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    • 2. 发明授权
    • Pixel replacement
    • 像素更换
    • US08391647B1
    • 2013-03-05
    • US12706848
    • 2010-02-17
    • Jay S. Gondek
    • Jay S. Gondek
    • G06K9/32
    • G06T3/403
    • In one embodiment, a plurality of target pixels within a digital representation of an image are selected, and a corner gradient pattern is determined for each of the target pixels. The corner gradient pattern is analyzed to classify the target pixel as an edge pixel or a non-edge pixel. If the target pixel is a non-edge pixel, target pixel is replaced with a plurality of non-edge output pixels. If the target pixel is an edge pixel, the target pixel is replaced with a plurality of edge output pixels, including determination of an orientation of an edge, and selection, based on the orientation, and application of a filter kernel to produce the edge output pixels to replace the target pixel.
    • 在一个实施例中,选择图像的数字表示内的多个目标像素,并且针对每个目标像素确定角落梯度图案。 分析角渐变图案以将目标像素分类为边缘像素或非边缘像素。 如果目标像素是非边缘像素,则用多个非边缘输出像素代替目标像素。 如果目标像素是边缘像素,则将目标像素替换为多个边缘输出像素,包括确定边缘的方向,以及基于取向和选择,以及滤波器核的应用以产生边缘输出 像素来替换目标像素。
    • 3. 发明申请
    • PRINTING SYSTEM AND METHOD THEREOF
    • 打印系统及其方法
    • US20110317188A1
    • 2011-12-29
    • US13255371
    • 2009-04-30
    • Jay S. GondekJefferson P. WardJason M. Quintana
    • Jay S. GondekJefferson P. WardJason M. Quintana
    • H04N1/60
    • B41J2/17566
    • A printing method includes obtaining an initial printer profile corresponding to a printing system having a plurality of ink colors, identifying a remaining ink parameter corresponding to each of the ink colors, and determining whether the remaining ink parameter of each of the ink colors are approximately equal to each other such that: performing a print job using the initial printer profile when the remaining ink parameter determination is that the remaining ink parameter of each of the ink colors are approximately equal to each other, and determining a modified printer profile by selectively changing color saturation for one or more of the ink colors to balance ink usage and performing the print job using the modified printer profile when the remaining ink parameter determination is that the remaining ink parameter of each of the ink colors are not approximately equal to each other.
    • 打印方法包括获得与具有多种墨水颜色的打印系统相对应的初始打印机配置文件,识别与每个墨水颜色对应的剩余墨水参数,以及确定每个墨水颜色的剩余墨水参数是否近似相等 使得当剩余墨水参数确定是每个墨水颜色的剩余墨水参数彼此近似相等时,使用初始打印机配置文件执行打印作业,并且通过选择性地改变颜色来确定修改的打印机配置文件 当剩余墨水参数确定是每个墨水颜色的剩余墨水参数彼此不近似时,一个或多个墨水颜色的饱和度用于平衡墨水使用并且使用改进的打印机配置文件执行打印作业。
    • 6. 发明授权
    • Image data compression method
    • 图像数据压缩方法
    • US06972868B1
    • 2005-12-06
    • US09710810
    • 2000-11-09
    • Jay S. GondekRanjit BhaskarSteven O. Miller
    • Jay S. GondekRanjit BhaskarSteven O. Miller
    • H04N7/26H03M7/46H04N1/41H04N1/415G06F15/00G06K9/46
    • H04N1/41
    • A method of compressing a set of image data organized into a matrix of pixels includes selecting a multi-pixel block portion of the data, then performing a mathematical function on the multi-pixel block portion to generate a first result. The multi-pixel block portion is divided into at least two segments, and a function is performed on each of the segments to generate a second result and a third result. Based on a comparison of the first, second, and third results, determining whether or not to compress the multi-pixel block portion. The function may be a deviation or mean measurement and serve to determine the noise level and image detail level to determine whether to compress or divide the block into sub blocks. Sub blocks may be recursively analyzed for compression or subdivision until all sub blocks are compressed or divided into single pixels.
    • 压缩被组织成像素矩阵的一组图像数据的方法包括选择数据的多像素块部分,然后在多像素块部分上执行数学函数以产生第一结果。 多像素块部分被划分为至少两个段,并且对每个段执行功能以产生第二结果和第三结果。 基于第一,第二和第三结果的比较,确定是否压缩多像素块部分。 该功能可以是偏差或平均测量,并且用于确定噪声水平和图像细节水平,以确定是否将块压缩或划分成子块。 可以递归地分析子块以进行压缩或细分,直到所有子块被压缩或分成单个像素。
    • 7. 发明授权
    • Tone dependent plane dependent error diffusion halftoning
    • 色调依赖平面依赖误差扩散半色调
    • US06501564B1
    • 2002-12-31
    • US09307064
    • 1999-05-07
    • Morgan Thomas SchrammJay S. Gondek
    • Morgan Thomas SchrammJay S. Gondek
    • G06K1500
    • H04N1/52
    • Tone dependent plane dependent error diffusion halftoning takes into account multiple color planes, such as cyan and magenta, when determining the placement of a dot in any of the color planes. The combined tones of the correlated color planes is used to determine the threshold levels against which the combined tones and the accumulated errors for the correlated color planes is compared. Further, tone dependent error weightings are determined based on the combined tones of the correlated color planes. The tone dependent error weightings are used to diffuse the final accumulated errors for each color plane. A prerendered mid-tone bitmap may be used to break up any structured patterns that occur in the mid-tones. Using this technique, printed dots of two or more colors are dispersed so as to avoid noticeable clumping of dots of two or more colors to provide a more uniform pattern and to avoid the unintentional overlapping of colors. This technique can be used to augment any existing error diffusion method.
    • 当确定任何一个色平面上的点的位置时,与音调相关的平面相关误差扩散半色调考虑了多个颜色平面,例如青色和洋红色。 相关色彩平面的组合色调被用于确定比较相关色彩的组合色调和累积误差的阈值水平。 此外,基于相关色平面的组合色调来确定与音调相关的误加权。 使用音调相关误差加权来扩散每个彩色平面的最终累积误差。 可以使用预渲染的中调位图来分解在中间色调中发生的任何结构化图案。 使用这种技术,分散了两种或更多种颜色的印刷点,以避免两种或多种颜色的点的明显聚集,以提供更均匀的图案并避免颜色的无意重叠。 该技术可用于增加任何现有的误差扩散方法。
    • 9. 发明授权
    • Plane dependent matrix based halftoning
    • 基于平面依赖矩阵的半色调
    • US06870645B1
    • 2005-03-22
    • US09678642
    • 2000-10-03
    • Morgan T. SchrammJay S. Gondek
    • Morgan T. SchrammJay S. Gondek
    • B41J2/21B41J2/52B41J2/525G06T5/00H04N1/405H04N1/52H04N1/40
    • H04N1/52
    • An embodiment of a halftoning method reduces the grainy appearance resulting from overlap of cyan and magenta colorants using a single threshold matrix for both the cyan and the magenta color planes. The cyan color value and the magenta color value for a pixel are summed. If the sum is greater than the maximum possible color value by at least the corresponding matrix threshold value, both cyan and magenta colorants are placed on the pixel. If the sum is not greater than the maximum possible color value by at least the corresponding matrix threshold value, then the smallest of the cyan color value and the magenta color value is compared to the corresponding matrix threshold value. If this smallest color value is greater than the corresponding matrix threshold value, the corresponding colorant is placed on the pixel. Otherwise, the other colorant is placed on the pixel. If the sum is less the maximum possible color value, then the sum is compared to the corresponding matrix threshold value. If the sum is greater than the corresponding matrix threshold value, colorant will be placed on the pixel. The smallest of the cyan color value and the magenta color value is compared to the corresponding matrix threshold value. If this smallest color value is greater than the corresponding matrix threshold value, the corresponding colorant is placed on the pixel. Otherwise, the other colorant is placed on the pixel.
    • 半色调方法的一个实施方案使用青色和品红色平面的单个阈值矩阵来减少由青色和品红色着色剂的重叠产生的颗粒状外观。 将像素的青色色值和品红色值相加。 如果总和大于最大可能颜色值至少相应的矩阵阈值,青色和品红色着色剂都被放置在像素上。 如果总和不大于最大可能颜色值至少相应的矩阵阈值,则将最小的青色值和品红色颜色值与相应的矩阵阈值进行比较。 如果该最小颜色值大于相应的矩阵阈值,则相应的着色剂被放置在像素上。 否则,其他着色剂被放置在像素上。 如果总和小于最大可能的颜色值,则将和与相应的矩阵阈值进行比较。 如果总和大于相应的矩阵阈值,则着色剂将被放置在像素上。 将最小的青色色值和品红色颜色值与相应的矩阵阈值进行比较。 如果该最小颜色值大于相应的矩阵阈值,则相应的着色剂被放置在像素上。 否则,其他着色剂被放置在像素上。
    • 10. 发明授权
    • Method for storing, accessing, transforming, and displaying
multi-variable digital data
    • 用于存储,访问,转换和显示多变量数字数据的方法
    • US6137495A
    • 2000-10-24
    • US984281
    • 1997-12-03
    • Jay S. Gondek
    • Jay S. Gondek
    • G06T11/00G06T11/40
    • G06T11/001
    • A method of data storage, access, interpolation, and display, particularly suited to colorimetry, is disclosed. From a relatively small, multidimensional, device-independent, data base--or "color map"--a subdivision routine is employed to achieve an interpolative data base of relatively immense size. For example, color data input for an image from an RGB monitor is converted to a correlated CMYK printer output. The routine is commercially fast and economical. The iterative process can be selectively controlled to achieve a variety of levels of interpolation and to emulate true interpolation algorithms such as trilinear and quadrilinear interpolation formulas without requiring sophisticated and expensive hardware.
    • 公开了一种特别适合于比色法的数据存储,访问,插值和显示的方法。 从相对较小的,多维的,与设备无关的数据库或“颜色映射” - 采用细分例程来实现相对巨大尺寸的内插数据库。 例如,从RGB监视器输入的图像的颜色数据被转换成相关的CMYK打印机输出。 该程序是商业上快速和经济的。 可以选择性地控制迭代过程以实现各种级别的插值,并且模拟真正的插值算法,例如三线性和四线性插值公式,而不需要复杂且昂贵的硬件。