<?xml version="1.0"?><launch><node pkg="yolov7" type="YoloV7.py" name="yolov7"><!-- Path to your weight --><param name="weights_path" type="str" value="/home/cwkj/cwkj_ws/src/ros-yolov7/cfg/weights/yolov7-tiny.pt"/><!-- Path to a class_labels.txt file,if you leave it empty then no classlabels are visualized.--><param name="classes_path" type="str" value="//home/cwkj/cwkj_ws/src/ros-yolov7/cfg/config/coco.txt"/><!-- Input image topic name to subscribe to --><param name="img_topic" type="str" value="/camera/color/image_raw"/><!--[optional] Confidence threshold(default=0.25)--><param name="conf_thresh" type="double" value="0.20"/><!--[optional] Intersection over union threshold(default=0.45)--><param name="iou_thresh" type="double" value="0.45"/><!--[optional] Queue size forpublishing(default=3)--><param name="queue_size" type="int" value="1"/><!--[optional] Image size to which to resize each input image before feeding into the network(the final output is rescaled to the original image size)(default=640)--><param name="img_size" type="int" value="640"/><!--[optional] Flag whether to also publish image with the visualized detections(default=false)--><param name="visualize" type="bool" value="true"/><!--[optional] Torch device 'cuda' or 'cpu'(default="cuda")--><param name="device" type="str" value="cuda"/><!--[optional] Node frequency(default=10)--><param name="frequency" type="int" value="10"/></node></launch>
一、说明 我最近对与概率有关的问题产生了兴趣。我偶然读到了弗雷德里克莫斯特勒(Frederick Mosteller)的《概率论中的五十个具有挑战性的问题与解决方案》(Fifty Challenge Problems in Probability with Solutions)一书。我认为…
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