Multi-channel dvi image fusion correction control host

Abstract

The invention discloses a multi-channel DVI (digital Visual Interface) image fusion correction control host. The multi-channel DVI image fusion correction control host uses an ARM CPU as a management center, uses an FPGA (field programmable gate array) as an image processing unit, performs multi-channel high-resolution DVI image acquisition, and synchronizes multi-channel images for fusion output in a strict parallel way. The host comprises an ARM CPU main board and four channel boards, wherein the channel board internally comprises an FPGA programmable logic device, a double-link DVI input module, a double-link DVI output module, a QDR2 (quad data rate) data access module and a DDR2 (double data rate 2) data access module of a digital image processing circuit; all the components are distributed on an ARM core board, the main board and the four parallel-running channel boards; the ARM core board and the channel boards are connected with the main board through inter-board connectors; the channel number can be extended between hosts through cascading ports. The multi-channel DVI image fusion correction control host effectively overcomes the defects that the conventional PC computing cluster is expensive and synchronization and timeliness of output contents cannot be consistent completely; the embedded FPGA image processing unit effectively reduces space occupancy; an image output by an double-link DVI is high in resolution; different transformation parameter tables can be adapted to different projection screens.

Description

[0001] 1. Technical field

[0002] The invention belongs to the technical field of electronic applications and relates to multi-channel image fusion technology, in particular to a multi-channel DVI image fusion correction control host.

[0003] 2. Background technology

[0004] At present, in response to the demand for large-scale projection display and LED screen display, there are more and more application occasions for merging multiple display channel images into one large-scale scene image output. It is mainly aimed at high-resolution, large field of view, and special-shaped curved surface projection environments. It is used in training centers, command and control centers, large-scale conference display screens, data display environments in financial centers, visualization of manufacturing control, and visualization environments of urban management.

[0005] The structural solution widely used in large-scale display systems is the high-performance PC networking synchroniza...

Examples

Embodiment Construction

[0031] Accompanying drawing has provided a specific embodiment.

[0032] The various components of the calibration control host are installed in the chassis, which is a standard 3U chassis with air cooling, conduction and other heat dissipation methods. The length × width × height is about 4250 × 4350 × 1320 (mm), and the chassis shell has 4 mounting holes and grounding stakes. The casing is made of metal casing and aluminum profile.

[0033] There are motherboard, ARM core board, FPGA channel board and light board in the chassis. The various components are laid out on the respective boards. The ARM CPU module is set on the ARM core board, and the FPGA programmable logic device, DVI input module, DVI output module, QDR2 data access module, and DDR2 data access module are set on the FPGA board. The DVI input module is installed on the DVI output port 8 of the FPGA channel board, and the DVI output module is installed on the DVI input port 9 of the FPGA channel board. It is ...

[0001] 1. Technical field

[0002] The invention belongs to the technical field of electronic applications and relates to multi-channel image fusion technology, in particular to a multi-channel DVI image fusion correction control host.

[0003] 2. Background technology

[0004] At present, in response to the demand for large-scale projection display and LED screen display, there are more and more application occasions for merging multiple display channel images into one large-scale scene image output. It is mainly aimed at high-resolution, large field of view, and special-shaped curved surface projection environments. It is used in training centers, command and control centers, large-scale conference display screens, data display environments in financial centers, visualization of manufacturing control, and visualization environments of urban management.

[0005] The structural solution widely used in large-scale display systems is the high-performance PC networking synchroniza...

Examples

Embodiment Construction

[0031] Accompanying drawing has provided a specific embodiment.

[0032] The various components of the calibration control host are installed in the chassis, which is a standard 3U chassis with air cooling, conduction and other heat dissipation methods. The length × width × height is about 4250 × 4350 × 1320 (mm), and the chassis shell has 4 mounting holes and grounding stakes. The casing is made of metal casing and aluminum profile.

[0033] There are motherboard, ARM core board, FPGA channel board and light board in the chassis. The various components are laid out on the respective boards. The ARM CPU module is set on the ARM core board, and the FPGA programmable logic device, DVI input module, DVI output module, QDR2 data access module, and DDR2 data access module are set on the FPGA board. The DVI input module is installed on the DVI output port 8 of the FPGA channel board, and the DVI output module is installed on the DVI input port 9 of the FPGA channel board. It is ...

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