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Abstract
Clear statement of the four criteria used in the report to assess the technology.Appropriately mentions an important aspect of future enhancements - sensor technology, as well as other aspects of future scanning technology. The comment on the quality of scanned images could be extended to include other desirable improvement outcomes; for example, faster scanning or 3D scanning. This report investigates the current state of scanner technology and examines the predicted future advancements of scanners. A brief history of the scanner and its operation is initially outlined. The discussion then focuses on the advantages and limitations of the five main types of scanners in common use today: drum, flatbed, sheet-fed, slide, and hand held scanners. The performance of these scanners is examined in relation to four main criteria: resolution, bit-depth, dynamic range and software. It is concluded that further technological advances in these four areas as well as the deployment of new sensor technology will continue to improve the quality of scanned images. It is also suggested that specialised scanners will increasingly be incorporated into other types of technology such as digital cameras.
Clear, well-organised Table of Contents. Table of contents Abstract i
1.0 Introduction 1
2.0 How scanners work 2
3.0 Types of scanners 2 3.1 Drum scanners 2 3.2 Flatbed scanners 2 3.3 Sheet-fed scanners 2 3.4 Slide scanners 3 3.5 Hand held scanners 3
4.0 Scanner specifications 3 4.1 Resolution 3 4.2 Bit-depth 4 4.3 Dynamic range 4 4.4 Software 4
5.0 Future developments 5
6.0 Conclusion 5
7.0 Reference list 5 Appendicies 6 Appendix 1 Image Sensor Scanner 8 Appendix 2 Frequently Used References 9 Appendix 2.1 Scanner Tips 10 Appendix 2.2 Scanners, Digital Cameras and Photo CDs 11 Appendix 2.3 The PC Technology Guide 12
Student name:
Student number:
Tutor name:
Tutorial time:
Abstract
Clear statement of the four criteria used in the report to assess the technology.Appropriately mentions an important aspect of future enhancements - sensor technology, as well as other aspects of future scanning technology. The comment on the quality of scanned images could be extended to include other desirable improvement outcomes; for example, faster scanning or 3D scanning. This report investigates the current state of scanner technology and examines the predicted future advancements of scanners. A brief history of the scanner and its operation is initially outlined. The discussion then focuses on the advantages and limitations of the five main types of scanners in common use today: drum, flatbed, sheet-fed, slide, and hand held scanners. The performance of these scanners is examined in relation to four main criteria: resolution, bit-depth, dynamic range and software. It is concluded that further technological advances in these four areas as well as the deployment of new sensor technology will continue to improve the quality of scanned images. It is also suggested that specialised scanners will increasingly be incorporated into other types of technology such as digital cameras.
Clear, well-organised Table of Contents. Table of contents Abstract i
1.0 Introduction 1
2.0 How scanners work 2
3.0 Types of scanners 2 3.1 Drum scanners 2 3.2 Flatbed scanners 2 3.3 Sheet-fed scanners 2 3.4 Slide scanners 3 3.5 Hand held scanners 3
4.0 Scanner specifications 3 4.1 Resolution 3 4.2 Bit-depth 4 4.3 Dynamic range 4 4.4 Software 4
5.0 Future developments 5
6.0 Conclusion 5
7.0 Reference list 5 Appendicies 6 Appendix 1 Image Sensor Scanner 8 Appendix 2 Frequently Used References 9 Appendix 2.1 Scanner Tips 10 Appendix 2.2 Scanners, Digital Cameras and Photo CDs 11 Appendix 2.3 The PC Technology Guide 12