Datasets:
Download tools/Validators/Printer.py from stephanieysh/MetaPKLot-Dataset: direct link, hf CLI and curl.
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- Download file 5.88 kB
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https://huggingface.co/datasets/stephanieysh/MetaPKLot-Dataset/resolve/main/tools/Validators/Printer.py
- Command line
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hf download hf://datasets/stephanieysh/MetaPKLot-Dataset/tools/Validators/Printer.py
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curl -L -o Printer.py https://huggingface.co/datasets/stephanieysh/MetaPKLot-Dataset/resolve/main/tools/Validators/Printer.py
5.88 kB
| import numpy as np | |
| import cv2 | |
| import random | |
| class Printer: | |
| #print the labels and show the images | |
| #pathRootImgs = path to the root directory containing the images | |
| #dictImgsLabels = dictionary relating the path of each image and the annotations | |
| def print(self,pathRootImgs, dictImgsLabels, subset_filenames): | |
| for key in sorted(dictImgsLabels): | |
| if subset_filenames and key not in subset_filenames: | |
| continue | |
| path = pathRootImgs + '/' + key | |
| masks = dictImgsLabels[key].masks | |
| occupied = dictImgsLabels[key].occupiedRRs | |
| empty = dictImgsLabels[key].emptyRRs | |
| unknown = dictImgsLabels[key].unknownRRs | |
| print(path) | |
| print('\tMasks: ', len(masks), ' Parking Spaces: ', len(occupied) + len(empty) + len(unknown), | |
| ' Occupied: ', len(occupied), ' Empty: ', len(empty), ' Unknown: ', len(unknown)) | |
| img = cv2.imread(path) | |
| original = img.copy() | |
| self._printBorders(img, dictImgsLabels[key].annotationsRectangleP1, dictImgsLabels[key].annotationsRectangleP2) | |
| self._printPoligons(img, masks) | |
| ret, mosaicOccupied, mosaicEmpty, mosaicUnknown = self._printParkingSpaces(original, occupied, empty, unknown) | |
| cv2.imshow('Image',img) | |
| cv2.imshow('Empty',mosaicEmpty) | |
| cv2.imshow('Occupied',mosaicOccupied) | |
| cv2.imshow('Unknown',mosaicUnknown) | |
| k = cv2.waitKey(0) | |
| if k == ord('q'): # wait for 's' key to save and exit | |
| break | |
| self._printBorders(ret, dictImgsLabels[key].annotationsRectangleP1, dictImgsLabels[key].annotationsRectangleP2) | |
| cv2.imshow('Image',ret) | |
| k = cv2.waitKey(0) | |
| if k == ord('q'): # wait for 's' key to save and exit | |
| break | |
| def _printBorders(self, img, annotationsRectangleP1, annotationsRectangleP2): | |
| cv2.rectangle(img, annotationsRectangleP1, annotationsRectangleP2, (180, 105, 255), 4) | |
| def _printPoligons(self, img, poligonsList): | |
| imgMask = img.copy() | |
| for polys in poligonsList:#one instance may have multiple polygons demarcating it (due of occlusions) | |
| for p in polys: | |
| pts = np.array(p, np.int32) | |
| pts = pts.reshape((1,-1,2)) | |
| cv2.drawContours(img, pts, -1, (255,0,0), 2) | |
| cv2.drawContours(imgMask, pts, -1, (255,0,0), 2) | |
| cv2.drawContours(imgMask, pts, -1, (random.randint(127, 255), | |
| random.randint(127, 255), | |
| random.randint(127, 255)), -1) | |
| cv2.addWeighted(img, 0.5, imgMask, 0.5, 0.0,img) | |
| return | |
| def _printParkingSpaces(self, img, occupiedRRs, emptyRRs, unknownRRs = []): | |
| ret = img.copy() | |
| occupiedImgs = list() | |
| emptyImgs = list() | |
| unknownImgs = list() | |
| imgsWidth = 96 | |
| imgsHeight = 96 | |
| for rro in occupiedRRs: | |
| occupiedImgs.append(self.crop_minAreaRect(img, ((rro[0], rro[1]),(rro[2], rro[3]), rro[4]), imgsWidth)) | |
| box = cv2.boxPoints(((rro[0], rro[1]),(rro[2], rro[3]), rro[4])) | |
| box = np.int0(box) | |
| cv2.drawContours(ret, [box], -1, (0,0,255), 2) | |
| for rre in emptyRRs: | |
| emptyImgs.append(self.crop_minAreaRect(img, ((rre[0], rre[1]),(rre[2], rre[3]), rre[4]), imgsWidth)) | |
| box = cv2.boxPoints(((rre[0], rre[1]),(rre[2], rre[3]), rre[4])) | |
| box = np.int0(box) | |
| cv2.drawContours(ret, [box], -1, (0,255,0), 2) | |
| for rru in unknownRRs: | |
| unknownImgs.append(self.crop_minAreaRect(img, ((rru[0], rru[1]),(rru[2], rru[3]), rru[4]), imgsWidth)) | |
| box = cv2.boxPoints(((rru[0], rru[1]),(rru[2], rru[3]), rru[4])) | |
| box = np.int0(box) | |
| cv2.drawContours(ret, [box], -1, (255,0,0), 2) | |
| mosaicOccupied = self._drawMosaic(occupiedImgs, imgsWidth, imgsHeight, mosaicWidth = 576) | |
| mosaicEmpty = self._drawMosaic(emptyImgs, imgsWidth, imgsHeight, mosaicWidth = 576) | |
| mosaicUnknown = self._drawMosaic(unknownImgs, imgsWidth, imgsHeight, mosaicWidth = 576) | |
| return ret, mosaicOccupied, mosaicEmpty, mosaicUnknown | |
| def _drawMosaic(self, images, imgsWidth, imgsHeight ,mosaicWidth = 576): | |
| numImgs = len(images) | |
| imgsByLine = mosaicWidth/imgsWidth | |
| numCols = numImgs/imgsByLine | |
| if numImgs % imgsByLine != 0: | |
| numCols = numCols + 1; | |
| if numCols == 0: | |
| numCols = 1 | |
| mosaic = np.zeros((int(numCols*imgsHeight), mosaicWidth,3), np.uint8) | |
| y_offset = 0 | |
| x_offset = 0; | |
| for img in images: | |
| mosaic[y_offset:y_offset+img.shape[0], x_offset:x_offset+img.shape[1]] = img | |
| x_offset = x_offset + imgsWidth | |
| if mosaicWidth - x_offset < imgsWidth: | |
| x_offset = 0 | |
| y_offset = y_offset + imgsHeight | |
| return mosaic | |
| def crop_minAreaRect(self, img, rr, size): | |
| box = cv2.boxPoints(rr) | |
| box = np.int0(box) | |
| width = int(rr[1][0]) | |
| height = int(rr[1][1]) | |
| srcPts = box.astype("float32") | |
| dstPts = np.array([[0, height-1], | |
| [0, 0], | |
| [width-1, 0], | |
| [width-1, height-1]], dtype="float32") | |
| M = cv2.getPerspectiveTransform(srcPts, dstPts) | |
| warped = cv2.warpPerspective(img, M, (width, height)) | |
| mx = max(width,height) | |
| result = np.zeros((mx,mx,3),np.uint8) | |
| cx,cy = (mx - width)//2,(mx - height)//2 | |
| result[cy:warped.shape[0]+cy,cx:cx+warped.shape[1]] = warped | |
| result = cv2.resize(result, (size,size), interpolation = cv2.INTER_AREA) | |
| return result |