Abstract: An image processing device and an image processing method are provided. The image processing device includes multiple image input units, an expansion module, a controller, and an image processing module. The multiple image input units are configured to receive multiple image signals and convert the multiple image signals into multiple converted image signals. The multiple converted image signals have a first image format. The expansion module is detachably coupled to the multiple image input units and is configured to output selected image signals according to a first selection signal. The controller is configured to provide the first selection signal. The image processing module is configured to receive the selected image signals to integrate into a picture by picture or a picture on picture.

Abstract: An image processing device and an image processing method are provided. The image processing device comprises a receiving module, a interface conversion module, a selecting module, and a controller. The receiving module is configured to receive image signals. The interface conversion module is configured to convert the image signals into converted image signals with a target image interface. The selecting module is configured to generate at least two selected image signals from the converted image signals according to the first selecting signal. The controller is configured to provide the first selecting signal to selecting module. The image processing device generates the composite image by overlaying the at least two selected image signals.

Abstract: An image processing device and an image processing method are provided. The image processing device includes multiple image input units, an expansion module, a controller, and an image processing module. The multiple image input units are configured to receive multiple image signals and convert the multiple image signals into multiple converted image signals. The multiple converted image signals have a first image format. The expansion module is detachably coupled to the multiple image input units and is configured to output selected image signals according to a first selection signal. The controller is configured to provide the first selection signal. The image processing module is configured to receive the selected image signals to integrate into a picture by picture or a picture on picture.

Abstract: An image processing device and an image processing method are provided. The image processing device includes multiple image input units, an expansion module, a controller, and an image processing module. The multiple image input units are configured to receive multiple image signals and convert the multiple image signals into multiple converted image signals. The multiple converted image signals have a first image format. The expansion module is detachably coupled to the multiple image input units and is configured to output selected image signals according to a first selection signal. The controller is configured to provide the first selection signal. The image processing module is configured to receive the selected image signals to integrate into a picture in picture.

Abstract: An image processing device and an image processing method are provided. The image processing device comprises a receiving module, a interface conversion module, a selecting module, and a controller. The receiving module is configured to receive image signals. The interface conversion module is configured to convert the image signals into converted image signals with a target image interface. The selecting module is configured to generate at least two selected image signals from the converted image signals according to the first selecting signal. The controller is configured to provide the first selecting signal to selecting module. The image processing device generates the composite image by overlaying the at least two selected image signals.

Abstract: An image processing device and an image processing method are provided. The image processing device includes multiple image input units, an expansion module, a controller, and an image processing module. The multiple image input units are configured to receive multiple image signals and convert the multiple image signals into multiple converted image signals. The multiple converted image signals have a first image format. The expansion module is detachably coupled to the multiple image input units and is configured to output selected image signals according to a first selection signal. The controller is configured to provide the first selection signal. The image processing module is configured to receive the selected image signals to integrate into a picture in picture.

Abstract: A projection device and a projection method are provided. The projection device includes a projection lens, an image generation optical path module, an image capturing device and a controller. The image generation optical path module generates a visible light image and an invisible light image according to a control signal, and projects the visible light image and the invisible light image to a projection area through the projection lens. The image capturing device photographs the projection area to obtain an invisible light reference image. The controller is coupled to the projection lens, the image generation optical path module and the image capturing device, and corrects at least one of the projection lens and the control signal according to the invisible light reference image and the invisible light image.

Abstract: The invention provides a three-dimensional (3D) image processing circuit and a synchronization signal correction method thereof. The 3D image processing circuit is adapted to process a 3D image signal. The 3D image signal includes an image synchronization signal and a view switching signal. The 3D image processing circuit includes a synchronization signal correction circuit coupled to the image processing circuit. A synchronization circuit of the synchronization signal correction circuit receives an image synchronization signal processed by the image processing circuit and simultaneously receives the view switching signal. The synchronization circuit compares the processed image synchronization signal with the view switching signal, so as to output a view switching signal synchronized with the processed image synchronization signal. The invention further provides an image display device including the above 3D image processing circuit.

Abstract: An image processing device and an image processing method are provided. The image processing device comprises a receiving module, a interface conversion module, a selecting module, and a controller. The receiving module is configured to receive image signals. The interface conversion module is configured to convert the image signals into converted image signals with a target image interface. The selecting module is configured to generate at least two selected image signals from the converted image signals according to the first selecting signal. The controller is configured to provide the first selecting signal to selecting module. The image processing device generates the composite image by overlaying the at least two selected image signals.

Abstract: A projection device and a projection method are provided. The projection device includes a projection lens, an image generation optical path module, an image capturing device and a controller. The image generation optical path module generates a visible light image and an invisible light image according to a control signal, and projects the visible light image and the invisible light image to a projection area through the projection lens. The image capturing device photographs the projection area to obtain an invisible light reference image. The controller is coupled to the projection lens, the image generation optical path module and the image capturing device, and corrects at least one of the projection lens and the control signal according to the invisible light reference image and the invisible light image.

Abstract: A projector, a projecting system and a transmission delay detection method thereof are provided. The projector includes an image processor and a delay calculator. The image processor, in a test mode, receives a first test image signal through an input end during a first time period, generates a first processed image signal through an output end, receives a second test image signal through the input end during a second time period, and generates a second processed image signal through the output end. The delay calculator detects a first time point at which the input end of the image processor receiving the first test image signal and a second time point at which a signal on the output end of the signal processor to translate from the first processed image signal to the second processed signal, and generates a first transmission delay according to the first and second time points.

Abstract: A projector, a projecting system and a transmission delay detection method thereof are provided. The projector includes an image processor and a delay calculator. The image processor, in a test mode, receives a first test image signal through an input end during a first time period, generates a first processed image signal through an output end, receives a second test image signal through the input end during a second time period, and generates a second processed image signal through the output end. The delay calculator detects a first time point at which the input end of the image processor receiving the first test image signal and a second time point at which a signal on the output end of the signal processor to translate from the first processed image signal to the second processed signal, and generates a first transmission delay according to the first and second time points.

Abstract: A projection apparatus and a light source module are provided. The light source module includes a light-emitting element string, a shunt module, and a control circuit. A first shunt circuit, a second shunt circuit, and a third shunt circuit of the shunt module are coupled to the light-emitting element string, and are adapted to provide a first shunt path, a second shunt path or a third shunt path, such that the light-emitting element string is still maintained to normally work when a light-emitting element/light-emitting elements is/are malfunctioned.

Abstract: A projector, a light source controller, and a light source control method are provided. The projector includes a light source, a wavelength conversion device, and a light source controller. The light source is adapted to provide a light beam. The wavelength conversion device is adapted to convert a wavelength of the light beam into a plurality of converted wavelengths. The light source controller includes a controller and a selector. The controller is adapted to receive a synchronization signal, and generate an enable signal and a plurality of indication signals according to the synchronization signal. The enable signal has a plurality of pulses, and there is an interval time between adjacent two pulses. The selector is adapted to select one of the control voltages according to the enable signal and the indication signals to generate a light source control signal.

Abstract: An autofocus method for a projector is provided. A projection lens of the projector projects at least projecting one image. The image includes a correction image. The projection lens has a focal length. The autofocus method includes: projecting the correction image; capturing the correction image; capturing a luminance parameter value of the correction image; controlling the focal length of the projection lens according to the luminance parameter value, wherein a process of controlling the focal length of the projection lens according to the luminance parameter value comprises a coarse adjustment phase and a fine adjustment phase, and the luminance parameter value changes with the adjustment of the focal length of the projection lens; and finding a maximum of the luminance parameter value. An autofocus system and a projector having the autofocus system are also provided.

Abstract: A projector, a light source controller, and a light source control method are provided. The projector includes a light source, a wavelength conversion device, and a light source controller. The light source is adapted to provide a light beam. The wavelength conversion device is adapted to convert a wavelength of the light beam into a plurality of converted wavelengths. The light source controller includes a controller and a selector. The controller is adapted to receive a synchronization signal, and generate an enable signal and a plurality of indication signals according to the synchronization signal. The enable signal has a plurality of pulses, and there is an interval time between adjacent two pulses. The selector is adapted to select one of the control voltages according to the enable signal and the indication signals to generate a light source control signal.

Abstract: A projection apparatus and a light source module are provided. The light source module includes a light-emitting element string, a shunt module, and a control circuit. A first shunt circuit, a second shunt circuit, and a third shunt circuit of the shunt module are coupled to the light-emitting element string, and are adapted to provide a first shunt path, a second shunt path or a third shunt path, such that the light-emitting element string is still maintained to normally work when a light-emitting element/light-emitting elements is/are malfunctioned.