Projected image correction system, projected image correction method and non-transitory computer-readable recording medium

A projected image correction method, adaptable for a projected image correction system, the projected image correction system comprising a projector and a portable electronic device, wherein the projector is configured to project a projected image, the portable electronic device is communicatively connected to the projector, and the portable electronic device comprises an acceleration sensor and a processor, the processor is adapted to receive at least one motion sensing data for the portable electronic device from the acceleration sensor when the portable electronic device is rotated around a first axis, a second axis or a third axis, and the projected image is adjusted in real time accordingly, and the first axis, the second axis and the third axis are perpendicular to each other, the processor is configured to execute an application to perform the following steps:

• enabling the portable electronic device to display a user interface, wherein the user interface has a plurality of icons, and the plurality of icons of the user interface comprises an icon corresponding to keystone correction;
• in response to one of the plurality of icons being selected as a selected icon, displaying a function interface corresponding to the selected icon, wherein when the icon corresponding to the keystone correction is selected, the function interface corresponding to the keystone correction is displayed, and the function interface corresponding to the keystone correction comprises a function icon for vertical correction, a function icon for horizontal correction and a function icon for rotation correction;
• in response to an operation of the function interface and a sensing of the acceleration sensor, receiving a first motion sensing data and a second motion sensing data for the portable electronic device from the acceleration sensor at a first time point and a second time point in sequence respectively, wherein the at least one motion sensing data comprises the first motion sensing data and the second motion sensing data;
• calculating a first parameter correction amount for a function type corresponding to the operation of the function interface based on the first motion sensing data and the second motion sensing data;
• and
• transmitting the first parameter correction amount and the function type corresponding to the operation of the function interface to the projector at the second time point, so that the projector adjusts the projected image based on the first parameter correction amount and the function type corresponding to the operation of the function interface transmitted from the portable electronic device, wherein the projected image is adjusted with the third axis as a rotation axis when the function icon for horizontal correction is selected and the portable electronic device is rotated, the projected image is adjusted with the second axis as a rotation axis when the function icon for vertical correction is selected and the portable electronic device is rotated.

A non-transitory computer-readable recording medium, which records an application, and loads the application through a processor of a portable electronic device to perform the following steps:

• enabling the portable electronic device to display a user interface, wherein the user interface has a plurality of icons, and the plurality of icons of the user interface comprises an icon corresponding to keystone correction;
• in response to one of the plurality of icons being selected as a selected icon, displaying a function interface corresponding to the selected icon, wherein when the icon corresponding to the keystone correction is selected, the function interface corresponding to the keystone correction is displayed, and the function interface corresponding to the keystone correction comprises a function icon for vertical correction, a function icon for horizontal correction and a function icon for rotation correction;
• in response to an operation of the function interface and a sensing of an acceleration sensor of the portable electronic device, receiving a first motion sensing data and a second motion sensing data for the portable electronic device from the acceleration sensor when the portable electronic device is rotated around a first axis, a second axis or a third axis, and the projected image is adjusted in real time accordingly, and the first axis, the second axis and the third axis are perpendicular to each other at a first time point and a second time point in sequence respectively;
• calculating a first parameter correction amount for a function type corresponding to the operation of the function interface based on the first motion sensing data and the second motion sensing data;
• and
• transmitting the first parameter correction amount and the function type corresponding to the operation of the function interface to a projector at the second time point, so that the projector adjusts a projected image based on the first parameter correction amount and the function type corresponding to the operation of the function interface transmitted from the portable electronic device, wherein the projected image is adjusted with the third axis as a rotation axis when the function icon for horizontal correction is selected and the portable electronic device is rotated, the projected image is adjusted with the second axis as a rotation axis when the function icon for vertical correction is selected and the portable electronic device is rotated.

A projected image correction system, comprising:

• a projector and a portable electronic device, wherein
• the projector is configured to project a projected image;
• and
• the portable electronic device is communicatively connected to the projector, and the portable electronic device comprises an acceleration sensor and a processor, the processor is adapted to receive at least one motion sensing data for the portable electronic device from the acceleration sensor,
• wherein the processor of the portable electronic device is configured to execute an application to:
• enable the portable electronic device to display a user interface, wherein the user interface has a plurality of icons, the plurality of icons of the user interface comprise an icon corresponding to four-corner correction;
• in response to one of the plurality of icons being selected as a selected icon, display a function interface corresponding to the selected icon, when the icon corresponding to the four-corner correction is selected, the function interface is corresponding to the four-corner correction, and the function interface corresponding to the four-corner correction comprises four function icons, the four function icons respectively correspond to four corner positions in the projected image;
• in response to an operation of the function interface and a sensing of the acceleration sensor, receive a first motion sensing data and a second motion sensing data for the portable electronic device from the acceleration sensor at a first time point and a second time point in sequence respectively, wherein the at least one motion sensing data comprises the first motion sensing data and the second motion sensing data;
• calculate a first parameter correction amount for a function type corresponding to the operation of the function interface based on the first motion sensing data and the second motion sensing data;
• and
• transmit the first parameter correction amount and the function type corresponding to the operation of the function interface to the projector at the second time point,
• wherein the projector is configured to:
• adjust the projected image based on the first parameter correction amount and the function type corresponding to the operation of the function interface transmitted from the portable electronic device, wherein one of the corner positions of the projected image is adjusted with a first axis and/or a second axis as a rotation axis.