CA2162276C - Methode de traitement numerique de l'intensite au niveau des pixels pour ameliorer la qualite des images - Google Patents
Methode de traitement numerique de l'intensite au niveau des pixels pour ameliorer la qualite des images Download PDFInfo
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- CA2162276C CA2162276C CA002162276A CA2162276A CA2162276C CA 2162276 C CA2162276 C CA 2162276C CA 002162276 A CA002162276 A CA 002162276A CA 2162276 A CA2162276 A CA 2162276A CA 2162276 C CA2162276 C CA 2162276C
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- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Analysis (AREA)
Abstract
Le lissage de deux images selon des coefficients de lissage différents permet d'obtenir par soustraction les différences d'imagerie entre les données les moins lissées et les plus lissées. Selon cette invention, la technique de lissage inclut un filtre numérique d'hystérésis bidimensionnelle utilisant un "masque bidimensionnel de variables à réinitialisation automatique". Le filtre est donc indépendant de la taille d'image et de son contenu, et il ne peut pas modifier le dimensionnement de caractéristiques d'intensité significatives. Pour calculer la valeur de l'intensité du pixel lissé, le procédé de lissage par hystérésis bidimensionnelle utilise un ensemble de lignes d'hystérésis unidimensionnelles de pentes différentes, et coupant chaque pixel d'une image. Pour obtenir la valeur résultante concernant le pixel, le procédé totalise ces valeurs d'hystérésis unidimensionnelle et à les divise par le nombre de lignes d'hystérésis. Cette technique de traitement de l'intensité permet la séparation des informations contenues dans une image en groupes d'informations de base.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/207,488 US5563962A (en) | 1994-03-08 | 1994-03-08 | Two dimensional digital hysteresis filter for smoothing digital images |
| US08/207,489 US5592571A (en) | 1994-03-08 | 1994-03-08 | Digital pixel-accurate intensity processing method for image information enhancement |
| US08/207,488 | 1994-03-08 | ||
| US08/207,489 | 1994-03-08 | ||
| PCT/US1995/002962 WO1995024694A1 (fr) | 1994-03-08 | 1995-03-08 | Procede de traitement numerique de l'intensite pixel par pixel ameliorant la lisibilite des informations d'imagerie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2162276A1 CA2162276A1 (fr) | 1995-09-14 |
| CA2162276C true CA2162276C (fr) | 2005-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002162276A Expired - Lifetime CA2162276C (fr) | 1994-03-08 | 1995-03-08 | Methode de traitement numerique de l'intensite au niveau des pixels pour ameliorer la qualite des images |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2162276C (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11527005B2 (en) * | 2019-07-22 | 2022-12-13 | Samsung Electronics Co., Ltd. | Video depth estimation based on temporal attention |
| CN115005846B (zh) * | 2022-08-08 | 2022-10-11 | 江苏盛恩祥生物技术有限公司 | 适用于血管显影的数据处理方法及装置 |
| CN116051420B (zh) * | 2023-02-17 | 2025-12-02 | 苏州欧谱曼迪科技有限公司 | 一种医疗图像色彩增强的方法 |
| CN119205629A (zh) * | 2024-08-21 | 2024-12-27 | 广州奥科生物医学科技有限公司 | 基于ai的cba荧光免疫判断方法、系统及存储介质 |
-
1995
- 1995-03-08 CA CA002162276A patent/CA2162276C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2162276A1 (fr) | 1995-09-14 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDC | Discontinued application reinstated | ||
| MKEX | Expiry |
Effective date: 20150309 |