{
    "indexes": [
        {
            "displayName": "Screen Diff Block",
            "indexer": [
                {
                    "action": "indexHSV",
                    "options": {
                        "tolerance": 0.05
                    }
                },
                {
                    "action": "sharpen",
                    "options": {
                        "sharpness": 4.0
                    }
                },
                {
                    "action": "crop",
                    "options": {
                        "color": "$block.colors",
                        "x1": "$block.bounding_box.x1",
                        "x2": "$block.bounding_box.x2",
                        "y1": "$block.bounding_box.y1",
                        "y2": "$block.bounding_box.y2"
                    }
                },
                {
                    "action": "createIndex",
                    "options": {}
                }
            ],
            "name": "diff_block",
            "ocr": [
                {
                    "action": "indexHSV",
                    "options": {
                        "tolerance": 0.05
                    }
                },
                {
                    "action": "sharpen",
                    "options": {
                        "sharpness": 4.0
                    }
                },
                {
                    "action": "findShortlistByIndex"
                },
                {
                    "action": "expandShortlist"
                },
                {
                    "action": "crop",
                    "options": {
                        "color": "$block.colors",
                        "x1": "$block.bounding_box.x1",
                        "x2": "$block.bounding_box.x2",
                        "y1": "$block.bounding_box.y1",
                        "y2": "$block.bounding_box.y2"
                    }
                },
                {
                    "action": "diffImage",
                    "options": {
                        "image": "$block.index_image"
                    }
                }
            ]
        }
]
}