The social fact of race has long challenged efforts at readings that seek to distance image from reality, and it has also challenged attempts to analyze visual texts as if they were historical documents of record.
Dappled by fluffy white clouds, it is the kind of sky that tends to show up as a backdrop in paintings of the Madonna and Child, but here offers a sharp contrast to the long-distance image of Dillinger and his friend Red (Jason Clarke), quickly striding toward an enormous, looming prison.
For visualizing the measurement errors, we subtract the observed distance image from the virtual distance image.
b Kinect V2 distance image c depth error for Kinect V2. d RealSense R200 distance image.
Hence, to have more information in the distance image, we compute an accumulated distance image as depicted in the following equation: (4).
In this work, only distance values from 3D data are used, generating a distance image.
Thus, distance image can be generated in linear time without considering any floating point operation.
where n is the number of pixels in each ToF distance image.
With this aim, the distance image g is transformed into a new distance image G with values ranging from 0 to 255, by means of the following transformation: G = 255 g / max g (24).
where ∥.∥ is the euclidean norm, N′ is the number of ToF distance images used, Z is a vector of ToF distance values that can be substituted by the angle corrected vector z ̄ ′′ of each distance image, or by the discrepancy corrected vector Z ∘ of each distance image, each one with dimension n×1, and with j=1,…,P.
