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Evaluating the role of environmental advertising on the use of eye movements towards the brand
Published 2025-02-01“…Eye tracking: Eye tracking in advertising means measuring and calculating the point at which the human eye is staring, and in other words, the scientific study of eye movements and activities in two-way interaction with the surrounding environment is called tracking (Kimasi et al., 2019). …”
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42
Carrier-independent deep optical watermarking algorithm
Published 2022-08-01“….), so that the carrier carries the identification information but does not affect the normal use of the carrier.The common digital watermark embedding scheme is to embed the watermark information by modifying the carrier via specific algorithms.In the actual application scenarios, there are many images or objects to be protected (such as art paintings, etc.) that are not allowed to be modified.Based on this background, a new carrier-independent deep optical watermarking algorithm was proposed, which can realize watermark information embedding without modifying the original carrier and achieve the purpose of copyright protection.Specifically, a new watermark template expression scheme at the embedding end was proposed, which expressed the watermark information by visible light modulation.By analyzing the visual system of human eyes, a watermark template pattern based on alternating projection was proposed to embed the watermark information, which made the embedding process neither require modification of the original carrier nor affect the visual senses of human eyes.At the extraction end, a watermark extraction network based on residual connection was designed, and the captured watermarked images were fed into this network after perspective transformation to extract the watermark information.The experiments were conducted under various conditions and comparisons with three baseline algorithms were made.The experimental results show that the proposed algorithm generates watermarked images with less visual distortion and is robust to the "projecting-shooting" process.The watermark extraction network has high accuracy in extracting watermark information at different distances, angles and illumination conditions, and has certain advantages over other general networks.…”
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43
Design and Construction on A simple Magnifying Glass Using Recycled Bottles.
Published 2023“…Human eyes have limitations of visibility because not all objects in focus give brighter and sharper images needed to access quality. …”
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44
Image saliency detection in wavelet domain based on the contrast sensitivity function
Published 2015-10-01“…A method of high definition saliency detection based on contrast sensitive function and wavelet analysis was proposed in order to improve the resolution of saliency maps.Original image was filtered by contrast sensitive function in YCbCr space,which could simulate the contrast of human eyes; then wavelet decomposition was carried out in Y,Cb,and Cr three channels individually,low frequency and high frequency feature saliency maps were extracted and further combined to obtain saliency map in single channel; finally saliency maps in three channels were fused to the high resolution saliency map.Experiments result show that the saliency images have high resolution,well-defined boundaries,and whole highlight salient objects.…”
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45
Quality assessment of synthetic viewpoint stereo image with multi-feature fusion
Published 2019-05-01“…A multi-feature fusion method was proposed,the features of the distortion areas,the distortion edges and the singular value were fused.Firstly,the distortion areas corresponding to the human eyes were obtained by using the parallax and the threshold,and then the average structural similarity in these areas was calculated.Secondly,the distorted edges in the synthetic viewpoint edge image were extracted,and then the average structural similarity was calculated.Thirdly,the difference between the original image and the distorted image singular value was calculated.Finally,the three features were fused to obtain the final objective quality score.The experiment was carried out on the synthetic viewpoint stereo image library.The experimental results show that the Pearson linear correlation coefficient and the Spearman correlation coefficient are both higher than 0.86.Compared with the existing assessment methods,it can better reflect the quality of synthetic viewpoint stereo images.…”
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46
Weld Inspection Based on Radiography Image Segmentation with Level Set Active Contour Guided Off-Center Saliency Map
Published 2015-01-01“…The aim behind using salient feature is that a small defect can frequently attract attention of human eyes which permits enhancing defects in low contrasted image. …”
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47
Multichannel Saliency Detection Based on Visual Bionics
Published 2020-01-01“…Inspired by the visual properties of the human eyes, the depth information of visual attention is integrated into the saliency detection to effectively solve problems such as low accuracy and poor stability under similar or complex background interference. …”
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48
Attendance of Patients with ophthalmological problems about Eye Protection from UV/blue Light Radiation from Sun light and Electronic Devices in Sulaimani City
Published 2018-07-01“…Furthermore, only the patients with sun light sensitivity and cataract had a significant knowledge about harmful effects of radiation from electronic devices on human eyes. Finally, most of the patients with dry eyes, eye/lid infection and glaucoma and cataract had significantly more practices for taking visual breaks when using electronic devices. …”
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49
Application of Discrete Mathematical Model in Edge Distortion Correction of Moving Image
Published 2022-01-01“…The experimental results show that the astringency of the experimental scattergram is obviously improved, the fitting line is almost a straight line, and it has good recognition of the jump of the gray level of noise points, which can meet the requirements of the consistency of the subjective vision of human eyes.…”
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50
Accurate Recognition of Motion Patterns Based on Artificial Visual Neural Network
Published 2022-01-01“…Moreover, this paper discusses the psychological perception properties of human eyes to color stimuli and gives a description of the observation field of view where the color stimuli are located. …”
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51
HEVC perceptual intra-frame rate control inspired by video subjective observation experiment
Published 2021-08-01“…In view of the low perceptual rate-distortion performance of the rate control method used in high efficiency video coding (HEVC), an intra-frame rate control algorithm to effectively improve the perceptual rate-distortion performance of video was proposed.First, the spatiotemporal complexity of videos was measured, and the video subjective observation experiment was designed combined with the spatiotemporal complexity.Secondly, based on the experimental results of video subjective observation, combined with the relevant human vision system perception characteristics, the spatiotemporal perceptual sensitivity factors of video content which could effectively measure the perception difference of human eyes for different regions of video were constructed.Finally, the spatiotemporal perceptual sensitivity factors were applied to the target bit allocation of the largest coding unit layer in the intra-frame image, then the perceptual intra-frame rate control was realized.Experimental results show that the proposed algorithm is superior to the rate control algorithm adopted by HEVC in terms of the bit estimation accuracy and the perceptual rate-distortion performance.…”
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52
Structural, Physicochemical, and Functional Properties of Electrolyzed Cassava Starch
Published 2019-01-01“…The whiteness of modified starches proportionally increased based on the NaCl concentration and human eyes could recognize the difference of color. …”
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53
Research on the Method of Detecting the Spreading Rate of the Simultaneous Crushed Stone Sealing Layer Based on Machine Vision
Published 2022-01-01“…The traditional method to measure the gravel coverage rate usually depends on observation by human eyes, which is rough and inefficient. In this paper, a detection method of gravel coverage based on improved wavelet algorithm is proposed. …”
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Study on the Influence of LED Spectrum on the Visual and Nonvisual Effects in the Interior Zone of Tunnels
Published 2021-01-01“…According to the difference of human eyes’ response to the visual and nonvisual biological effects of different wavelengths of light radiation, a method of applying the mesopic visual spectral luminous efficiency curve to the assessment of nonvisual biological effects and blue light hazards is proposed. …”
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Research on Density Peak Clustering Color-Separation Algorithm Based on SOM Neural Network
Published 2025-01-01“…To solve these problems, In this paper, we propose a density peak clustering color-separation algorithm based on self-organizing mapping (SOM) neural network, which firstly uses enhanced super-resolution generative adversarial network (Real-ESRGAN) blind super-resolution reconstruction network to clarify the degraded image and obtain a high-resolution image with clear boundaries; secondly, we carry out the initial clustering through the SOM neural network to simplify the image information; and then we use an improved density peak clustering (DPC) algorithm to calculate clustering centers under the conditions of conforming to the perception of human eyes, and carry out secondary clustering on the image; finally, carry out image post-processing through the variegated spots merging algorithm based on the connected component analysis. …”
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56
A Campus Landscape Visual Evaluation Method Integrating PixScape and UAV Remote Sensing Images
Published 2025-01-01“…The results indicate that the tangent method considers the visual impact of the vertical amplitude and the distance between landscape and viewpoints, which is more in line with the real visual perception of the human eyes. In addition, objective quantitative evaluation metrics based on visibility modeling can reflect the visual differences of landscapes from different viewpoints and have good applicability in campus landscape visual evaluation. …”
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Research on Safe Driving Evaluation Method Based on Machine Vision and Long Short-Term Memory Network
Published 2021-01-01“…Based on the presence of interference signals such as spatiotemporal background mixed signals in the driving monitoring video sequence, the recognition accuracy of small targets such as human eyes is low. In this paper, an improved dual-stream convolutional network is proposed to recognize the safe driving behavior. …”
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3D ophthalmic ultrasonography at the slit lamp using existing ultrasound systems.
Published 2025-01-01“…<h4>Results</h4>The system successfully acquired 3D volume scans of phantoms and live human eyes, demonstrating the system's potential for detailed ocular imaging. …”
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Reversible data hiding scheme based on enhanced image smoothness
Published 2022-06-01“…With the prosperity of Internet technology and the popularity of social networks, reversible data hiding technology has been widely adopted in concealed information transmission of medical and military fields with its advantages on secret information recovery.Traditional reversible data hiding schemes mainly focus on the enhancement of embedding capacity and the reduction of the distortion rate of stego image, but pay less attention to the understanding of image details with the human eyes.Thus, it is difficult to resist hidden information detection methods.To solve the above challenge, a reversible data hiding algorithm was proposed, which ensured the visual quality of the stego image in the process of data hiding through the image visual smoothness enhancement.Specifically, the original image was divided into reference area and non-reference area.The secret data was embedded through the translation of the difference, which was calculated according to the predicted pixel value and the original pixel value of the non-reference area.To guarantee the visual quality of the image, smoothing mechanism was constructed, in which a Gaussian filter was utilized as a template to filter the predicted value and to add the filter difference into the cover image without loss.The pixel value of the reference region was used as edge information for lossless restoration of the original image.The filtering coefficient in Gaussian function was exploited as the embedded key to ensure the security of secret information.Simulation results regarding a large number of classical image data sets illustrated that the visual smoothness of stego image processed by this scheme was effectively enhanced with lower distortion rate, higher embedding rate, and higher embedding and extraction efficiency.In a typical circumstance, the similarity between the generated stego image and the Gaussian filter image can reach 0.9963.The PSNR and the embedded capacity can be up to 37.346 and 0.3289 BPP, respectively.…”
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ASD-YOLO: a lightweight network for coffee fruit ripening detection in complex scenarios
Published 2025-02-01“…At present, how to judge the maturity of coffee fruit mainly depends on the visual inspection of human eyes, which is both time-consuming and labor-intensive. …”
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