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    • 7. 发明公开
    • 자동 역광 보정 기능을 구비한 이미지 촬영기기 및 그 방법
    • 具有自动背光补偿功能的图像摄影装置及其方法
    • KR1020080047190A
    • 2008-05-28
    • KR1020060117221
    • 2006-11-24
    • 삼성전자주식회사
    • 이혜경
    • H04N5/225H04N5/232
    • H04N5/243G06K9/00228H04N5/2351
    • An image photographing apparatus having an auto backlight compensation function and a method thereof are provided to check whether an image data is in a backlight state and to adjust brightness of the image data automatically for compensating for the backlight according to the judgment of whether a character image is contained in the image data. An image photographing apparatus(100) comprises an image photographing part(110), an image state judging part(120), and a brightness adjusting part(130). The image photographing part photographs an image and generates image data. The image state judging part analyzes brightness of the image data. The brightness adjusting part adjusts the brightness of the image data automatically and compensates for the backlight of the image data. The image state judging part has an image data dividing part(121), a brightness characteristic value calculating part(122), and a backlight state judging part(123). The bright adjusting part includes an adjusting value calculating part(131) and an adjusting part(132) for adjusting the total brightness of the image data.
    • 提供一种具有自动背光补偿功能的图像拍摄装置及其方法,用于检查图像数据是否处于背光状态,并根据判断字符图像是否自动调整图像数据的亮度以补偿背光 包含在图像数据中。 图像拍摄装置(100)包括图像拍摄部(110),图像状态判断部(120)和亮度调整部(130)。 图像拍摄部件拍摄图像并生成图像数据。 图像状态判断部分分​​析图像数据的亮度。 亮度调节部件自动调整图像数据的亮度,补偿图像数据的背光。 图像状态判断部具有图像数据分割部(121),亮度特性值计算部(122)和背光源判定部(123)。 亮调节部包括用于调整图像数据的总亮度的调整值计算部(131)和调整部(132)。
    • 10. 发明授权
    • 전자교환기의 PCM CODEC(DOCER and DECODER) 집적회로
    • PCM编解码集成电路
    • KR1019940004432B1
    • 1994-05-25
    • KR1019910017281
    • 1991-10-02
    • 삼성전자주식회사
    • 황인환이혜경배일성이방원
    • H04M3/00
    • H04B14/04H04M11/002H04M15/00
    • The PCM CODEC integrated circuit comprises a buffer for obtaining a high-input impedance, a signal selector for using an analog loopback to thereby check line trouble on a PCM highway, a transmission-side gain controller for compensating for a gain of a subscriber-side line, an anti-aliasing filter for preventing noise, a money-counting signal removing portion for removing the feedback factor of a money-counting signal, a band-pass filter for passing only a signal of a vocal signal band, a coder for converting the analog signal into a PCM output signal, a decoder for converting the PCM input signal into an analog signal, a low-pass filter for passing only the signal of the vocal signal band, a receptio-side gain controller for compensating for the reception-side gain, a smoothing filter for attenuating high-frequency signal of a stepped form, an operation amplifier for processing signal to directly drive line subscriber signal, and a money counting gate for connecting the signal of a money counting signal source.
    • PCM CODEC集成电路包括用于获得高输入阻抗的缓冲器,用于使用模拟环回从而检测PCM高速公路上的线路故障的信号选择器,用于补偿用户侧的增益的发送侧增益控制器 线路,用于防止噪声的抗混叠滤波器,用于去除货币计数信号的反馈因子的货币计数信号去除部分,用于仅通过声带信号频带的信号的带通滤波器,用于转换的编码器 将模拟信号转换成PCM输出信号,用于将PCM输入信号转换为模拟信号的解码器,用于仅通过声带的信号的低通滤波器,用于补偿接收侧增益控制器的接收侧增益控制器, 用于衰减阶梯形式的高频信号的平滑滤波器,用于处理信号以直接驱动线路用户信号的运算放大器,以及用于连接上述信号的货币计数门 一次计数信号源。