Description

IP_SPort Sensor Port
IP_Stat Statistics
IP_AWB_AGC Automatic White Balance
Automatic Gain COntrol
IP_MPA Multi Port Access
IP_HP_DDR2 High Performance DDR2
IP_DBY Debayer
IP_CCM Color Correction Matrix
IP_GC Gamma Correction
IP_OV Overlay
IP_MMoE Protocol Memory Map over Ethernet
IP_Gigabit Link Ethernet 10/100/1000

 

video_pipeline

IP_SPort – Sensor Port

This IP Sensor Port allows to reconstruct the standard signals for both CMOS and CCD interface sensors. The IP_SPort for CCD generates the timing pulses for performing progressive scan for CCD image sensor.

Key features
  • Selectable bitwidth for input pixel data, HDR ready
  • Integrated gain stage with selectable fixed-point precision bits for each RGB color channel
  • Integrated I2C or SPI interface
  • Dynamic setup via Wishbone
  • Sensor interface for CCD and CMOS
Resource Utilization Example
Lattice XP2 12-bit CMOS Port
LUT Register DSP Fmax(MHz)
376 344 2 >100
Actual resource utilization depends on selected speed and timing parameters

IP_Stat – Statistics

This IP core provides pixel sum and pixel numbers for each color channel. This information is used for example by the AWB algorithms.

Key features
  • Selectable bitwidth for input pixel data, HDR ready
  • Column and row counter
  • Freely adjustable ROI
  • Counters for number of pixels in ROI, saturated pixels, etc.
  • Dynamic setup via Wishbone

IP AWB/AGC – Automatic White Balance Automatic Gain Control

This IP core is aimed at automatically adjusts both the gain and the white balance of the scene to a neutral setting regardless of the ambient light source.

Key features
  • Feedback from statistics
  • Online optimal gain computation for each frame
  • Set computed gain value to sensor register and FGPA register via a master Whisbone interface
  • Customizable algorithm
  • Resource optimized sMico32 calculation engine

IP_DBY – Debayering

This IP core is aimed at reconstructing the full color information for each sensor pixel. Several interpolation algorithms have been developed. The IP core allows to obtain a full color image where for each pixel a full set of R, G, B values are provided by interpolation. This results in a high-quality image.

Key features
  • Selectable bitwidth for input pixel data, HDR ready
  • Selectable maximum picture column size
  • 3×3 bilinear, 5×5 high-quality
  • Dynamic setup via Wishbone
  • Border extrapolation
Resource Utilization Example
Lattice XP2 8-bit, 2048 column, 3×3 bilinear
LUT Register EBR Fmax(MHz)
232 147 3 >100
Actual resource utilization depends on selected speed and timing parameters

IP_CCM – Color Correction Matrix

Often the images acquired from a sensor have wrong colors . This is due to the cross color effect. The IP core corrects colors applying a correction matrix to each pixel.

Key features
  • Selectable bitwidth for each color channel data, HDR ready
  • Selectable bitwidth for coefficients /selectable fixed-point bits
  • Full color RGB in- and output
  • Auto saturation detection
  • Dynamic setup via Wishbone
  • Each matrix coefficient is a fixed-point number

IP_GC – Gamma Correction

The gamma correction allows to modify the relationship between a pixel’s numerical value and its actual luminance from a linear to non-linear relation.

Key features
  • Selectable bitwidth for each color channel data, HDR ready
  • Selectable output datawidth
  • Automatic interpolation between look up table entries
  • Separate correction for each single color channel
  • Dynamic Setup via Wishbone
  • Gamma Compression or expansion possible to switch during processing

IP_OV – Overlay

This IP core add text or graphics to a video stream. This allows to implement On-Screen Display function.

Key features
  • Adjustable overlay position
  • Selectable number of different colors
  • 32-Bit per color
  • Dynamic setup via Wishbone