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公开(公告)号：US11169782B2
公开(公告)日：2021-11-09
申请号：US16540547
申请日：2019-08-14
申请人： Apical Limited
摘要： An arithmetic logic unit, comprising an addition unit for determining a sum of a first input and a second input; and a logarithmic addition unit for determining an output using the sum and a third input. The output is a multiply-accumulate output represented in a logarithmic domain when the first, second and third inputs are represented in the logarithmic domain.
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公开(公告)号：US11089202B2
公开(公告)日：2021-08-10
申请号：US16576163
申请日：2019-09-19
申请人： Apical Limited
发明人： Viacheslav Chesnokov
摘要： A control system for an image capture device. The control system includes an image sensor including sensor pixels including at least two sub-pixels respectively. First and second pluralities of the sensor sub-pixels capture first and second pixel data with a first and second exposure respectively. An image processor receives image data derived from a first set of the sensor sub-pixels including sub-pixels of the first and second pluralities of the sensor sub-pixels. On the basis of the image data, the image processor generates output data representing at least part of an output image. A focus controller receives focus data derived from a second set of the sensor sub-pixels including at least two of the first plurality of the sensor sub-pixels. On the basis of the focus data, the focus controller generates a control signal for adjusting a focus of the image capture device. Other examples relate to image sensors.
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公开(公告)号：US11200647B2
公开(公告)日：2021-12-14
申请号：US16591101
申请日：2019-10-02
申请人： Apical Limited
摘要： A method, processor and system of retaining dynamic range. The method comprises obtaining a vignetting correction mesh for image data. The method also comprises generating an intensity compression curve, the intensity compression curve comprising one or more segments, based on the vignetting correction mesh; and adjusting pixel values of a portion of the image data according to the intensity compression curve and vignetting correction mesh.
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公开(公告)号：US10863156B2
公开(公告)日：2020-12-08
申请号：US16371922
申请日：2019-04-01
申请人： Apical Limited
摘要： Image data representative of at least a portion of an image comprising first and second sets of pixels associated with first and second colour channels, respectively, is received. It is determined that a first pixel of the first set of pixels is a saturated pixel. First data based on a value of the first pixel of the second set of pixels is obtained for a first image region comprising the first pixel of the first set of pixels and a first pixel of the second set of pixels. Second data based on respective values of second pixels of the first and second sets of pixels are obtained, based on the first data, for a second image region. The second data is processed to generate output data representative of an estimated value associated with the first colour channel for the first pixel.
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