L81 计算机图形 标准查询与下载
共找到 851 条与 计算机图形 相关的标准，共 57 页
本标准规定了计算机图形元文卷的一种字符编码。对本系列标准第一部分中规定的每个元素都规定了一个编码。 计算机图形元文卷的编码提供了高度压缩的元文卷表示，它适用于要求最小的元文卷大小的应用及面向字符传输服务的传输。
Information processing systems--Computer graphics--Metafile for storage and transfer of picture description information--Part 2: Character encoding
- ICS
- 35.140
- CCS
- L81
- 发布
- 1994-07-16
- 实施
- 1995-03-01
1.1?This practice describes the method to be used for calculating tables of weighting factors for tristimulus integration using custom spectral power distributions of illuminants or sources, or custom color-matching functions. 1.2?The values stated in SI units are to be regarde
Standard Practice for Calculation of Weighting Factors for Tristimulus Integration
- ICS
- CCS
- L81
- 发布
- 2021
- 实施
Content distribution network technology requirements, application scenarios and needs
- ICS
- 33.160.60
- CCS
- L81
- 发布
- 2018-12-21
- 实施
- 2019-04-01
Information technology - Multimedia framework (MPEG-21) - Part 21: Media contract ontology
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2017-05
- 实施
Information technology - Scalable compression and coding of continuous-tone still images - Part 7: HDR Floating-Point Coding
- ICS
- 35.040.30
- CCS
- L81
- 发布
- 2017-05
- 实施
Information technology - Coding of audio-visual objects - Part 3: Audio - Amendment 6: Profiles, levels and downmixing method for 22.2 channel programs
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2017-03
- 实施
Information technology - Coding of audio-visual objects - Part 15: Carriage of network abstraction layer (NAL) unit structured video in the ISO base media file format
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2017-02
- 实施
Information technology - Coding of audio-visual objects - Part 5: Reference software; Amendment 24: Reference software for AAC-ELD; Technical Corrigendum 3
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2017-02
- 实施
Information technology - Media context and control - Part 7: Conformance and reference software
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2017-01
- 实施
4.1 This standard provides a test method for obtaining the point-to-point distance measurement errors for medium-range 3D imaging systems. The results from this test method may be used to evaluate or to verify the point-to-point distance measurement performance of medium-range 3D imaging systems. The results from this test method may also be used to compare performance among different instruments. 4.2 The purpose of this document is to provide test procedures that are sensitive to instrument error sources. The point-to-point distance measurement performance of the IUT obtained by the application of this test method may be different from the point-to-point distance measurement performance of the IUT under some real-world conditions. For example, object geometry, texture, surface reflectance factor, and temperature, as well as particulate matter, thermal gradients, atmospheric pressure, humidity, ambient lighting in the environment, mechanical vibrations, and wind induced test setup instability will affect the point-to-point distance measurement performance (see Appendix X10 for a discussion on thermal effects). A derived-point such as the center of a suitable sphere or plate target that meets the requirements described in Section 7 provides a reliable point in space that is minimally impacted by target-related properties such as geometry, surface texture, color, and reflectivity. Additional tests not described in this standard may be required to assess the contribution of these influence factors on point-to-point distance measurements. 4.3 The test may be carried out for instrument acceptance, warranty or contractual purposes by mutual agreement between the manufacturer and the user. The IUT is tested in accordance with manufacturer-supplied specifications, rated conditions, and technical documentation. 4.4 For the purposes of understanding the behavior of the IUT and without warranty implications, this test may be modified as necessary to evaluate the point-to-point distance measurement performance of the IUT outside the manufacturer’s rated conditions, but within the manufacturer’s limiting conditions. 4.5 The manufacturer may provide different performance specification values for different sets of rated conditions, for example, better point-to-point distance measurement performance might be specified under a set of more restrictive environmental conditions. The user is advised that the IUT’s performance may differ significantly in other modes of operation, with other instrument settings, or outside the rated conditions, and should consult the manufacturer for performance specifications of the operating mode and instrument settings that best represent the planned usage. 4.6 This standard is intended to expand and complement the ranging tests described in Test Method E2938. While Test Method E2938 specifically describes the evaluation of the ranging capability of any medium-range 3D imaging system, this standard provides test procedures to evaluate the point-to-point distance error due to the combined effect from angular and ranging errors of a particular type of these systems, that is, spherical coordinate 3D imaging systems.
Standard Test Method for Evaluating the Point-to-Point Distance Measurement Performance of Spherical Coordinate 3D Imaging Systems in the Medium Range
- ICS
- 17.040.99 ; 35.140
- CCS
- L81
- 发布
- 2017
- 实施
Information technology - Multimedia service platform technologies - Part 2: MPEG extensible middleware (MXM) API
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2016-12
- 实施
Information technology - Coding of audio-visual objects - Part 16: Animation Framework eXtension (AFX) - Amendment 3: Printing material and 3D graphics coding for browsers
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2016-12
- 实施
Information technology - Multimedia service platform technologies - Part 3: Conformance and reference software
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2016-12
- 实施
Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 45: Conformance Testing for the Multi-resolution Frame Compatible Stereo Coding with Depth Maps Extension of AVC
- ICS
- 35.040.40
- CCS
- L81
- 发布
- 2016-11
- 实施
Information technology - JPEG 2000 image coding system: Core coding system
- ICS
- 35.040.30
- CCS
- L81
- 发布
- 2016-10
- 实施
Information technologies - JPEG Systems - Part 2: Transport mechanisms and packaging
- ICS
- 35.040.30
- CCS
- L81
- 发布
- 2016-10
- 实施
Electronic still picture imaging. Removable memory. XMP for digital photography
- ICS
- 37.040.99
- CCS
- L81
- 发布
- 2016-06-30
- 实施
- 2016-06-30
Information technology - JPEG Systems - Part 1: Packaging of information using codestreams and file formats
- ICS
- 35.040.30
- CCS
- L81
- 发布
- 2016-03
- 实施
Information technology - Automatic identification and data capture (AIDC) techniques - Harmonized vocabulary
- ICS
- 01.040.35;35.040;35.240.60
- CCS
- L81
- 发布
- 2016-02
- 实施
Information technology - Computer graphics, image processing and environmental data representation - Extensible 3D (X3D) encodings - Part 2: Classic VRML encoding
- ICS
- 35.140
- CCS
- L81
- 发布
- 2015-12
- 实施
