Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 35 references without a DOI — listed, not checked
no DOI — not checkedAbmayr W (1994) Einführung in die digitale Bildverarbeitung. Teubner, Stuttgart
no DOI — not checkedAubele M, Auer G, Jütting U, Falkmer U, Gais P (1994) Prognostic value of quantitatively measured AgNORs in ductal mammary carcinoma. Anal Quant Cytol Histol 16:211?218
no DOI — not checkedBeucher S, Lantejoul C (1979) Use of watersheds in contour detection. Proceedings of the international workshop on image processing. CCETT, Rennes (France)
no DOI — not checkedBins M, Poppema S (1986) Tetraploidy of centroblasts in lymphomas demonstrated in thin tissue sections. In: Mary JV, Rigaut JP (eds) Quantitative image analysis in cancer cytology and histology. Elsevier Science Publishers (Biomedical Division). Amsterdam, pp 321?323
no DOI — not checkedBöcking A, Giroud F, Reith A (1995) Consensus report of the ESACP task force on standardisation of diagostic DNA image cytometry. Anal Cell Pathol 8:67?74
no DOI — not checkedBright DS, Steel EB (1986) Bright-field image correction with various image-processing tools. In: Romig AD, Chambers WF (eds). Microbeam analysis 1986. San Francisco Press, San Francisco, pp 517?520
no DOI — not checkedChen MH, Wu MY (1992) Morphometric study on AgNORs of esophageal squamous cell carcinoma and paraneoplastic epithelial cells. Acta Stereol 11:205?209
no DOI — not checkedChristen H, Oberholzer M, Buser M, Lötscher R, Gschwind R, Rösel F, Ettlin R, Feess A, Dalquen P (1989) Digital image analysis in cytological diagnosis: a morphometric analysis on plenural mesotheliomas. Anal Cell Pathol 1:105?122
no DOI — not checkedCoster M, Chermant JL (1985) Précis d'analyse d'images. Editions du Centre National de la Recherche scientifique. Paris
no DOI — not checkedErler BS, Marchevsky AM (1994) Microphotometry in pathology In: Marchevsky AM, Bartels PH (eds) Image analysis. A primer for pathologists. Raven Press, New York, pp 181?206
no DOI — not checkedGarbay C, Chassery JM, Brugal G (1986) An iterative region-growing process for cell image segmentation based on local color similarity and global shape criteria. Anal Quant Cytol Histol 8:25?34
no DOI — not checkedGonzales R, Wintz P (1987) Digital image processing. Addison-Wesley Publishing Reading
no DOI — not checkedHaberäcker P (1989) Digitale Bildverarbeitung. Grundlagen und Anwendungen. Carl Hanser, Munich Wien
no DOI — not checkedHaralick RM, Shanmugam K, Dinstein I (1973) Textural features for image classification. IEEE Trans Syst 3:610?621
no DOI — not checkedHaroske G, Meyer W, Dimmer V, Kunze KD, Theissig F (1993) Feasibility and limitations of a cytometric DNA ploidy analysis procedure in tissue sections. Zentralbl Pathol 139:407?417
no DOI — not checkedHu MK (1962) Visual pattern recognition by moment invariants. IRE Trans Inf Theory 8:179?187
no DOI — not checkedHurst HE, Black RP, Simaika YM (1965) Long term storage: an experimental study. Constable, London
no DOI — not checkedJulis I, Mikes J (1992) True colour image analysis and histopathology. Eur Microsc Anal 19:1?13
no DOI — not checkedKindermann D, Hilgers CH (1994) Glare-correction in DNA image cytometry. Anal Cell Pathol 6:165?180
no DOI — not checkedLefkovits M (1993) Differenzierung von dysplastischen Kolonadenomen mittels statischer Morphometric. Inaugural dissertation, Medical Faculty, University of Basel
no DOI — not checkedMacAulay C, Tezcan H, Palcic B (1989) Adaptive color basis transformation. Anal Quant Cytol Histol 11:53?58
no DOI — not checkedMoldenhauer JH (1993) Die prognostiche Bedeutung bildanalytischer Kernparameter von Prostatakarzinomen. Inaugural dissertation, Medical Faculty, University of Basel
no DOI — not checkedPauli C (1993) Morphometrische Untersuchungen an Lungenmakrophagen bei Patienen mit chronischer Bronchitis, AIDS und Karzinomen in der Lunge. Inaugural dissertation, Medical Faculty, University of Basel
no DOI — not checkedPavlidis LD, Heath JP (1980) Reconstruction from stereo and multiple electron microscopy images of thick sections of embedded biological specimens using computer graphics methods. J Microsc 153:193?204
no DOI — not checkedReeves AA (1990) Optimized fast Hartley transform for the MC68000 with applications in image processing. Thesis, Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire
no DOI — not checkedRosenfeld A, Kak AC (1982) Digital image processing. Academic Press New York
no DOI — not checkedRüschoff J, Bittinger A, Gogolok A, Von Keitz A, Ulshöfer B (1992) Quantitation of AgNORs in urothelial cancer ? evaluation of diagnostic parameters in histology and cytology. Acta Stereol 11:109?117
no DOI — not checkedRuss JC (1990) Processing images with a local Hurst operator to reveal texture differences. J Comput Assist Microsc 4:249?257
no DOI — not checkedRuss JC (1992) The image processing handbook. CRC Press, Boca Raton
no DOI — not checkedRuss JC, Russ JC (1988) Improved implementation of a convex segmentation algorithm. Acta Stereol 7:33?40
no DOI — not checkedSchacter BJ, Davis LS, Rosenfeld A (1976) Scene segmentation by cluster detection in color spaces. SIGART Newslett 58:16?17
no DOI — not checkedSerra J (1982) Image analysis and mathematical morphology. Academic Press, London
no DOI — not checkedSouchier C (1992) Stepwise discriminant analysis: an aid for color image segmentation. Acta Stereol 11:191?197
no DOI — not checkedWeibel ER (1979) Stereological methods. I. Practical methods for biological morphometry. Academic Press, London
no DOI — not checkedWeinberg DS (1994) Quantitative immunocytochemistry in pathology. In: Marchevsky AM, Bartels PH (eds) Image analysis. A primer for pathologists. Raven Press, New York, pp 235?260
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