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    • 41. 发明授权
    • Image pickup apparatus and image processing method
    • 图像拾取装置和图像处理方法
    • US07750950B2
    • 2010-07-06
    • US11606087
    • 2006-11-30
    • Masaya TamaruKoichi SakamotoKoji IchikawaMasahiko SugimotoManabu HyodoKazuhiko TakemuraHirokazu Kobayashi
    • Masaya TamaruKoichi SakamotoKoji IchikawaMasahiko SugimotoManabu HyodoKazuhiko TakemuraHirokazu Kobayashi
    • H04N9/73
    • H04N5/2355H04N5/202H04N5/235H04N9/69H04N9/735
    • An image combined high sensitivity image and low sensitivity image is provided with well-adjusted white balance and broad dynamic range. The image is obtained by multiplying the combined data by total gain that depends on scene. A white balance is adjusted with gain value calculated from of high output image data. Lv value representing luminance is calculated and compared with a threshold to decide whether or not the high sensitivity image and the low sensitivity image should be combined. First gamma correction unit performs gamma-correction for the image signal derived from the high sensitivity signal with first gamma character, second gamma correction unit performs gamma-correction for the image signal derived from the low sensitivity signal with second gamma character that is different from the first gamma character, and addition unit combines the image signal from the first gamma correction unit and the image signal from the second gamma correction unit.
    • 组合高灵敏度图像和低灵敏度图像的图像具有良好调整的白平衡和宽动态范围。 通过将组合数据乘以取决于场景的总增益来获得图像。 用高输出图像数据计算的增益值调整白平衡。 计算表示亮度的Lv值并将其与阈值进行比较,以决定是否应该组合高灵敏度图像和低灵敏度图像。 第一伽马校正单元对于具有第一伽玛字符的高灵敏度信号导出的图像信号执行伽马校正,第二伽马校正单元对于具有与第一伽玛校正不同的第二伽马字符从低灵敏度信号导出的图像信号进行伽马校正 第一伽马字符和加法单元组合来自第一伽马校正单元的图像信号和来自第二伽马校正单元的图像信号。
    • 45. 发明申请
    • Image-correction processing apparatus and program
    • 图像校正处理装置和程序
    • US20050102376A1
    • 2005-05-12
    • US10669608
    • 2003-09-25
    • Koji Ichikawa
    • Koji Ichikawa
    • G06F13/00G06F15/16H04N1/00H04N1/32H04N1/333H04N1/40H04N7/173H04N21/2343H04Q7/20
    • H04N1/00137H04N1/00167H04N1/00307H04N1/33307H04N1/33376H04N2201/33314
    • An image sending server receives an image, which is picked up by a sender cellular phone as a destination terminal and is requested to send, as a pre-sending image via a network, and stores the image in a send-out image storing portion. A destination terminal information inputting portion inputs destination terminal information acquired from a destination cellular phone, and transfers the information to a send-out image generation processing portion. The send-out image generation processing portion generates the send-out image by performing an image correcting process according to characteristics of each image and also performing an image correcting process, which is adaptive for the model of the destination cellular phone, according to image-correction parameter, which is appropriate for a display device of the destination cellular phone based on the destination terminal information. This send-out image is sent from an image transmitting portion to the destination cellular phone via the network.
    • 图像发送服务器接收作为目的地终端的作为目的地终端的请求发送的作为预发送图像的发送方蜂窝电话通过网络发送的图像,并将图像存储在发送图像存储部中。 目的地终端信息输入部分输入从目的蜂窝电话获得的目的地终端信息,并将该信息传送到发送图像生成处理部分。 发送图像生成处理部通过根据各图像的特性进行图像校正处理来生成发送图像,并且还根据图像编码处理部分对目的地移动电话的模型进行适应的图像校正处理, 校正参数,其基于目的地终端信息适用于目的地移动电话的显示设备。 该发送图像经由网络从图像发送部分发送到目的地移动电话。
    • 48. 发明授权
    • Apparatus for adjusting hue, chrominance, and luminance of a video
signal using matrix circuits
    • 用于使用矩阵电路调整视频信号的色调,色度和亮度的装置
    • US5333070A
    • 1994-07-26
    • US857262
    • 1992-03-25
    • Koji Ichikawa
    • Koji Ichikawa
    • B41J2/525H04N1/46H04N1/48H04N1/60H04N9/64H04N9/67H04N9/68H04N9/79
    • H04N1/60H04N9/643H04N9/68
    • Disclosed herein is an apparatus for carrying out color correction on a video signal. The apparatus basically comprises a Y/C separating circuit for separating the video signal into a luminance signal and a color signal, a decoder for decomposing these signals into color separation signals, three three-row/three-column type color-correcting matrix circuits for electrically processing the color separation signals for color correction, an A/D converter circuit for converting the so-processed signals into digital signals, a frame memory for storing the digital signals therein as data, a correction circuit and a printer head. By using the apparatus referred to above, a user can emphatically perform correction on the hue, chroma and luminance of each of specific colors. Thus, the user can adjust the quality of an image with extreme ease.
    • 本文公开了一种用于对视频信号执行颜色校正的装置。 该装置基本上包括用于将视频信号分离为亮度信号和彩色信号的Y / C分离电路,用于将这些信号分解为色彩分离信号的解码器,三行/三列式彩色校正矩阵电路,用于 电处理用于颜色校正的颜色分离信号,用于将经处理的信号转换为数字信号的A / D转换器电路,用于将数字信号作为数据存储的帧存储器,校正电路和打印头。 通过使用上述装置,用户可以强调对每种特定颜色的色调,色度和亮度进行校正。 因此,用户可以极其容易地调整图像的质量。