A method, comprising: displaying, by a visualization computing system, an image (202; 302) on a video screen using a first visualization application, the visualization computing system having one or more microprocessors and a computer readable storage medium in which computer readable instructions are encoded or embedded, wherein the one or more microprocessors are configured to execute the computer readable instructions, which are encoded or embedded in the computer readable storage medium, wherein the computer readable instructions include the first visualization application; capturing, with a camera, at least a portion of the image (202, 302) displayed on the video screen, and generating a signal indicative thereof, wherein the at least the portion of the image (202, 302) includes encoded information (204; 304) identifying a second visualization application, which is not available via the first visualization application without the encoded information, wherein the signal generated by the camera is indicative of the captured encoded information and the computer readable instructions include instructions for processing the signal and invoking the second visualization application; wherein the second visualization application includes instructions for image viewing and/or manipulation capabilities for viewing and/or manipulating image data of the image; wherein: (a) the second visualization application is part of the computer readable instructions, which are encoded or embedded in the computer readable storage medium; or (b) the second visualization application is located remote from the visualization computing system and accessed by the visualization computing system over a network; wherein the method further comprises: identifying and reading the encoded information; and executing, by the one or more microprocessors, the computer executable instructions of the second visualization application. displaying, by a visualization computing system, an image (202; 302) on a video screen using a first visualization application, the visualization computing system having one or more microprocessors and a computer readable storage medium in which computer readable instructions are encoded or embedded, wherein the one or more microprocessors are configured to execute the computer readable instructions, which are encoded or embedded in the computer readable storage medium, wherein the computer readable instructions include the first visualization application; capturing, with a camera, at least a portion of the image (202, 302) displayed on the video screen, and generating a signal indicative thereof, wherein the at least the portion of the image (202, 302) includes encoded information (204; 304) identifying a second visualization application, which is not available via the first visualization application without the encoded information, wherein the signal generated by the camera is indicative of the captured encoded information and the computer readable instructions include instructions for processing the signal and invoking the second visualization application; wherein the second visualization application includes instructions for image viewing and/or manipulation capabilities for viewing and/or manipulating image data of the image; wherein: (a) the second visualization application is part of the computer readable instructions, which are encoded or embedded in the computer readable storage medium; or (b) the second visualization application is located remote from the visualization computing system and accessed by the visualization computing system over a network; (a) the second visualization application is part of the computer readable instructions, which are encoded or embedded in the computer readable storage medium; or (b) the second visualization application is located remote from the visualization computing system and accessed by the visualization computing system over a network; wherein the method further comprises: identifying and reading the encoded information; and executing, by the one or more microprocessors, the computer executable instructions of the second visualization application. identifying and reading the encoded information; and executing, by the one or more microprocessors, the computer executable instructions of the second visualization application.