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公开(公告)号：US09892517B2
公开(公告)日：2018-02-13
申请号：US14973937
申请日：2015-12-18
申请人： APICAL LIMITED
发明人： Ilya Romanenko
CPC分类号： G06T7/13 , G06K9/0051 , G06K9/40 , G06K9/4604 , G06T5/002 , G06T2200/28 , G06T2207/10024 , G06T2207/20024 , G06T2207/20192
摘要： The invention relates to feature extraction technique based on edge extraction. It can be used in computer vision systems, including image/facial/object recognition systems, scene interpretation, classification and captioning systems. A model or profile of the noise in the sensor is used to improve feature extraction or object detection on an image from a sensor.
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公开(公告)号：US09483827B2
公开(公告)日：2016-11-01
申请号：US14601095
申请日：2015-01-20
申请人： Apical Ltd
发明人： Ilya Romanenko
CPC分类号： G06T7/0048 , G06K9/00248 , G06K9/4614 , G06K9/6276 , G06T7/77 , G06T2207/20081 , G06T2207/30201
摘要： A method of determining an orientation of an object within an image. The method determines the responses of at least two classifiers in at least one region of the image corresponding to the object. The classifiers have been trained to identify a given object in different specific orientations. The orientation of the object is determined as an average of the specific orientations, weighted by the responses of their respective classifiers.
摘要翻译： 确定图像内的对象的取向的方法。 该方法确定在与对象相对应的图像的至少一个区域中的至少两个分类器的响应。 已经对分类器进行了训练，以便以不同的特定方向识别给定的对象。 对象的方向被确定为由它们各自的分类器的响应加权的特定取向的平均值。
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公开(公告)号：US20140168288A1
公开(公告)日：2014-06-19
申请号：US14187180
申请日：2014-02-21
申请人： Apical Ltd
发明人： Michael TUSCH
IPC分类号： G09G5/10
CPC分类号： G09G5/10 , G09G5/00 , G09G2320/0247 , G09G2320/0271 , G09G2320/0626 , G09G2320/066 , G09G2360/144
摘要： A method of controlling in a display device screen brightness and strength of dynamic range compression of display data in dependence on ambient light level. Ambient light level values are required from one or more ambient light sensors. The ambient light level values are averaged using a first method to obtain a first average value and using a second, different method to obtain a second average value. The first average value is used for controlling the screen brightness and the second average value is used for controlling the strength of the dynamic range compression.
摘要翻译： 一种在显示装置中控制显示器数据的动态范围压缩的亮度和强度的方法，其依赖于环境光级别。 一个或多个环境光传感器需要环境光级数值。 使用第一方法平均环境光级值以获得第一平均值，并使用第二种不同的方法来获得第二平均值。 第一平均值用于控制屏幕亮度，第二平均值用于控制动态范围压缩的强度。
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公开(公告)号：US10922833B2
公开(公告)日：2021-02-16
申请号：US15980322
申请日：2018-05-15
申请人： Apical Ltd , Arm Limited
摘要： A method of processing image data representative of an image using a multi-stage system comprising a first neural network (NN) for identifying a first image characteristic and a second NN for identifying a second image characteristic. The method comprises processing the image data using t a first at least one layer of the first NN to generate feature data representative of at least one feature of the image and processing the feature data using a second at least one layer of the first NN to generate first image characteristic data indicative of whether the image includes the first image characteristic. The feature data is transferred from the first NN to the second NN. The feature data is processed using the second NN to generate second image characteristic data representative of whether the image includes the second image characteristic.
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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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公开(公告)号：US10853694B2
公开(公告)日：2020-12-01
申请号：US16209505
申请日：2018-12-04
申请人： Apical Ltd , Arm Limited
摘要： A method of processing input data using a computing system. The method comprises obtaining association data which relates a kernel in a convolutional neural network to one or more known data patterns; conducting analysis of input data for the convolutional neural network to identify whether a region of input data corresponds to at least one of the one or more known data patterns; and determining whether to process the region of input data with the kernel in the convolutional neural network based on the analysis and the association data.
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公开(公告)号：US10735669B2
公开(公告)日：2020-08-04
申请号：US16104298
申请日：2018-08-17
申请人： Apical Ltd
发明人： Andrew Dewhurst , David Hanwell
IPC分类号： H04N5/235
摘要： A method for reducing artefacts caused by the presence of flicker during image capture. The method comprises performing image capture to produce image capture data corresponding to an image capture scene, the image capture data including a first image having a first exposure and a second image having a second exposure. The image capture data is processed to: (a) detect a discrepancy in the second image with respect to the first image; and (b) determine flicker indication data indicative of a presence of flicker in the second image. The discrepancy is corrected in dependence upon the flicker indication to produce a flicker-reduced version of the second image.
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公开(公告)号：US10223766B2
公开(公告)日：2019-03-05
申请号：US15475926
申请日：2017-03-31
申请人： Apical Ltd
摘要： A method including receiving input data representing an input frame of a video. Transformation data representing at least one transformation for applying to an image to adjust a geometric distortion of the image is received. A first and second plurality of input tiles, each including a respective portion of the input frame, is processed with at least part of the transformation data, thereby generating first and second sub-window data representing a first and second sub-window of an output frame of the video, respectively.
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公开(公告)号：US10176763B2
公开(公告)日：2019-01-08
申请号：US14659300
申请日：2015-03-16
申请人： Apical Ltd
发明人： Michael Tusch
IPC分类号： G09G5/00 , G09G3/3283 , G09G3/3291 , G09G3/36
摘要： A method of forming a control parameter dependent on ambient light. The method comprises the steps of acquiring light values from an ambient light sensor and acquiring positional status values from a positional status sensor. The control parameter depends on the light values and is filtered in dependence on the positional status values.
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公开(公告)号：US11082628B2
公开(公告)日：2021-08-03
申请号：US16206306
申请日：2018-11-30
申请人： Apical Ltd , ARM Limited
发明人： Ozgur Tasdizen , Alexey Kornienko
摘要： Examples of the present disclosure relate to a method for reducing artefacts caused by the presence of flicker during capture of a video. A sequence of frames of the video are captured, the frames each comprising a plurality of predefined regions each comprising a plurality of pixels. A time-varying oscillation of the flicker is characterized based on variations, across the sequence of frames, of data relating to pixel intensities in at least one said region. Based on the characterizing of the time-varying oscillation of the flicker, a flicker correction is applied to a frame of the video.
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