Smartek Vision Giganetix GC Series Manual de usuario

User Manual

Giganetix Camera Family

SMARTEK Vision

Business Class Products at Economy Prices

www.SMARTEKvision.com ©SMARTEK d.o.o. 2015, information is subject to change without prior notice, Version 2.1.4 from 2015-02-13

For customers in the U.S.A.

The equipment provided in an enclosure / housing has been tested and found to comply with the limits for a

Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable

protection against harmful interference in a residential installation. This equipment generates, uses and can

radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause

harmful interference to radio communications. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off and on, the user is encouraged to try to

correct the interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

Modiﬁcations not expressly approved in this manual could void the user’s authority to operate the equipment

under FCC rules.

For customers in Canada

This apparatus complies with the Class A limits for radio noise emissions set out in the Radio Interference

Regulations.

Pour utilisateurs au Canada

Cet appareil est conforme aux normes classe A pour bruits radioélectriques, spéciﬁées dans le Règlement

sur le brouillage radioélectrique.

Life support applications

These products are not designed for use in life support systems, appliances or devices where malfunction

of the products can reasonably be expected to result in personal injury. Customers, Integrators and End

Users using or selling these products for use in such applications do so at their own risk and agree to fully

indemnify SMARTEK d.o.o. for any damages resulting from any improper use or sale.

www.SMARTEKvision.com ©SMARTEK d.o.o. 2015, information is subject to change without prior notice, Version 2.1.4 from 2015-02-13

Trademarks

All trademarks, trade names and products represented in this document, unless stated otherwise, are

brands protected internationally by law. No use of these may be made without prior, written authorization of

SMARTEK d.o.o except to identify the products or services of the company.

Warranty

SMARTEK d.o.o. has made reasonable efforts to ensure that the information provided in this document

is accurate at the time of inclusion. However there may be unintentional and occasional errors for which

we apologize. SMARTEK d.o.o. makes no representations, warranties or assurances of any kind as to the

accuracy, currency or completeness of the information provided. SMARTEK d.o.o. shall not be liable of any

damages or injury resulting from your reliance on any information provided in this document.

All texts, pictures and graphics and intellectual property in this document are protected by copyright. Reproduction

of part or all of the content for trade or transfer purposes is prohibited. None of the content of this document

may be copied or otherwise incorporated into or stored in any other website, electronic retrieval system,

publication or other work in any form (whether hard copy, electronic or other). For the avoidance of doubt,

framing of this document or any part of it is not permitted without express permission.

www.SMARTEKvision.com ©SMARTEK d.o.o. 2015, information is subject to change without prior notice, Version 2.1.4 from 2015-02-13

Contents

1 Description of Product Family 1

1.1 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.2 Supported Industry Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2.1 GigE Vision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2.2 GenICam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2.3 C-Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.3 EMI and ESD Consideration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.4 Supported Third-Party Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 SMARTEK Vision Giganetix Camera Models 7

2.1 Mechanical and Electrical Speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.1 Giganetix with Standard Housing (GC Series) . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.2 Giganetix with 90◦Angled Housing (GC-S90 Series) . . . . . . . . . . . . . . . . . . . . 10

2.1.3 Giganetix Board Level (GC-BL Series) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.1.4 Giganetix Plus Camera with Standard Housing (GCP Series) . . . . . . . . . . . . . . . 17

2.2 Sensor Information and Technical Speciﬁcation (All Models Separate) . . . . . . . . . . . . . . 19

2.2.1 GC1281M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.2.2 GC2041C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.2.3 GC2591M / GC2591C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.2.4 GC3851M / GC3851C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.2.5 GC651M / GC651C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.2.6 GC652M / GC652C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.2.7 GC653M / GC653C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.2.8 GC781M / GC781C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.2.9 GC1031M / GC1031C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.10 GC1291M / GC1291C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.2.11 GC1391M / GC1391C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

2.2.12 GC1392M / GC1392C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

2.2.13 GC1621M / GC1621C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

2.2.14 GC2441M / GC2441C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

2.2.15 GC1021M / GC1021C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

2.2.16 GC1601M / GC1601C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

2.2.17 GC1921M / GC1921C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

2.2.18 GCP1931M / GCP1931C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

2.2.19 GCP1941M / GCP1941C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

2.2.20 GCP2751M / GCP2751C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

2.2.21 GCP3381M / GCP3381C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

2.2.22 GCP4241M / GCP4241C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

2.3 Physical Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

2.3.1 Ethernet Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

2.3.2 Power and I/O-Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

2.3.3 Temperature Speciﬁcation and Heat Dissipation . . . . . . . . . . . . . . . . . . . . . . . 70

2.3.4 IR-Cut Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

2.3.5 Ingress Protection Class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

2.4 Declarations of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

2.4.1 CE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

2.4.2 FCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

2.4.3 RoHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

I©SMARTEK Vision Giganetix User Manual Version 2.1.4

Contents

2.5 List of Supported Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

3 Smartek GigEVisionSDK Library 78

3.1 Supported Operating Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

3.2 (Un-)Installing the GigEVisionSDK on Microsoft Windows and Linux . . . . . . . . . . . . . . . 79

3.3 Unattended Installation on Microsoft Windows Operating Systems . . . . . . . . . . . . . . . . 79

3.4 Manual Filter Driver Installation / Uninstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

3.5 User Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

3.6 GigEVisionClient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

3.6.1 Graphical User Interface (GUI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

3.6.2 Acquire Images from Camera(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

3.6.3 API Settings Dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

3.6.4 Chunk Data Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

3.6.5 Log Dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

3.6.6 Firmware Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

4 Image Acquisition 95

4.1 General Camera Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

4.1.1 CCD Sensor Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

4.1.2 Multi-Tap CCD Sensor Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

4.1.3 CMOS Sensor Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

4.1.4 CCD vs. CMOS - Sensor Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

4.1.5 Color Imaging with Bayer Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

4.2 Shutter types and Frame Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

4.2.1 Global Shutter Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

4.2.2 Electronic Rolling Shutter (ERS) Readout . . . . . . . . . . . . . . . . . . . . . . . . . . 105

4.2.3 Global Reset Release (GRR) Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

4.3 Brightness and Sensor Signal Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

4.3.1 Exposure / Integration Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

4.3.2 Analog Gain and Black Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

4.3.3 Automatic Tap Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

4.3.4 Digital Shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

4.4 Area of Interest Control (AOI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

4.4.1 Center X / Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

4.5 Acquisition Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

4.5.1 Free Run Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

4.5.2 Triggered Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

4.6 Digital Input / Output Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

4.6.1 Input Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

4.6.2 Output Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

5 Image Transmission over Gigabit Ethernet 127

5.1 Smartek GigE Vision Filter Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

5.1.1 UDP Packet Resend Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

5.1.2 Inter Packet Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

5.1.3 Frame Transfer Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

5.2 LAN IP Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

5.3 Network Interface Optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

5.3.1 Choosing the right Network Interface Card . . . . . . . . . . . . . . . . . . . . . . . . . . 138

5.3.2 Using Jumbo Frames / Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

5.3.3 Raising Receive Buffers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

II ©SMARTEK Vision Giganetix User Manual Version 2.1.4

Contents

5.3.4 Disable the Interrupt Moderation Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

5.3.5 Disable the Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

5.4 Digital Image and Pixel Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

5.4.1 Image Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

5.4.2 Supported Pixel Formats for Monochrome Cameras . . . . . . . . . . . . . . . . . . . . 144

5.4.3 Supported Pixel Formats for Color Cameras . . . . . . . . . . . . . . . . . . . . . . . . . 146

5.4.4 Pixel Formats Supported by the SMARTEK Vision Giganetix camera family . . . . . . 148

5.5 Chunk Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

5.5.1 Getting Started with Chunk Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

5.5.2 Additional chunks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

6 Image Processing on Camera 156

6.1 Luminance Look-up Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

6.2 Gamma Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

7 Image Processing in GigEVisionSDK 159

7.1 Image Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

7.1.1 Histogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

7.1.2 Average Luminance Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

7.2 Image Processing Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

7.2.1 Luminance Look-Up Table (LUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

7.2.2 Digital Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

7.2.3 Auto Exposure and Auto Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

7.2.4 White Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

7.2.5 Gamma Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

7.2.6 Color Filter Array Interpolation (Demosaicing / Debayering) . . . . . . . . . . . . . . . . 183

7.2.7 Matrix Multiplication 3x3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

7.2.8 GIMP HSL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

7.2.9 Sharpening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

7.2.10 RGB to Grayscale Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

7.2.11 Bit Depth Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196

7.2.12 Flip / Rotate Transformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

7.3 Color Image Processing Pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

8 Contact Information 200

9 Revision History 201

III ©SMARTEK Vision Giganetix User Manual Version 2.1.4

1 Description of Product Family

The SMARTEK Vision Giganetix camera family offers an affordable, easy to use set of digital cameras

designed to meet demanding high quality image machine vision applications conforming to the industrial

GigE Vision standard. The compact housings ﬁt almost every space critical application. A wide selection of

Sony, Aptina and Truesense Imaging CCD and CMOS sensors delivers images with high sensitivity and low

noise. Excellent price to performance ratio makes this portfolio the perfect choice for every demanding user.

SMARTEK Vision Giganetix cameras combine standard Gigabit Ethernet technology with the GigEVisionSDK

image acquisition software to reliably capture and transfer images from the camera to the PC. All Giganetix

cameras are supported by one Software Development Kit as well as a large number of 3rd-party libraries

compliant to the GigE Vision Standard. To use these devices with other software than provided by SMARTEK

Vision, please check their user guides.

Ultra small compact form Precise image sensor alignment

Sony, Aptina and Truesense Imaging CCD and

CMOS sensors Built-in IR cut-off ﬁlter in color models (optional

for monochrome models)

Long cable length up to 100m Standard C-Mount lens adapter

Use of low cost Cat5e or Cat6 Ethernet cables 90◦angled and board level versions

Low power consumption, low thermal dissipation Excellent thermal linkage between sensor and

housing

Pixel depth of up to 14bit Horizontal and vertical binning*

Very small trigger latency 2µs, jitter < 0.5µsOpto-isolated inputs and outputs

Partial scan and region of interest functions*Very competitive price to performance ratio

High frame rates or high sensitivity option*Firmware update via SDK over Ethernet

Black anodized aluminum housing Rubber sealed image sensor space

Internal image buffer for retransmission and reliability

(packet resend mechanism) Industrial connectors: EIAJ (Hirose)-12 pin and

screw mount RJ45

*model speciﬁc feature

Table 1: Key Beneﬁts and Features

1©SMARTEK Vision Giganetix User Manual Version 2.1.4

1 Description of Product Family

1.1 Precautions

Due to the ultra-small compact housing of the camera, it has a tendency to develop a high

temperature. To maintain an optimal working temperature, mount the camera on a metal surface.

Do not attempt to disassemble this camera, there are sensitive optical parts inside. Tampering

with it could lead to permanent damage.

Do not expose this camera to rain or moisture. This device is not intended to work under wet

conditions.

Do not face this camera towards the sun, extremely bright light or light reﬂecting objects. Even

when the camera is not in use, put the supplied lens cap on the lens mount, to prevent damage

to the sensor

Handle this camera with the maximum care. Do not throw the device; there are fragile glass parts

inside.

Operate this cameras only with the type of power source that meets the speciﬁcations indicated

on the camera and within the documentation. Operating the camera outside of the speciﬁcations

can cause to permanent damage. Further electrical speciﬁcations can be found in chapter 2.1 -

Mechanical and Electrical speciﬁcations.

2©SMARTEK Vision Giganetix User Manual Version 2.1.4

1 Description of Product Family

1.2 Supported Industry Standards

1.2.1 GigE Vision

GigE Vision is a communication interface standard for high-performance

industrial cameras based on the Gigabit Ethernet technology. The main idea

driving the development of the standard is to unify different protocols used in

machine vision industrial applications and make hardware and software from various vendors interoperate

seamlessly over GigE connections. GigE Vision is administered by the Automated Imaging Association

(AIA).

Features of the GigE Vision standard:

•Fast data transfer rates - up to 1 Gbit/s (based on 1000BASE-T)

•Data transfer length up to 100m exceeding maximum length of FireWire, USB and Camera Link

interfaces.

•Based on established standard allowing communication with other Ethernet devices and computers.

GigE Vision has four main elements:

•GigE Vision Control Protocol (GVCP) - runs on the UDP protocol. The standard deﬁnes how an

application controls and conﬁgures devices, and instantiates stream channels on the device. It also

deﬁnes the way for the device to notify an application about speciﬁc events.

•GigE Vision Stream Protocol (GVSP) - covers the deﬁnition of data types and the ways images and

other data are transferred from device to application.

•GigE Device Discovery Mechanism - provides mechanisms for a device to obtain valid IP address and

for an application to enumerate devices on the network.

•XML description - ﬁle based on the GenICam standard which provides the mapping between a device

feature and the device register implementing the feature.

1 Description of Product Family

1.2.2 GenICam

GenICam (Generic Interface for Cameras) is a generic

programming interface for machine vision cameras. The

goal of the standard is to decouple industrial camera

interface technology (such as GigE Vision, Camera Link,

USB or FireWire) from the user application programming interface (API). GenICam is administered by the

European Machine Vision Association (EMVA).

GenICam consists of three modules to help solve the main tasks in machine vision ﬁeld in a generic way.

These modules are:

•GenApi - conﬁgures the camera and details how to access and control cameras by using an XML

description ﬁle.

•Standard Feature Naming Convention (SFNC) - are the recommended names and types for common

features in cameras to promote interoperability

•GenTL - is the transport layer interface for enumerating cameras, grabbing images from the camera,

and moving them to the user application.

GenICam provides supports for ﬁve basic functions:

•Conﬁguring the camera - supports a range of camera features such as frame size, acquisition speed,

pixel format, gain, image offset, etc.

•Grabbing images - creates access channels between the camera and the user interface and initiates

receiving images.

•Graphical user interface - enables user GUI interface to seamlessly talk to the camera(s).

•Transmitting extra data - enables cameras to send extra data on top of the image data. Typical

examples could be histogram information, time stamp, area of interest in the frame, etc.

•Delivering events - enables cameras to talk to the application through an event channel

Standard Features Naming Convention (SFNC)

SFNC provides the deﬁnitions of standard use cases and standard features. The goal is to cover and to

standardize the naming convention used in all those basic use cases where the implementation by different

vendors would be very similar anyway. The GenICam technology allows exposing arbitrary features of a

camera through a uniﬁed API and GUI. Each feature can be deﬁned in an abstract manner by its name,

interface type, unit of measurement and behavior. The GenApi module of the GenICam standard deﬁnes

how to write a camera description ﬁle that describes a speciﬁc camera’s mapping.

For detailed information about this convention visit www.emva.org.

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