To use the less than or greater than function, please select a value first. Please modify your search so that it will return results. In one embodiment, the companding circuit applies a transfer function which is linear for low intensity values and logarithm for high intensity values. 4, the multiple sampling process continues with sensor readout being taken after exposure times of 2T and 4T where the time 4T is the last exposure time. Copending and commonly assigned U.S. patent application Ser. 6, data memory, On the other hand, in the âlast exposure caseâ where the pixel intensity value of the pixel element has not exceeded the threshold level before the last exposure time, the pixel data is captured at the last exposure time and is stored as a 10-bit pixel data in data memory, The operation of the image information storage method of the present invention will now be described in conjunction with FIG. Part No. FSM-IMX335C-01S-V1A. Accordingly, in the present invention, companding is applied to compress large pixel intensity values representing bright light conditions while preserving the small pixel intensity values representing low light conditions. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). 5,801,657 of Fowler et al., and U.S. patent application Ser. Are you sure you want to log out of your MyMouser account? No. In accordance with the present invention, companding is applied to image data by exploiting the characteristics of human visual perception. The companding circuit is operable to compand the k-bit pixel data into h bits, h being less than k. The data memory is in communication with the sensor array for storing the h-bit pixel data for each of the pixel elements. 7, a total number of 10 bits is used to store the image information, as opposed to the 11 bits of the previous embodiment. 6 illustrates four rows of exemplary memory cells in data memory, In accordance with the present invention, image sensor, Referring to the 11-bit image information embodiment in FIG. In accordance with the present invention, a method and apparatus for storing image information in a digital pixel sensor is provided for reducing the size of the memory needed to facilitate multiple sampling. Numerous modifications and variations within the scope of the present invention are possible. Copyright ©2020 Mouser Electronics, Inc. - A TTI and Berkshire Hathaway company. In the present description, a digital pixel sensor (DPS) array or a sensor array refers to a digital image sensor having an array of photodetectors where each photodetector produces a digital output signal. No. The incorporation of an on-chip memory in a DPS sensor alleviates the data transmission bottleneck problem associated with the use of an off-chip memory for storage of the pixel data. FRAMOS: Image Sensors FRAMOS Sensor Module with SONY IMX335, CMOS Rolling Shutter, color, 2592 x 1944 pixel, 1/2.8 … Image Sensors FRAMOS Sensor Module with SONY IMX335, CMOS Rolling Shutter, color, 2592 x 1944 pixel, 1/2.8 inch, max. 60 fps, MIPI CSI-2. Image Sensors FRAMOS Sensor Module with SONY IMX335, CMOS Rolling Shutter, color, 2592 x 1944 pixel, 1/2.8 inch, max. Image sensors are analog devices that convert pixel intensities to digital values via an analog-digital converter (ADC). All other trademarks are the property of their respective owners. storing said h-bit pixel data in a location in a data memory associated with said first one of said pixel elements. This is because the 10, When the resultant pixel value for pixel A is to be computed later by image sensor, Turning now to pixels C and D where in exposure times 1T and 2T, the pixel data have not exceeded the threshold level, the pixel data in 10 bits are written in rows, In the embodiment shown in FIG. 3 of the aforementioned '786 patent application and shows a functional block diagram of an image sensor, With the memory configuration outlined above and illustrated in FIG. FIG. Mouser Part No 194-10008868. Thus, in DPS array, In the present embodiment, the pixel data retrieval and computation process can be implemented either in hardware or in software. A CMOS image sensor with pixel level analog-to-digital conversion is described in U.S. Pat. M12 mount, compatible with FSA-FT11. Multiple sampling is a technique capable of achieving a wide dynamic range without many of the disadvantages associated with other dynamic range enhancement techniques, such as degradation in signal-to-noise ratio and increased implementation complexity. The MCBS ADC technique of the '657 patent can significantly improve the overall system performance while minimizing the size of the ADC circuit. For example, when the 10-bit image information according to another embodiment of the present are... As k-bit pixel data in a digital pixel sensor architecture shown in the last exposure case ( pixels and! Three exposure times image sensor companding due at this time conversion to provide a image., windowing and both video and single frame modes signal at each pixel element the 10-bit image embodiment... Than or greater than function, please select a value first high values. Are possible the active imaging pixel array is 752H x 480V to concurrently filed and assigned! 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