Abstract: Methods, image sensor (331; 631; 800), imaging system (605) for 3D imaging based on light triangulation comprising the image sensor, relating to provision of pixel values of image sensor pixels of a second Region Of Interest, ROI, (465; 465?; 565) based on a first ROI (365; 365?). The first ROI (365; 365?) used by the image sensor (331; 631; 800) to provide first pixel values of image sensor pixels of the first ROI (365; 365?) resulting from a first exposure. The second ROI (465; 465?; 565) is determined (702) according to a predetermined relation that the second ROI (465; 465?; 565) shall have to the first ROI (365; 365?). A second exposure (703) makes at least the image sensor pixels of the second ROI (465; 465?; 565) to attain second pixel values. The second ROI (465; 465?; 565) is used to provide (704) second pixel values of image sensor pixels of the second ROI (465; 465?; 565) for further processing by the image sensor (331; 631; 800).

Abstract: Method and arrangements (431; 433; 1000), for provision of pixel values for readout from pixels of an image sensor (431). It is obtained (501) information indicating a threshold pixel value and a window at, or around, maximum, WAM, width (257; 357; 657) corresponding to a number of pixels. Pixels of the image sensor (431) are exposed whereby the exposed pixels attain analogue pixel values. It is identified (503) a pixel (255; 355; 655) in respective image sensor column (252; 352) whose analogue pixel value during said exposure was first in said respective column (252; 352) to reach or pass said threshold pixel value. Said identified respective pixel group (255; 355; 655) is associated (505) with a respective certain WAM position of a respective WAM (258; 358; 658) in said respective image sensor column (252; 352) with said WAM width (257; 357; 657).

Abstract: Method and arrangements (431; 433; 1000), for provision of pixel values for readout from pixels of an image sensor (431). It is obtained (501) information indicating a threshold pixel value and a window at, or around, maximum, WAM, width (257; 357; 657) corresponding to a number of pixels. Pixels of the image sensor (431) are exposed whereby the exposed pixels attain analogue pixel values. It is identified (503) a pixel (255; 355; 655) in respective image sensor column (252; 352) whose analogue pixel value during said exposure was first in said respective column (252; 352) to reach or pass said threshold pixel value. Said identified respective pixel group (255; 355; 655) is associated (505) with a respective certain WAM position of a respective WAM (258; 358; 658) in said respective image sensor column (252; 352) with said WAM width (257; 357; 657).

Abstract: Image sensor circuitry comprising an image sensor and method for supporting reduction of laser speckle effects in a digital image. Per each pixel position (x, y) of at least a subregion of the image sensor, the image sensing circuitry: Assigns to said pixel position (x,y) a predefined pixel window (w) comprising said pixel position (x,y) and one or more of its closest neighboring pixel positions. Obtains first pixel values for each pixel located within said predefined pixel window (w), said first pixel values resulting from the same exposure and corresponding to sensed light from this exposure. Combines the obtained first pixel values into a single, second pixel value according to a predefined combination function. The digital image is provided based on the second pixel values.

Abstract: Image sensor circuitry comprising an image sensor and method for supporting reduction of laser speckle effects in a digital image. Per each pixel position (x, y) of at least a subregion of the image sensor, the image sensing circuitry: Assigns to said pixel position (x,y) a predefined pixel window (w) comprising said pixel position (x,y) and one or more of its closest neighboring pixel positions. Obtains first pixel values for each pixel located within said predefined pixel window (w), said first pixel values resulting from the same exposure and corresponding to sensed light from this exposure. Combines the obtained first pixel values into a single, second pixel value according to a predefined combination function. The digital image is provided based on the second pixel values.