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1. 发明授权

US07145572B2 Methods and apparatus for improving the quality of displayed images through the use of display device and display condition information 有权
标题翻译：通过使用显示装置和显示状态信息来提高显示图像质量的方法和装置
公开(公告)号：US07145572B2
公开(公告)日：2006-12-05
申请号：US10691121
申请日：2003-10-22
申请人： Bodin Dresevic , William Hill , Gregory C. Hitchcock , Leroy B. Keely, Jr. , John C. Platt , J. Turner Whitted
发明人： Bodin Dresevic , William Hill , Gregory C. Hitchcock , Leroy B. Keely, Jr. , John C. Platt , J. Turner Whitted
IPC分类号： G09G5/02 , G09G5/10
CPC分类号： G09G5/005 , A63B69/205 , A63B71/023 , A63B2071/027 , A63B2210/50 , G06F1/1607 , G09G5/00 , G09G5/006 , G09G5/02 , G09G2320/02 , G09G2320/028 , G09G2320/06 , G09G2320/0606 , G09G2320/0626 , G09G2320/0666 , G09G2320/0673 , G09G2320/0693 , G09G2340/0407 , G09G2360/144
摘要： The present invention relates to methods and apparatus for increasing the perceived quality of displayed images. This is achieved in a variety of ways including the use of a plurality of device specific display characteristics when preparing images for display. It is also achieved through the monitoring of display device and/or ambient light conditions, e.g., on a periodic basis, and using the obtained information when controlling display output. Another approach to improving the perceived quality of displayed images involves the use of information relating to a specific user's ability to perceive image characteristics such as color. By customizing display output to an individual user's own physical perception capabilities and/or viewing characteristics it is possible to enhance the image quality perceived by the individual viewer as compared to embodiments which do not take into consideration individual user characteristics.
摘要翻译：本发明涉及增加显示图像感知质量的方法和装置。这可以通过各种方式实现，包括在准备用于显示的图像时使用多个设备特定的显示特性。还可以通过例如周期性地监视显示装置和/或环境光条件，并且在控制显示输出时使用获得的信息来实现。提高显示图像的感知质量的另一种方法涉及使用与特定用户感知诸如颜色的图像特征的能力有关的信息。通过将显示输出定制为单个用户自己的物理感知能力和/或观看特征，与不考虑个别用户特征的实施例相比，可以增强单个观看者感知到的图像质量。

2. 发明授权

US06674436B1 Methods and apparatus for improving the quality of displayed images through the use of display device and display condition information 有权
标题翻译：通过使用显示装置和显示状态信息来提高显示图像质量的方法和装置
公开(公告)号：US06674436B1
公开(公告)日：2004-01-06
申请号：US09364649
申请日：1999-07-30
申请人： Bodin Dresevic , William Hill , Gregory Hitchcock , Leroy B. Keely , John C. Platt , J. Turner Whitted
发明人： Bodin Dresevic , William Hill , Gregory Hitchcock , Leroy B. Keely , John C. Platt , J. Turner Whitted
IPC分类号： G09G526
CPC分类号： G09G5/005 , G06F1/1607 , G09G5/00 , G09G5/006 , G09G5/02 , G09G2320/02 , G09G2320/0276 , G09G2320/028 , G09G2320/043 , G09G2320/06 , G09G2320/0606 , G09G2320/0626 , G09G2320/0666 , G09G2320/0673 , G09G2320/0693 , G09G2320/08 , G09G2340/0407 , G09G2340/0457 , G09G2360/144
摘要： The present invention relates to methods and apparatus for increasing the perceived quality of displayed images. This is achieved in a variety of ways including the use of a plurality of device specific display characteristics when preparing images for display. It is also achieved through the monitoring of display device and/or ambient light conditions, e.g., on a periodic basis, and using the obtained information when controlling display output. Another approach to improving the perceived quality of displayed images involves the use of information relating to a specific user's ability to perceive image characteristics such as color. By customizing display output to an individual user's own physical perception capabilities and/or viewing characteristics it is possible to enhance the image quality perceived by the individual viewer as compared to embodiments which do not take into consideration individual user characteristics.
摘要翻译：本发明涉及增加显示图像感知质量的方法和装置。这可以通过各种方式实现，包括在准备用于显示的图像时使用多个设备特定的显示特性。还可以通过例如周期性地监视显示装置和/或环境光条件，并且在控制显示输出时使用获得的信息来实现。提高显示图像的感知质量的另一种方法涉及使用与特定用户感知诸如颜色的图像特征的能力有关的信息。通过将显示输出定制为单个用户自己的物理感知能力和/或观看特征，与不考虑个别用户特征的实施例相比，可以增强单个观看者感知到的图像质量。

3. 发明授权

US07134091B2 Quality of displayed images with user preference information 有权
标题翻译：显示图像质量与用户偏好信息
公开(公告)号：US07134091B2
公开(公告)日：2006-11-07
申请号：US10603537
申请日：2003-06-24
申请人： Bodin Dresevic , William Hill , Gregory Hitchcock , Leroy B. Keely , John C. Platt , J. Turner Whitted
发明人： Bodin Dresevic , William Hill , Gregory Hitchcock , Leroy B. Keely , John C. Platt , J. Turner Whitted
IPC分类号： G06F3/00 , G06F3/14
CPC分类号： G09G5/005 , G06F1/1607 , G09G5/00 , G09G5/006 , G09G5/02 , G09G2320/02 , G09G2320/028 , G09G2320/06 , G09G2320/0606 , G09G2320/0626 , G09G2320/0666 , G09G2320/0673 , G09G2320/0693 , G09G2340/0407 , G09G2340/0457 , G09G2360/144
摘要： The present invention relates to methods and apparatus for increasing the perceived quality of displayed images. This is achieved in a variety of ways including the use of a plurality of device specific display characteristics when preparing images for display. It is also achieved through the monitoring of display device and/or ambient light conditions, e.g., on a periodic basis, and using the obtained information when controlling display output. Another approach to improving the perceived quality of displayed images involves the use of information relating to a specific user's ability to perceive image characteristics such as color. By customizing display output to an individual user's own physical perception capabilities and/or viewing characteristics it is possible to enhance the image quality perceived by the individual viewer as compared to embodiments which do not take into consideration individual user characteristics.
摘要翻译：本发明涉及增加显示图像感知质量的方法和装置。这可以通过各种方式实现，包括在准备用于显示的图像时使用多个设备特定的显示特性。还可以通过例如周期性地监视显示装置和/或环境光条件，并且在控制显示输出时使用获得的信息来实现。提高显示图像的感知质量的另一种方法涉及使用与特定用户感知诸如颜色的图像特征的能力有关的信息。通过将显示输出定制为单个用户自己的物理感知能力和/或观看特征，与不考虑个别用户特征的实施例相比，可以增强单个观看者感知到的图像质量。

4. 发明授权

US06624828B1 Method and apparatus for improving the quality of displayed images through the use of user reference information 有权
标题翻译：通过使用用户参考信息来提高显示图像质量的方法和装置
公开(公告)号：US06624828B1
公开(公告)日：2003-09-23
申请号：US09364648
申请日：1999-07-30
申请人： Bodin Dresevic , William Hill , Gregory Hitchcock , Leroy B. Keely , John C. Platt , J. Turner Whitted
发明人： Bodin Dresevic , William Hill , Gregory Hitchcock , Leroy B. Keely , John C. Platt , J. Turner Whitted
IPC分类号： G06F300
CPC分类号： G09G5/005 , G06F1/1607 , G09G5/00 , G09G5/006 , G09G5/02 , G09G2320/02 , G09G2320/0276 , G09G2320/028 , G09G2320/043 , G09G2320/06 , G09G2320/0606 , G09G2320/0626 , G09G2320/0666 , G09G2320/0673 , G09G2320/0693 , G09G2320/08 , G09G2340/0407 , G09G2340/0457 , G09G2360/144
摘要： The present invention relates to methods and apparatus for increasing the perceived quality of displayed images. This is achieved in a variety of ways including the use of a plurality of device specific display characteristics when preparing images for display. It is also achieved through the monitoring of display device and/or ambient light conditions, e.g., on a periodic basis, and using the obtained information when controlling display output. Another approach to improving the perceived quality of displayed images involves the use of information relating to a specific user's ability to perceive image characteristics such as color. By customizing display output to an individual user's own physical perception capabilities and/or viewing characteristics it is possible to enhance the image quality perceived by the individual viewer as compared to embodiments which do not take into consideration individual user characteristics.
摘要翻译：本发明涉及增加显示图像感知质量的方法和装置。这可以通过各种方式实现，包括在准备用于显示的图像时使用多个设备特定的显示特性。还可以通过例如周期性地监视显示装置和/或环境光条件，并且在控制显示输出时使用获得的信息来实现。提高显示图像的感知质量的另一种方法涉及使用与特定用户感知诸如颜色的图像特征的能力有关的信息。通过将显示输出定制为单个用户自己的物理感知能力和/或观看特征，与不考虑个别用户特征的实施例相比，可以增强单个观看者感知到的图像质量。

5. 发明授权

US06393145B2 Methods apparatus and data structures for enhancing the resolution of images to be rendered on patterned display devices 有权
标题翻译：用于增强在图案化显示装置上呈现的图像的分辨率的方法装置和数据结构
公开(公告)号：US06393145B2
公开(公告)日：2002-05-21
申请号：US09364365
申请日：1999-07-30
申请人： Claude Betrisey , Bodin Dresevic , Donald P. Mitchell , John C. Platt
发明人： Claude Betrisey , Bodin Dresevic , Donald P. Mitchell , John C. Platt
IPC分类号： G06K900
CPC分类号： G09G5/005 , G09G5/006 , G09G5/024 , G09G5/28 , G09G2320/0242 , G09G2320/0276 , G09G2340/0457 , G09G2340/10
摘要： Techniques for improving the resolution of images (either analog images, analytic images, or images having a higher resolution than that of a display device) to be rendered on patterned displays. In one aspect of the present invention, an overscaling or oversampling process may accept analytic character information, such as contours for example, and a scale factor or grid and overscale or oversample the analytic character information to produce an overscaled or oversampled image. The overscaled or oversampled image generated has a higher resolution than the display upon which the character is to be rendered. Displaced samples of the overscaled or oversampled image are then combined (or filtered). An analytic image, such as a line drawing for example, may be applied to the oversampling/overscaling process as was the case with the character analytic image. However, since the analytic image may have different units than that of the character analytic image, the scale factor applied may be different. Since an ultra resolution image is already “digitized”, that is, not merely mathematically expressed contours or lines between points, it may be applied directly to a process for combining displaced samples of the ultra-resolution image to generate another ultra-resolution image (or an image with sub-pixel information). The functionality of the overscaling/oversampling process and the processes for combining displaced samples may be combined into a single step analytic to digital sub-pixel resolution conversion process.
摘要翻译：用于提高在图案化显示器上呈现的图像（模拟图像，分析图像或具有比显示装置的分辨率更高的分辨率的图像）的分辨率的技术。在本发明的一个方面，超标或过采样过程可以接受分析字符信息，例如轮廓，以及比例因子或网格，并且超分析或过采样分析字符信息以产生过度取样或过采样图像。所生成的过大或过采样图像的分辨率要高于要显示字符的显示器。然后组合过滤或过采样图像的位移样本（或过滤）。分析图像，例如线图，可以应用于过采样/超量程过程，如字符分析图像的情况。然而，由于分析图像可能具有与字符分析图像不同的单位，所以应用的比例因子可能不同。由于超分辨率图像已经被“数字化”，即不仅仅是在数学上表达轮廓或点之间的线，所以它可以直接应用于用于组合超分辨率图像的位移样本以产生另一超分辨率图像的处理或具有子像素信息的图像）。过量程/过采样过程的功能和组合移位样本的过程可以组合成单步分析到数字子像素分辨率转换过程。

6. 发明授权

US06360023B1 Adjusting character dimensions to compensate for low contrast character features 有权
标题翻译：调整字符尺寸以补偿低对比度特征
公开(公告)号：US06360023B1
公开(公告)日：2002-03-19
申请号：US09565217
申请日：2000-05-05
申请人： Claude Betrisey , Bodin Dresevic , John C. Platt
发明人： Claude Betrisey , Bodin Dresevic , John C. Platt
IPC分类号： G06F1500
CPC分类号： G06T11/203 , G09G5/28 , G09G2320/0276 , G09G2320/0285 , G09G2340/0457 , G09G2340/10
摘要： Methods and systems for increasing the contrast with which thin-stemmed characters can be displayed in sub-pixel rendering processes are disclosed. Some fonts, such as Courier New, have relatively thin stems and other character features that would otherwise be rendered with low contrast when displayed using an oversampling process combined with a rendering process that treats individual pixel sub-components as separate luminous intensity sources. In order to avoid such low contrast features and to avoid the need for revising the font itself, the alpha values for the pixel sub-components that correspond to the character features are selectively increased to simulate larger dimensions of the character features and to increase the contrast with which the character dimensions are displayed. The methods involve oversampling image data representing a character by obtaining multiple samples for each of a plurality of pixel sub-components of a pixel. The alpha values associated with pixel sub-components at or near the position of the character features are increased to give the appearance of larger dimensions of the character features and greater contrast in the displayed image.
摘要翻译：公开了用于增加在子像素渲染过程中可以显示薄字符的对比度的方法和系统。一些字体，例如Courier New，具有相对较薄的词干和其他字符特征，否则当使用过采样过程与将各个像素子组件视为单独的发光强度源的渲染过程相结合时，以低对比度呈现。为了避免这种低对比度特征并且避免需要修改字体本身，对应于字符特征的像素子部件的α值被选择性地增加以模拟字符特征的较大尺寸并增加对比度显示字符尺寸。该方法包括通过为像素的多个像素子分量中的每一个获得多个样本来对表示字符的图像数据进行过采样。与字符特征位置处或附近的像素子组件相关联的α值被增加以给出显示图像中的角色特征的较大尺寸和较大对比度的外观。

7. 发明授权

US07130480B2 Methods and apparatus for filtering and caching data representing images 有权
标题翻译：用于过滤和缓存表示图像的数据的方法和装置
公开(公告)号：US07130480B2
公开(公告)日：2006-10-31
申请号：US10763098
申请日：2004-01-22
申请人： Claude Betrisey , Bodin Dresevic , John C. Platt
发明人： Claude Betrisey , Bodin Dresevic , John C. Platt
IPC分类号： G06K9/40
CPC分类号： G06T11/203 , G09G5/28 , G09G2320/0276 , G09G2320/0285 , G09G2340/0457 , G09G2340/10
摘要： Methods and apparatus for displaying images, e.g., text characters, on display devices which have multiple separately controllable luminance elements per pixel. Multiple alpha values are generated per pixel, e.g., one per pixel sub-component. Filtering is then performed to generate a filtered alpha value for each pixel sub-component. The filtering operation uses as its input multiple alpha values. The alpha values used for the filtering operation may come from neighboring pixels. Accordingly, in the case where character glyphs are combined to form larger images, e.g., text strings, the filtering operation performed on glyph edge pixels depends on the content of a neighboring character glyph. In one embodiment unfiltered alpha values used to represent character glyphs are stored in a glyph cache. To avoid repeated filtering of character glyphs, in another embodiment, character glyphs are padded along their vertical edges, filtered and then stored in the glyph cache.
摘要翻译：用于在具有每个像素具有多个可单独控制的亮度元素的显示设备上显示图像（例如，文本字符）的方法和装置。每像素生成多个α值，例如每像素一个子分量。然后执行滤波以为每个像素子分量生成滤波的α值。过滤操作用作其输入多个α值。用于滤波操作的alpha值可能来自相邻像素。因此，在字符字形被组合以形成较大图像（例如文本串）的情况下，对字形边缘像素执行的滤波操作取决于相邻字符字形的内容。在一个实施例中，用于表示字符字形的未过滤的α值被存储在字形缓存中。为了避免字符字形的重复过滤，在另一个实施例中，字符字形沿其垂直边缘被填充，被过滤并存储在字形缓存中。

8. 发明授权

US07085412B2 Filtering image data to obtain samples mapped to pixel sub-components of a display device 失效
标题翻译：过滤图像数据以获得映射到显示设备的像素子组件的样本
公开(公告)号：US07085412B2
公开(公告)日：2006-08-01
申请号：US11166658
申请日：2005-06-24
申请人： John C. Platt , Donald P. Mitchell , J. Turner Whitted , James F. Blinn
发明人： John C. Platt , Donald P. Mitchell , J. Turner Whitted , James F. Blinn
IPC分类号： G06K9/00 , G06K9/40 , G06F17/00
CPC分类号： G09G5/005 , G09G5/006 , G09G2320/0242 , G09G2320/0276 , G09G2340/0457
摘要： Image data processing and image rendering methods and systems whereby images are displayed on display devices having pixels with separately controllable pixel sub-components. Image data, such as data encoded in a three-channel signal, is passed through a low-pass filter to remove frequencies higher than a selected cutoff frequency, which obtain samples from the color components of the signal that map spatially different image regions to individual pixel sub-components. It has been found that color aliasing effects can be significantly reduces at a cutoff frequency somewhat higher than the Nyquist frequency, while enhancing the spatial resolution of the image. The image data is then passed through sampling filters, A generalized set of filters includes nine filters, one for each combination of one color and one pixel sub-component. The filtering coefficients of the filters can be selected to optimize of approximate an optimization of an error metric, which represents the color and luminance errors perceived on the display device. In this manner, a desired balance between color accuracy and luminance accuracy can be obtained. The samples mapped to individual pixel sub-components are used to generate luminous intensity values for the displayed image.
摘要翻译：图像数据处理和图像渲染方法和系统，其中图像被显示在具有可分开控制的像素子组件的像素的显示装置上。图像数据，例如以三通道信号编码的数据，通过低通滤波器以去除高于所选截止频率的频率，该频率从将空间不同图像区域映射到个体的信号的颜色分量获得样本像素子组件。已经发现，在提高图像的空间分辨率的截止频率下，颜色混叠效应可以显着地降低到比奈奎斯特频率稍高的截止频率。图像数据然后通过采样滤波器。一组广泛的滤波器包括九个滤波器，一个用于一个颜色和一个像素子组件的每个组合。可以选择滤波器的滤波系数以优化误差度量的近似优化，其表示在显示装置上感知的颜色和亮度误差。以这种方式，可以获得颜色精度和亮度精度之间的期望的平衡。使用映射到各个像素子分量的样本来生成显示图像的亮度值。

9. 发明授权

US06973210B1 Filtering image data to obtain samples mapped to pixel sub-components of a display device 失效
标题翻译：过滤图像数据以获得映射到显示设备的像素子组件的样本
公开(公告)号：US06973210B1
公开(公告)日：2005-12-06
申请号：US09481163
申请日：2000-01-12
申请人： John C. Platt , Donald P. Mitchell , J. Turner Whitted , James F. Blinn
发明人： John C. Platt , Donald P. Mitchell , J. Turner Whitted , James F. Blinn
IPC分类号： G06K9/00 , G06K9/40
CPC分类号： G09G3/20 , G09G2320/02 , G09G2340/0457
摘要： Image data processing and image rendering methods and systems whereby images are displayed on display devices having pixels with separately controllable pixel sub-components. Image data, such as data encoded in a three-channel signal, is passed through a low-pass filter to remove frequencies higher than a selected cutoff frequency, which obtain samples from the color components of the signal that map spatially different image regions to individual pixel sub-components. It has been found that color aliasing effects can be significantly reduces at a cutoff frequency somewhat higher than the Nyquist frequency, while enhancing the spatial resolution of the image. The image data is then pass through sampling filters, A generalized set of filters includes nine filters, one for each combination of one color and one pixel sub-component. The filtering coefficients of the filters can be selected to optimize of approximate an optimization of an error metric, which represents the color and luminance errors perceived on the display device. In this manner, a desired balance between color accuracy and luminance accuracy can be obtained. The samples mapped to individual pixel sub-components are used to generate luminous intensity values for the displayed image.
摘要翻译：图像数据处理和图像渲染方法和系统，其中图像被显示在具有可分开控制的像素子组件的像素的显示装置上。图像数据，例如以三通道信号编码的数据，通过低通滤波器以去除高于所选截止频率的频率，该频率从将空间不同图像区域映射到个体的信号的颜色分量获得样本像素子组件。已经发现，在提高图像的空间分辨率的截止频率下，颜色混叠效应可以显着地降低到比奈奎斯特频率稍高的截止频率。图像数据然后通过采样滤波器。一组广泛的滤波器包括九个滤波器，一个用于一个颜色和一个像素子组件的每个组合。可以选择滤波器的滤波系数以优化误差度量的近似优化，其表示在显示装置上感知的颜色和亮度误差。以这种方式，可以获得颜色精度和亮度精度之间的期望的平衡。使用映射到各个像素子分量的样本来生成显示图像的亮度值。

10. 发明授权

US06738526B1 Method and apparatus for filtering and caching data representing images 有权
标题翻译：用于过滤和缓存表示图像的数据的方法和装置
公开(公告)号：US06738526B1
公开(公告)日：2004-05-18
申请号：US09364647
申请日：1999-07-30
申请人： Claude Betrisey , Bodin Dresevic , John C. Platt
发明人： Claude Betrisey , Bodin Dresevic , John C. Platt
IPC分类号： G06K940
CPC分类号： G06T11/203 , G09G5/28 , G09G2320/0276 , G09G2320/0285 , G09G2340/0457 , G09G2340/10
摘要： Methods and apparatus for displaying images, e.g., text characters, on display devices which have multiple separately controllable luminance elements per pixel are described. Multiple alpha values are generated per pixel, e.g., one per pixel sub-component. Filtering is then performed to generate a filtered alpha value for each pixel sub-component. The filtering operation uses as its input multiple alpha values, e.g., 5 per pixel. The alpha values used for the filtering operation may come from neighboring pixels. Accordingly, in the case where character glyphs are combined to form larger images, e.g., text strings, the filtering operation performed on glyph edge pixels depends on the content of a neighboring character glyph. In one embodiment unfiltered alpha values used to represent character glyphs are stored in a glyph cache. After caching, the unfiltered alpha values from multiple glyphs are combined and then the filtering operation is performed. To avoid repeated filtering of character glyphs, in another embodiment, character glyphs are padded along their vertical edges, filtered and then stored in the glyph cache. Glyphs are output from the cache as required and then combined with filtered alpha values corresponding to overlapping image portions being summed. As a result of the summing processes, correct filtered alpha values are generated along glyph edges for the combined image corresponding to multiple glyphs.
摘要翻译：描述了在具有每个像素具有多个可单独控制的亮度元素的显示设备上显示图像（例如，文本字符）的方法和装置。每像素生成多个α值，例如每像素一个子分量。然后执行滤波以为每个像素子分量生成滤波的α值。滤波操作用作其输入多个α值，例如每像素5个。用于滤波操作的alpha值可能来自相邻像素。因此，在字符字形被组合以形成较大图像（例如文本串）的情况下，对字形边缘像素执行的滤波操作取决于相邻字符字形的内容。在一个实施例中，用于表示字符字形的未过滤的α值被存储在字形缓存中。缓存后，将来自多个字形的未过滤的α值组合，然后进行过滤操作。为了避免字符字形的重复过滤，在另一个实施例中，字符字形沿其垂直边缘被填充，被过滤并存储在字形缓存中。字形根据需要从高速缓存输出，然后与对应于重叠图像部分相加的滤波的α值组合。作为求和过程的结果，对应于多个字形的组合图像，沿着字形边缘生成正确的滤波的α值。

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