A detection device includes a sensor area provided with a plurality of detection elements each comprising a photoelectric conversion element in a detection area, and a detector configured to detect a potential difference between a voltage generated in a first detection element and a voltage generated in a second detection element adjacent to the first detection element in the detection area.

A detection device includes a sensor area in which a plurality of detection elements including photoelectric conversion elements are arranged in a matrix having a row-column configuration within a detection region, and a detector configured to calculate a detection value corresponding to the detection elements based on a voltage generated in the detection elements.

A detection device includes a sensor area in which a plurality of detection elements including photoelectric conversion elements are arranged in a matrix having a row-column configuration within a detection region, and a detector configured to calculate a detection value corresponding to the detection elements based on a voltage generated in the detection elements.

An optical sensor includes an array of pixels, wherein each pixel includes a photodiode configured to receive an optical signal and a floating node coupled to the photodiode. At least one sensing path is capacitively coupled to the floating node of at least one of the pixels. An evaluation unit is coupled to the at least one sensing path to generate an electrical signal dependent on the optical signal received by the photodiode.

An optical sensor includes an array of pixels, wherein each pixel includes a photodiode configured to receive an optical signal and a floating node coupled to the photodiode. At least one sensing path is capacitively coupled to the floating node of at least one of the pixels. An evaluation unit is coupled to the at least one sensing path to generate an electrical signal dependent on the optical signal received by the photodiode.

The invention relates to an electronic device for analyzing a scene, including a plurality of pixels (101) connected to a readout circuit (103) by a same first conductive track (105), wherein: each pixel (101) is capable of detecting an occurrence of a first event characteristic of the scene and of transmitting an event indication signal on the first conductive track (105) when it detects an occurrence of the first event; and the readout circuit (103) is capable of reading from the first conductive track (105) the event indication signals transmitted by the pixels (101) and of deducing therefrom characteristics of the scene, without transmitting event acknowledgement signals to the pixels (101).

The invention relates to a structure of a semiconductor chip (100) comprising photosensitive elements (104) for image capturing. The semiconductor chip (100) comprises a set of photosensitive elements (104) for forming electric signals on the basis of electromagnetic radiation received by the photosensitive elements (104); and other electronic circuitry. A surface of the semiconductor chip comprises a first region (102) and a second region (110); and the set of photosensitive elements (104) is located in the first region (102) and the other electronic circuitry is located in the second region (110). The invention also relates to methods, apparatuses, and computer program products.

Techniques for motion detection are presented. An image sensor for motion detection includes a plurality of analog comparators and a two-dimensional pixel array including a plurality of rows of pixels and a plurality of columns of pixels. Each pixel is configured to convert an optical signal on the pixel into an analog signal. The two-dimensional pixel array is organized into a plurality of groups of pixels each associated with a combined group signal determined based on the analog signals from pixels in the group of pixels. Each analog comparator includes two inputs and is used to compare combined group signals generated by two groups of pixels of the plurality of groups of pixels during a same time period to generate a 1-bit inter-pixel digital signal, where each of the two groups of pixels is coupled to a corresponding input of the two inputs of the each analog comparator.

In a moving target detection method a detection apparatus controls a first pixel system to be exposed for first duration; controls a second pixel system to be exposed for second duration; obtains first luminance information and second luminance information, where the first luminance information indicates luminance obtained by exposing the first pixel system for the first duration, and the second luminance information indicates luminance obtained by exposing the second pixel system for the second duration; and generates motion information based on the first luminance information and the second luminance information, where the motion information indicates whether a difference exists between the first luminance information and the second luminance information.

An image determining method, applied to an image sensing apparatus with a lens and an image sensor comprising a first pixel and a second pixel. First/second parts of the first/second pixels are respectively covered. The image determining method comprises: applying the first/second pixel to respectively generate a first/second object image, wherein the first/second object images are combined to generate a first combined object image; computing a first brightness information variation tendency of the first object image, a second brightness information variation tendency of the second object image and brightness information variation tendency of the first combined object image; and determining if the first combined object image is a front image or a rear image based on the first brightness information variation tendency, the second brightness information variation tendency and the brightness information variation tendency of the first combined object image.