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Results tagged with image-sensor
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user 35526
A semiconductor device which when placed behind a lens and has an image formed on it's surface spatially and temporally samples the charge generated from the incident light. These samples form an internal representation of the incident light. Types of image sensors that are common are CCDs, CIS (Contact Image sensors), APS (Active Pixel devices) and CIS (CMOS Image Sensors)
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Understanding optical parameters of image sensors
I noticed that image sensor manufacturers provide some optical characteristics in different formats. I wish to know how to interpret that information.
Sensitivity is characterized in \$\dfrac{V}{lx …
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Noise at 2^n transitions
I am sampling a video signal from a linear imager. I noticed when the illumination is just at the intensity when the ADC increases by another MSB bit at the output, the noise occurs. That is, when ADC …
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Image Sensor sensitivity
I am not sure what really the term "sensitivity" means when characterizing image sensors, so I will describe what I am looking for in the sensor at the following conditions:
the exposure time is ver …
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How do they read out HD, high frame rate CCD image sensors
Having little experience with CCD image sensors, I have learned that reading pixels via shift registers from a relatively large size CCD must be fast to achieve some reasonable frame rate. Let's say, …
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Raw RGB from CMOS image sensor to grayscale conversion
I am trying to produce an image with OV7740 color image sensor. As far as I know, the sensor is configured by default to provide 10bit parallel RAW RGB data (due to an on-chip Bayer filter). How shoul …
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Select internal/external DVDD source for OV5640
How to select between internal or external source for the DVDD digital core in OV5640. Do I simply provide voltage to the DVDD pins and if it is more than 1.5V it will automatically use internal LDO t …
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Image sensor resolution
I am not sure how to ask this question. Hopefully, I will edit it to make better sense as we go.
I have an image with 10 μm wide black and white stripes and I project it onto the imager, with 1000 pi …
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