CN1868215B - 用于位精确的胶片颗粒模拟的技术 - Google Patents
用于位精确的胶片颗粒模拟的技术 Download PDFInfo
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- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
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- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
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- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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Abstract
Description
胶片颗粒参数 | 描述和限制 |
model_id | 此参数指定模拟模型。它将是0,其将胶片颗粒模拟模型标识为频率滤波。 |
separate_colour_description_present_flag | 此参数指定在其中估计所述参数的颜色空间是否与在其中已经将视频序列(胶片颗粒SEI消息已经被嵌入其中)编码的颜色空间不同。它将是0,其将胶片颗粒的颜色空间标识为与编码序列相同。 |
blending_mode_id | 此参数标识用来将所模拟的胶片颗粒和解码后的图像混合的混合模式。它将是0,其对应附加(additive)混合模式。 |
log2_scale_factor | 此参数标识用来表示SEI消息中的胶片颗粒参数的对数比例因子。它将在范围[0,4]内,以确保可以使用16位算术来进行胶片颗粒模拟。 |
comp_model_present_flag[1] | 此参数允许YCbCr颜色空间中的Cb颜色分量的胶片颗粒参数的传送。它将是0,因为不支持在色度上的胶片颗粒模拟。 |
comp_model_present_flag[2] | 此参数允许YCbCr颜色空间中的Cr颜色分量的胶片颗粒参数的传送。它将是0,因为不支持在色度上的胶片颗粒模拟。 |
no_intensity_intervals_minus 1[0] | 此参数定义已经为其估计了特定的一组参数的强度间隔的数目。它将在范围[0,7]内。 |
intensity_interval_lower_bound[0][i+1],intensity_interval_upper_bound[0][i], | 这些参数定义为其定义了不同胶片颗粒参数的亮度(luma)强度间隔的边界。因为不允许多代(multigenerational)胶片颗粒,所以间隔i+1的下界必须大于间隔i的上界。 |
num_model_values_minus 1[0] | 此参数指定为在其中已经模仿了胶片颗粒的每个强度间隔提供的模型值的数目。因为不允许颜色相关,所以它将在范围[0,4]内。 |
comp_model_value[0][i][0] | 此参数表示在其中已经模仿了胶片颗粒的每个亮度强度间隔的胶片颗粒强度。它将在范围[0,255]内,以便确保可以使用16位算术来进行胶片颗粒模拟。 |
a | b | c | d |
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US51102603P | 2003-10-14 | 2003-10-14 | |
US60/511,026 | 2003-10-14 | ||
PCT/US2004/033713 WO2005039189A1 (en) | 2003-10-14 | 2004-10-12 | Technique for bit-accurate film grain simulation |
Publications (2)
Publication Number | Publication Date |
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CN1868215A CN1868215A (zh) | 2006-11-22 |
CN1868215B true CN1868215B (zh) | 2012-10-03 |
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CN2004800300087A Expired - Fee Related CN1868215B (zh) | 2003-10-14 | 2004-10-12 | 用于位精确的胶片颗粒模拟的技术 |
CN200480030348XA Expired - Lifetime CN1868216B (zh) | 2003-10-14 | 2004-10-12 | 用于减少视频图像中的主观伪像的方法和装置 |
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CN200480030348XA Expired - Lifetime CN1868216B (zh) | 2003-10-14 | 2004-10-12 | 用于减少视频图像中的主观伪像的方法和装置 |
Country Status (17)
Country | Link |
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US (1) | US8238613B2 (zh) |
EP (2) | EP1673943A1 (zh) |
JP (2) | JP4685021B2 (zh) |
KR (2) | KR100989897B1 (zh) |
CN (2) | CN1868215B (zh) |
AU (1) | AU2004306878B2 (zh) |
BR (2) | BRPI0415307A (zh) |
CA (1) | CA2540852C (zh) |
ES (1) | ES2749373T3 (zh) |
HK (1) | HK1096515A1 (zh) |
HU (1) | HUE046111T2 (zh) |
MX (2) | MXPA06004097A (zh) |
PL (1) | PL1673944T3 (zh) |
PT (1) | PT1673944T (zh) |
RU (1) | RU2340944C2 (zh) |
SG (1) | SG147440A1 (zh) |
WO (2) | WO2005039188A1 (zh) |
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