diff --git a/ethical-hacking/image-metadata-extractor/image.jpg b/ethical-hacking/image-metadata-extractor/image.jpg index 469f40ad..c67831de 100644 Binary files a/ethical-hacking/image-metadata-extractor/image.jpg and b/ethical-hacking/image-metadata-extractor/image.jpg differ diff --git a/general/generating-reading-qrcode/site.png b/general/generating-reading-qrcode/site.png index 234c68e5..b3195304 100644 Binary files a/general/generating-reading-qrcode/site.png and b/general/generating-reading-qrcode/site.png differ diff --git a/machine-learning/contour-detection/pancakes.jpg b/machine-learning/contour-detection/pancakes.jpg index 1724a5a0..fac8819d 100644 Binary files a/machine-learning/contour-detection/pancakes.jpg and b/machine-learning/contour-detection/pancakes.jpg differ diff --git a/machine-learning/edge-detection/little_flower.jpg b/machine-learning/edge-detection/little_flower.jpg index fcf54a79..cea426f7 100644 Binary files a/machine-learning/edge-detection/little_flower.jpg and b/machine-learning/edge-detection/little_flower.jpg differ diff --git a/machine-learning/face_detection/kids.jpg b/machine-learning/face_detection/kids.jpg index ff99ebbc..3b866c34 100644 Binary files a/machine-learning/face_detection/kids.jpg and b/machine-learning/face_detection/kids.jpg differ diff --git a/machine-learning/face_detection/kids_detected.jpg b/machine-learning/face_detection/kids_detected.jpg index 810723d2..53fbc8ba 100644 Binary files a/machine-learning/face_detection/kids_detected.jpg and b/machine-learning/face_detection/kids_detected.jpg differ diff --git a/machine-learning/object-detection/images/cat.jpg b/machine-learning/object-detection/images/cat.jpg index b4efc6c9..c659659a 100644 Binary files a/machine-learning/object-detection/images/cat.jpg and b/machine-learning/object-detection/images/cat.jpg differ diff --git a/machine-learning/object-detection/images/dog.jpg b/machine-learning/object-detection/images/dog.jpg index 77b03812..9dc6dc8c 100644 Binary files a/machine-learning/object-detection/images/dog.jpg and b/machine-learning/object-detection/images/dog.jpg differ diff --git a/machine-learning/object-detection/images/dog2.jpg b/machine-learning/object-detection/images/dog2.jpg index 7eabe4c4..d7a9b9c3 100644 Binary files a/machine-learning/object-detection/images/dog2.jpg and b/machine-learning/object-detection/images/dog2.jpg differ diff --git a/machine-learning/object-detection/images/eagle.jpg b/machine-learning/object-detection/images/eagle.jpg index 8b750950..e749e687 100644 Binary files a/machine-learning/object-detection/images/eagle.jpg and b/machine-learning/object-detection/images/eagle.jpg differ diff --git a/machine-learning/object-detection/images/food.jpg b/machine-learning/object-detection/images/food.jpg index 8fbab8b2..4142e5ad 100644 Binary files a/machine-learning/object-detection/images/food.jpg and b/machine-learning/object-detection/images/food.jpg differ diff --git a/machine-learning/object-detection/images/giraffe.jpg b/machine-learning/object-detection/images/giraffe.jpg index a93e8b88..2a171e7e 100644 Binary files a/machine-learning/object-detection/images/giraffe.jpg and b/machine-learning/object-detection/images/giraffe.jpg differ diff --git a/machine-learning/object-detection/images/horses.jpg b/machine-learning/object-detection/images/horses.jpg index 3a761f46..7454a38a 100644 Binary files a/machine-learning/object-detection/images/horses.jpg and b/machine-learning/object-detection/images/horses.jpg differ diff --git a/machine-learning/object-detection/images/motorbike.jpg b/machine-learning/object-detection/images/motorbike.jpg index a1b359d9..d3770faf 100644 Binary files a/machine-learning/object-detection/images/motorbike.jpg and b/machine-learning/object-detection/images/motorbike.jpg differ diff --git a/machine-learning/object-detection/images/person.jpg b/machine-learning/object-detection/images/person.jpg index 61d377ff..1abd7e56 100644 Binary files a/machine-learning/object-detection/images/person.jpg and b/machine-learning/object-detection/images/person.jpg differ diff --git a/machine-learning/object-detection/images/surf.jpg b/machine-learning/object-detection/images/surf.jpg index ca13efda..920a7c6b 100644 Binary files a/machine-learning/object-detection/images/surf.jpg and b/machine-learning/object-detection/images/surf.jpg differ diff --git a/machine-learning/optical-character-recognition/detected-words-ocr.png b/machine-learning/optical-character-recognition/detected-words-ocr.png index 4ee60a78..5f638a02 100644 Binary files a/machine-learning/optical-character-recognition/detected-words-ocr.png and b/machine-learning/optical-character-recognition/detected-words-ocr.png differ diff --git a/machine-learning/optical-character-recognition/test.png b/machine-learning/optical-character-recognition/test.png index 1b699c97..f0c18906 100644 Binary files a/machine-learning/optical-character-recognition/test.png and b/machine-learning/optical-character-recognition/test.png differ diff --git a/machine-learning/shape-detection/monitor.jpg b/machine-learning/shape-detection/monitor.jpg index 71becb6e..a37110de 100644 Binary files a/machine-learning/shape-detection/monitor.jpg and b/machine-learning/shape-detection/monitor.jpg differ