[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fyM8IoyCpyBXRRHuR20AaRNsflqGXM6eYqgIGJpkfgRo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2024-12-30 10:41:30",175119928,[8,9,10,11],"0.125","0.167","0.25","0.01",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","用30万像素相机(分辨率640&times;480)拍摄80mm的视场,则精度为( )",[18,29,38,46,49,56,65,74,83,90],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],175119925,[22,23,24,25],"6","8","10","12","位图、Lab、RGB、灰度和CMYK图像中每个像素的色彩各需要几位数据描述? ( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],175119926,[33,34,35,36],"条形光源","环形光源","同轴光源","背光源","检测金属表面划伤可选择( )光源",{"answer":39,"createTime":5,"id":40,"options":41,"question":45,"source":27,"type":28},[],175119927,[42,43,44,11],"0.041","0.031","0.75","用500万像素相机(分辨率2592&times;1944)拍摄80mm的视场,则精度为( )",{"answer":47,"createTime":5,"id":6,"options":48,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":50,"createTime":5,"id":51,"options":52,"question":55,"source":27,"type":28},[],175119929,[53,23,54,24],"7","9","机器视觉定位分拣工作应该包含()个流程",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],175119930,[60,61,62,63],"开销小、计算快","梯度为0时神经元难以正常工作","提高网络训练速度","解决了梯度消失问题","AlexNet使用ReLU激活函数的好处不包括以下哪个方面",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],175119931,[69,70,71,72],"0.5","1","2","3","常见的光圈F值是( )",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],175119932,[78,79,80,81],"光源","镜头","相机","图像处理系统","是影响机器视觉系统输入的重要因素,它直接影响输入数据的质量和应用效果.主要目的是使重要特征和非必要特征产生最大的对比度,即将目标的重要特征显现出来,而同时将不需要的特征抑制掉,最终形成对处理过程最佳的图像效果",{"answer":84,"createTime":5,"id":85,"options":86,"question":89,"source":27,"type":28},[],175119933,[87,43,88,11],"0.067","0.029","用200万像素相机(分辨率1600&times;1200)拍摄80mm的视场,则精度为( )",{"answer":91,"createTime":92,"id":93,"options":94,"question":99,"source":27,"type":28},[],"2024-12-30 10:41:31",175119934,[95,96,97,98],"白光","红光","蓝光","绿光","用( ) 照射,照射蓝色对象的光被反射,照射绿色、红色对象的光被吸收"]