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{
    "dataset_name": "EventFocalStack",
    "description": "Real event focal stack samples provided by the EFS paper, annotated with manual questions. References:\n[1] Hanyue Lou, Minggui Teng, Yixin Yang, and Boxin Shi. All-in-focus Imaging from Event Focal Stack. In Proc. of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2023.",
    "questions": [
        {
            "question_id": "bike",
            "file_path": "bike.h5",
            "question": "This video records the process of changing the focal point of the lens. Which object in the scene is closest to the lens?",
            "answer": "The horizontal bar with 'D-SPAC' written on it.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。场景中的哪样东西离镜头最近?",
            "answer_cn": "写着D-SPAC的横杠。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Spatial Relationship",
            "duration": 4.72,
            "qid": "EventFocalStack_bike",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Lens",
                "Focal Point",
                "Horizontal Bar",
                "D-SPAC",
                "Closest Object"
            ],
            "choices": [
                "The board with a checkerboard pattern.",
                "The cylindrical stone pier.",
                "The bicycle wheel.",
                "The horizontal bar with 'D-SPAC' written on it."
            ],
            "choices_cn": [
                "画着棋盘格的板子。",
                "圆柱形的石墩子。",
                "自行车的轮子。",
                "写着D-SPAC的横杠。"
            ]
        },
        {
            "question_id": "checkerboard",
            "file_path": "checkerboard.h5",
            "question": "This video records the process of changing the focal point of the lens. Which object in the scene is farthest from the lens?",
            "answer": "A volleyball.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。场景中的哪样东西离镜头最远?",
            "answer_cn": "一个排球。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Spatial Relationship",
            "duration": 3.92,
            "qid": "EventFocalStack_checkerboard",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Indoors",
                "Sports",
                "Humans",
                "Volleyball"
            ],
            "choices": [
                "A color calibration board composed of squares.",
                "A bottle of shampoo.",
                "A volleyball.",
                "A book with a landscape printed on it."
            ],
            "choices_cn": [
                "一个由方格组成的色彩标定板。",
                "一瓶洗发水。",
                "一个排球。",
                "一本印着风景的书。"
            ]
        },
        {
            "question_id": "court",
            "file_path": "court.h5",
            "question": "This video records the process of changing the focal point of the lens. Which object in the scene is closest to the lens?",
            "answer": "The wire mesh fence.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。场景中的哪样东西离镜头最近?",
            "answer_cn": "铁丝网。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Spatial Relationship",
            "duration": 2.92,
            "qid": "EventFocalStack_court",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Lens",
                "Focal Point",
                "Wire Mesh Fence"
            ],
            "choices": [
                "The person playing tennis.",
                "The wire mesh fence.",
                "The net of the tennis court.",
                "A building."
            ],
            "choices_cn": [
                "正在打网球的人。",
                "铁丝网。",
                "网球场的球网。",
                "一座建筑物。"
            ]
        },
        {
            "question_id": "gate",
            "file_path": "gate.h5",
            "question": "This video records the process of changing the focal point of the lens. Which object in the scene is closest to the lens?",
            "answer": "The swaying plant.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。场景里的哪样东西离镜头最近?",
            "answer_cn": "正在晃动的植物。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Spatial Relationship",
            "duration": 2.55,
            "qid": "EventFocalStack_gate",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Indoors",
                "Plants",
                "Lens",
                "Focal Point"
            ],
            "choices": [
                "The wire mesh fence.",
                "The swaying plant.",
                "The person walking on the playground.",
                "A building."
            ],
            "choices_cn": [
                "铁丝网。",
                "正在晃动的植物。",
                "正在操场里行走的人。",
                "一座建筑物。"
            ]
        },
        {
            "question_id": "hand",
            "file_path": "hand.h5",
            "question": "This video records the process of changing the focal point of the lens. Which object in the scene is closest to the lens?",
            "answer": "A hand with a thumbs-up.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。场景里的哪样东西离镜头最近?",
            "answer_cn": "一只竖起大拇指的手。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Spatial Relationship",
            "duration": 3.53,
            "qid": "EventFocalStack_hand",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Indoors",
                "Humans",
                "Hand",
                "Lens",
                "Focal Point"
            ],
            "choices": [
                "A hand with a thumbs-up.",
                "A 'grounding' sign.",
                "A fire hydrant.",
                "A marble wall."
            ],
            "choices_cn": [
                "一只竖起大拇指的手。",
                "一个‘接地’标识牌。",
                "一个消防栓。",
                "一面大理石质地的墙。"
            ]
        },
        {
            "question_id": "mouse",
            "file_path": "mouse.h5",
            "question": "This video records the process of changing the focal point of the lens. Which object in the scene is farthest from the lens?",
            "answer": "A plush toy.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。场景里的哪样东西离镜头最远?",
            "answer_cn": "一个毛绒玩偶。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Spatial Relationship",
            "duration": 4.49,
            "qid": "EventFocalStack_mouse",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Indoors",
                "Objects",
                "Lens",
                "Focal Point",
                "Plush Toy"
            ],
            "choices": [
                "A bottle of shampoo.",
                "A hard sculpture.",
                "A plush toy.",
                "A pair of scissors."
            ],
            "choices_cn": [
                "一瓶洗发水。",
                "一个硬质雕塑。",
                "一个毛绒玩偶。",
                "一把剪刀。"
            ]
        },
        {
            "question_id": "penguin",
            "file_path": "penguin.h5",
            "question": "This video records the process of changing the focal point of the lens. Which description best fits the doll in the scene?",
            "answer": "It has one eye open and one eye closed, with a mischievous look.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。哪条描述最符合场景里的玩偶?",
            "answer_cn": "它一眼睁一眼闭,作出调皮神色。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Attribute Recognition",
            "duration": 2.16,
            "qid": "EventFocalStack_penguin",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Doll",
                "Eyes",
                "Mischievous"
            ],
            "choices": [
                "It is shaped like an octopus.",
                "It has a very prominent big nose.",
                "It is wearing a baseball cap on its head.",
                "It has one eye open and one eye closed, with a mischievous look."
            ],
            "choices_cn": [
                "它的造型像一只章鱼。",
                "它有一个非常显眼的大鼻子。",
                "它的头顶戴着一个棒球帽。",
                "它一眼睁一眼闭,作出调皮神色。"
            ]
        },
        {
            "question_id": "shampoo",
            "file_path": "shampoo.h5",
            "question": "This video records the process of changing the focal point of the lens. Which object in the scene is farthest from the lens?",
            "answer": "A box with 'IKKOR LENS' written on it.",
            "question_cn": "这段视频记录了镜头焦点变化的过程。场景里的哪样东西离镜头最远?",
            "answer_cn": "一个写着IKKOR LENS的盒子。",
            "has_images": false,
            "camera_type": "Prophesee EVK4-HD",
            "resolution": "1280x720",
            "question_type": "Spatial Relationship",
            "duration": 5.38,
            "qid": "EventFocalStack_shampoo",
            "dataset_name": "EventFocalStack",
            "keywords": [
                "Lens",
                "Box",
                "Text"
            ],
            "choices": [
                "A board with a checkerboard pattern.",
                "A cartoon plush toy.",
                "A box with 'IKKOR LENS' written on it.",
                "A bottle of shampoo with 'SELSUN Blue' written on it."
            ],
            "choices_cn": [
                "一块画着棋盘格的板子。",
                "一个卡通毛绒玩偶。",
                "一个写着IKKOR LENS的盒子。",
                "一瓶写着SELSUN Blue的洗发水。"
            ]
        }
    ]
}