Video processing in modular display system and method
An active receiver card for a display is provided. The active receiver comprises a processor, a first interface, and a second interface. The first interface is configured to receive a broadcast serialized video data stream as input from a video processing system. The active receiver card is configured to be electrically connected to a tile of a display. The active receiver card further comprises a second interface configured to output control signals to a plurality of pixels of the tile of the display. The processor of the active receiver card is configured to extract from the received broadcast serialized video data stream video image data pertaining to the tile of the display, and based thereon, the active receiver card is configured to output the control signals used to control a plurality of pixels of the tile of the display.
1 . A computing device for a display system,
wherein the computing device is configured to broadcast a serialized video data stream to a plurality of active receiver cards, each of the plurality of active receiver cards being electrically connected respectively to a corresponding tile of the display, the display including a plurality of tiles, each of the active receiver cards being respectively configured to output control signals used to control a plurality of pixels of the tile of the display corresponding to said active receiver card,
wherein the serialized video data stream broadcast by the computing device includes in a serialized format video image data pertaining to each of the plurality of tiles of the display.
2 . The computing device according to claim 1 , wherein the computing device is a computer, personal computer, laptop, or a device having a graphical engine incorporated therein.
3 . The computing device according to claim 1 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards as an asymmetrical communication between the computing device and the active receiver card.
4 . The computing device according to claim 1 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards without requiring return communication or without confirmation from the plurality of active receiver cards to the computing device.
5 . The computing device according to claim 1 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards such that the broadcast serialized video data stream includes video image data pertaining to a first of said tiles of the display and not pertaining to at least a second of said tiles of the display and the video image data pertaining to a first of said tiles is received by both a first active receiver card corresponding and electrically connected to the first tile of the display and a second active receiver card corresponding to and electrically connected to the second tile of the display.
6 . The computing device according to claim 1 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards such that the serialized video data stream transmitted downstream from the computing device is transmitted at a higher bandwidth than a bandwidth of data transmitted upstream to the video processor.
7 . The computing device according to claim 1 , wherein the computing device is configured to control a LED display, such that the serialized video data stream broadcast by the computing device includes the video image data pertaining to LEDs of the plurality of tiles of the LED display.
8 . A display system comprising:
the computing device according to claim 1 ;
a displaying including a plurality of tiles; and
a plurality of active receiver cards, each of the plurality of active receiver cards being electrically connected respectively to a corresponding tile of the plurality of tiles of the display, ach of the active receiver cards being respectively configured to output control signals used to control a plurality of pixels of the tile of the display corresponding to said active receiver card.
9 . The display system according to claim 8 , wherein each of the active receiver cards comprise a non-volatile memory that stores at least one (x,y) coordinate of a pixel of the plurality of pixels of the first tile of the display that corresponds to one LED that is mounted on an LED board of the first tile, the at least one (x,y) coordinate corresponding to a particular (x,y) pixel coordinate.
10 . The display system according to claim 8 , wherein each of the active receiver cards comprise a processor configured to determine a coordinate (a,b) out of the serialized video data stream, and compare the determined coordinate (a,b) to the at least one (x,y) coordinate of a pixel of the plurality of pixels.
11 . The display system according to claim 10 , wherein the processor of each of the active receiver cards is configured to extract a corresponding pixel value from the serialized video data stream.
12 . The display system according to claim 11 , wherein the processor of each of the active receiver card is configured to perform at least one mathematical operation on the corresponding pixel value.
13 . The display system according to claim 12 , wherein the processor of the active receiver card is configured to convert an outcome of the at least one mathematical operation to an output of the active receiver card.
14 . The display system according to claim 13 , wherein the processor of the active receiver card is configured to send corresponding signals to a board of the first tile containing one or more LEDs, to light up the LEDs in correspondence with the outcome of the at least one mathematical operation.
15 . A method for displaying video images on a display system comprising a plurality of tiles, each of the tiles of the display system being respectively controlled with an active receiver card that is electrically connected to a tile of the display, the method comprising:
broadcast with a computing device a serialized video data stream to a plurality of active receiver cards, each of the plurality of active receiver cards being electrically connected respectively to a corresponding tile of the display, the display including a plurality of tiles, each of the active receiver cards being respectively configured to output control signals used to control a plurality of pixels of the tile of the display corresponding to said active receiver card,
wherein the serialized video data stream broadcast by the computing device includes in a serialized format video image data pertaining to each of the plurality of tiles of the display.
16 . The method according to claim 15 , wherein the computing device is a computer, personal computer, laptop, or a device having a graphical engine incorporated therein.
17 . The method according to claim 15 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards as an asymmetrical communication between the computing device and the active receiver card.
18 . The method according to claim 15 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards without requiring return communication or without confirmation from the plurality of active receiver cards to the computing device.
19 . The method according to claim 15 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards such that the broadcast serialized video data stream includes video image data pertaining to a first of said tiles of the display and not pertaining to at least a second of said tiles of the display and the video image data pertaining to a first of said tiles is received by both a first active receiver card corresponding and electrically connected to the first tile of the display and a second active receiver card corresponding to and electrically connected to the second tile of the display.
20 . The method according to claim 15 , wherein the computing device broadcasts the serialized video data stream to the plurality of active receiver cards such that the serialized video data stream transmitted downstream from the computing device is transmitted at a higher bandwidth than a bandwidth of data transmitted upstream to the video processor.
21 . The method according to claim 15 , wherein the computing device is configured to control a LED display, such that the serialized video data stream broadcast by the computing device includes the video image data pertaining to LEDs of the plurality of tiles of the LED display.
22 . A video processing system comprising:
a video processor configured to broadcast a serialized video data stream to be displayed by a display, the video data being output by the video processor as a plurality of portions of the serialized video data stream, each of the plurality of portions of the serialized video data stream pertaining to a corresponding one of a plurality of tiles of the display, including at least a first tile and a second tile, such the plurality of portions of the broadcast serialized video data stream include at least a first portion of the serialized video data stream including video image data pertaining to the first tile of the display and a second portion of the serialized video data stream that includes video image data pertaining to the second tile of the display,
wherein the video processor outputs both the first portion of the serialized video data stream and the second portion of the serialized video data stream combined as a single broadcast data stream to an active first receiver card corresponding to the first tile of the display and to a second active receiver card corresponding to the second tile of the display.