The phi phenomenon is an illusion of perceiving continuous motion between separate objects which viewed rapidly in success. The term was defined by Max Wertheimer in the Gestalt psychology in 1912 and formed a part of the base of the theory of cinema, applied by Hugo Münsterberg in 1916.
The phi phenomenon is the visible motion caused by a changing fixed image, as in a motion picture. In phi, there are different images or lights in a one place, to produce the effect. The images or lights are turned on and off rapidly. in Cinema and animation, it is been mostly used. The classic phi phenomenon experiment involves audience watching a screen, upon which the experimenter projects two images in succession i.e. the first image portray a line on the left side of the frame.
The second images portray a line on the right side of the frame. The images are shown quickly that each frame may be given several seconds of viewing time. Once both images have been projected together, then they ask the audience to describe what they saw.
At certain combinations of spacing and timing of the two pictures, a viewer will report a direction in the space between and around the two lines. In these case, the line that seems to move is actually an image that first appeared in the right of the screen and then in the left of the screen.
The phi phenomenon is the visible motion caused by a changing fixed image, as in a motion picture. In phi, there are different images or lights in a one place, to produce the effect. The images or lights are turned on and off rapidly. in Cinema and animation, it is been mostly used. The classic phi phenomenon experiment involves audience watching a screen, upon which the experimenter projects two images in succession i.e. the first image portray a line on the left side of the frame.
The second images portray a line on the right side of the frame. The images are shown quickly that each frame may be given several seconds of viewing time. Once both images have been projected together, then they ask the audience to describe what they saw.
At certain combinations of spacing and timing of the two pictures, a viewer will report a direction in the space between and around the two lines. In these case, the line that seems to move is actually an image that first appeared in the right of the screen and then in the left of the screen.
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