{"id":336,"date":"2026-01-30T15:24:55","date_gmt":"2026-01-30T07:24:55","guid":{"rendered":"https:\/\/connectword.dpdns.org\/?p=336"},"modified":"2026-01-30T15:24:55","modified_gmt":"2026-01-30T07:24:55","slug":"a-coding-deep-dive-into-differentiable-computer-vision-with-kornia-using-geometry-optimization-loftr-matching-and-gpu-augmentations","status":"publish","type":"post","link":"https:\/\/connectword.dpdns.org\/?p=336","title":{"rendered":"A Coding Deep Dive into Differentiable Computer Vision with Kornia Using Geometry Optimization, LoFTR Matching, and GPU Augmentations"},"content":{"rendered":"

We implement an advanced, end-to-end Kornia<\/strong><\/a> tutorial and demonstrate how modern, differentiable computer vision can be built entirely in PyTorch. We start by constructing GPU-accelerated, synchronized augmentation pipelines for images, masks, and keypoints, then move into differentiable geometry by optimizing a homography directly through gradient descent. We also show how learned feature matching with LoFTR integrates with Kornia\u2019s RANSAC to estimate robust homographies and produce a simple stitched output, even under constrained or offline-safe conditions. Finally, we ground these ideas in practice by training a lightweight CNN on CIFAR-10 using Kornia\u2019s GPU augmentations, highlighting how research-grade vision pipelines translate naturally into learning systems. Check out the\u00a0FULL CODES here<\/a><\/strong>.<\/p>\n

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import os, math, time, random, urllib.request\nfrom dataclasses import dataclass\nfrom typing import Tuple\n\n\nimport sys, subprocess\ndef pip_install(pkgs):\n   subprocess.check_call([sys.executable, \"-m\", \"pip\", \"install\", \"-q\"] + pkgs)\n\n\npip_install([\n   \"kornia==0.8.2\",\n   \"torch\",\n   \"torchvision\",\n   \"matplotlib\",\n   \"numpy\",\n   \"opencv-python-headless\"\n])\n\n\nimport numpy as np\nimport torch\nimport torch.nn as nn\nimport torch.nn.functional as F\nimport torchvision\nimport torchvision.transforms.functional as TF\nimport matplotlib.pyplot as plt\nimport cv2\n\n\nimport kornia\nimport kornia.augmentation as K\nimport kornia.geometry.transform as KG\nfrom kornia.geometry.ransac import RANSAC\nfrom kornia.feature import LoFTR\n\n\ntorch.manual_seed(0)\nnp.random.seed(0)\nrandom.seed(0)\n\n\nprint(\"Torch:\", torch.__version__)\nprint(\"Kornia:\", kornia.__version__)\nprint(\"Device:\", device)<\/code><\/pre>\n<\/div>\n<\/div>\n
We begin by setting up a fully reproducible environment, installing Kornia and its core dependencies to ensure GPU-accelerated, differentiable computer vision runs smoothly in Google Colab. We then import and organize PyTorch, Kornia, and supporting libraries, establishing a clean foundation for geometry, augmentation, and feature-matching workflows. We set the random seed and select the available compute device so that all subsequent experiments remain deterministic, debuggable, and performance-aware. Check out the\u00a0FULL CODES here<\/a><\/strong>.<\/p>\n
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def to_tensor_img_uint8(img_bgr_uint8: np.ndarray) -> torch.Tensor:\n   img_rgb = cv2.cvtColor(img_bgr_uint8, cv2.COLOR_BGR2RGB)\n   t = torch.from_numpy(img_rgb).permute(2, 0, 1).float() \/ 255.0\n   return t.unsqueeze(0)\n\n\ndef show(img_t: torch.Tensor, title: str = \"\", max_size: int = 900):\n   x = img_t.detach().float().cpu().clamp(0, 1)\n   if x.shape[1] == 1:\n       x = x.repeat(1, 3, 1, 1)\n   x = x[0].permute(1, 2, 0).numpy()\n   h, w = x.shape[:2]\n   scale = min(1.0, max_size \/ max(h, w))\n   if scale < 1.0:\n       x = cv2.resize(x, (int(w * scale), int(h * scale)), interpolation=cv2.INTER_AREA)\n   plt.figure(figsize=(7, 5))\n   plt.imshow(x)\n   plt.axis(\"off\")\n   plt.title(title)\n   plt.show()\n\n\ndef show_mask(mask_t: torch.Tensor, title: str = \"\"):\n   x = mask_t.detach().float().cpu().clamp(0, 1)[0, 0].numpy()\n   plt.figure(figsize=(6, 4))\n   plt.imshow(x)\n   plt.axis(\"off\")\n   plt.title(title)\n   plt.show()\n\n\ndef download(url: str, path: str):\n   os.makedirs(os.path.dirname(path), exist_ok=True)\n   if not os.path.exists(path):\n       urllib.request.urlretrieve(url, path)\n\n\ndef safe_download(url: str, path: str) -> bool:\n   try:\n       os.makedirs(os.path.dirname(path), exist_ok=True)\n       if not os.path.exists(path):\n           urllib.request.urlretrieve(url, path)\n       return True\n   except Exception as e:\n       print(\"Download failed:\", e)\n       return False\n\n\ndef make_grid_mask(h: int, w: int, cell: int = 32) -> torch.Tensor:\n   yy, xx = torch.meshgrid(torch.arange(h), torch.arange(w), indexing=\"ij\")\n   m = (((yy \/\/ cell) % 2) ^ ((xx \/\/ cell) % 2)).float()\n   return m.unsqueeze(0).unsqueeze(0)\n\n\ndef draw_matches(img0_rgb: np.ndarray, img1_rgb: np.ndarray, pts0: np.ndarray, pts1: np.ndarray, max_draw: int = 200) -> np.ndarray:\n   h0, w0 = img0_rgb.shape[:2]\n   h1, w1 = img1_rgb.shape[:2]\n   out = np.zeros((max(h0, h1), w0 + w1, 3), dtype=np.uint8)\n   out[:h0, :w0] = img0_rgb\n   out[:h1, w0:w0+w1] = img1_rgb\n   n = min(len(pts0), len(pts1), max_draw)\n   if n == 0:\n       return out\n   idx = np.random.choice(len(pts0), size=n, replace=False) if len(pts0) > n else np.arange(n)\n   for i in idx:\n       x0, y0 = pts0[i]\n       x1, y1 = pts1[i]\n       x1_shift = x1 + w0\n       p0 = (int(round(x0)), int(round(y0)))\n       p1 = (int(round(x1_shift)), int(round(y1)))\n       cv2.circle(out, p0, 2, (255, 255, 255), -1, lineType=cv2.LINE_AA)\n       cv2.circle(out, p1, 2, (255, 255, 255), -1, lineType=cv2.LINE_AA)\n       cv2.line(out, p0, p1, (255, 255, 255), 1, lineType=cv2.LINE_AA)\n   return out\n\n\ndef normalize_img_for_loftr(img_rgb01: torch.Tensor) -> torch.Tensor:\n   if img_rgb01.shape[1] == 3:\n       return kornia.color.rgb_to_grayscale(img_rgb01)\n   return img_rgb01<\/code><\/pre>\n<\/div>\n<\/div>\n
We define a set of reusable helper utilities for image conversion, visualization, safe data downloading, and synthetic mask generation, keeping the vision pipeline clean and modular. We also implement robust visualization and matching helpers that allow us to inspect augmented images, masks, and LoFTR correspondences directly during experimentation. We normalize image inputs to the exact tensor formats expected by Kornia and LoFTR, ensuring that all downstream geometry and feature-matching components operate consistently and correctly. Check out the\u00a0FULL CODES here<\/a><\/strong>.<\/p>\n
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print(\"n[1] Differentiable augmentations: image + mask + keypoints\")\n\n\nB, C, H, W = 1, 3, 256, 384\nimg = torch.rand(B, C, H, W, device=device)\nmask = make_grid_mask(H, W, cell=24).to(device)\n\n\nkps = torch.tensor([[\n   [40.0, 40.0],\n   [W - 50.0, 50.0],\n   [W * 0.6, H * 0.8],\n   [W * 0.25, H * 0.65],\n]], device=device)\n\n\naug = K.AugmentationSequential(\n   K.RandomResizedCrop((224, 224), scale=(0.6, 1.0), ratio=(0.8, 1.25), p=1.0),\n   K.RandomHorizontalFlip(p=0.5),\n   K.RandomRotation(degrees=18.0, p=0.7),\n   K.ColorJiggle(0.2, 0.2, 0.2, 0.1, p=0.8),\n   data_keys=[\"input\", \"mask\", \"keypoints\"],\n   same_on_batch=True\n).to(device)\n\n\nimg_aug, mask_aug, kps_aug = aug(img, mask, kps)\n\n\nprint(\"image:\", tuple(img.shape), \"->\", tuple(img_aug.shape))\nprint(\"mask :\", tuple(mask.shape), \"->\", tuple(mask_aug.shape))\nprint(\"kps  :\", tuple(kps.shape), \"->\", tuple(kps_aug.shape))\nprint(\"Example keypoints (before -> after):\")\nprint(torch.cat([kps[0], kps_aug[0]], dim=1))\n\n\nshow(img, \"Original (synthetic)\")\nshow_mask(mask, \"Original mask (synthetic)\")\nshow(img_aug, \"Augmented (synced)\")\nshow_mask(mask_aug, \"Augmented mask (synced)\")<\/code><\/pre>\n<\/div>\n<\/div>\n
We construct a synchronized, fully differentiable augmentation pipeline that applies the same geometric transformations to images, masks, and keypoints on the GPU. We generate synthetic data to clearly demonstrate how spatial consistency is preserved across modalities while still introducing realistic variability through cropping, rotation, flipping, and color jitter. We visualize the before-and-after results to verify that the augmented images, segmentation masks, and keypoints remain perfectly aligned after transformation. Check out the\u00a0FULL CODES here<\/a><\/strong>.<\/p>\n
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print(\"n[2] Differentiable homography alignment by optimization\")\n\n\nbase = torch.rand(1, 1, 240, 320, device=device)\nshow(base, \"Base image (grayscale)\")\n\n\ntrue_H_px = torch.eye(3, device=device).unsqueeze(0)\ntrue_H_px[:, 0, 2] = 18.0\ntrue_H_px[:, 1, 2] = -12.0\ntrue_H_px[:, 0, 1] = 0.03\ntrue_H_px[:, 1, 0] = -0.02\ntrue_H_px[:, 2, 0] = 1e-4\ntrue_H_px[:, 2, 1] = -8e-5\n\n\ntarget = KG.warp_perspective(base, true_H_px, dsize=(base.shape[-2], base.shape[-1]), align_corners=True)\nshow(target, \"Target (base warped by true homography)\")\n\n\np = torch.zeros(1, 8, device=device, requires_grad=True)\n\n\ndef params_to_H(p8: torch.Tensor) -> torch.Tensor:\n   Bp = p8.shape[0]\n   Hm = torch.eye(3, device=p8.device).unsqueeze(0).repeat(Bp, 1, 1)\n   Hm[:, 0, 0] = 1.0 + p8[:, 0]\n   Hm[:, 0, 1] = p8[:, 1]\n   Hm[:, 0, 2] = p8[:, 2]\n   Hm[:, 1, 0] = p8[:, 3]\n   Hm[:, 1, 1] = 1.0 + p8[:, 4]\n   Hm[:, 1, 2] = p8[:, 5]\n   Hm[:, 2, 0] = p8[:, 6]\n   Hm[:, 2, 1] = p8[:, 7]\n   return Hm\n\n\nopt = torch.optim.Adam([p], lr=0.08)\nlosses = []\nfor step in range(120):\n   opt.zero_grad(set_to_none=True)\n   H_est = params_to_H(p)\n   pred = KG.warp_perspective(base, H_est, dsize=(base.shape[-2], base.shape[-1]), align_corners=True)\n   loss_photo = (pred - target).abs().mean()\n   loss_reg = 1e-3 * (p ** 2).mean()\n   loss = loss_photo + loss_reg\n   loss.backward()\n   opt.step()\n   losses.append(loss.item())\n\n\nprint(\"Final loss:\", losses[-1])\nplt.figure(figsize=(6,4))\nplt.plot(losses)\nplt.title(\"Homography optimization loss\")\nplt.xlabel(\"step\")\nplt.ylabel(\"loss\")\nplt.show()\n\n\nH_est_final = params_to_H(p.detach())\npred_final = KG.warp_perspective(base, H_est_final, dsize=(base.shape[-2], base.shape[-1]), align_corners=True)\nshow(pred_final, \"Recovered warp (optimized)\")\nshow((pred_final - target).abs(), \"Abs error (recovered vs target)\")\n\n\nprint(\"True H (pixel):n\", true_H_px.squeeze(0).detach().cpu().numpy())\nprint(\"Est  H:n\", H_est_final.squeeze(0).detach().cpu().numpy())<\/code><\/pre>\n<\/div>\n<\/div>\n
We demonstrate that geometric alignment can be treated as a differentiable optimization problem by directly recovering a homography via gradient descent. We first generate a target image by warping a base image with a known homography and then learn the transformation parameters by minimizing a photometric reconstruction loss with regularization. Also, we visualize the optimized warp and error map to confirm that the estimated homography closely matches the ground-truth transformation. Check out the\u00a0FULL CODES here<\/a><\/strong>.<\/p>\n
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print(\"n[3] LoFTR matching + RANSAC homography + stitching (403-safe)\")\n\n\ndata_dir = \"\/content\/kornia_demo\"\nos.makedirs(data_dir, exist_ok=True)\n\n\nimg0_path = os.path.join(data_dir, \"img0.png\")\nimg1_path = os.path.join(data_dir, \"img1.png\")\n\n\nok0 = safe_download(\n   \"https:\/\/raw.githubusercontent.com\/opencv\/opencv\/master\/samples\/data\/graf1.png\",\n   img0_path\n)\nok1 = safe_download(\n   \"https:\/\/raw.githubusercontent.com\/opencv\/opencv\/master\/samples\/data\/graf3.png\",\n   img1_path\n)\n\n\nif not (ok0 and ok1):\n   print(\"\"\u26a0\" Using synthetic fallback images (no network \/ blocked downloads)\")\n\n\n   base_rgb = torch.rand(1, 3, 480, 640, device=device)\n   H_syn = torch.tensor([[\n       [1.0, 0.05, 40.0],\n       [-0.03, 1.0, 25.0],\n       [1e-4, -8e-5, 1.0]\n   ]], device=device)\n\n\n   t0 = base_rgb\n   t1 = KG.warp_perspective(base_rgb, H_syn, dsize=(480, 640), align_corners=True)\n\n\n   img0_rgb = (t0[0].permute(1,2,0).detach().cpu().numpy() * 255).astype(np.uint8)\n   img1_rgb = (t1[0].permute(1,2,0).detach().cpu().numpy() * 255).astype(np.uint8)\n\n\nelse:\n   img0_bgr = cv2.imread(img0_path, cv2.IMREAD_COLOR)\n   img1_bgr = cv2.imread(img1_path, cv2.IMREAD_COLOR)\n   if img0_bgr is None or img1_bgr is None:\n       raise RuntimeError(\"Failed to load downloaded images.\")\n\n\n   img0_rgb = cv2.cvtColor(img0_bgr, cv2.COLOR_BGR2RGB)\n   img1_rgb = cv2.cvtColor(img1_bgr, cv2.COLOR_BGR2RGB)\n\n\n   t0 = to_tensor_img_uint8(img0_bgr).to(device)\n   t1 = to_tensor_img_uint8(img1_bgr).to(device)\n\n\nshow(t0, \"Image 0\")\nshow(t1, \"Image 1\")\n\n\ng0 = normalize_img_for_loftr(t0)\ng1 = normalize_img_for_loftr(t1)\n\n\nloftr = LoFTR(pretrained=\"outdoor\").to(device).eval()\n\n\nwith torch.inference_mode():\n   correspondences = loftr({\"image0\": g0, \"image1\": g1})\n\n\nmkpts0 = correspondences[\"keypoints0\"]\nmkpts1 = correspondences[\"keypoints1\"]\nmconf = correspondences.get(\"confidence\", None)\n\n\nprint(\"Raw matches:\", mkpts0.shape[0])\n\n\nif mkpts0.shape[0] < 8:\n   raise RuntimeError(\"Too few matches to estimate homography.\")\n\n\nif mconf is not None:\n   mconf = mconf.detach()\n   topk = min(2000, mkpts0.shape[0])\n   idx = torch.topk(mconf, k=topk, largest=True).indices\n   mkpts0 = mkpts0[idx]\n   mkpts1 = mkpts1[idx]\n   print(\"Kept top matches:\", mkpts0.shape[0])\n\n\nransac = RANSAC(\n   model_type=\"homography\",\n   inl_th=3.0,\n   batch_size=4096,\n   max_iter=10,\n   confidence=0.999,\n   max_lo_iters=5\n).to(device)\n\n\nwith torch.inference_mode():\n   H01, inliers = ransac(mkpts0, mkpts1)\n\n\nprint(\"Estimated H shape:\", tuple(H01.shape))\nprint(\"Inliers:\", int(inliers.sum().item()), \"\/\", int(inliers.numel()))\n\n\nvis = draw_matches(\n   img0_rgb,\n   img1_rgb,\n   mkpts0.detach().cpu().numpy(),\n   mkpts1.detach().cpu().numpy(),\n   max_draw=250\n)\n\n\nplt.figure(figsize=(10,5))\nplt.imshow(vis)\nplt.axis(\"off\")\nplt.title(\"LoFTR matches (subset)\")\nplt.show()\n\n\nH01 = H01.unsqueeze(0) if H01.ndim == 2 else H01\nwarped0 = KG.warp_perspective(t0, H01, dsize=(t1.shape[-2], t1.shape[-1]), align_corners=True)\nstitched = torch.max(warped0, t1)\n\n\nshow(warped0, \"Image0 warped into Image1 frame (via RANSAC homography)\")\nshow(stitched, \"Simple stitched blend (max)\")<\/code><\/pre>\n<\/div>\n<\/div>\n
We perform learned feature matching using LoFTR to establish dense correspondences between two images, while ensuring robustness through a network-safe fallback mechanism. We then apply Kornia\u2019s RANSAC to estimate a stable homography from these matches and warp one image into the coordinate frame of the other. We visualize the correspondences and produce a simple stitched result to validate the geometric alignment end-to-end. Check out the\u00a0FULL CODES here<\/a><\/strong>.<\/p>\n
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print(\"n[4] Mini training loop with Kornia augmentations (fast subset)\")\n\n\ncifar = torchvision.datasets.CIFAR10(root=\"\/content\/data\", train=True, download=True)\nnum_samples = 4096\nindices = np.random.permutation(len(cifar))[:num_samples]\nsubset = torch.utils.data.Subset(cifar, indices.tolist())\n\n\ndef collate(batch):\n   imgs = []\n   labels = []\n   for im, y in batch:\n       imgs.append(TF.to_tensor(im))\n       labels.append(y)\n   return torch.stack(imgs, 0), torch.tensor(labels)\n\n\nloader = torch.utils.data.DataLoader(\n   subset, batch_size=256, shuffle=True, num_workers=2, pin_memory=True, collate_fn=collate\n)\n\n\naug_train = K.ImageSequential(\n   K.RandomHorizontalFlip(p=0.5),\n   K.RandomAffine(degrees=12.0, translate=(0.08, 0.08), scale=(0.9, 1.1), p=0.7),\n   K.ColorJiggle(0.2, 0.2, 0.2, 0.1, p=0.8),\n   K.RandomGaussianBlur((3, 3), (0.1, 1.5), p=0.3),\n).to(device)\n\n\nclass TinyCifarNet(nn.Module):\n   def __init__(self, num_classes=10):\n       super().__init__()\n       self.conv1 = nn.Conv2d(3, 48, 3, padding=1)\n       self.conv2 = nn.Conv2d(48, 96, 3, padding=1)\n       self.conv3 = nn.Conv2d(96, 128, 3, padding=1)\n       self.head  = nn.Linear(128, num_classes)\n   def forward(self, x):\n       x = F.relu(self.conv1(x))\n       x = F.max_pool2d(x, 2)\n       x = F.relu(self.conv2(x))\n       x = F.max_pool2d(x, 2)\n       x = F.relu(self.conv3(x))\n       x = x.mean(dim=(-2, -1))\n       return self.head(x)\n\n\nmodel = TinyCifarNet().to(device)\nopt = torch.optim.AdamW(model.parameters(), lr=2e-3, weight_decay=1e-4)\n\n\nmodel.train()\nt_start = time.time()\nrunning = []\nfor it, (xb, yb) in enumerate(loader):\n   xb = xb.to(device, non_blocking=True)\n   yb = yb.to(device, non_blocking=True)\n\n\n   xb = aug_train(xb)\n   logits = model(xb)\n   loss = F.cross_entropy(logits, yb)\n\n\n   opt.zero_grad(set_to_none=True)\n   loss.backward()\n   opt.step()\n\n\n   running.append(loss.item())\n   if (it + 1) % 10 == 0:\n       print(f\"iter {it+1:03d}\/{len(loader)} | loss {np.mean(running[-10:]):.4f}\")\n\n\n   if it >= 39:\n       break\n\n\nprint(\"Done in\", round(time.time() - t_start, 2), \"sec\")\nplt.figure(figsize=(6,4))\nplt.plot(running)\nplt.title(\"Training loss (quick demo)\")\nplt.xlabel(\"iteration\")\nplt.ylabel(\"loss\")\nplt.show()\n\n\nxb0, yb0 = next(iter(loader))\nxb0 = xb0[:8].to(device)\nxbA = aug_train(xb0)\n\n\ndef tile8(x):\n   x = x.detach().cpu().clamp(0,1)\n   grid = torchvision.utils.make_grid(x, nrow=4)\n   return grid.permute(1,2,0).numpy()\n\n\nplt.figure(figsize=(10,5))\nplt.imshow(tile8(xb0))\nplt.axis(\"off\")\nplt.title(\"CIFAR batch (original)\")\nplt.show()\n\n\nplt.figure(figsize=(10,5))\nplt.imshow(tile8(xbA))\nplt.axis(\"off\")\nplt.title(\"CIFAR batch (Kornia-augmented on GPU)\")\nplt.show()\n\n\nprint(\"n\"\u2705\" Tutorial complete.\")\nprint(\"Next ideas:\")\nprint(\"- Feathered stitching (soft masks) instead of max-blend.\")\nprint(\"- Compare LoFTR vs DISK\/LightGlue using kornia.feature.\")\nprint(\"- Multi-scale homography optimization + SSIM\/Charbonnier losses.\")<\/code><\/pre>\n<\/div>\n<\/div>\n
We demonstrate how Kornia\u2019s GPU-based augmentations integrate directly into a standard training loop by applying them on the fly to a subset of the CIFAR-10 dataset. We train a lightweight convolutional network end-to-end, demonstrating that differentiable augmentations incur minimal overhead while improving data diversity. At last, we visualize original versus augmented batches to confirm that the transformations are applied consistently and efficiently during learning.<\/p>\n
In conclusion, we demonstrated that Kornia enables a unified vision workflow where data augmentation, geometric reasoning, feature matching, and learning remain differentiable and GPU-friendly within a single framework. By combining LoFTR matching, RANSAC-based homography estimation, and optimization-driven alignment with a practical training loop, we showed how classical vision and deep learning complement each other rather than compete. It serves as a foundation for extending toward production-grade stitching, robust pose estimation, or large-scale training pipelines, and we emphasize that the same patterns we used here scale naturally to more complex, real-world vision systems.<\/p>\n
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The post A Coding Deep Dive into Differentiable Computer Vision with Kornia Using Geometry Optimization, LoFTR Matching, and GPU Augmentations<\/a> appeared first on MarkTechPost<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"
We implement an advanced, end-…<\/p>\n","protected":false},"author":1,"featured_media":29,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=\/wp\/v2\/posts\/336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=336"}],"version-history":[{"count":0,"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=\/wp\/v2\/posts\/336\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=\/wp\/v2\/media\/29"}],"wp:attachment":[{"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/connectword.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}