Image sensing module and optical sensing system

An optical sensing system, comprising:

• a sensing area with a plurality of edges;
• a first light filtering module with a first transmission spectrum;
• a mirror for generating a mirror image of the sensing area by receiving and reflecting light through the first light filtering module;
• a first image sensing module, comprising:
• a second light filtering module comprising a plurality of first light filtering components with the first transmission spectrum and a plurality of second light filtering components with a second transmission spectrum;
• a first image sensor for generating a first image by receiving an image of multiple objects through the second light filtering module and receiving a mirror image of the objects reflected from the mirror through the second light filtering module, wherein the first image comprises a plurality of first pixels, and each first pixel comprises a first sub data corresponding to light transmitted through at least a first light filtering component and a second sub data corresponding to light transmitted through at least a second light filtering component, wherein the first image sensor comprises a plurality of first sensing units and a plurality of second sensing units, the first sensing units and the second sensing units are interlacedly arranged, the first sub data is generated by using interpolation according to first sensing signals generated by the first sensing units, and the second sub data is generated by using interpolation according to second sensing signals generated by the second sensing units;
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• a first sensing controller electrically connected to the first image sensor, for determining a first set of real images of the objects and a first set of virtual images of the objects reflected from the mirror according to the first sub data and the second sub data of the plurality of first pixels;
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• a processing circuit electrically connected to the first sensing controller, for generating a first set of candidate coordinates of the objects according to the first set of real images and the first set of virtual images.

An optical sensing system, comprising:

• a sensing area with a plurality of edges;
• a first light filtering module with a first transmission spectrum;
• a mirror for generating a mirror image of the sensing area by receiving and reflecting light through the first light filtering module;
• a first image sensing module, comprising:
• a second light filtering module comprising a plurality of first light filtering components with the first transmission spectrum and a plurality of second light filtering components with a second transmission spectrum;
• a first image sensor for generating a first image by receiving an image of multiple objects through the second light filtering module and receiving a mirror image of the objects reflected from the mirror through the second light filtering module, wherein the first image comprises a plurality of first pixels, and each first pixel comprises a first sub data corresponding to light transmitted through at least a first light filtering component and a second sub data corresponding to light transmitted through at least a second light filtering component, wherein the first image sensor comprises a plurality of first sensing units and a plurality of second sensing units, the first sensing units and the second sensing units are interlacedly arranged, the first sub data is generated by using interpolation according to first sensing signals generated by the first sensing units, and the second sub data is generated by using interpolation according to second sensing signals generated by the second sensing units;
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• a first sensing controller electrically connected to the first image sensor, for determining a first set of real images of the objects and a first set of virtual images of the objects reflected from the mirror according to the first sub data and the second sub data of the plurality of first pixels;
• a second image sensing module, comprising:
• a third light filtering module comprising a plurality of third light filtering components with the first transmission spectrum and a plurality of fourth light filtering components with the second transmission spectrum;
• a second image sensor for generating a second image by receiving an image of the objects through the third light filtering module and receiving a mirror image of the objects reflected from the mirror through the second light filtering module, wherein the second image comprises a plurality of second pixels, and each second pixel comprises a third sub data corresponding to light transmitted through at least a third light filtering component and a fourth sub data corresponding to light transmitted through at least a fourth light filtering component;
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• a second sensing controller electrically connected to the second image sensor, for determining a second set of real images of the objects and a second set of virtual images of the objects reflected from the mirror according to the third sub data and the fourth sub data of the plurality of second pixels;
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• a processing circuit electrically connected to the first sensing controller and the second sensing controller, for generating a set of real image candidate coordinates of the objects according to the first set of real images and the second set of real images, and generating a set of virtual image candidate coordinates of the objects according to the first set of virtual images and the second set of virtual images, the processing circuit further generating a set of output coordinates according to the set of real image candidate coordinates and the set of virtual image candidate coordinates.