LME Saarland University

Micro Electronics Lab - course work 2022

Implemented few basic Matlab and FPGA modules for Image processing

FPGA modules are implemented based on two boards:

• Basys2
• Artix7

Display used for the test procedures is having a resolution of 1024*600. More technical details can be found at link

Example codes:

• Matlab

  • Colour Graying: 3 channel image to a single channel image; colour_graying.m
  • Histogram Stretching: Histogram stretching of a grayscale image; histogram_stretching.m
  • Histogram Equalisation: Histogram Equalisation of a grayscale image; histogram_equalisation.m
  • Global dimming: Applies the global dimming algorithm on a grayscale image; global_dimming.m
  • Gamma Coe: File to generate gamma and inverse gamma (degamma) values into a .coe file for FPGA; gamma_coe.m
  • Test image for Gamma Measurement: File to generate test image set for gamma measurement; test_image_generator

• FPGA

  • Basic control: Switch based LED control; switch_led_control.v
  • Adder: Full adder; full_adder.v
  • Adder: Ripple adder; ripple_adder.v
  • Mutliplication: Multiplier; multiplier.v
  • Counter: Up down counter; counter.v
  • Counter: Prescaled counter; prescaled_counter.v
  • Counter: Counter on 7 segment display; counter_7segment_display.v
  • Seven Segment display: Seven segment display module; seven_segment_display.v
  • PWM: PWM generator; pwm_generator.v
  • PWM: PWM top modlue; PWM_topModule.v
  • Pipeline manipulation: Pipeline manipulation by selecting the channel and to replace with max value if configured; pipeline_manipulation.v
  • Pipeline manipulation: Pipeline manipulation by replacing pixels to demonstrate gradient; pipeline_manipulation_gradient.v
  • Pipeline manipulation: Pipeline manipulation by show max frame pixels value; frame_maximum_gray_value.v
  • Pipeline manipulation: Pipeline manipulation by gamma correction; pipeline_manipulation_gamma_correction.v
  • Pipeline manipulation: Pipeline manipulation by gamma correction with back light; pipeline_manip_gamma_correction_with_bklight_ctrl.v
  • Pipeline manipulation: Pipeline manipulation by gamma correction with back light and pixel compensation; pipeline_manip_gamma_correction_with_bklight_ctrl_px_comp.v