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Could someone here explain what exactly is the baseline of a camera?
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The distance between the lenses in a typical stereo camera (the intra-axial distance) is about the distance between one's eyes (known as the intra-ocular distance) and is about 6.35 cm, though a longer base line (greater inter-camera distance) produces more extreme 3-dimensionality.
The wide multiple baseline stereo (WxBS) is a process of establishing a sufficient number of pixel or region correspondences from two or more images depicting the same scene to estimate the geometric relationship between cameras, which produced these images.
This will reduce the quality of feature matching and hence reduce the total number of successful matches between stereo image pairs.
The first stereo calibration approach is based on multiplying the two transformation matrices between wide- and narrow-angle cameras. Once two cameras are properly calibrated as mentioned in Section 4.1, we then capture stereo image sequences of the checkerboard pattern from two cameras at the same time.
You're apparently dealing with stereo, where the baseline is (at least normally) the distance between the two lenses.
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