How to use Feng-GUI Dashboard

Quick Guide
Reports
  - Attention Heatmap Report
  - Gaze Plot Report
  - Opacity Map Report
  - Areas of Interest Report
  - Aesthetics Report
  - Fixations & Visual Features table
Input Image
Analysis Settings
Output Settings
Customization

Quick Guide

Upload an image: Click [Upload > Image File(s)] to select an image file. You can upload up to 10 files at once. Wait until the image is uploaded and appears at the bottom images list.
Learn more about input images

Capture a webpage: Click [Upload > Web Address] to capture a webpage image. Wait until the webpage is captured and appears at the bottom images list.

Analysis Parameters: Select the image at the bottom images list, Add AOIs and adjust the "Analysis Options".
Learn more about Analysis

Generate Reports: Click [Analyze]. Wait few seconds for the reports to load.
Learn more about Reports

Save Reports: Click [Download] to download and save the report files to your computer.


Start optimizing Your Design

Attention Heatmap report

The Attention Heatmap displayed as a color gradient overlay on the original image.
The heatmap highlights areas likely to receive attention within the first few seconds.

Use the Heatmap report to:
Visualize which elements attract more attention than others.

Interpreting the results:
The Attention Heatmap report is a predicted eye tracking report of 40 viewers which show how areas of the original image attract the attention.
The heatmap colors range from green through yellow to red. The colors are representing low, medium and high levels of attention, respectively.
Areas with no color imply that this area will be over looked.

Gaze Plot report

The Gaze Plot report visualizes the scan paths and order between elements inside the image. The report is made of a series of short stops (fixations) and fast movements of an eye (saccades).

Use the Gaze Plot report to:
Visually demonstrate fixations order and gaze paths.

Interpreting the results:
Fixations are marked with circles along with a number that state the order in which the eyes move between fixations.
The first fixation is marked with the number (1).
On average, fixations last for around 200 ms during the reading of linguistic text, and 350 ms during the viewing of a scene.
There are up to 30 fixations in the report, representing a 7.5 second gaze path. (250ms x 30 = 7.5 seconds)

Opacity Map report

The Opacity map report tones down information that is not attractive and visually displays what your viewers may perceive during the first few seconds of visual inspection.
The Opacity map report uses a transparency gradient.

Use the Opacity report to:
Emphasize which areas are being perceived and which are being ignored.

Interpreting the results:
The opacity shows the parts of the media with the highest counts or longest fixations and shades the rest of the media.
The most transparent areas are those that attract more attention.

Areas of Interest report

The Areas of Interest report (AOIs) report reveals a score of the predicted probability that a person will look at the area along with detailed diagnostics to show why the region is likely to get attention.

Use the Areas of Interest report to:
  • Define areas inside the image to determine the Visibility Score of this area.
  • Every AOI is reported with detailed data about fixations and visual features.
  • Compare results between different versions of your design and layout.

Interpreting the results:
The Visibility Score is a summary metric that indicates how salient are the visuals inside this region. The score is calculated based on the highest heatmap value found inside the AOI region.
The value is the probability of having a visual fixation within first 3-5 seconds inside this AOI region.
0% means no attention at all, and 100% means this area will be mostly noticeable.
Areas of Interest report is also referred as Regions of Interest report (ROIs)
Most attention is located at areas with more or longer fixations.

To generate an AOIs report, Click on "Add Area" to add a new AOI area.
Resize and move the AOI area to adjust its location and dimensions.
Click "Analyze" to update the AOIs report with the latest AOIs details.

Aesthetics report

Aesthetics report enables you to examine the emotional aspects of aesthetics.

Based on several large scale studies with millions ratings of visual appeal collected from nearly 10 thousand participants, we developed computational models that accurately measure the perceived visual complexity and excitingness.
  • Viewers will judge design as beautiful or not within 1/50th to 1/20th of a second.
  • Visually complex designs are consistently rated as less beautiful than their simpler counterparts.

Clarity Score
Clarity is the opposite of Complexity.
Ratings of appeal are significantly negatively affected by an increase in visual complexity. The more complicated the stimuli is, the worse the people perceived it's attractive.

The value ranges from 0 to 100.
A high score means that the design is clean, simple and clear.
A low score means highly confusing, complex and cluttered design.

Improving the results:
  • Reduce unnecessary text.
  • Use more images. Human perception of clutter is much more forgiving of imagery than of text.
  • Increase the amount of whitespace or padding around content.
  • Use images with less texture and fewer lines.
  • Organize the design into easily distinguishable content blocks.

Excitingness Score
How exciting and colorful is the design.
The value ranges from 0 to 100.
A high score means that the design is exciting, interesting and colorful.
A low score means calm and boring design.

Balanced Score
The value ranges from 0 to 100.
A high score means that the design is symmetrical, balanced and harmonic.
A low score means unbalanced and asymmetrical
The cyan grid demonstrates color balance.
The magenta grid demonstrates intensity balance.

Fixations & Visual Features Table

This table holds the Fixations and Visual Features data for each Area of Interest (AOI).

Fixations

Time to first fixation (TTFF) - The time in seconds from when the stimulus was shown until the start of the first fixation within an Area Of Interest (AOI).
Fixation length (FL) - The length of the fixations in seconds within an AOI.
Fixation count (FC) - The number of fixations within an AOI.
Observation length - The total time in seconds for every time a person has looked within an AOI, starting with a fixation within the AOI and ending with a fixation outside the AOI.
Observation count - The number of visits and re-visits to an AOI.
Fixations before (FB) - The number of fixations before the participant fixated within an AOI for the first time.
Participant percentage - The percentage of participants that have fixated at least once within an AOI.
Visual Features

Visual Features are major contributors to the calculation of AOI score.
Drawing attention requires the object to have a significant contrast from surrounding objects and background.

Interpreting the results:
If the AOI score is low, not visible enough, and you wish to increase the score and make the object more prominent, the visual features gives you cues about how to achieve that.
Inspect which visual feature of this AOI is low and change its design to make it higher.
Design change can be done by changing color contrast (red/green or blue/yellow), intensity (dark/light), orientation (change angle of the object), adding or reducing edges, adding or removing face.

Intensity Features - The percentage level of intensity.
Edges Features - The percentage of edges, texture and orientation.
Red Green Contrast - The percentage of Red-Green diffrence.
Blue Yellow Contrast - The percentage of Blue-Yellow diffrence.

Improving the results:
A high conotrast between an element and its surrounding will increase the element's visibility.
Measure the color contrast of an AOI element and alter it to reduce or induce its visibility.
  1. Identify the dominant color of the element (foreground) and the dominant color of its surrounding (background).
  2. Measure the color contrast ratio of the two colors.
  3. Change the element or its background luminance to increase or decrease the color contrast ratio.

Color Contrast ratios can range from 1 to 21 (commonly written 1:1 to 21:1).
Minimum contrast for reading text is 4.5:1
The contrast of black foreground over a white background is 21:1

Color Contrast ratio calculators
https://contrastchecker.com/ contrastchecker tool also include a color quantization. https://webaim.org/resources/contrastchecker/
Color picker browser extenssion
https://www.colorzilla.com/chrome/

Color Quantization tools:
To identify the colors inside the image, you can use color quantization tools:
  • https://app.contrast-finder.org/
  • http://colormind.io/image/
  • https://labs.tineye.com/color/
  • https://brandfolder.com/workbench/color-palette/

Input Image

  • Size limit
    Upload image file size can be no larger than 5MB.

  • Formats
    • The following image file formats are supported: PNG and JPG
    • Use white background and NOT transparent. Transparent pixels with no color will be treated as black.

  • Dimensions
    • Recommended 1024x768, 1366x768 , 1920x1080
    • Minimum 800x600. Using smaller dimensions may result in reducing accuracy of the analysis.
    • Maximum 1920x1080. Using larger dimensions will not improve the analysis accuracy and noticeably increases the processing time.
    • Prefer to use wide images and not narrow images.

  • Quality
    Use your highest quality images. We recommend on using PNG files. As JPEG is a lossy compression method, which can add compression artifacts into the image.
    You can use JPG format, as long as the image was created using no compression and 100% quality.
    If you do not have an original file as PNG, do not save the JPEG as PNG because this can result in an even larger file and will not improve the image quality.

  • Website Screenshot
    To quickly create a website screenshot image and upload it, use the menu action Upload > Web Address
    Be aware that website capture can be inaccurate due to page speed or behavior.
    For an accurate screenshot, you should create the screenshot manually, using a browser add-on, and then upload the image using the menu Upload > Image File
    • To create a web snapshot, you can use a browser add-on such as:
      * Awesome Screenshot
      * Fireshot
      * Paparazzi for Mac OSX
    • Capture the visible part of the webpage.
    • Create a website screenshot which contains only the webpage itself. Do not include the surrounding browser UI elements.

  • Product and Package image
    • Prefer landscape or square images.
    • Add at least 10% of blank margins.

Analysis Settings

Specifies which sub algorithms to include in the analysis. Analysis includes by default, visual features such as colors contrast and orientation and many more. See a complete list of features analyzed.
  • View Type
    This parameter currently has no impact on the heatmap. By selecting a value you are helping Feng-GUI system to learn more about the content inside input images.

  • View Distance
    Set the viewer distance from this image. Default is a computer screen.
    Available options are: Desktop Screen, Mobile, Print, Indoor Signage, Package Design and Outdoor Billboard.

  • Face detection
    Mark this check box only if the image contains faces.

  • Text detection
    Mark this check box only if the image contains text.

  • Skin detection
    Mark this check box only if the image contains human skin.

Output Settings

Specifies how the output report is presented.
Output settings removed from the Dashboard. You can only control the report settings through the Web API.
  • Circle HotSpots
    Draw circles around the areas of highest attention. The hotspots are also referred as fixations

  • Generate Gaze Plot
    Draw the scanpath between hotspots. The resulting series of fixations and saccades is also called a scanpath.

  • Draw Gaze Order Numbers
    Draw numbers next to each hotspot representing the order in which they will be viewed. Time of each fixation 200ms-350ms

  • Merge Heatmap with original image
    Uncheck this if you wish to generate the heatmap image without a merged layer of the original image.

  • Draw map legend on reports
    A map legend is the little box in the corner of the report. It contains parameters information.

Customization

More output Customization settings at dashboard > Settings > Customization
  • Custom Watermark
    Upload your logo and we will embed it into the reports (watermark.png).
    To test your change, click "Analyze" and examine the watermark at the bottom right corner of each image report.
    Default watermark
    To have no watermark at all, upload a small transparent png image file.
    empty watermark

  • Custom Report
    Upload a custom report template file (template.htm or template.mdddl) . Using a custom report template you can add your logo, remove Feng-GUI branding, choose your report’s visual style, and edit the content to fit the audience. To test your change, click "Download > Report as pdf" and examine the new report design.
    Download examples of default and custom template files