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Photo Crop Editor-Easy Photo Crop Software

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Photo Crop Editor is an Interactive Photo Editor software for selecting and removing an object in a picture or photograph from its background. The user can then compose the result on a different background to create a new scene. Interactive Photo Editor works even if foreground and background colors are similar.

Interactive Photo Editor consisting of three steps:
1. Object marking: 
In this first, coarse step the user quickly identifies the object of interest by marking quick mouse strokes, using left-click for foreground and right-click for background. The software will lookup object boundary automatically.
2. Boundary editing:
In the editing step, the user can edit a boundary directly. 

3. Bayesian matting step:

In this step, it is easy to matte hair from background.
4. The final step extracts the cut out object and compose it onto new background. 

Start Tutorial

Step1: Segmentation

Step2: Editing

Step3: Overriding Brush

Step4: Matting

Step5: Output Composition

Step6: Save and Print

Step7: Perform Better

 

Step1: Segmentation

  • On main interface, click "Image" button to open an image file, the main interface shows as following:

           

  • Click the "Quick Crop" button, the "Quick Crop" dialog appears as following:

           

  • Press and hold the left button of mouse, draws a few strokes on foreground in image, the program interface shows as following: 

           

  • Press and hold the right button of mouse, draws a few strokes on the background in image. When the mouse button is released, the interactive image segmentation engine is started, and a boundary of foreground is generated by program. The program interface shows as following: 

           

  • Draws more strokes on foreground and background, the boundary of foreground become more accurate. The program interface shows as following: 

             

Step2: Editing

  • Click the "Go to Editing Step" button, the program switches to "Editing Step". 

           

  • Select the polygon button on tool bar, and then use mouse to draw a polygon which surrounds the eye part on image, the eye part will be added to the current selection. The program shows as following. Usage of polygon tool is "Click left button => move cursor=> click left button => move cursor=> click left button......, then, double click left button, the polygon is finished".

           

  • Select the "Subtract from selection" button on tool bar, then use mouse to draw a polygon which surrounds the small white spot on left side of image, the small white spot will be subtract from the selection: 

           

Step3: Overriding Brush

  • The boundary on the head part is jaggy as following:

           

  • Select the overriding brush button on tool bar, and then use mouse to draw a polyline to replace the jaggy segment of the boundary as following. Usage of overriding brush tool is same as polygon tool: "Click left button => move cursor=> click left button => move cursor=> click left button......, then, double click left button, the polyline is finished, and the jaggy segment of the boundary is replaced by the polyline". Please make sure that the polyline should intersect with the boundary at at least two points, the segment between the two outside crosspoints will be replaced by the polyline. 

           

  • The overrided boundary:

           

Step4: Matting

  • Click the "Go to Matting Step" button, the program switches to "Matting Step".

           

  • Select the "Mark Unknown Mode" button on tool bar, and then use mouse to draw an unknown region on the edge between foreground and background.

           

  • When the mouse button is released, the Bayesian matting engine is started, all alpha value of pixels within the unknown region will be computed. This function is very useful for matting hair from background.

           

 

  • Sometime, the Bayesian matting engine will make some part of foreground to be transparent.

           

  • To correct this, select the "Mark Opaque Mode" button, and then use mouse to make the part of foreground to be opaque again.

           

  • The Bayesian matting engine has made some part of background become foreground. To correct this, click "Back to editing step" button to go back to "Editing step", and then subtract the part of background from the selection.

           

Step5: Output Composition

  • Click the "Crop and Quit" button, program go back to the main interface. The foreground is extracted from background as following:

           

  • Select "Background->Background Picture" to compose the foreground onto other picture, shows as following, or select "Background->Background Color" to compose the foreground onto other color background: 

                 

Step6: Save and Print

  • Click "Save" or "Print" button, the "Image Output" dialog appears. Move cursor onto handles of the selected rectangle, then drag mouse while holding left button to resize the selected rectangle. Then click "Save" or "Print" button to save or print image within the selection: 

           

Step7: Perform Better

  • The interactive image segmentation engine can perform better when marking foreground and background by surrounding foreground and background with polygons.

  • Select the polygon button on tool bar. Use mouse left button to draw a polygon along the edge of the foreground. Usage of polygon tool is "Click left button => move cursor=> click left button => move cursor=> click left button......, then, double click left button, the polygon is finished". 

           

  • And then use mouse right button to draw a polygon along the edge of the background on left side. The interactive image segmentation engine is started, and a boundary of foreground is generated by program: 

           

  • Then use mouse right button to draw a polygon along the edge of the background on right side, a more accurate boundary is generated by program: 

           

 

 

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