Update README.md

README.md

@@ -28,7 +28,7 @@ At clothing production sites, various types of sewing defects are a common occur
 - Defective classes (total 10 types): **1. Skipped stitch, 2. Broken stitch, 3. Pinched fabric, 4. Crooked seam, 5. Thread sagging, 6. Puckering, 7. Stain and damage, 8. Needle mark, 9. Bobbin thread pulling up, 10. Overlapped stitch**
 
 ### Sample images (total 114 images)
-<img src="images/dataset-samples.png" height="400"/>
+<img src="images/dataset-samples.png" height="400px">
 
 ### Code example
 We provide a reference benchmark Python codes in the [code-example folder](./code-example/) to help researchers quickly get started with StitchingNet.
@@ -48,4 +48,4 @@ The StitchingNet is licensed under [CC BY-NC 4.0](https://creativecommons.org/li
 ## Contact
 Please email Woo-Kyun Jung (wkjung@hojeon.co.kr, creator) or Hyungjung Kim (hyungjungkim@konkuk.ac.kr, maintainer) for any questions regarding the dataset.
 
-<img src="images/hojeon_limited.jpg" height="45"/>     <img src="images/konkuk_university.png" height="45"/>
+<img src="images/hojeon_limited.jpg" height="45px">     <img src="images/konkuk_university.png" height="45px">