The following images are those as they appear after running through
the actual hardware designs (in the simulator). Thus they are fixed point bit exact
representations of the video that would exactly match that of the real hardware in the lab

(This display is not equivalent to the lab display, and compression introduces
some variability, but virtually insignificant for this demonstration)

The views below are the CVF (Common Video Format) outputs of the respective blocks
in the FPGA, as viewed through a homegrown CVF->bitmap tool
Click on any of the links for a view of the respective image

The following test patterns are some of the many patterns capable of being generated in the VideoIn block

Quantized Grayscale mode

left->right

right->left

top->bottom

bottom->top

The following images were created by taking the symbology buffer stored in SDRAM, and overlaying it onto the
incoming CVF image in various modes

Passthru mode:	map
XOR mode:	lighthouse1     lighthouse2     map
ADD mode:	map
NOT mode:	map
OR mode:	map
REPLACE mode:	map

The following images were created by taking an incoming CVF video stream and convolving it
with various experimental filters in various modes

3x3 convolution (homegrown filter coefficients)	before     after     side by side
3x3 convolution with sobel transform coefficients for edge detection	before     after     side by side
5x5 convolution with gaussian low pass coefficients	before     after     side by side

 

The following images were created by taking an incoming CVF video stream and averaging it
to reduce noise. The links are to animated gifs (i.e. movies)

32 frame movie with N=8 and low BER Gaussian noise added

before     after averaging

 

The following images indicate a before and after on several different
decimator configurations

Transparent mode	before	after	side by side
decimate by 2 horizontally and 2 vertically	before	after	side by side
decimate by 2 horizontally and 4 vertically	before	after	side by side
decimate by 4 horizontally and 2 vertically	before	after	side by side
decimate by 4 horizontally and 4 vertically	before	after	side by side

 

The following images indicate a before and after with distortion correction

2D Distortion Correction

before

after

side by side