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    • 2. 发明授权
    • Transforms for digital images
    • 数字图像变换
    • US5913014A
    • 1999-06-15
    • US897868
    • 1997-07-21
    • Paul B. Gilman, Jr.Elizabeth McInerneyRichard M. Vogel
    • Paul B. Gilman, Jr.Elizabeth McInerneyRichard M. Vogel
    • H04N1/407H04N1/60
    • H04N1/6094H04N1/407H04N1/6097
    • A method for constructing a transform for a predetermined display or printer, such printer being adapted to form a black and white or color print, on a particular medium, the input to the transform being a digital image file produced by a particular image capture device including providing an input characteristic curve which is a function of the output color code values from the image capture device and relative log exposure of the scene; providing an aim curve which is a function of the visual density of the display or colored print and the image capture relative log exposure wherein the mid region of the aim curve has a range of contrasts between 1.00 and 1.30 to a relative log exposure of 0.6 above scene white and a mid-scale contrast of between 1.0 and 1.7 at a relative log exposure of 1.45 above scene white and the shoulder of the curve ends at the maximum density Dmax) of the particular medium and the toe of the curve ends substantially at the minimum density (Dmin) of the particular display or medium; and providing an output characteristic curve which is a function of the input color code values to the predetermined display or printer and the visual density from a display or print on a particular medium. The method further includes using the aim curve, the input characteristic curve, and the output characteristic curve to produce the transform.
    • 一种用于构建用于预定显示器或打印机的转换的方法,所述打印机适于在特定介质上形成黑白或彩色打印,所述变换的输入是由特定图像捕获装置产生的数字图像文件,包括 提供作为来自图像捕获装置的输出颜色代码值和场景的相对日志曝光的函数的输入特性曲线; 提供了目标曲线,其是显示器或彩色打印件的视觉密度和图像捕获相对日志曝光的函数,其中目标曲线的中间区域的对比范围在1.00和1.30之间,相对对数曝光值为0.6以上 场景白色,中等尺度对比度在1.0和1.7之间,在场景白色的1.45以上的相对对数曝光和曲线的肩部以最大密度Dmax结束),并且曲线的脚趾基本上在 特定显示器或介质的最小密度(Dmin); 并且提供与预定显示器或打印机的输入颜色代码值的函数的输出特性曲线以及来自特定介质上的显示或打印的视觉浓度。 该方法还包括使用目标曲线,输入特性曲线和输出特性曲线来产生变换。
    • 4. 发明授权
    • Transform for digital images
    • 数字图像变换
    • US06229624B1
    • 2001-05-08
    • US09057903
    • 1998-04-09
    • Paul B. GilmanJohn F. Hamilton, Jr.Richard M. Vogel
    • Paul B. GilmanJohn F. Hamilton, Jr.Richard M. Vogel
    • B41B1500
    • H04N1/6027H04N1/6086H04N1/6088H04N1/6097
    • A method for selecting an aim curve for a desired medium having a predetermined maximum density, including selecting an aim curve from a family of aim curves for a different medium having a lower predetermined maximum density than that of the desired medium, the aim curve having shadow, midtone, and highlight regions; varying the shadow contrast in the shadow region of the selected aim curve to produce a different aim curve; and determining the different aim curve with the desired medium that has an improved shadow contrast that will produce prints with reduced flare and permits a better fit of the dynamic range of the original scene to the dynamic range of the medium.
    • 一种用于选择具有预定最大密度的期望介质的目标曲线的方法,包括从具有比预期介质的预定最大密度低的不同介质的目标曲线族选择目标曲线,目标曲线具有阴影 ,中音和高光区域; 改变所选目标曲线的阴影区域中的阴影对比度,以产生不同的目标曲线; 并且使用具有改善的阴影对比度的期望介质来确定不同的目标曲线,该对比度将产生具有减少的耀斑的打印,并且允许将原始场景的动态范围更好地拟合到介质的动态范围。
    • 5. 发明授权
    • Still video camera having video synchronized to drive motor phase
    • 静态摄像机具有视频同步来驱动电机相位
    • US4999714A
    • 1991-03-12
    • US376184
    • 1989-07-06
    • Richard M. VogelMitchell J. Milton
    • Richard M. VogelMitchell J. Milton
    • G11B19/28G11B31/00H04N1/21H04N5/932
    • H04N1/0044G11B19/28G11B31/006H04N1/2112H04N5/932H04N2101/00Y10S358/906
    • A still video camera produces a still signal for recording on a magnetic disk and a movie signal for displaying in an electronic viewfinder. In recording the still picture . . . after previewing the scene in the viewfinder . . . , a vertical synchronizing signal is recorded in predetermined relation to a reference position on the disk. Instead of phase locking the disk drive to the vertical synchronizing signal, the time base of the camera is "locked" to variations in the location (phase) of the reference position. The camera is thus affected by a relatively instantaneous reset of the time base rather than an inertially-limited adjustment of the drive motor, which tends to "blind" the electronic viewfinder for the duration and renders previewing unacceptable. By attempting the video reset only after the disk has been stabilized at a standard velocity (by a velocity servo) and by "windowing" the reference position for "acceptable" phase error, the viewfinder is further unburdened of visually-disruptive effects that impede effective still photography.
    • 静止摄像机产生用于在磁盘上记录的静止信号和用于在电子取景器中显示的电影信号。 录制静态图片。 。 。 预览取景器中的场景。 。 。 垂直同步信号以预定的关系被记录在盘上的参考位置上。 代替将磁盘驱动器锁定到垂直同步信号,相机的时基被“锁定”到参考位置的位置(相位)的变化。 因此,照相机受到时基的相对瞬时复位的影响,而不是驱动电机的惯性限制调节,这倾向于使电子取景器“持续”一段时间,并使预览变得不可接受。 通过仅在磁盘以标准速度(通过速度伺服)稳定并通过将“参考”位置“加窗”为“可接受的”相位误差之后,仅通过尝试视频复位,取景器将进一步降低妨碍有效的视觉破坏性效果 静物摄影
    • 6. 再颁专利
    • Digital imaging device optimized for color performance
    • 针对彩色性能优化的数字成像设备
    • USRE39712E1
    • 2007-07-03
    • US11405920
    • 2006-04-17
    • Richard M. Vogel
    • Richard M. Vogel
    • H04N5/228
    • H04N9/045H04N9/67H04N2209/046
    • A digital imaging device captures an image and generates a color signal from the image for application to an output device having specific color sensitivities, the imaging device further being one of many devices of the same type useful with the output device. The digital imaging device, for example a digital camera, includes a color sensor for capturing the image and generating a color signal from the captured image, the color sensor having predetermined spectral sensitivities, and an optical section that is interposed in the image light directed to the color sensor, the optical section also having predetermined spectral characteristics. The combination of the spectral sensitivities of the color sensor and the spectral characteristics of the optical section uniquely distinguish this particular imaging device from other imaging devices of the same type. By providing a set of matrix coefficients uniquely determined for this imaging device, the matrix coefficients optimally correct the spectral sensitivities of the color sensor and the spectral characteristics of the optical section for the color sensitivities of the output device.
    • 数字成像装置捕获图像并从图像生成颜色信号以应用于具有特定颜色敏感度的输出装置,该成像装置还是与输出装置有用的许多相同类型的装置之一。 数字成像装置,例如数字照相机,包括用于捕获图像并从捕获的图像产生颜色信号的颜色传感器,具有预定光谱灵敏度的颜色传感器和插入到图像光中的光学部分 颜色传感器,光学部分也具有预定的光谱特性。 颜色传感器的光谱灵敏度与光学部分的光谱特性的组合将该特定成像装置与相同类型的其它成像装置区分开。 通过提供为该成像装置唯一确定的一组矩阵系数,矩阵系数最佳地校正颜色传感器的光谱灵敏度和用于输出装置的颜色敏感度的光学部分的光谱特性。
    • 8. 发明授权
    • Dynamic shutter mechanism
    • 动态快门机构
    • US4743108A
    • 1988-05-10
    • US947322
    • 1986-12-29
    • Richard M. VogelMark D. Fiscella
    • Richard M. VogelMark D. Fiscella
    • G03B9/10H04N5/225H04N5/235
    • H04N5/2254G03B9/10H04N5/2353
    • A dynamic shutter mechanism for use with a still or motion video camera which is operable at variable shutter speeds to capture high speed events. The shutter mechanism includes a pair of apertured shutter discs which are independently driven by separate motors. Phase lock loop control circuits lock the speed and phase of each disc to the vertical and horizontal sync rates of the video camera. The video signal produced by the video camera produces a control signal which is indicative of the intensity of light of a captured scene. The control signal controls the speed of the shutter mechanism by changing the relative rotational position of the shutters and consequently the relative exposure aperture. In a preferred shutter mechanism the shutter discs are mounted coaxially and are driven by coaxial disc motors.
    • 一种用于静止或运动摄像机的动态快门机构,其以可变快门速度操作以捕获高速事件。 快门机构包括一对有孔的快门盘,其独立地由单独的马达驱动。 锁相环控制电路将每个光盘的速度和相位锁定到摄像机的垂直和水平同步速率。 由摄像机产生的视频信号产生指示捕获场景的光强度的控制信号。 控制信号通过改变百叶窗的相对旋转位置和相应的曝光孔径来控制快门机构的速度。 在优选的快门机构中,快门盘同轴地安装并由同轴盘式电动机驱动。