Introduction: Fractures of the humeral pallet occur between the distal insertion of the anterior brachial muscle and the joint space of the elbow. It represents 2% of all elbow fractures. These lower humeral fractures...Introduction: Fractures of the humeral pallet occur between the distal insertion of the anterior brachial muscle and the joint space of the elbow. It represents 2% of all elbow fractures. These lower humeral fractures present a therapeutic challenge to trauma. These fractures are in the majority of joint cases and can be accompanied by loss of substance, which makes their functional prognosis random despite the application of the main therapeutic principles: exact reduction with possible bone graft;stable osteosynthesis, usually allowing early rehabilitation. This work focused on identifying therapeutic aspects and assessing treatment outcomes. Material and Methods: This was a descriptive cross-sectional study of patients with a fracture of the humeral palette from January 2015 to December 2019 at the Orthopaedic Trauma Department CHU Gabriel Touré Bamako. Results: We collected 35 cases of fractures of the humeral palette. The average age was 39.25 years with extremes of 22 and 74 years. The male gender predominated (71.4%) with a sex ratio of 2.5. Etiologies were dominated by falls with 19 cases (54.3%) and stroke with 13 cases (37.1%). The standard X-ray of the face and profile of the elbow was performed in all our patients. The most frequent types of anatomoradiology were supra condylar fractures type A in 16 cases (45.7%), supra and inter condylar fractures type C in 15 cases (42.9%);4 cases of uni condylar fractures type B (11.4%). Associated lesions were observed in 42.85%. Surgical treatment was performed in 80% of cases. Complications were dominated by elbow stiffness in 18 cases (51.42%), secondary displacement in 5 cases (14.28%), ossifications in 4 cases (11.42%). At an average decrease of 3.2 years our results were considered good in 45.7%. Conclusion: Fractures of the humeral palette are relatively common with associated lesions. The complexity of the fracture with associated lesions makes treatment difficult with unpredictable evolution.展开更多
After pointing out the weakness of the known palette-based image information hiding by palette matrix, a new spacial effective robust information hiding algorithm is proposed, which can resist the operation of ‘selec...After pointing out the weakness of the known palette-based image information hiding by palette matrix, a new spacial effective robust information hiding algorithm is proposed, which can resist the operation of ‘select all’, ‘copy’, ‘paste’ from cover to original, and can resist gently modification the palette matrix, and can resist the image format changed between true color image and palette-based image. The hiding capacity can reach 25% of the number of pixel index matrix. Due to the advisement of information hiding security an update algorithm is proposed at the end of the paper, with the capacity reduced and vision effect increased.展开更多
The use of Infrared Thermal Scanners proved to be very useful in lots of applications. Using different color palettes, temperatures can be well-represented in the resulting image. However, most color palettes in hot t...The use of Infrared Thermal Scanners proved to be very useful in lots of applications. Using different color palettes, temperatures can be well-represented in the resulting image. However, most color palettes in hot tropical places like the Philippines are unsuitable since the ambient temperature is almost the same as the scanned object or person. This study evaluates twelve (12) known and used color palettes in the market to determine the most suitable for tropical places using the edge/border tracing algorithms Sobel-Feldman and Laplacian. The result shows that color palettes with the most colors produce more noise, making it difficult to distinguish the object scanned from the background. On the other hand, color palettes with three or fewer contrasting colors produce crisp and more detailed results. This study helps developers and researchers efficiently use color combinations suitable for hot weather for an effective thermal scanning and image representation.展开更多
文摘Introduction: Fractures of the humeral pallet occur between the distal insertion of the anterior brachial muscle and the joint space of the elbow. It represents 2% of all elbow fractures. These lower humeral fractures present a therapeutic challenge to trauma. These fractures are in the majority of joint cases and can be accompanied by loss of substance, which makes their functional prognosis random despite the application of the main therapeutic principles: exact reduction with possible bone graft;stable osteosynthesis, usually allowing early rehabilitation. This work focused on identifying therapeutic aspects and assessing treatment outcomes. Material and Methods: This was a descriptive cross-sectional study of patients with a fracture of the humeral palette from January 2015 to December 2019 at the Orthopaedic Trauma Department CHU Gabriel Touré Bamako. Results: We collected 35 cases of fractures of the humeral palette. The average age was 39.25 years with extremes of 22 and 74 years. The male gender predominated (71.4%) with a sex ratio of 2.5. Etiologies were dominated by falls with 19 cases (54.3%) and stroke with 13 cases (37.1%). The standard X-ray of the face and profile of the elbow was performed in all our patients. The most frequent types of anatomoradiology were supra condylar fractures type A in 16 cases (45.7%), supra and inter condylar fractures type C in 15 cases (42.9%);4 cases of uni condylar fractures type B (11.4%). Associated lesions were observed in 42.85%. Surgical treatment was performed in 80% of cases. Complications were dominated by elbow stiffness in 18 cases (51.42%), secondary displacement in 5 cases (14.28%), ossifications in 4 cases (11.42%). At an average decrease of 3.2 years our results were considered good in 45.7%. Conclusion: Fractures of the humeral palette are relatively common with associated lesions. The complexity of the fracture with associated lesions makes treatment difficult with unpredictable evolution.
基金This work is supported by National"973"Project of China (No.G1999035804).
文摘After pointing out the weakness of the known palette-based image information hiding by palette matrix, a new spacial effective robust information hiding algorithm is proposed, which can resist the operation of ‘select all’, ‘copy’, ‘paste’ from cover to original, and can resist gently modification the palette matrix, and can resist the image format changed between true color image and palette-based image. The hiding capacity can reach 25% of the number of pixel index matrix. Due to the advisement of information hiding security an update algorithm is proposed at the end of the paper, with the capacity reduced and vision effect increased.
文摘The use of Infrared Thermal Scanners proved to be very useful in lots of applications. Using different color palettes, temperatures can be well-represented in the resulting image. However, most color palettes in hot tropical places like the Philippines are unsuitable since the ambient temperature is almost the same as the scanned object or person. This study evaluates twelve (12) known and used color palettes in the market to determine the most suitable for tropical places using the edge/border tracing algorithms Sobel-Feldman and Laplacian. The result shows that color palettes with the most colors produce more noise, making it difficult to distinguish the object scanned from the background. On the other hand, color palettes with three or fewer contrasting colors produce crisp and more detailed results. This study helps developers and researchers efficiently use color combinations suitable for hot weather for an effective thermal scanning and image representation.
