diff --git a/poi-ooxml/src/main/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java b/poi-ooxml/src/main/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java
index 80b5d4a6ce..aec5faccf6 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java
@@ -225,6 +225,14 @@ public class XSLFPictureShape extends XSLFSimpleShape
             POIXMLUnits.parsePercent(r.xgetR()));
     }
 
+    public int getAlpha() {
+        CTBlip blip = getBlip();
+        if (blip == null) {
+            return FULLY_OPAQUE_ALPHA_VALUE;
+        }
+        return blip.sizeOfAlphaModFixArray() > 0 ? POIXMLUnits.parsePercent(blip.getAlphaModFixArray(0).xgetAmt()) : FULLY_OPAQUE_ALPHA_VALUE;
+    }
+
     /**
      * Add a SVG image reference
      * @param svgPic a previously imported svg image
diff --git a/poi-ooxml/src/test/java/org/apache/poi/sl/tests/draw/TestDrawPictureShape.java b/poi-ooxml/src/test/java/org/apache/poi/sl/tests/draw/TestDrawPictureShape.java
index 9f5568c4c4..0bd9414d8b 100644
--- a/poi-ooxml/src/test/java/org/apache/poi/sl/tests/draw/TestDrawPictureShape.java
+++ b/poi-ooxml/src/test/java/org/apache/poi/sl/tests/draw/TestDrawPictureShape.java
@@ -22,8 +22,9 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assumptions.assumeFalse;
 
-import java.awt.Dimension;
+import java.awt.*;
 import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
 
@@ -117,4 +118,33 @@ class TestDrawPictureShape {
             return val;
         }
     }
+
+    @Test
+    void testAlphaXSLFPictureShape() throws IOException {
+        SlideShow<?,?> ss = openSampleDocument("picture-transparency.pptx");
+
+        // First slide contains a fully opaque bitmap
+        verifySlideFirstPixelColor(ss.getSlides().get(0), new Color(0, 0, 0, 255));
+        // Second slide contains a 20% transparency bitmap (255*0.8=204)
+        verifySlideFirstPixelColor(ss.getSlides().get(1), new Color(0, 0, 0, 204));
+        // Third slide contains a 60% transparency bitmap (255*0.4=102)
+        verifySlideFirstPixelColor(ss.getSlides().get(2), new Color(0, 0, 0, 102));
+        // Fourth slide contains a fully transparent bitmap
+        verifySlideFirstPixelColor(ss.getSlides().get(3), new Color(0, 0, 0, 0));
+    }
+
+    private void verifySlideFirstPixelColor(Slide<?,?> slide, Color color) {
+        PictureShape<?,?> picShape = null;
+        for (Shape<?,?> shape : slide.getShapes()) {
+            if (shape instanceof PictureShape) {
+                picShape = (PictureShape<?,?>)shape;
+                break;
+            }
+        }
+        assertNotNull(picShape);
+        BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
+        new DrawPictureShape(picShape).draw(img.createGraphics());
+        assertEquals(Transparency.TRANSLUCENT, img.getTransparency());
+        assertEquals(color, new Color(img.getRGB(0, 0), true));
+    }
 }
diff --git a/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java b/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java
index e10a54cb55..ac2f12bd2f 100644
--- a/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java
+++ b/poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFPictureShape.java
@@ -228,4 +228,8 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape<HS
         int fixedPoint = prop.getPropertyValue();
         return Units.fixedPointToDouble(fixedPoint);
     }
-}
\ No newline at end of file
+
+    public int getAlpha() {
+        return (int)(super.getAlpha(EscherPropertyTypes.FILL__FILLOPACITY)*100000.0);
+    }
+}
diff --git a/poi/src/main/java/org/apache/poi/sl/draw/BitmapImageRenderer.java b/poi/src/main/java/org/apache/poi/sl/draw/BitmapImageRenderer.java
index 0cf66780bd..cb3921eac6 100644
--- a/poi/src/main/java/org/apache/poi/sl/draw/BitmapImageRenderer.java
+++ b/poi/src/main/java/org/apache/poi/sl/draw/BitmapImageRenderer.java
@@ -289,7 +289,8 @@ public class BitmapImageRenderer implements ImageRenderer {
             return new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
         }
 
-        if (alpha == 0) {
+        if (alpha == 1) {
+            // Do not apply any rescale for a fully opaque alpha value
             return image;
         }
 
diff --git a/poi/src/main/java/org/apache/poi/sl/draw/DrawPictureShape.java b/poi/src/main/java/org/apache/poi/sl/draw/DrawPictureShape.java
index 0b9ae3cb13..2dbee57ea5 100644
--- a/poi/src/main/java/org/apache/poi/sl/draw/DrawPictureShape.java
+++ b/poi/src/main/java/org/apache/poi/sl/draw/DrawPictureShape.java
@@ -36,6 +36,9 @@ import org.apache.poi.sl.usermodel.PictureData;
 import org.apache.poi.sl.usermodel.PictureShape;
 import org.apache.poi.sl.usermodel.RectAlign;
 
+import static org.apache.poi.sl.usermodel.PictureShape.FULLY_OPAQUE_ALPHA_VALUE;
+import static org.apache.poi.sl.usermodel.PictureShape.FULLY_TRANSPARENT_ALPHA_VALUE;
+
 
 public class DrawPictureShape extends DrawSimpleShape {
     private static final Logger LOG = PoiLogManager.getLogger(DrawPictureShape.class);
@@ -50,6 +53,7 @@ public class DrawPictureShape extends DrawSimpleShape {
 
         Rectangle2D anchor = getAnchor(graphics, ps);
         Insets insets = ps.getClipping();
+        int alpha = ps.getAlpha();
 
         PictureData[] pics = { ps.getAlternativePictureData(), ps.getPictureData() };
         for (PictureData data : pics) {
@@ -66,6 +70,9 @@ public class DrawPictureShape extends DrawSimpleShape {
                 ImageRenderer renderer = getImageRenderer(graphics, ct);
                 if (renderer.canRender(ct)) {
                     renderer.loadImage(dataBytes, ct);
+                    if (FULLY_TRANSPARENT_ALPHA_VALUE <= alpha && alpha < FULLY_OPAQUE_ALPHA_VALUE) {
+                        renderer.setAlpha(alpha/(float) FULLY_OPAQUE_ALPHA_VALUE);
+                    }
                     renderer.drawImage(graphics, anchor, insets);
                     return;
                 }
diff --git a/poi/src/main/java/org/apache/poi/sl/usermodel/PictureShape.java b/poi/src/main/java/org/apache/poi/sl/usermodel/PictureShape.java
index 9f967207bb..bc3dff1e4b 100644
--- a/poi/src/main/java/org/apache/poi/sl/usermodel/PictureShape.java
+++ b/poi/src/main/java/org/apache/poi/sl/usermodel/PictureShape.java
@@ -23,6 +23,9 @@ public interface PictureShape<
     S extends Shape<S,P>,
     P extends TextParagraph<S,P,? extends TextRun>
 > extends SimpleShape<S,P> {
+    public static final int FULLY_TRANSPARENT_ALPHA_VALUE = 0;
+    public static final int FULLY_OPAQUE_ALPHA_VALUE = 100000;
+
     /**
      * Returns the picture data for this picture.
      *
@@ -47,4 +50,12 @@ public interface PictureShape<
      * @return the clipping rectangle, which is given in percent in relation to the image width/height
      */
     Insets getClipping();
+
+    /**
+     * Returns alpha value in a range between 0 and 100000.
+     * Value 0 represents complete transparency and 100000 represents complete opacity.
+     * @return alpha value in the range 0..100000.
+     * @since 6.0.0
+     */
+    int getAlpha();
 }
diff --git a/test-data/slideshow/picture-transparency.pptx b/test-data/slideshow/picture-transparency.pptx
new file mode 100644
index 0000000000..41121f7dde
Binary files /dev/null and b/test-data/slideshow/picture-transparency.pptx differ