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Abstract:

This video tutorial, presented by Marisha Lllair from STMicroelectronics Imaging Division, provides a comprehensive guide on using the ST BrightSense evaluation software. It covers the essential functionalities required to operate and evaluate ST imaging sensors. The tutorial details the layout of the graphical user interface (GUI), explains the procedures for saving single images and image sequences, demonstrates two methods for tuning sensor registers (individually via I2C and using scripts), shows how to perform metric measurements like statistics and histograms, and concludes by explaining how to save and load sensor configurations for future use. The video assumes the user has already completed the hardware setup and software installation.

Getting Started with ST BrightSense Evaluation Software: A Tutorial Overview

• 0:00:07 Introduction: Marisha Lllair introduces the ST BrightSense evaluation software tutorial, outlining the key topics: GUI overview, data saving, register tuning, metrics measurement, and configuration saving.
• 0:00:34 Prerequisites: Users must have the evaluation hardware setup and the software installed before proceeding. Reference is made to a separate "Getting Started" tutorial if needed.
• 0:00:53 GUI Overview: The main panels of the user interface are identified:
  • Image Display (Center): Shows the live feed from the sensor.
  • Main Panel (Top Left): Controls streaming (start/stop) and panel visibility.
  • Save Configuration Panel (Left): Saves the current sensor settings.
  • Status Panel (Top Right): Displays sensor status information read from registers.
  • Sensor Control Panel (Right): Allows modification of settings like orientation, format, frame rate, exposure, and resolution.
  • I2C Register Panel (Bottom Right): Enables reading/writing individual I2C register addresses.
  • Script Panel (Below Image): Used to generate or apply configuration scripts.
  • Log Panel (Bottom): Displays log files for debugging.
• 0:02:26 Saving a Single Image: To save one frame, click the "Pause" button, right-click the image, select "Save As," choose the destination folder, name the file, select the desired image format, and click "Save."
• 0:02:50 Saving an Image Sequence:
  • Activate the "Image Capture" panel via the Main Panel.
  • Stop streaming temporarily.
  • Define the destination folder ("Capture Path").
  • Select the image format.
  • Enter the number of frames to save in "Max images to save." Use "-1" to record continuously until stopped manually.
  • Click "Play" to start recording. It stops automatically if a specific frame count was set; otherwise, press "Stop" manually.
• 0:03:53 Tuning Sensor Registers (Overview): Two methods are available: writing individual registers or applying a script.
• 0:04:07 Tuning Option 1: Writing Registers Individually:
  • Use the I2C Register Panel (bottom right).
  • Select "Write," enter the register address and the desired value, then press "Write."
  • Requires consulting the sensor's user manual (available on st.com) for addresses.
  • Provides flexibility for unique configurations but requires more effort and is prone to errors.
• 0:04:52 Tuning Option 2: Using a Script:
  • Use the Script Panel (below image).
  • Click "Generate Script" to open the script generator interface.
  • Enter desired configuration values.
  • Click "Generate" (top right), choose a location, and name the script file.
  • Return to the main software and click "Load Script" to apply the generated configuration.
  • Quicker and easier but may not cover all possible sensor settings.
• 0:05:38 Performing Metric Measurements:
  • Access via View Menu > Metrics Manager (panel opens on the left).
  • Click "+" > "Basic Image Stats" to add statistical analysis (mean, max, average, etc.).
  • Important: For RGB sensors, disable colorization before applying metrics for accurate results.
  • Select the EVK output to display stats.
  • Histograms can also be displayed.
• 0:06:48 Saving Current Sensor Configuration:
  • Use the Save Configuration Panel (left).
  • Stop the evaluation session.
  • Select the destination folder and name for the configuration file.
  • Click "Save Configuration."
• 0:07:19 Loading Saved Configuration: Upon restarting, use the "Load Configuration" dropdown menu to select and apply a previously saved configuration file.
• 0:07:34 Further Information: Users are directed to the ST BrightSense Quick Start Guide (online) for more details, FAQs, and contact information for further questions.