公开(公告)号：US12212863B2

公开(公告)日：2025-01-28

申请号：US18370441

申请日：2023-09-20

Applicant: Phase One A/S

Inventor： Lau Nørgaard ,  Thomas Andersen

IPC: H04N25/532 ,  H04N25/78

Abstract: In global shutter image sensors, the light shields are often not completely lightproof and incoming light causes continued exposure even after the global shutter is shut. This ‘parasitic light’ degrades the recorded image. Disclosed is a method, performed by an imaging device with a global shutter image sensor, for recording an image with reduced degrading effects from parasitic light in the image sensor. The disclosed device and related method combine the global shutter functionality of the global shutter image sensor with a shutter such as a mechanical shutter. A precise synchronization of the closing of the shutter means that the shutter can block all incoming light—and thus stop parasitic light in the image sensor—shortly after the exposure is stopped by the global shutter image sensor. This allows the imaging device to record very short exposure images without the detrimental effects of parasitic light.

公开(公告)号：US20240129646A1

公开(公告)日：2024-04-18

申请号：US18370441

申请日：2023-09-20

Applicant: Phase One A/S

Inventor： Lau NØRGAARD ,  Thomas ANDERSEN

IPC: H04N25/532 ,  H04N25/78

CPC classification number: H04N25/532 ,  H04N25/78

Abstract: In global shutter image sensors, the light shields are often not completely lightproof and incoming light causes continued generation of charges in the shielded storage units even after the global shutter functionality has ended exposure, such as during the readout of the recorded image. This ‘parasitic light’ degrades the recorded image. Disclosed is a method, performed by an imaging device with a global shutter image sensor, for recording an image with reduced degrading effects from parasitic light in the image sensor. The disclosed imaging device and related method combine the global shutter functionality of the global shutter image sensor with a shutter such as a mechanical shutter. A precise synchronisation of the closing of the shutter means that the shutter can block all incoming light—and thus stop parasitic light in the image sensor—shortly after the exposure is stopped by the global shutter image sensor. This allows the imaging device to record very short exposure images without the detrimental effects of parasitic light.

公开(公告)号：US20120236165A1

公开(公告)日：2012-09-20

申请号：US13456639

申请日：2012-04-26

Applicant: Claus Molgaard

Inventor： Claus Molgaard

IPC: H04N5/225

CPC classification number: G03B17/00 ,  H04N1/3878 ,  H04N1/4092 ,  H04N5/23258 ,  H04N5/23267 ,  H04N5/23293

Abstract: A digital camera system has integrated accelerometers for determining static and dynamic accelerations of the digital cameral system. Data relating to static and dynamic accelerations are stored with recorded image data for further processing, such as for correcting image data for roll, pitch and vibrations and for displaying recorded images with a predetermined orientation using information about, e.g., roll. Data may also be used on-the-fly for smear suppression caused by vibrations.

Abstract translation: 数字照相机系统具有集成的加速度计，用于确定数字摄像系统的静态和动态加速度。 与静态和动态加速相关的数据与记录的图像数据一起存储以用于进一步处理，例如用于校正滚动，俯仰和振动的图像数据，并且使用关于例如卷的信息以预定取向显示所记录的图像。 数据也可以在飞行中用于由振动引起的污迹抑制。

公开(公告)号：US20120206614A1

公开(公告)日：2012-08-16

申请号：US13456652

申请日：2012-04-26

Applicant: Claus Mølgaard

Inventor： Claus Mølgaard

IPC: H04N5/217

CPC classification number: G03B17/00 ,  H04N1/3878 ,  H04N1/4092 ,  H04N5/23258 ,  H04N5/23267 ,  H04N5/23293

Abstract: A digital camera system has integrated accelerometers for determining static and dynamic accelerations of the digital cameral system. Data relating to static and dynamic accelerations are stored with recorded image data for further processing, such as for correcting image data for roll, pitch and vibrations and for displaying recorded images with a predetermined orientation using information about, e.g., roll. Data may also be used on-the-fly for smear suppression caused by vibrations.

公开(公告)号：US20100103275A1

公开(公告)日：2010-04-29

申请号：US12624451

申请日：2009-11-24

Applicant: Claus Mølgaard

Inventor： Claus Mølgaard

IPC: H04N5/228

CPC classification number: G03B17/00 ,  H04N1/3878 ,  H04N1/4092 ,  H04N5/23258 ,  H04N5/23267 ,  H04N5/23293

Abstract: A digital camera system has integrated accelerometers for determining static and dynamic accelerations of the digital cameral system. Data relating to static and dynamic accelerations are stored with recorded image data for further processing, such as for correcting image data for roll, pitch and vibrations and for displaying recorded images with a predetermined orientation using information about, e.g., roll. Data may also be used on-the-fly for smear suppression caused by vibrations.

Abstract translation: 数字照相机系统具有集成的加速度计，用于确定数字摄像系统的静态和动态加速度。 与静态和动态加速相关的数据与记录的图像数据一起存储以用于进一步处理，例如用于校正滚动，俯仰和振动的图像数据，并且使用关于例如卷的信息以预定取向显示所记录的图像。 数据也可以在飞行中用于由振动引起的污迹抑制。

公开(公告)号：US07656561B2

公开(公告)日：2010-02-02

申请号：US10865748

申请日：2004-06-14

Applicant: Claus Mølgaard ,  Thomas Alexander Rogon ,  Thomas Andersen

Inventor： Claus Mølgaard ,  Thomas Alexander Rogon ,  Thomas Andersen

IPC: H04N1/41

CPC classification number: H04N19/184 ,  H04N19/105 ,  H04N19/132 ,  H04N19/14 ,  H04N19/182 ,  H04N19/593

Abstract: Lossless, near-lossless, and lossy compression and decompression of digital image data, whereby the image data can be compressed and decompressed on-the-fly with no need for external RAM resources for temporary data storage while compressing/decompressing image data. Implementing the algorithm only requires a very limited amount of silicon and yields very high performance in relation to very low power consumption. The described implementation is optimized for raw image data from a sensor with a Bayer filter pattern but can be used on data from image sensors with ay color filter. The compression algorithm contains a line indexing formation which enables very fast subsampling of an already compressed image and the possibility to decompress only parts of an image—this improves performance and reduces the need for temporary RAM storage greatly when zooming and in postprocessing.

Abstract translation: 数字图像数据的无损，近无损和有损的压缩和解压缩，由此图像数据可以被即时压缩和解压缩，而不需要外部RAM资源用于临时数据存储，同时压缩/解压缩图像数据。 实现该算法仅需要非常有限的硅量并且相对于非常低的功耗产生非常高的性能。 所描述的实现针对具有Bayer滤波器图案的传感器的原始图像数据进行了优化，但可以用于具有ay滤色器的图像传感器的数据。 压缩算法包含一个行索引编制，可以对已经压缩的图像进行非常快的子采样，并且只能解压缩图像的一部分，这样可以提高性能，并在缩放和后处理时大大减少对临时RAM存储的需求。

公开(公告)号：US07023576B1

公开(公告)日：2006-04-04

申请号：US09567278

申请日：2000-05-09

Applicant: Michael Jønsson ,  Casper Find Andersen ,  Niels V. Knudsen

Inventor： Michael Jønsson ,  Casper Find Andersen ,  Niels V. Knudsen

IPC: G06F15/00 ,  H04N1/46 ,  G06K9/00

CPC classification number: H04N1/52

Abstract: A digital image processing method for eliminating Moiré in a digital image divided into pixels holding pixel component values includes selecting a first pixel and defining a pixel window around the selected first pixel. Then, a set of pixels are identified which consist of pixels within the window that have pixel component values within a pixel component value range that is related to the selected first pixel. A pixel component value is calculated based on corresponding pixel component values of pixels in the set of pixels and then this calculated pixel component value is allocated to the selected first pixel.

Abstract translation: 一种数字图像处理方法，用于消除划分成保持像素分量值的像素的数字图像中的莫尔，包括选择第一像素并在所选择的第一像素周围限定像素窗口。 然后，识别一组像素，其由窗口内的像素组成，其中像素分量值在与所选择的第一像素相关的像素分量值范围内。 基于像素组中的像素的相应像素分量值来计算像素分量值，然后将该计算出的像素分量值分配给所选择的第一像素。

公开(公告)号：US06912004B1

公开(公告)日：2005-06-28

申请号：US09354847

申请日：1999-07-16

Applicant: Niels V. Knudsen ,  Michael Jønsson

Inventor： Niels V. Knudsen ,  Michael Jønsson

IPC: G06T1/00 ,  G06T3/40 ,  H04N1/46 ,  H04N1/60 ,  H04N9/07 ,  H04N9/64 ,  H04N101/00 ,  H04N5/335 ,  G06K9/32 ,  H04N5/228

CPC classification number: G06T3/4007 ,  G06T3/4015

Abstract: A method and a system for processing images using interpolating. A variation value for different sets of pixels is determined, and the set of pixels with the highest correlation (lowest numeric value) is selected. A missing color at a given pixel is expressed in terms of the information contained in the selected set of pixels. If the variation value is below a certain threshold, due to noise or other factors, an alternative set of pixels using a different variation method may be selected. The missing color is estimated as a weighted sum of, e.g., the green samples divided by the weighted sum of, e.g., the red samples multiplied by the sampled value from the pixel to be estimated.

Abstract translation: 一种使用内插处理图像的方法和系统。 确定不同像素集合的变化值，并且选择具有最高相关性（最低数值）的像素集合。 在给定像素处的缺失颜色根据包含在所选择的像素组中的信息来表示。 如果变化值低于某个阈值，由于噪声或其他因素，可以选择使用不同变化方法的替代的像素集合。 丢失的颜色被估计为例如绿色样本除以例如红色样本的加权和与来自要估计的像素的采样值的加权和。

公开(公告)号：US07929807B2

公开(公告)日：2011-04-19

申请号：US11711361

申请日：2007-02-27

Applicant: Thomas Andersen

Inventor： Thomas Andersen

IPC: G06K9/32

CPC classification number: G06T3/4015 ,  H04N9/045

Abstract: The invention relates to a method for reducing the pixel resolution of a digital image by binning pixels together to form macro pixels. The digital image comprises pixels arranged in a color mask of at least three different colors. The color mask can be a Bayer mask comprising one red pixel, two green pixels and one blue pixel. The pixel binning method comprises selecting a number of pixels of each color. For example, in order to obtain a factor two resolution reduction, four red pixels can be binned for generating a red macro pixel and eight green pixels can be binned for generating two green macro pixels. By selecting for example only one blue pixel and using that pixel for generating a blue macro pixel the optical centers of the macro pixels will be evenly distributed over the image.

Abstract translation: 本发明涉及通过将像素合并以形成宏像素来降低数字图像的像素分辨率的方法。 数字图像包括排列在至少三种不同颜色的彩色掩模中的像素。 彩色掩模可以是包括一个红色像素，两个绿色像素和一个蓝色像素的拜耳掩模。 像素合并方法包括选择每种颜色的像素数量。 例如，为了获得因子二分辨率的降低，可以将四个红色像素进行分类以产生红色宏观像素，并且可以将八个绿色像素进行分类以产生两个绿色宏观像素。 通过仅选择一个蓝色像素并使用该像素来产生蓝色宏观像素，宏观像素的光学中心将均匀地分布在图像上。

公开(公告)号：US10158796B2

公开(公告)日：2018-12-18

申请号：US15167492

申请日：2016-05-27

Applicant: Phase One A/S

Inventor： Thomas Andersen

IPC: H04N5/232 ,  G02B7/34 ,  G03B13/36 ,  H04N5/369 ,  H04N5/374 ,  H04N17/00 ,  G02B7/36

Abstract: The invention relates to a phase-detection autofocus system using a single two-dimensional (2D) image sensor as an autofocus sensor. This allows for a number of novel functionalities such as calibration by adaptive selection of pixels for the autofocus collection zone, dynamically optimization of the collection zone for various scene and lightning conditions, as well as the use of 2D phase signals in the cross-correlation. This freedom in selecting which pixels to use gives rise to an equivalent freedom for the focus points presented to the user, which can be created, moved and scaled according to the conditions and the scene.