1. A sign comprising:
(a) a panel;
(b) the panel having a support surface;
(c) a base;
(d) a display;
(e) the display having a mounting surface;
(f) the display having an image surface;
(g) the mounting surface being attached to the support surface;
(h) the base removably connecting the panel to business equipment.
2. The sign of claim 1 wherein the base is removably connecting the panel to the business equipment with a clamp.
3. The sign of claim 1 wherein the business equipment is located near a traffic corridor.
4. The sign of claim 1 further comprising:
(a) the business equipment being located near a traffic corridor;
(b) the base configured to position the panel with the support surface facing the traffic;
(c) the image surface displaying markings thereon for viewing from the traffic corridor.
5. The sign of claim 1 further comprising:
(a) a brace to limit relative motion between the panel and base;
(b) the brace having a first end and a second end;
(c) the first end being attached to the panel;
(d) the second end being attached to the base.
6. The sign of claim 1 wherein:
(a) the support surface is ferromagnetic;
(b) the mounting surface is magnetically attached to the support surface thereby making the display easily attachable and detachable from the support surface.
7. The sign of claim 1 wherein the clamp does not penetrate the business equipment preventing destruction of the business equipment thereby.
8. The sign of claim 1 wherein there is a plurality of panels.
9. The sign of claim 1 further comprising:
(a) a brace to limit relative motion between the panel and base;
(b) there being a plurality of panels;
(c) the brace having a first end and a second end;
(d) the first end being attached to at least one panel;
(e) the second end being attached to the base.
10. The sign of claim 1 wherein the support surface is non-rectangular.
11. A sign comprising:
(a) a panel having a base and a support surface;
(b) a display having a mounting surface and an image surface; and
(c) the mounting surface connecting to the support surface so that the display conforms to the support surface.
12. The sign of claim 11 wherein the mounting surface is a flexible mounting surface.
13. The sign of claim 12 wherein the support surface is non-planar.
14. The sign of claim 12 wherein the mounting surface is a magnetic mounting surface.
15. The sign of claim 12 wherein the display diverges from the support surface.
16. The sign of claim 11 wherein the panel comprises a plurality of support surfaces.
17. The sign of claim 16 wherein the plurality includes one or more non-planar support surfaces.
18. The sign of claim 16 wherein the plurality of support surfaces presents an interrupted combined support surface.
19. The sign of claim 18 wherein the mounting surface is flexible and magnetic, and wherein the mounting surface conforms to the interrupted combined support surface.
20. A sign comprising:
(a) a plurality of panels;
(b) a display;
(c) a base;
(d) a brace to limit relative motion between the panel and base;
(e) the plurality of panels having a support surface;
(f) the support surface being ferromagnetic;
(g) the support surface being non-rectangular;
(h) the display having a mounting surface;
(i) the display having an image surface;
(j) the mounting surface being magnetically attached to the support surface thereby making the display easily attachable and detachable from the support surface;
(k) the base having a clamp;
(l) the base clamping the plurality of panels to business equipment without penetrating the business equipment and preventing destruction of the business equipment thereby;
(m) the business equipment being located near a traffic corridor;
(n) the base being configured to position the plurality of panels with the support surface facing the traffic;
(o) the image surface displaying markings thereon for viewing from the traffic corridor;
(p) the brace having a first end;
(q) the brace having a second end;
(r) the first end being attached to the plurality of panels;
(s) the second end being attached to the base;
(t) the business equipment being an outdoor menu.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A motion estimation unit that generates motion vectors, each of the motion vectors corresponding to a respective segment of a first image, the motion estimation unit comprising:
a first summer that calculates a match error of the motion vector of the respective segment by summation of absolute differences between pixel values of the respective segment and pixel values of a second image;
a second summer that calculates a variance parameter by summation of absolute differences between pixel values of the respective segment and pixel values of the first image; and
an estimator that estimates a motion vector error by comparing the match error with the variance parameter, said motion vector error being used to assess a quality of the motion vector, wherein an expectation value of the motion vector error is proportional to the match error divided by the variance parameter, wherein the expectation value of the motion vector error is approximately \u2157 of the match error divided by the variance parameter.
2. The motion estimation unit of claim 1, wherein the second summer calculates the variance parameter by adding:
absolute differences between pixel values of the respective segment and pixel values of a second segment which corresponds to the respective segment being shifted at least one pixel in a first direction; and
absolute differences between pixel values of the respective segment and pixel values of a third segment which corresponds to the respective segment being shifted at least one pixel in a second direction, the first direction being cross to the second direction.
3. The motion estimation unit of claim 2, wherein the second summer adds absolute differences between pixel values of the respective segment and pixel values of a fourth segment which corresponds to the respective segment being shifted at least one pixel in the first direction and at least one pixel in the second direction.
4. The motion estimation unit of claim 1, characterized in generating the motion vector of the respective segment, the respective segment being a block of pixels.
5. The motion estimation unit of claim 1, characterized in generating the motion vector of the respective segment based on luminance values as pixel values.
6. A method of generating motion vectors, each of the motion vectors corresponding to a respective segment of a first image, the method comprising:
calculating a match error of a motion vector of the respective segment by summation of absolute differences between pixel values of the respective segment and pixel values of a second image;
calculating a variance parameter by summation of absolute differences between pixel values of the respective segment and pixel values of the first image;
estimating a motion vector error by comparing the match error with the variance parameter; and
determining a quality of the motion vector based on the motion vector error, wherein an expectation value of the motion vector error is proportional to the match error divided by the variance parameter, wherein the expectation value of the motion vector error is approximately \u2157 of the match error divided by the variance parameter.
7. The method of claim 6, wherein the variance parameter is calculated by adding:
absolute differences between pixel values of the respective segment and pixel values of a second segment which corresponds to the respective segment being shifted at least one pixel in a first direction; and
absolute differences between pixel values of the respective segment and pixel values of a third segment which corresponds to the respective segment being shifted at least one pixel in a second direction, with the first direction cross to the second direction.
8. The method of claim 7, further comprising:
adding absolute differences between pixel values of the respective segment and pixel values of a fourth segment which corresponds to the respective segment being shifted at least one pixel in the first direction and at least one pixel in the second direction.
9. An image processing apparatus comprising:
a motion estimation unit that generates motion vectors, each of the motion vectors corresponding to a respective segment of a first image, the motion estimation unit comprising:
a first summer that calculates a match error of a motion vector of the respective segment by summation of absolute differences between pixel values of the respective segment and pixel values of a second image; and
a second summer that calculates a variance parameter by summation of absolute differences between pixel values of the respective segment and pixel values of the first image; and
an estimator that estimates a motion vector error by comparing the match error with the variance parameter, said motion vector error being used to assess a quality of the motion vector, wherein an expectation value of the motion vector error is proportional to the match error divided by the variance parameter, wherein the expectation value of the motion vector error is approximately \u2157 of the match error divided by the variance parameter.
10. The image processing apparatus of claim 9, wherein the motion compensated image processing unit reduces noise in the first image.
11. The image processing apparatus of claim 9, wherein the motion compensated image processing unit de-interlaces the first image.
12. The image processing apparatus of claim 9, wherein the motion compensated image processing unit performs an up-conversion.
13. The motion estimation unit of claim 1, wherein the motion vector error is used to detect object edges.
14. The method of claim 8, further comprising:
detecting object edges based on the motion vector error.
15. The motion estimation unit of claim 1, wherein a standard deviation of the motion vector error is approximately 710.
16. The method of claim 6, wherein a standard deviation of the motion vector error is approximately 710.
17. The image processing apparatus of claim 9, wherein a standard deviation of the motion vector error is approximately 710.