Questions tagged [sensor-size]
This tag refers to to physical size of a camera's sensor.
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Can I measure the surface area of an object using the ZED 2i camera pixel size?
I am trying to measure the surface area of an object from an image taken by the ZED 2i camera. I have the pixel size information from the datasheet (found here).
Is it possible to accurately determine ...
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Sensor size of Zed 2i stereo camera
I am trying to determine the sensor size in the Zed 2i stereo camera. Based on the datasheet, which can be found here, it looks like each pixel is 2um x 2um and the sensor is 2688 x 1520 pixels. That ...
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Estimating GSD and image footprint : methods based on angle of view or sensor size and image size give different results
I am trying to estimate the footprint and Ground Sampling Distance for aerial footage using specifications of the camera and flying height.
I tried two methods to get there, one based on the camera ...
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How is picture format related to sensor format resolution?
The full resolution of the Samsung S23 is 50MP, the sensor has a 1/1.57" format.
If I take a photo in 9:16 format, the resulting images are only 37MP - so far so good, the full sensor isn't used ...
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How do I determine distance to an object when I know the object's size and the camera's angle of view?
I'm trying to find the distance of an object, where the original size of the object is known. Unfortunately, I cannot seem to find either focal length or sensor size online, but I know that the camera ...
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Benefit of larger photosites
I often read that larger photosites have better SNR performance. However, from further reading and test footage I have seen. It seems that, as many people also rightfully point out, it has more to do ...
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Resolution on smaller vs larger sensors
I was reading this paper which states that
My question is in regards to the first paragraph. I was first imagining, that if I were to try to take the same photo on a smaller sensor as on a large ...
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Are there any advantages of Tetra/Nonapixels in smartphone cameras over bigger pixels?
Newer Samsung smartphones have sensors with absurd pixel counts like 108 Mpx where pixel size is 0.8 micrometers but they are grouped in 3x3 arrays of the same color making them effectively 2.4 ...
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Pixel 6: Any camera app to stack subject and background into the same JPG, so that both appear sharp?
I often take pictures with food as the subject (foreground) and a monument in the background.
Problem: Using a Pixel 6 smartphone, either subject or background is blurry.
Reading How do I keep both ...
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How is the picture (image signal), acquired by the sensor, shown in a display?
Let's consider a CMOS sensor with N number of pixels. For the sake of simplicity, let's consider an hypothetical Black and White sensor. Each pixel catches the energy provided by the input luminance ...
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Does "Field of view" include radial lens distortion?
When manufacturers state the "field of view" of a camera, is that including lens distortion or not? I work a lot with CCTV and dashcam footage which always has barrel distortion. For a given ...
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camera sensor size, crop factor and object "magnification"
I have been reading some things about photography and most make sense, with some exceptions.
About sensor sizes, I was reading this nice article where at some point, scrolling down, it says that with ...
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How to count the amount of pixels an object in a photograph takes up
I have been trying to find out the distance of an of object from an image using this calculator https://www.scantips.com/lights/subjectdistance.html
But I need to know how many pixels long the object ...
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Does small sensor/pixel has an upper limit of dynamic range?
It is from a friend that I heard:
Cellphone cameras, due to their small sensor size, can have at most 11 stops of dynamic range
(I did not ask too much about where that came from or what source is ...
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Could somebody help me understand this paragraph explaining the relationship between noise and sensor size?
According to this article from dpreview, which compared noise between a full-frame camera with a full-frame lens (the D810), the same full-frame camera with an APS-C lens, and an APS-C camera with the ...