5 research outputs found

    Impulse Noise Removal Using Soft-computing

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    Image restoration has become a powerful domain now a days. In numerous real life applications Image restoration is important field because where image quality matters it existed like astronomical imaging, defense application, medical imaging and security systems. In real life applications normally image quality disturbed due to image acquisition problems like satellite system images cannot get statically as source and object both moving so noise occurring. Image restoration process involves to deal with that corrupted image. Degradation model used to train filtering techniques for both detection and removal of noise phase. This degeneration is usually the result of excess scar or noise. Standard impulse noise injection techniques are used for standard images. Early noise removal techniques perform better for simple kind of noise but have some deficiencies somewhere in sense of detection or removal process, so our focus is on soft computing techniques non classic algorithmic approach and using (ANN) artificial neural networks. These Fuzzy rules-based techniques performs better than traditional filtering techniques in sense of edge preservation

    New method for detecting and removing random-valued impulse noise from images

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    Π’ Ρ€Π°Π±ΠΎΡ‚Π΅ ΠΏΡ€Π΅Π΄Π»ΠΎΠΆΠ΅Π½ ΠΌΠ΅Ρ‚ΠΎΠ΄ дСтСктирования ΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΡƒΡŽΡ‰Π΅Π³ΠΎ устранСния ΠΈΠΌΠΏΡƒΠ»ΡŒΡΠ½ΠΎΠ³ΠΎ ΡˆΡƒΠΌΠ° Π½Π° изобраТСниях, Π² ΠΊΠΎΡ‚ΠΎΡ€ΠΎΠΌ вводится понятиС сходства ΠΌΠ΅ΠΆΠ΄Ρƒ пиксСлями ΠΊΠ°ΠΊ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ расстояния ΠΈ Ρ€Π°Π·Π½ΠΈΡ†Ρ‹ Π² значСниях яркости Π² локальном ΠΎΠΊΠ½Π΅ Π΄Π΅Ρ‚Π΅ΠΊΡ‚ΠΎΡ€Π°. РассматриваСтся модСль ΠΈΠΌΠΏΡƒΠ»ΡŒΡΠ½ΠΎΠ³ΠΎ ΡˆΡƒΠΌΠ°, Π² ΠΊΠΎΡ‚ΠΎΡ€ΠΎΠΉ искаТСнныС пиксСли ΠΏΡ€ΠΈΠ½ΠΈΠΌΠ°ΡŽΡ‚ случайныС значСния, Π° Ρ‚Π°ΠΊΠΆΠ΅ случайным ΠΎΠ±Ρ€Π°Π·ΠΎΠΌ Π²ΠΎΠ·Π½ΠΈΠΊΠ°ΡŽΡ‚ Π½Π° ΠΈΠ·ΠΎΠ±Ρ€Π°ΠΆΠ΅Π½ΠΈΠΈ. ПиксСли, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ Π±Ρ‹Π»ΠΈ ΠΎΡ‚ΠΌΠ΅Ρ‡Π΅Π½Ρ‹ ΠΊΠ°ΠΊ искаТСнныС ΠΈΠΌΠΏΡƒΠ»ΡŒΡΠ½Ρ‹ΠΌ ΡˆΡƒΠΌΠΎΠΌ, Π²ΠΎΡΡΡ‚Π°Π½Π°Π²Π»ΠΈΠ²Π°ΡŽΡ‚ΡΡ Π°Π΄Π°ΠΏΡ‚ΠΈΠ²Π½Ρ‹ΠΌ ΠΌΠ΅Π΄ΠΈΠ°Π½Π½Ρ‹ΠΌ Ρ„ΠΈΠ»ΡŒΡ‚Ρ€ΠΎΠΌ. Π˜ΠΌΠΏΡƒΠ»ΡŒΡΠ½Ρ‹Π΅ искаТСния Π΄Π΅Ρ‚Π΅ΠΊΡ‚ΠΈΡ€ΡƒΡŽΡ‚ΡΡ Π² ΠΎΠΊΠ½Π΅ Π΄Π΅Ρ‚Π΅ΠΊΡ‚ΠΎΡ€Π°, Ρ€Π°Π·ΠΌΠ΅Ρ€ ΠΊΠΎΡ‚ΠΎΡ€ΠΎΠ³ΠΎ рассчитан ΠΏΠΎ Π΅Π²ΠΊΠ»ΠΈΠ΄ΠΎΠ²ΠΎΠΉ ΠΌΠ΅Ρ‚Ρ€ΠΈΠΊΠ΅ ΠΈ увСличиваСтся с ростом интСнсивности ΡˆΡƒΠΌΠ° Π½Π° ΠΈΠ·ΠΎΠ±Ρ€Π°ΠΆΠ΅Π½ΠΈΠΈ. Π’ ΡΠΊΡΠΏΠ΅Ρ€ΠΈΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½ΠΎΠΉ части прСдставлСно сравнСниС ΠΌΠ΅ΠΆΠ΄Ρƒ извСстными ΠΈ ΠΏΡ€Π΅Π΄Π»Π°Π³Π°Π΅ΠΌΡ‹ΠΌ ΠΌΠ΅Ρ‚ΠΎΠ΄Π°ΠΌΠΈ Π½Π° Ρ‚Ρ€Ρ‘Ρ… изобраТСниях для Ρ‚Ρ€Π΅Ρ… Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… интСнсивностСй ΠΈΠΌΠΏΡƒΠ»ΡŒΡΠ½ΠΎΠ³ΠΎ ΡˆΡƒΠΌΠ°. Π’ ΠΏΡ€ΠΈΠ±Π»ΠΈΠΆΠ΅Π½ΠΈΠΈ Π½Π° Ρ„Ρ€Π°Π³ΠΌΠ΅Π½Ρ‚Π°Ρ… ΠΈΠ·ΠΎΠ±Ρ€Π°ΠΆΠ΅Π½ΠΈΠΉ Π²ΠΈΠ΄Π½ΠΎ, Ρ‡Ρ‚ΠΎ ΠΏΡ€Π΅Π΄Π»Π°Π³Π°Π΅ΠΌΡ‹ΠΉ ΠΌΠ΅Ρ‚ΠΎΠ΄ Π½Π°ΠΈΠ»ΡƒΡ‡ΡˆΠΈΠΌ ΠΎΠ±Ρ€Π°Π·ΠΎΠΌ справляСтся с Π·Π°Π΄Π°Ρ‡Π΅ΠΉ, Ρ‡Ρ‚ΠΎ Π±Ρ‹Π»ΠΎ Ρ‚Π°ΠΊΠΆΠ΅ ΠΏΠΎΠ΄Ρ‚Π²Π΅Ρ€ΠΆΠ΄Π΅Π½ΠΎ числСнными ΠΎΡ†Π΅Π½ΠΊΠ°ΠΌΠΈ качСства Ρ„ΠΈΠ»ΡŒΡ‚Ρ€Π°Ρ†ΠΈΠΈ ΠΈΠΌΠΏΡƒΠ»ΡŒΡΠ½ΠΎΠ³ΠΎ ΡˆΡƒΠΌΠ° Π½Π° ΠΈΠ·ΠΎΠ±Ρ€Π°ΠΆΠ΅Π½ΠΈΠΈ Π½Π° основС ΠΏΠΈΠΊΠΎΠ²ΠΎΠ³ΠΎ ΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ сигнала ΠΊ ΡˆΡƒΠΌΡƒ ΠΈ индСкса структурного сходства. ΠŸΡ€Π΅Π΄Π»Π°Π³Π°Π΅ΠΌΡ‹ΠΉ ΠΌΠ΅Ρ‚ΠΎΠ΄ ΠΌΠΎΠΆΠ΅Ρ‚ Π½Π°ΠΉΡ‚ΠΈ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ Π² Π·Π°Π΄Π°Ρ‡Π°Ρ… очистки ΠΈΠ·ΠΎΠ±Ρ€Π°ΠΆΠ΅Π½ΠΈΠΉ Π² условиях ΠΈΡΠΊΠ°ΠΆΠ°ΡŽΡ‰Π΅Π³ΠΎ ΠΈΠΌΠΏΡƒΠ»ΡŒΡΠ½ΠΎΠ³ΠΎ воздСйствия ΠΈ для устранСния искаТСний ΠΎΡ‚ нСблагоприятных ΠΏΠΎΠ³ΠΎΠ΄Π½Ρ‹Ρ… эффСктов, Ρ‚Π°ΠΊΠΈΡ… ΠΊΠ°ΠΊ ΠΊΠ°ΠΏΠ»ΠΈ доТдя ΠΈ снСг.Авторы Π²Ρ‹Ρ€Π°ΠΆΠ°ΡŽΡ‚ Π±Π»Π°Π³ΠΎΠ΄Π°Ρ€Π½ΠΎΡΡ‚ΡŒ БКЀУ Π·Π° ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΡƒ Π² Ρ€Π°ΠΌΠΊΠ°Ρ… ΠΏΡ€ΠΎΠ΅ΠΊΡ‚Π° ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΠΈ ΠΌΠ°Π»Ρ‹Ρ… Π½Π°ΡƒΡ‡Π½Ρ‹Ρ… Π³Ρ€ΡƒΠΏΠΏ ΠΈ ΠΎΡ‚Π΄Π΅Π»ΡŒΠ½Ρ‹Ρ… ΡƒΡ‡Π΅Π½Ρ‹Ρ…. ИсслСдованиС Π² ΠΏΠ°Ρ€Π°Π³Ρ€Π°Ρ„Π°Ρ… 1 ΠΈ 2 ΠΏΡ€ΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΏΡ€ΠΈ ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΠ΅ Российского Π½Π°ΡƒΡ‡Π½ΠΎΠ³ΠΎ Ρ„ΠΎΠ½Π΄Π° (ΠΏΡ€ΠΎΠ΅ΠΊΡ‚ β„– 21-71-00017). ИсслСдованиС Π² ΠΏΠ°Ρ€Π°Π³Ρ€Π°Ρ„Π΅ 3 ΠΏΡ€ΠΎΠ²Π΅Π΄Π΅Π½ΠΎ Π² Π‘Π΅Π²Π΅Ρ€ΠΎ-Кавказском Ρ†Π΅Π½Ρ‚Ρ€Π΅ матСматичСских исслСдований Π² Ρ€Π°ΠΌΠΊΠ°Ρ… соглашСния с ΠœΠΈΠ½ΠΈΡΡ‚Π΅Ρ€ΡΡ‚Π²ΠΎΠΌ Π½Π°ΡƒΠΊΠΈ ΠΈ Π²Ρ‹ΡΡˆΠ΅Π³ΠΎ образования Российской Π€Π΅Π΄Π΅Ρ€Π°Ρ†ΠΈΠΈ (соглашСниС β„– 075-02-2022-892)

    Impulse Noise Removal Using Soft-computing

    Get PDF
    Image restoration has become a powerful domain now a days. In numerous real life applications Image restoration is important field because where image quality matters it existed like astronomical imaging, defense application, medical imaging and security systems. In real life applications normally image quality disturbed due to image acquisition problems like satellite system images cannot get statically as source and object both moving so noise occurring. Image restoration process involves to deal with that corrupted image. Degradation model used to train filtering techniques for both detection and removal of noise phase. This degeneration is usually the result of excess scar or noise. Standard impulse noise injection techniques are used for standard images. Early noise removal techniques perform better for simple kind of noise but have some deficiencies somewhere in sense of detection or removal process, so our focus is on soft computing techniques non classic algorithmic approach and using (ANN) artificial neural networks. These Fuzzy rules-based techniques performs better than traditional filtering techniques in sense of edge preservation

    Triple Threshold Statistical Detection filter for removing high density random-valued impulse noise in images

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    Abstract This study presents a novel noise detection algorithm which satisfactorily detects noisy pixels in images corrupted by random-valued impulse noise of high levels up to 80% noise density. Three levels of adaptive thresholds along with an auxiliary condition are used in this method which adequately addresses the drawbacks of existing methods, especially the miss detection of noise-free pixels as noisy pixels and vice versa. A noise signature is calculated for every pixel and compared with the first threshold to identify noise followed by the comparison of the central pixel with the second and third levels of thresholds. In addition to the standard deviation and mean, the concept of quartile has been used as another measure of dispersion. After detection, a fuzzy switching weighted median filter is applied to restore the corrupted image. The simulation results demonstrate that the proposed method is able to outperform the existing methods in both the detection and filtering of random-valued impulse noise in images
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