A pixel sensing module, comprising: a pixel light-sensing unit, for receiving light at a light receiving side and outputting a pixel value, the pixel light-sensing unit comprising: a plurality of sub-pixel light-sensing components, configured to output a plurality of sub-pixel values, wherein each sub-pixel light-sensing component comprises a light-sensing area, a transmission gate and a floating node, and the transmission gate and the floating node are arranged in a non-light-sensing area, and the transmission gate is arranged between the light-sensing area and the floating node, wherein the light-sensing area is configured to receive light and produces photo electronic charges, the transmission gate is configured to apply a signal to drain out the photo electronic charges stored in the light-sensing area to the floating node, wherein the respective subpixel value is related to the photo electronic charges in the floating diffusion node; and an integrating unit, coupled to the pixel light-sensing unit, configured to output the pixel value according to the plurality of sub-pixel values; and a collimating unit, having a plurality of openings, wherein the plurality of openings are aligned with an area of the pixel light-sensing unit, and projections of the plurality of openings onto the light receiving side lie within the area of the pixel light-sensing unit at the light receiving side; characterized in that the projections of the plurality of openings only overlap with the light-sensing areas of the plurality of sub-pixel light-sensing components, and the projections do not overlap with the non-light-sensing areas of the plurality of sub-pixel light-sensing components. a pixel light-sensing unit, for receiving light at a light receiving side and outputting a pixel value, the pixel light-sensing unit comprising: a plurality of sub-pixel light-sensing components, configured to output a plurality of sub-pixel values, wherein each sub-pixel light-sensing component comprises a light-sensing area, a transmission gate and a floating node, and the transmission gate and the floating node are arranged in a non-light-sensing area, and the transmission gate is arranged between the light-sensing area and the floating node, wherein the light-sensing area is configured to receive light and produces photo electronic charges, the transmission gate is configured to apply a signal to drain out the photo electronic charges stored in the light-sensing area to the floating node, wherein the respective subpixel value is related to the photo electronic charges in the floating diffusion node; and an integrating unit, coupled to the pixel light-sensing unit, configured to output the pixel value according to the plurality of sub-pixel values; and a plurality of sub-pixel light-sensing components, configured to output a plurality of sub-pixel values, wherein each sub-pixel light-sensing component comprises a light-sensing area, a transmission gate and a floating node, and the transmission gate and the floating node are arranged in a non-light-sensing area, and the transmission gate is arranged between the light-sensing area and the floating node, wherein the light-sensing area is configured to receive light and produces photo electronic charges, the transmission gate is configured to apply a signal to drain out the photo electronic charges stored in the light-sensing area to the floating node, wherein the respective subpixel value is related to the photo electronic charges in the floating diffusion node; and an integrating unit, coupled to the pixel light-sensing unit, configured to output the pixel value according to the plurality of sub-pixel values; and a collimating unit, having a plurality of openings, wherein the plurality of openings are aligned with an area of the pixel light-sensing unit, and projections of the plurality of openings onto the light receiving side lie within the area of the pixel light-sensing unit at the light receiving side; characterized in that the projections of the plurality of openings only overlap with the light-sensing areas of the plurality of sub-pixel light-sensing components, and the projections do not overlap with the non-light-sensing areas of the plurality of sub-pixel light-sensing components.