METHOD FOR DISPLAYING AN IMAGE ON A DISPLAY
A method for displaying an image on a display of a video conferencing apparatus, including: providing, at the display of the video conferencing apparatus, a primary image; providing, at the video conferencing apparatus, an observation angle of a viewer with respect to the display; modifying, at the video conferencing apparatus, the primary image by applying a scaling factor that is a function of the observation angle to the primary image, resulting in a modified image; and displaying the modified image on the display and the primary image on the display, wherein the modified image and the primary image are displayed in different viewing directions on a same display area of the display.
1 . A method for displaying an image on a display of a video conferencing apparatus, comprising:
providing, at the display of the video conferencing apparatus, a primary image;
providing, at the video conferencing apparatus, an observation angle of a viewer with respect to said display;
modifying, at the video conferencing apparatus, the primary image by applying a scaling factor that is a function of said observation angle to said primary image, resulting in a modified image; and
displaying said modified image on said display and said primary image on said display, wherein said modified image and said primary image are displayed in different viewing directions on a same display area of the display.
2 . The method according to claim 1 , wherein
said step of providing said observation angle includes providing a predetermined angle value.
3 . The method according to claim 1 , wherein
said step of providing said observation angle comprises determining a value of an angle between:
a direction between said viewer's position and a point of said display and a direction perpendicular to said display.
4 . The method according to claim 1 , wherein
said observation angle is in a horizontal plane, and
said modifying step includes horizontally scaling said primary image by applying the scaling factor.
5 . The method according to claim 4 , wherein
said horizontally scaling includes horizontally extending said primary image with the scaling factor which is larger for higher observation angles than for smaller observation angles.
6 . The method according to claim 5 , wherein
said scaling factor is substantially in inverse proportional to a cosine function of said observation angle.
7 . The method according to claim 1 , wherein
said display is an integrated multi-view display.
8 . The method according to claim 1 , wherein
said display is a multi-view projection screen illuminated by a plurality of projectors.
9 . The method according to claim 1 , wherein
said primary image and said modified image are included in video signals.
10 . The method according to claim 1 , wherein
the providing the observation angle includes using a video conference camera to obtain the observation angle of the viewer.
11 . A video conferencing system, comprising:
a video conferencing endpoint configured to receive a primary image;
a processing device configured to determine an observation angle of a viewer with respect to said display,
said processing device being configured to modify the primary image by applying a scaling factor that is a function of said observation angle to said primary image, resulting in a modified image; and
display device configured to display said modified image and said primary image, wherein said modified image and said primary image are displayed in different viewing directions on a same display area of the display.
12 . A computer readable storage medium encoded with instruction, which when executed by a video conference apparatus, causes the video conferencing apparatus to implement a method for displaying an image on a display, comprising
providing, at the display of the video conferencing device, a primary image;
providing, at the video conferencing device, an observation angle of a viewer with respect to said display;
modifying, at the video conferencing device, the primary image by applying a scaling factor that is a function of said observation angle to said primary image, resulting in a modified image; and
displaying said modified image on said display and said primary image on said display, wherein said modified image and said primary image are displayed in different viewing directions on a same display area of the display.
13 . The computer readable storage medium according to claim 12 , wherein
said step of providing said observation angle includes providing a predetermined angle value.
14 . The computer readable storage medium according to claim 12 , wherein
said step of providing said observation angle comprises determining a value of an angle between:
a direction between said viewer's position and a point of said display and a direction perpendicular to said display.
15 . The computer readable storage medium according to claim 12 , wherein
said observation angle is in a horizontal plane, and
said modifying step includes horizontally scaling said primary image by applying the scaling factor.
16 . The computer readable storage medium according to claim 15 , wherein
said horizontally scaling includes horizontally extending said primary image with the scaling factor which is larger for higher observation angles than for smaller observation angles.
17 . The computer readable storage medium according to claim 16 , wherein
said scaling factor is substantially in inverse proportional to a cosine function of said observation angle.
18 . The computer readable storage medium according to claim 12 , wherein
said display is an integrated multi-view display.
19 . The computer readable storage medium according to claim 12 , wherein
said display is a multi-view projection screen illuminated by a plurality of projectors.
20 . The computer readable storage medium according to claim 12 , wherein
the providing the observation angle includes using a video conference camera to obtain the observation angle of the viewer.