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資源簡介

博客連接https://blog.csdn.net/qq_33591712/article/details/84947829#comments 用superpoint方法代替surf提取圖像特征，進行Python版本的圖像拼接。

資源截圖

代碼片段和文件信息 

import?cv2
import?numpy?as?np?
from?sp_extractor?import?SuperPointFrontend
class?matchers:
	def?__init__（self）:
		self.surf?=?cv2.xfeatures2d.SURF_create（）
????????????????self.detector?=?SuperPointFrontend（weights_path=“superpoint_v1.pth“
???????????????????????????????????????????nms_dist=4
???????????????????????????????????????????conf_thresh=0.015
???????????????????????????????????????????nn_thresh=0.7
???????????????????????????????????????????cuda=True）
		FLANN_INDEX_KDTREE?=?0
		index_params?=?dict（algorithm=0?trees=5）
		search_params?=?dict（checks=50）
		self.flann?=?cv2.FlannbasedMatcher（index_params?search_params）

	def?match（self?i1?i2?direction=None）:
		imageSet1?=?self.getSURFFeatures（i1）
		imageSet2?=?self.getSURFFeatures（i2）
		print?“Direction?:?“?direction
		
????????????????matches?=?self.flann.knnMatch（
			np.asarray（imageSet2[‘des‘]np.float32）
			np.asarray（imageSet1[‘des‘]np.float32）
			k=2
			）
		good?=?[]
		for?i??（m?n）?in?enumerate（matches）:
			if?m.distance?				good.append（（m.trainIdx?m.queryIdx））

		if?len（good）?>?4:
			pointsCurrent?=?imageSet2[‘kp‘]
			pointsPrevious?=?imageSet1[‘kp‘]

			matchedPointsCurrent?=?np.float32（
				[pointsCurrent[i]?for?（__?i）?in?good]
			）
			matchedPointsPrev?=?np.float32（
				[pointsPrevious[i]?for?（i?__）?in?good]
				）

			H?s?=?cv2.findHomography（matchedPointsCurrent?matchedPointsPrev?cv2.RANSAC?4）
			return?H
		return?None

	def?getSURFFeatures（self?im）:
		gray?=?cv2.cvtColor（im?cv2.COLOR_BGR2GRAY）
????????????????pts?desc?heatmap?=?self.detector.run（gray）
		#kp?des?=?self.surf.detectAndCompute（gray?None）
????????????????pts=np.delete（pts2axis=0）
????????????????desc=np.delete（desc2axis=0）
????????????????pts=np.transpose（pts）
????????????????desc=np.transpose（desc）
????????????????pts=pts.tolist（）
????????????????desc=desc.tolist（）
????????????????
????????????????return?{‘kp‘:pts?‘des‘:desc}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-11?19:38??Python-Multiple-Image-Stitching\
?????目錄???????????0??2019-01-06?21:34??Python-Multiple-Image-Stitching\.git\
?????文件??????????23??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\HEAD
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\branches\
?????文件?????????290??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\config
?????文件??????????73??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\description
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\
?????文件?????????478??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\applypatch-msg.sample
?????文件?????????896??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\commit-msg.sample
?????文件?????????189??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\post-update.sample
?????文件?????????424??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\pre-applypatch.sample
?????文件????????1642??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\pre-commit.sample
?????文件????????1348??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\pre-push.sample
?????文件????????4898??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\pre-rebase.sample
?????文件????????1239??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\prepare-commit-msg.sample
?????文件????????3610??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\hooks\update.sample
?????文件????????2248??2018-11-13?21:33??Python-Multiple-Image-Stitching\.git\index
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\info\
?????文件?????????240??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\info\exclude
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\
?????文件?????????219??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\HEAD
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\refs\
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\refs\heads\
?????文件?????????219??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\refs\heads\master
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\refs\remotes\
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\refs\remotes\origin\
?????文件?????????219??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\logs\refs\remotes\origin\HEAD
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\objects\
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\objects\04\
?????文件?????????116??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\objects\04\1d5c6cc9c2654fcc4aa830906d89369079b882
?????目錄???????????0??2018-11-11?19:22??Python-Multiple-Image-Stitching\.git\objects\07\
............此處省略198個文件信息

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