Abstract: A frame correction method includes the following steps. Firstly, a correction frame is projected, wherein the correction frame has a number of original-boundary contour points. Then, in the first boundary contour adjustment, in response to a position adjustment of the first contour-adjusted one of the original-boundary contour points, correspondingly adjust the position of at least one symmetrical one of the original-boundary contour points, wherein at least one symmetrical one and the first contour-adjusted one are symmetrically disposed. Then, in response to the position adjustment of the first contour-adjusted one, a number of first new boundary contour points and a number of first open correction points are added.

Abstract: A projector includes an image converting module, a processing module and an imaging module. The image converting module receives an original image sequence with a first frame rate. The image converting module inserts a plurality of supplement images into the original image sequence per second to output a supplement image sequence with a second frame rate, wherein the second frame rate is larger than the first frame rate. The processing module is coupled to the image converting module. The processing module receives the supplement image sequence from the image converting module. The processing module ignores the supplement images and processes and outputs the original image sequence. The imaging module is coupled to the processing module. The imaging module receives the original image sequence from the processing module and outputs the original image sequence by the first frame rate.

Abstract: A projector includes an image converting module, a processing module and an imaging module. The image converting module receives an original image sequence with a first frame rate. The image converting module inserts a plurality of supplement images into the original image sequence per second to output a supplement image sequence with a second frame rate, wherein the second frame rate is larger than the first frame rate. The processing module is coupled to the image converting module. The processing module receives the supplement image sequence from the image converting module. The processing module ignores the supplement images and processes and outputs the original image sequence. The imaging module is coupled to the processing module. The imaging module receives the original image sequence from the processing module and outputs the original image sequence by the first frame rate.