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    • 52. 发明专利
    • Image composition device and image composition method
    • 图像组成装置和图像组合方法
    • JP2013187681A
    • 2013-09-19
    • JP2012050282
    • 2012-03-07
    • Canon Incキヤノン株式会社
    • KAIDA HIRONORIMAKINO JUN
    • H04N5/232G06T3/00H04N5/235H04N5/265
    • H04N5/2353H04N5/2351H04N5/2352H04N5/2355H04N5/35536
    • PROBLEM TO BE SOLVED: To provide an image composition device which can produce a composition image of high image quality ensuring continuity of tone of the whole image.SOLUTION: In a subregion measurement part 115, a low exposure image and a high exposure image are divided into a plurality of subregions (S501), and the luminance value is measured for each of the plurality of subregions thus divided (S502). A subregion comparison unit 116 then compares the measurements of subregions at the same position, and calculates a comparison value (S503). Subsequently, a representative value calculation unit 117 determines the average value and the standard deviation of the comparison value determined for each subregion (S504), sorts the comparison values in which the deviation of comparison value for each subregion falls within a fixed range (S505), and determines the average value of the comparison values thus sorted as a representative value (S506).
    • 要解决的问题:提供一种图像合成装置,其可以产生高图像质量的合成图像,确保整个图像的色调的连续性。解决方案:在子区域测量部分115中,将低曝光图像和高曝光图像分割 进入多个子区域(S501),并且对于这样划分的多个子区域中的每一个测量亮度值(S502)。 次区域比较单元116然后比较相同位置处的子区域的测量值,并计算比较值(S503)。 随后,代表值计算单元117确定针对每个子区域确定的比较值的平均值和标准偏差(S504),对每个子区域的比较值的偏差落在固定范围内的比较值进行分类(S505) ,并且将由此排序的比较值的平均值确定为代表值(S506)。
    • 54. 发明专利
    • Image sensor with double integration time and conditional selection
    • 具有双重整合时间和条件选择的图像传感器
    • JP2012205308A
    • 2012-10-22
    • JP2012065783
    • 2012-03-22
    • E2V Semiconductorsウードゥヴェ セミコンダクターズ
    • ANDY NOIRETTHIERRY LIGOZAT
    • H04N5/378H04N5/355
    • H04N5/35536H04N5/35554H04N5/35581
    • PROBLEM TO BE SOLVED: To provide an image sensor with double integration time and conditional selection.SOLUTION: A first transfer and a second transfer from a photodiode to a storage node are performed respectively after first duration (Ti1) and after second duration (Ti2) different from the first duration. The potential of the storage node after the first transfer of charge is sampled (shs1) in a first capacitor of a reading circuit, and the potential after a reinitialization of the storage node is sampled (shr) in a second capacitor. A level of potential taken after the second transfer is conditionally resampled (shs2) in the first capacitor. A signal level after the first transfer is applied to a differential amplifier of a ramp-type converter for short ramp duration (RMP1). It is determined whether resampling is performed according to a state of output of the amplifier at completion. Definitive analog-digital conversion using a definitive ramp (RMP2) of a differential signal level sampled in the capacitor is completed.
    • 要解决的问题:提供具有双积分时间和条件选择的图像传感器。 解决方案:在第一持续时间(Ti1)之后和在与第一持续时间不同的第二持续时间(Ti2)之后分别执行从光电二极管到存储节点的第一传输和第二传输。 在读取电路的第一电容器中对第一次传送电荷之后的存储节点的电位进行采样(shs1),并且在第二电容器中对存储节点重新初始化之后的电位进行采样(shr)。 在第二电容器中有条件地重新采样(shs2)在第二次传输之后采取的电位电平。 第一次传送之后的信号电平施加到斜坡型转换器的差分放大器,用于短时间的斜坡持续时间(RMP1)。 确定是否根据放大器的输出状态完成重新采样。 使用在电容器中采样的差分信号电平的确定斜坡(RMP2)的完全模数转换完成。 版权所有(C)2013,JPO&INPIT
    • 56. 发明专利
    • Image processing apparatus, image processing system, control method of image processing apparatus, image processing apparatus control program, and computer-readable recording medium recorded with the program
    • 图像处理装置,图像处理系统,图像处理装置的控制方法,图像处理装置控制程序以及与程序记录的计算机可读记录介质
    • JP2009147830A
    • 2009-07-02
    • JP2007325271
    • 2007-12-17
    • Sharp Corpシャープ株式会社
    • YAMAMOTO SHUHEI
    • H04N5/232G06T3/40G06T5/00H04N1/387H04N1/407
    • H04N5/35536G06T3/40H04N5/23232H04N5/2355H04N5/349
    • PROBLEM TO BE SOLVED: To reduce the influence on high-resolution image data of an non-proper exposure pixel included in imaged image data. SOLUTION: A super-resolution processing unit 25 of this invention includes: a differential image generating section 33 for generating differential image data; an image updating section 37 for calculating an evaluation value on the basis of the differential image data and updating the high-resolution image data so as to reduce the evaluation value in a case where the evaluation value is equal to or greater than a predetermined threshold; a region extracting section 35 for extracting a first region including an non-proper exposure pixel from captured image data; and a weighted differential image generating section 36 for weighting a pixel, corresponding to the first region, of the differential image data. Since the image updating section 37 updates the high-resolution image data using the plurality of differential image data items weighted, even if the non-proper exposure pixel is included in the imaged image data, high-accuracy and high-resolution image data accurately reflected with a shape or colors of an object to be imaged can be generated. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:减少对包括在成像图像数据中的非适当曝光像素的高分辨率图像数据的影响。 解决方案:本发明的超分辨率处理单元25包括:差分图像生成部33,用于产生差分图像数据; 图像更新部37,用于基于差分图像数据计算评价值,并更新高分辨率图像数据,以便在评估值等于或大于预定阈值的情况下减小评估值; 区域提取部分35,用于从捕获的图像数据中提取包括非适当曝光像素的第一区域; 以及加权差分图像生成部36,用于对差分图像数据的与第一区域对应的像素进行加权。 由于图像更新部分37使用加权的多个差分图像数据项来更新高分辨率图像数据,所以即使在成像图像数据中包括非适当的曝光像素,高精度和高分辨率图像数据被精确地反映 可以产生要成像的对象的形状或颜色。 版权所有(C)2009,JPO&INPIT
    • 57. 发明专利
    • Image processor, image processing method, and program for image processing
    • 图像处理器,图像处理方法和图像处理程序
    • JP2008263345A
    • 2008-10-30
    • JP2007103668
    • 2007-04-11
    • Seiko Epson Corpセイコーエプソン株式会社
    • KOBAYASHI MASANOBU
    • H04N1/46G06T3/00G06T5/00H04N1/387H04N1/60H04N5/243H04N9/04
    • H04N5/235H04N5/2355H04N5/35536
    • PROBLEM TO BE SOLVED: To provide an image processor capable of generating an image having proper hues. SOLUTION: The image processor which puts together image data of a plurality of images photographed with different exposure amounts to generate composite image data is provided with a CCD camera 101 which captures image data of the images photographed with the different exposure amounts; a signal reliability evaluating unit 105 which evaluates reliabilities of the image data differing in exposure amount for a plurality of color components, the acquired image data comprising image data of the plurality of color components; and an image composition unit 106 which selects image data of respective color components out of the image data of the plurality of images differing in exposure amount on the basis of the evaluated reliabilities and puts together the selected image data of the respective color components to generate composite image data. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够生成具有适当色调的图像的图像处理器。 解决方案:将摄影不同曝光量的多个图像的图像数据组合在一起以产生合成图像数据的图像处理器设置有CCD摄像机101,其捕获以不同曝光量拍摄的图像的图像数据; 信号可靠性评估单元105,其评估对于多个颜色分量的曝光量不同的图像数据的可靠性,所获取的图像数据包括多个颜色分量的图像数据; 以及图像合成单元106,其基于评估的可靠性从曝光量不同的多个图像的图像数据中选择各个颜色分量的图像数据,并将所选择的各个颜色分量的图像数据组合在一起,以生成复合图像 图像数据。 版权所有(C)2009,JPO&INPIT