2010 9:08:42 PM GMT