Point Grey Grasshopper - Grasshopper Overview; Image Acquisition; Image Processing

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Point Grey Research Grasshopper Technical Reference

Introduction

Revised 26-Nov-10

1 Introduction

1.1. Grasshopper Overview

The Grasshopper digital camera line offers high megapixel resolution and an ultra fast IEEE-

1394b 800Mb/s digital interface. Attractive pricing makes these powerful cameras ideal for OEMs

and system integrators who need compact systems that deliver 1.4M, 2.0M or 5.0M images at

high frame rates. The Grasshopper cameras are particularly effective in demanding imaging

applications such as those used in electronics manufacturing, life sciences and microscopy,

surveillance and security, and ITS.

Users are encouraged to download

TAN2007004 from www.ptgrey.com/products/grasshopper for

detailed information on how to transition applications from the Scorpion to the Grasshopper.

Refer to

Knowledge Base Article 206 for a complete overview of the features and benefits of the

IEEE-1394b standard.

All model-specific information presented in this manual reflects

functionality available in firmware version 0.9.1.48.

To check the camera firmware version, consult our knowledge base:

www.ptgrey.com/support/kb/index.asp?a=4&q=94.

1.1.1. Image Acquisition

Feature Description

IEEE-1394b Bandwidth 800Mb/s interface allows full color RGB output at high data rates

Automatic Synchronization Multiple Grasshoppers on the same 1394b bus automatically sync

Programmable Exposure User-programmable shutter, gain, and black clamp settings via software

Fast Frame Rates Faster standard frame rates plus pixel binning and ROI support

Multiple Trigger Modes Bulb-trigger mode, multiple triggered exposures before readout

Trigger at Full Frame Rate Overlapped trigger input, image acquisition and transfer

1.1.2. Image Processing

Feature Description

Color Conversion On-camera conversion to YUV411, YUV422 and RGB formats

Image Processing On-camera control of sharpness, hue, saturation, gamma, LUT

Image Flip / Mirror Horizontal image flip (mirror image)

Embedded Image Info Pixels contain frame-specific info (e.g. shutter, 1394 cycle time)

Test Pattern Continuous static image for testing and development

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